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You searched for: Publication year rev 7981-2019 Remove constraint Publication year rev: 7981-2019 Subject term cadmium sulfide Remove constraint Subject term: cadmium sulfide
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1. A CoP/CdS/WS₂ p–n–n tandem heterostructure: a novel photocatalyst for hydrogen evolution without using sacrificial agents

Author:
Yueyao Zhong; Yongzhong Wu; Bin Chang; Zizheng Ai; Kang Zhang; Yongliang Shao; Lei Zhang; Xiaopeng Hao
Source:
Journal of materials chemistry A 2019 v.7 no.24 pp. 14638-14645
ISSN:
2050-7496
Subject:
cadmium sulfide; electrons; energy conversion; hydrogen; hydrogen production; nanoparticles; nanosheets; photocatalysis; photocatalysts; photostability; pollutants; remediation
Abstract:
... In this work, a photocatalyst with a built-in p–n–n tandem heterostructure is designed and fabricated by combining CdS with n-type WS₂ nanosheets and p-type CoP nanoparticles. The p–n–n tandem heterostructure allows different favorable properties from each participating compound to be combined, prolonging the lifetimes of photogenerated electrons, providing surface redox sites and increasing the p ...
DOI:
10.1039/c9ta03721g

2. A biomimetic self-assembled cobaloxime@CdS/rGO hybrid for boosting photocatalytic H₂ production

Author:
Jun-Chao Hu; Shanshan Sun; Ming-De Li; Wu Xia; Jin Wu; Hongfang Liu; Feng Wang
Source:
Chemical communications 2019 v.55 no.96 pp. 14490-14493
ISSN:
1364-548X
Subject:
biomimetics; cadmium sulfide; catalysts; cobalt; electron transfer; graphene oxide; hydrogen production; photocatalysis
Abstract:
... A biomimetic CoPe@CdS/rGO hybrid that self-assembles via the integration of a molecular cobalt catalyst and CdS nano-semiconductor on reduced graphene oxide was constructed for boosting photocatalytic H₂ production. Photoinduced electron transfer from CdS/rGO to the molecular catalyst occurs and a long-lived charge-separation state forms for high H₂ production. ...
DOI:
10.1039/c9cc08512b

3. A label-free photoelectrochemical DNA biosensor using a quantum dot–dendrimer nanocomposite

Author:
Faten Divsar
Source:
Analytical and bioanalytical chemistry 2019 v.411 no.26 pp. 6867-6875
ISSN:
1618-2642
Subject:
DNA; ascorbic acid; biosensors; cadmium sulfide; dendrimers; detection limit; electric current; electrochemistry; electrodes; electron transfer; indium tin oxide; nanocomposites; nanogold; nucleic acid hybridization; nucleobases; photochemistry; quantum dots; silver; silver chloride
Abstract:
... A novel label-free photoelectrochemical biosensing method for highly sensitive and specific detection of DNA hybridization using a CdS quantum dot (QD)–dendrimer nanocomposite is presented. A molecular beacon (MB) was assembled on a gold-nanoparticle-modified indium tin oxide electrode surface. Hybridization to a complementary target DNA disrupts the stem–loop structure of the MB, which was afterw ...
DOI:
10.1007/s00216-019-02058-9

4. A novel n-type CdS nanorods/p-type LaFeO₃ heterojunction nanocomposite with enhanced visible-light photocatalytic performance

Author:
Akram-Alsadat Hoseini; Saeed Farhadi; Abedin Zabardasti; Firouzeh Siadatnasab
Source:
RSC advances 2019 v.9 no.42 pp. 24489-24504
ISSN:
2046-2069
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; cadmium sulfide; energy; energy-dispersive X-ray analysis; free radicals; hydrogen peroxide; hydroxyl radicals; irradiation; methyl orange; methylene blue; nanocomposites; nanoparticles; nanorods; photocatalysis; photocatalysts; photoluminescence; reflectance spectroscopy; rhodamines; scanning electron microscopy; semiconductors; surface area; synergism; transmission electron microscopy
Abstract:
... In this work, a novel n-type CdS nanorods/p-type LaFeO₃ (CdS NRs/LFO) nanocomposite was prepared, for the first time, via a facile solvothermal method. The as-prepared n-CdS NRs/p-LFO nanocomposite was characterized by using powder X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), high-resolution tr ...
DOI:
10.1039/c9ra04265b

5. A review on the improvement in performance of CdTe/CdS thin-film solar cells through optimization of structural parameters

Author:
Tarkeshwar Sinha; Devjyoti Lilhare; Ayush Khare
Source:
Journal of materials science 2019 v.54 no.19 pp. 12189-12205
ISSN:
0022-2461
Subject:
absorbance; cadmium; cadmium sulfide; chemical treatment; manufacturing; semiconductors; silicon; solar cells; wafers
Abstract:
... Cadmium telluride (CdTe)/Cadmium sulphide (CdS) thin-film solar cell is a potential candidate for the production of energy through photovoltaic (PV) technology, which reduces the manufacturing cost by replacing the expensive silicon wafers. Many studies have focused on the key attributes, such as wide direct band gap and high absorption coefficient, of these semiconductors (CdTe and CdS) that are ...
DOI:
10.1007/s10853-019-03651-0

6. A self-powered photoelectrochemical biosensor for H2O2, and xanthine oxidase activity based on enhanced chemiluminescence resonance energy transfer through slow light effect in inverse opal TiO2

Author:
Bekir Çakıroğlu; Mahmut Özacar
Source:
Biosensors & bioelectronics 2019 v.141 pp. 111385
ISSN:
0956-5663
Subject:
absorption; biosensors; cadmium sulfide; chemiluminescence; crystals; electric current; electrodes; energy transfer; enzyme activity; heme; hydrogen peroxide; irradiation; opal; photons; polystyrenes; quantum dots; surface area; titanium dioxide; xanthine oxidase
Abstract:
... TiO₂ inverse opal photonic crystals (IOPCs) were fabricated by using polystyrene template. TiO₂ IOPCs based photoelectrochemical (PEC) biosensor was fabricated for the precise and stable detection of Heme without external irradiation. Then, the sensitization of TiO₂ IOPCs was fulfilled with CdS quantum dots (QDs) by SILAR method to form ITO-TiO₂ IOPCs–CdS:Mn electrode, which in turn was used to co ...
DOI:
10.1016/j.bios.2019.111385

7. Anchoring Spinel MnCo₂S₄ on Carbon Nanotubes as Efficient Counter Electrodes for Quantum Dot Sensitized Solar Cells

Author:
Wenhua Li; Lei He; Jing Zhang; Bin Li; Qianqiao Chen; Qin Zhong
Source:
Journal of physical chemistry 2019 v.123 no.36 pp. 21866-21873
ISSN:
1932-7455
Subject:
cadmium sulfide; carbon nanotubes; catalytic activity; crosslinking; electrochemistry; electrodes; electrons; ion exchange; quantum dots; solar cells; synergism
Abstract:
... Ternary spinel MnCo₂S₄ was anchored on carbon nanotubes (CNTs) via a two-step method of precursor preparation followed by ion exchange, and employed as efficient counter electrodes for quantum dot sensitized solar cells (QDSSCs). Electrochemical tests show that the interface charge transfer resistance (Rcₜ) of MnCo₂S₄ is only 2.86 Ω and the Rcₜ of MnCo₂S₄/CNTs further decrease to 1.09 Ω, suggestin ...
DOI:
10.1021/acs.jpcc.9b04309

8. Anisotropic Arm Growth in Unconventional Semiconductor CdSe/CdS Nanotetrapod Synthesis Using Core/Shell CdSe/CdS as Seeds

Author:
Xudong Wang; Shutang Chen; Sravan Thota; Yongchen Wang; Haiyan Tan; Min Tang; Zewei Quan; Jing Zhao
Source:
Journal of physical chemistry 2019 v.123 no.31 pp. 19238-19245
ISSN:
1932-7455
Subject:
anisotropy; cadmium; cadmium sulfide; ligands; nanocrystals; phase transition; semiconductors; transmission electron microscopy; zinc
Abstract:
... Anisotropic semiconductor CdSe/CdS tetrapods exhibit unique dimension-dependent quantum confinement and efficient charge separation/transport along the arms, making them useful in a wide range of optoelectronic applications. Traditionally, the CdSe/CdS tetrapods were produced by anisotropic CdS growth on the zinc blende CdSe core, induced by ligands that selectively bind to specific facets of CdSe ...
DOI:
10.1021/acs.jpcc.9b05456

9. Atomically Thin Metal Sulfides

Author:
Lenore Kubie; Marissa S. Martinez; Elisa M. Miller; Lance M. Wheeler; Matthew C. Beard
Source:
Journal of the American Chemical Society 2019 v.141 no.30 pp. 12121-12127
ISSN:
1520-5126
Subject:
cadmium sulfide; cation exchange; graphene; ligands; molybdenum disulfide; optical properties; quantum dots; silver sulfide; zinc sulfide
Abstract:
... We developed a method to colloidally synthesize atomically thin metal sulfides (ATMS). Unlike conventional 2D systems such as MoS₂ and graphene, none of the systems developed here are inherently layered compounds nor have known layered polymorphs in their bulk forms. The synthesis proceeds via a cation-exchange reaction starting from single- and multi-layer Ag₂S and going to various metal sulfides ...
DOI:
10.1021/jacs.9b05807

10. BRET based dual-colour (visible/near-infrared) molecular imaging using a quantum dot/EGFP–luciferase conjugate

Author:
Setsuko Tsuboi; Takashi Jin
Source:
RSC advances 2019 v.9 no.60 pp. 34964-34971
ISSN:
2046-2069
Subject:
antibodies; bioimaging; bioluminescence; cadmium sulfide; conjugated proteins; energy transfer; fluorescence; green fluorescent protein; immunoglobulin G; luciferase; neoplasm cells; neoplasms; photobleaching; quantum dots; receptors; wavelengths
Abstract:
... Owing to its high sensitivity, bioluminescence imaging is an important tool for biosensing and bioimaging in life sciences. Compared to fluorescence imaging, bioluminescence imaging has a superior advantage that the background signals resulting from autofluorescence are almost zero. In addition, bioluminescence imaging can permit long-term observation of living cells because external excitation is ...
DOI:
10.1039/c9ra07011g

11. Band Alignments, Band Gap, Core Levels, and Valence Band States in Cu₃BiS₃ for Photovoltaics

Author:
Thomas J. Whittles; Tim D. Veal; Christopher N. Savory; Peter J. Yates; Philip A. E. Murgatroyd; James T. Gibbon; Max Birkett; Richard J. Potter; Jonathan D. Major; Ken Durose; David O. Scanlon; Vinod R. Dhanak
Source:
ACS applied materials & interfaces 2019 v.11 no.30 pp. 27033-27047
ISSN:
1944-8252
Subject:
Raman spectroscopy; X-ray photoelectron spectroscopy; absorption; ambient temperature; bismuth; cadmium sulfide; cations; cleaning; copper; copper zinc tin sulfide; density functional theory; gallium; indium; ionization; models; solar energy; spectral analysis
Abstract:
... The earth-abundant semiconductor Cu₃BiS₃ (CBS) exhibits promising photovoltaic properties and is often considered analogous to the solar absorbers copper indium gallium diselenide (CIGS) and copper zinc tin sulfide (CZTS) despite few device reports. The extent to which this is justifiable is explored via a thorough X-ray photoemission spectroscopy (XPS) analysis: spanning core levels, ionization p ...
DOI:
10.1021/acsami.9b04268

12. Bidens pilosa L. hyperaccumulating Cd with different species in soil and the role of EDTA on the hyperaccumulation

Author:
Xuekai Dou; Huiping Dai; Lidia Skuza; Shuhe Wei
Source:
Environmental science and pollution research international 2019 v.26 no.25 pp. 25668-25675
ISSN:
0944-1344
Subject:
Bidens pilosa; EDTA (chelating agent); cadmium; cadmium chloride; cadmium sulfide; heavy metals; hyperaccumulators; nitrates; phytoremediation; polluted soils; risk; soil amendments
Abstract:
... Investigating whether the same hyperaccumulator shows a high accumulation potential for different species of the same heavy metal in the soil has rarely been considered until now. In this experiment, Cd accumulation by a hyperaccumulator Bidens pilosa L. from soils spiked with 3 and 9 mg Cd kg⁻¹ in the form of Cd(NO₃)₂, CdCl₂, CdBr₂, CdI₂, CdSO₄, CdF₂, Cd(OH)₂, CdCO₃, Cd₃(PO₄)₂, and CdS and effect ...
DOI:
10.1007/s11356-019-05831-6

13. Bioaccumulation, cellular and molecular effects in adult zebrafish after exposure to cadmium sulphide nanoparticles and to ionic cadmium

Author:
José María Lacave; Eider Bilbao; Douglas Gilliland; Francesco Mura; Luciana Dini; Miren P. Cajaraville; Amaia Orbea
Source:
Chemosphere 2019 pp. -
ISSN:
0045-6535
Subject:
DNA damage; Danio rerio; acute toxicity; adults; bioaccumulation; cadmium; cadmium sulfide; fish; gene ontology; gills; histopathology; immune response; inflammation; intestines; liver; metabolism; nanoparticles; oxidative stress; proteins; sublethal effects; transcriptomics
Abstract:
... Few works have addressed the effects provoked by the exposure to cadmium containing nanoparticles (NPs) on adult zebrafish (Danio rerio). We studied the effects of CdS NPs (5 nm) or ionic cadmium (10 μg Cd/L) after 3 and 21 d of exposure and at 6 months post-exposure (mpe). Acute toxicity was recorded after exposure to both forms of cadmium. Significant cadmium accumulation was measured in the who ...
DOI:
10.1016/j.chemosphere.2019.124588

14. Biosynthesized CdS nanoparticles disturb E. coli growth through reactive oxygen production

Author:
Tina Nasrin; Mousumi Patra; Mauricio Escudey; Tapan Kumar Das
Source:
Microbial pathogenesis 2019 v.135 pp. 103639
ISSN:
0882-4010
Subject:
Aspergillus foetidus; Escherichia coli; atomic force microscopy; bacteria; bioengineering; cadmium sulfide; fluorometry; growth retardation; industrial applications; industrial microbiology; lipid peroxidation; models; nanoparticles; oxygen production; reactive oxygen species; thiobarbituric acid; transmission electron microscopy; zeta potential
Abstract:
... E. coli is a widely known model organism for life science research, especially in modern bio-engineering and industrial microbiology. The goal of our current study is to understand the growth inhibitory mechanism of biosynthesized CdS nanoparticles on E. coli bacteria.Characterization of Aspergillus foetidus mediated CdS nanoparticles has been confirmed by Zeta potential, AFM and HRTEM analyses. F ...
DOI:
10.1016/j.micpath.2019.103639

15. Branch-like ZnS–DETA/CdS hierarchical heterostructures as an efficient photocatalyst for visible light CO₂ reduction

Author:
Bo Su; Lijuan Huang; Zhuang Xiong; Yongchang Yang; Yidong Hou; Zhengxin Ding; Sibo Wang
Source:
Journal of materials chemistry A 2019 v.7 no.47 pp. 26877-26883
ISSN:
2050-7496
Subject:
active sites; adsorption; cadmium sulfide; carbon dioxide; carbon monoxide; cation exchange; energy; light; nanosheets; nanowires; photocatalysis; photocatalysts; surface area
Abstract:
... Exploring high-efficiency photocatalysts for CO₂ reduction is highly desirable in view of the current energy and environmental crisis. Herein, we present the design and synthesis of branch-like ZnS–DETA/CdS (DETA = diethylenetriamine) hierarchical heterostructures assembled from ultrathin nanowires for efficient photocatalytic CO₂ reduction under visible light. With ZnS–DETA nanosheets as a precur ...
DOI:
10.1039/c9ta10470d

16. CdS Quantum Dots Obtained by “Green” Synthesis: Comparative Analysis of Toxicity and Effects on the Proliferative and Adhesive Activity of Human Cells

Author:
L. V. Garmanchuk; M. N. Borovaya; A. O. Nehelia; M. Inomistova; N. M. Khranovska; G. M. Tolstanova; Ya. B. Blume; A. I. Yemets
Source:
Cytology and genetics 2019 v.53 no.2 pp. 132-142
ISSN:
0095-4527
Subject:
B-lymphocytes; Escherichia coli; Linaria maroccana; Pleurotus ostreatus; bioimaging; cadmium sulfide; cytotoxicity; fungi; genetics; humans; luminescence; stomach neoplasms; uterine cervical neoplasms
Abstract:
... A novel alternative approach for extracellular synthesis of CdS quantum dots using Escherichia coli bacteria, the fungus Pleurotus ostreatus, and the plant Linaria maroccana as biological matrices was previously developed. The nanoparticles obtained had stable luminescent properties and diameters of 2–10 nm. This paper presents the results of MTT assay- and flow cytometry-based analysis of cytotox ...
DOI:
10.3103/S0095452719020026

17. CdS-Decorated MIL-53(Fe) Microrods with Enhanced Visible Light Photocatalytic Performance for the Degradation of Ketorolac Tromethamine and Mechanism Insight

Author:
Garima Chaturvedi; Amandeep Kaur; Sushil Kumar Kansal
Source:
Journal of physical chemistry 2019 v.123 no.27 pp. 16857-16867
ISSN:
1932-7455
Subject:
Fourier transform infrared spectroscopy; cadmium sulfide; coordination polymers; energy-dispersive X-ray analysis; iron; light; lighting; nitrogen; photocatalysis; photolysis; physical chemistry; physicochemical properties; remediation; scanning electron microscopy; texture; transmission electron microscopy
Abstract:
... Metal–organic frameworks (MOFs) are extensively employed for environmental remediation due to their outstanding physical and chemical properties. Herein, we have demonstrated the complete and simplistic synthesis of CdS/MIL-53(Fe) using the solvothermal method. The prepared MOF was characterized thoroughly in terms of structural, crystalline, optical, compositional, and textural properties with th ...
DOI:
10.1021/acs.jpcc.9b04312

18. CdS:Mn-sensitized 2D/2D heterostructured g-C3N4-MoS2 with excellent photoelectrochemical performance for ultrasensitive immunosensing platform

Author:
Yan Ma; Yu-Xiang Dong; Bing Wang; Shu-Wei Ren; Jun-Tao Cao; Yan-Ming Liu
Source:
Talanta 2019 pp. -
ISSN:
0039-9140
Subject:
cadmium sulfide; cupric oxide; electric current; electrochemistry; electron transfer; immunosensors; manganese; models; myoglobin; nanocrystals; nanoparticles; photochemistry
Abstract:
... The exploration of advanced photoactive materials with fine photoelectrochemical (PEC) performance is always the hot subject in PEC bioanalysis. Herein, Mn-doped CdS nanocrystals (CdS:Mn)-sensitized 2D/2D heterostructured g-C3N4-MoS2 was prepared and served as photoactive matrix of PEC sensing platform for myoglobin (Myo) detection using CuO nanoparticles labeled anti-Myo (anti-Myo-CuO) conjugates ...
DOI:
10.1016/j.talanta.2019.120288

19. CdSe@CdS Dot@Platelet Nanocrystals: Controlled Epitaxy, Monoexponential Decay of Two-Dimensional Exciton, and Nonblinking Photoluminescence of Single Nanocrystal

Author:
Yonghong Wang; Chaodan Pu; Hairui Lei; Haiyan Qin; Xiaogang Peng
Source:
Journal of the American Chemical Society 2019 v.141 no.44 pp. 17617-17628
ISSN:
1520-5126
Subject:
cadmium; cadmium sulfide; nanocrystals; photoluminescence; probability
Abstract:
... Wurtzite CdSe@CdS dot@platelet nanocrystals, dot-shaped CdSe nanocrystals encased within epitaxially grown CdS nanoplatelets, are controllably synthesized with nearly monodisperse size and shape distribution and outstanding photoluminescence (PL) properties. The excellent size and shape control with their lateral to thickness dimension ratio up to 3:1 is achieved by systematically studying the syn ...
DOI:
10.1021/jacs.9b06932

20. Chemical Bonding and Electronic Structure in CdS/GO and CdSSe/GO Multilayer Films

Author:
Roberto A. Colina-Ruiz; Rafael V. Tolentino-Hernández; Cesia Guarneros-Aguilar; José Mustre de León; Francisco J. Espinosa-Faller; Felipe Caballero-Briones
Source:
Journal of physical chemistry 2019 v.123 no.22 pp. 13918-13924
ISSN:
1932-7455
Subject:
Raman spectroscopy; X-ray absorption spectroscopy; adsorption; cadmium; cadmium sulfide; chemical bonding; electric current; electrolytes; electrophoresis; energy-dispersive X-ray analysis; graphene oxide; nanoparticles; photovoltaic cells; scanning electron microscopy; tin dioxide; transmittance; ultraviolet-visible spectroscopy
Abstract:
... The local atomic structure of multilayer films of graphene oxide, cadmium sulfide, and cadmium sulfide–selenide was analyzed by X-ray absorption fine structure spectroscopy. The films were prepared by sequential electrophoretic deposition and successive ion layer adsorption and reaction onto F-doped SnO₂ substrates. The obtained films were characterized by scanning electron microscopy, energy disp ...
DOI:
10.1021/acs.jpcc.9b03328

21. Composition-Controlled CdS/ZnS Heterostructure Nanocomposites for Efficient Visible Light Photocatalytic Hydrogen Generation

Author:
Joyjit Kundu; Biraj Kanta Satpathy; Debabrata Pradhan
Source:
Industrial & engineering chemistry process design and development 2019 v.58 no.51 pp. 22709-22717
ISSN:
1520-5045
Subject:
cadmium sulfide; electrochemistry; energy; hydrogen production; light; nanocomposites; nanorods; photocatalysis; photocatalysts; zinc sulfide
Abstract:
... To overcome the increasing energy demand worldwide, semiconductor-based photocatalytic H₂ production by water splitting has gained much recognition as an alternative approach. However, the main drawbacks are lower visible light absorption and rapid recombination of photogenerated electrons–hole pairs in the semiconductor-based photocatalysts. This work reports the synthesis of CdS/ZnS heterostruct ...
DOI:
10.1021/acs.iecr.9b03764

22. Computational Screening of Electrocatalytic Activity of Transition Metal-Doped CdS Nanotubes for Water Splitting

Author:
Priyanka Garg; Akhil S. Nair; Kuber Singh Rawat; Biswarup Pathak
Source:
Journal of physical chemistry 2019 v.123 no.22 pp. 13419-13427
ISSN:
1932-7455
Subject:
adsorption; cadmium sulfide; catalysts; catalytic activity; cobalt; copper; copper nanoparticles; gold; hydrogen production; iridium; iron; nanogold; nanosilver; nanotubes; nickel; osmium; oxygen production; palladium; platinum; rhodium; ruthenium; screening; silver
Abstract:
... Exploring novel catalyst materials for water-splitting reaction is far-reaching in the current research scenario. CdS-derived nanostructures have been identified as potential catalysts for water splitting for decades. Realizing the competence of transition-metal (TM) doping in the desirable tuning of the properties of nanostructures, we have studied the catalytic activity of late TM (TM = Fe, Co, ...
DOI:
10.1021/acs.jpcc.9b01589

23. Construction of Isoenergetic Band Alignment between CdS QDs and CaFe₂O₄@ZnFe₂O₄ Heterojunction: A Promising Ternary Hybrid toward Norfloxacin Degradation and H₂ Energy Production

Author:
Arjun Behera; Debasmita Kandi; Srikant Sahoo; Kulamani Parida
Source:
Journal of physical chemistry 2019 v.123 no.28 pp. 17112-17126
ISSN:
1932-7455
Subject:
X-ray photoelectron spectroscopy; absorption; atomic force microscopy; cadmium sulfide; combustion; electric current; electron transfer; energy; hydrogen; hydrogen production; ions; irradiation; nanocomposites; nanomaterials; norfloxacin; pH; photocatalysis; photocatalysts; photoluminescence; photolysis; photostability; pollutants; solar radiation
Abstract:
... The increasing demand for clean water triggers advancement in development of nanomaterials for photocatalytic pollutant degradation. Herein, we report for the first time a CdS QDs decorated p-CaFe₂O₄@n-ZnFe₂O₄ heterojunction photocatalyst fabricated via a two-step chemical route, i.e. sol–gel auto combustion and precipitation-deposition methods. The prepared photocatalyst proves to be effective to ...
DOI:
10.1021/acs.jpcc.9b03296

24. Deliberate construction of direct Z-scheme photocatalysts through photodeposition

Author:
Wenshuai Jiang; Dan Qu; Li An; Xiang Gao; Yuanjing Wen; Xiayan Wang; Zaicheng Sun
Source:
Journal of materials chemistry A 2019 v.7 no.31 pp. 18348-18356
ISSN:
2050-7496
Subject:
cadmium sulfide; carbon nitride; ferric oxide; liquids; photocatalysts; photooxidation; photosynthesis; reactive oxygen species; semiconductors; titanium dioxide
Abstract:
... Constructing Z-scheme type photocatalysts is preferred to achieve efficient photocatalyst owing to the high oxidative and reductive capabilities of composite catalysts. The direct Z-scheme (DZS) is composed of two semiconductors contacting each other, which eliminates the disadvantages of using an electron mediator in liquid and solid-state Z-schemes. However, deliberately constructing a DZS remai ...
DOI:
10.1039/c9ta05607f

25. Denitrification responses to increasing cadmium exposure in Baltic Sea sediments

Author:
Elias Broman; Nisha H. Motwani; Stefano Bonaglia; Tommy Landberg; Francisco J.A. Nascimento; Sara Sjöling
Source:
Aquatic toxicology 2019 v.217 pp. 105328
ISSN:
0166-445X
Subject:
aquatic organisms; benthic ecosystems; cadmium; cadmium sulfide; denitrification; hypoxia; isotopes; marine sediments; microbial communities; microorganisms; nitrates; nitrification; nitrogen cycle; nitrous oxide; oxygen; pollution; toxicity; Baltic Sea
Abstract:
... Benthic ecosystems have come under intense pressure, due to eutrophication-driven oxygen decline and industrial metal contamination. One of the most toxic metals is Cadmium (Cd), which is lethal to many aquatic organisms already at low concentrations. Denitrification by facultative anaerobic microorganisms is an essential process to transform, but also to remove, excess nitrate in eutrophied syste ...
DOI:
10.1016/j.aquatox.2019.105328

26. Determination of Nitrogen Dioxide by Thin-Film Chemical Sensors Based on CdxPb1 –xS

Author:
A. E. Bezdetnova; V. F. Markov; L. N. Maskaeva; Yu. G. Shashmurin; A. S. Frants; T. V. Vinogradova
Source:
Journal of analytical chemistry 2019 v.74 no.12 pp. 1256-1262
ISSN:
1061-9348
Subject:
acetates; adsorption; air; cadmium; cadmium sulfide; carbon dioxide; crystallites; films (materials); functional properties; hydrogen; nitrogen content; nitrogen dioxide; oxygen; semiconductors; solid solutions
Abstract:
... The results of a study of sensors based on thin semiconductor films of CdₓPb₁ – ₓS solid solutions intended for the determination of nitrogen dioxide in air are described. For a comparative assessment of the composition, morphology, and functional properties of the films, they were synthesized from reaction mixtures containing various cadmium salts. It was found that the maximum response is provid ...
DOI:
10.1134/S1061934819120025

27. Development and validation of a turbidimetry method for hydrogen sulphide evaluation in effluents of phosphoric acid production unit

Author:
Ibtissem Boumnijel; Hedi Ben Amor; Hassen Chekir; Nejib Hajji
Source:
International journal of environmental analytical chemistry 2019 v.99 no.10 pp. 936-948
ISSN:
1029-0397
Subject:
absorption; acetates; cadmium; cadmium sulfide; chemical reactions; effluents; hydrogen sulfide; phosphoric acid; turbidimetry
Abstract:
... The aim of this study was to develop and validate a simple, new and efficient method for the analysis of hydrogen sulphide (H₂S) released from the effluents of phosphoric acid production units. H₂S sampling was performed by absorption of the industrial gas into a cadmium acetate absorbing solution. The formed cadmium sulphide (CdS), as a result of a chemical reaction, was analysed by turbidimetry. ...
DOI:
10.1080/03067319.2019.1616716

28. Earth-Abundant MoS₂ and Cobalt Phosphate Dual Cocatalysts on 1D CdS Nanowires for Boosting Photocatalytic Hydrogen Production

Author:
Kang-Qiang Lu; Ming-Yu Qi; Zi-Rong Tang; Yi-Jun Xu
Source:
Langmuir 2019 v.35 no.34 pp. 11056-11065
ISSN:
1520-5827
Subject:
active sites; cadmium sulfide; cobalt; electrons; hydrogen production; molybdenum disulfide; nanowires; oxidation; phosphates; photocatalysis; photocatalysts; photostability; semiconductors; surface water; synergism
Abstract:
... Cocatalysts play a significant role in accelerating the catalytic reactions of semiconductor photocatalyst. In particular, a semiconductor assembled with dual cocatalysts, i.e., reduction and oxidation cocatalysts, can obviously enhance the photocatalytic performance because of the synergistic effect of fast consumption of photogenerated electrons and holes simultaneously. However, in most cases, ...
DOI:
10.1021/acs.langmuir.9b01409

29. Effect of Pressure on Interband and Intraband Transition of Mercury Chalcogenide Quantum Dots

Author:
Clément Livache; Nicolas Goubet; Charlie Gréboval; Bertille Martinez; Julien Ramade; Junling Qu; Amaury Triboulin; Hervé Cruguel; Benoit Baptiste; Stefan Klotz; Guy Fishman; Sébastien Sauvage; Francesco Capitani; Emmanuel Lhuillier
Source:
Journal of physical chemistry 2019 v.123 no.20 pp. 13122-13130
ISSN:
1932-7455
Subject:
cadmium sulfide; compression strength; mercury; nanocrystals; physical chemistry; quantum dots; zinc
Abstract:
... Mercury chalcogenide nanocrystals generate a lot of interest as active materials for low-cost infrared sensing. Device improvement requires building a deeper understanding of their electronic structure, which combines inverted band ordering, quantum confinement, and dependence on surface chemistry. This is particularly true with the development of mercury chalcogenide colloidal heterostructures (H ...
DOI:
10.1021/acs.jpcc.9b01695

30. Effectively H2 generation over CdS/KTa0.75Nb0.25O3 composite via water splitting

Author:
Pingxing Xing; Zhiqiang Chen; Pengfei Chen; Hongjun Lin; Leihong Zhao; Ying Wu; Yiming He
Source:
Journal of colloid and interface science 2019 v.552 pp. 622-632
ISSN:
0021-9797
Subject:
Raman spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; cadmium sulfide; dielectric spectroscopy; electric current; hydrogen; hydrogen production; lighting; photocatalysis; photocatalysts; photoluminescence; photosensitivity; reflectance spectroscopy; scanning electron microscopy; semiconductors; sodium sulfide; surface area; synergism; transmission electron microscopy
Abstract:
... The present work reports a novel CdS/KTa0.75Nb0.25O3 (KTN) composite photocatalyst which was synthesized via a facile deposition method. The photocatalytic reaction in Na2S solution indicated that the as-synthesized composite presented excellent performance in water splitting under simulated sunlight and visible light. A thorough investigation was performed to reveal the origin of the high perform ...
DOI:
10.1016/j.jcis.2019.05.098

31. Efficient Endocytosis of Inorganic Nanoparticles with Zwitterionic Surface Functionalization

Author:
Emile Drijvers; Jing Liu; Aranit Harizaj; Ulrich Wiesner; Kevin Braeckmans; Zeger Hens; Tangi Aubert
Source:
ACS applied materials & interfaces 2019 v.11 no.42 pp. 38475-38482
ISSN:
1944-8252
Subject:
adsorption; cadmium sulfide; cell culture; cell membranes; culture media; endocytosis; ligands; luminescence; nanomedicine; nanoparticles; nuclear magnetic resonance spectroscopy; quantum dots; zwitterions
Abstract:
... PEGylation, which has traditionally been the method of choice to enhance the colloidal stability of nanostructures designed for biological applications and to prevent nonspecific protein adsorption, is now being challenged by short zwitterionic ligands. Inspired by the zwitterionic nature of cell membranes, these ligands have the potential to push forward the field of nanoparticles for nanomedicin ...
DOI:
10.1021/acsami.9b12398

32. Efficient Photocatalysis of Composite Films Based on Plasmon-Enhanced Triplet–Triplet Annihilation

Author:
Jiaojiao Fang; Cihui Zhou; Yukai Chen; Liang Fang; Wei Wang; Cheng Zhu; Yaru Ni; Chunhua Lu
Source:
ACS applied materials & interfaces 2019 v.12 no.1 pp. 717-726
ISSN:
1944-8252
Subject:
cadmium sulfide; composite films; composite materials; graphene; green light; irradiation; nanogold; nanoparticles; photocatalysis; photocatalysts; photons; platinum; pollution; polydimethylsiloxane; tetracycline
Abstract:
... To avoid secondary environmental pollution caused by photocatalysts in their applications, our work offers a new strategy for fabricating photocatalytic films based on plasmon-enhanced triplet–triplet annihilation upconversion (TTA-UC). Polydimethylsiloxane (PDMS) films containing platinum (II)-octaethylporphyrin and 9,10-diphenylanthracene (PtDPAP), and gold nanoparticles (AuNPs) were prepared. W ...
DOI:
10.1021/acsami.9b17954

33. Efficient Type-II Heterojunction Nanorod Sensitized Solar Cells Realized by Controlled Synthesis of Core/Patchy-Shell Structure and CdS Cosensitization

Author:
Sangheon Lee; Joseph C. Flanagan; Jaewook Kim; Alan Jiwan Yun; Byungho Lee; Moonsub Shim; Byungwoo Park
Source:
ACS applied materials & interfaces 2019 v.11 no.21 pp. 19104-19114
ISSN:
1944-8252
Subject:
adsorption; anisotropy; cadmium sulfide; diodes; electric current; electrodes; models; nanorods; solar cells; solar energy
Abstract:
... Here, we report the successful application of core/patchy-shell CdSe/CdSeₓTe₁–ₓ type-II heterojunction nanorods (HNRs) to realize efficient sensitized solar cells. The core/patchy-shell structure designed to have a large type-II heterointerface without completely shielding the CdSe core significantly improves photovoltaic performance compared to other HNRs with minimal or full-coverage shells. In ...
DOI:
10.1021/acsami.9b02873

34. Efficient Way To Assemble CdS Nanorose-Decorated CdSe-Tetrakaidecahedron Heterojunction Photoanodes for High-Photoelectrochemical Performance

Author:
Mahadeo A. Mahadik; Hee-Suk Chung; Hyeon Ih Ryu; Weon-Sik Chae; Min Cho; Jum Suk Jang
Source:
ACS sustainable chemistry & engineering 2019 v.7 no.24 pp. 19708-19719
ISSN:
2168-0485
Subject:
X-ray photoelectron spectroscopy; cadmium; cadmium sulfide; electric current; electrochemistry; ethylenediamines; irradiation; lighting; nanomaterials; photochemistry; photovoltaic cells; solar radiation; transmission electron microscopy
Abstract:
... The 3D structure assembly of CdSe tetrakaidecahedron (TDH) modified with the oxygenated CdS nanorose (NR) structure plays a crucial role in the photoelectrochemical (PEC) performance because of its advanced morphological, intrinsic optical, and electronic properties. The CdS NR-decorated CdSe-TDH nanostructure is demonstrated on cadmium substrates for the first time, exhibiting a greatly enhanced ...
DOI:
10.1021/acssuschemeng.9b04868

35. Efficient, Full Spectrum-Driven H₂ Evolution Z-Scheme Co₂P/CdS Photocatalysts with Co–S Bonds

Author:
Nan Li; Yunxuan Ding; Jiaojiao Wu; Zhijie Zhao; Xitao Li; Yan-Zhen Zheng; Meilan Huang; Xia Tao
Source:
ACS applied materials & interfaces 2019 v.11 no.25 pp. 22297-22306
ISSN:
1944-8252
Subject:
Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; cadmium sulfide; chemical bonding; density functional theory; harvesting; hydrogen production; near infrared radiation; photocatalysis; photocatalysts; photoluminescence
Abstract:
... Exploring high-efficiency, low-cost, and stable photocatalysts that enable full solar spectrum including UV, visible, and near-infrared (NIR) light utilization for photocatalytic hydrogen generation still faces huge challenge. Herein, a Co₂P/CdS Z-scheme photocatalyst without a noble metal is rationally fabricated to achieve ultrabroad UV–vis–NIR harvesting. Compared to Pt/CdS, CdS, and Co₂P, the ...
DOI:
10.1021/acsami.9b03965

36. Electronic doping-enabled transition from n- to p-type conductivity over Au@CdS core–shell nanocrystals toward unassisted photoelectrochemical water splitting

Author:
Rongrong Pan; Jia Liu; Yuemei Li; Xinyuan Li; Erhuan Zhang; Qiumei Di; Mengyao Su; Jiatao Zhang
Source:
Journal of materials chemistry A 2019 v.7 no.40 pp. 23038-23045
ISSN:
2050-7496
Subject:
cadmium sulfide; catalysts; cathodes; cations; copper; electrical properties; electrochemistry; gold; hydrogen; nanocrystals; oxygen production; photochemistry; semiconductors
Abstract:
... Here we show a novel strategy for tailoring the synergistic electrical properties of metal@semiconductor hybrid nanocrystals (HNCs) based on cation exchange-enabled electronic doping. As a demonstration, the conductive nature of Au@CdS core–shell HNCs was changed from n- to p-type by introducing Cu dopants into the CdS shell. The dependence of the conductivity type on the dopant concentration in t ...
DOI:
10.1039/c9ta08766d

37. Electropolymerization-Induced Positively Charged Phenothiazine Polymer Photoelectrode for Highly Sensitive Photoelectrochemical Biosensing

Author:
Jiao Wang; Wenxin Lv; Jiahui Wu; Haiyin Li; Feng Li
Source:
Analytical chemistry 2019 v.91 no.21 pp. 13831-13837
ISSN:
1520-6882
Subject:
acetylcholinesterase; ammonium salts; cadmium sulfide; catalytic activity; chlorpyrifos; electrochemistry; electrodes; electrostatic interactions; films (materials); hydrolysis; indium tin oxide; models; moieties; phenothiazine; photochemistry; polymers; quaternary ammonium compounds
Abstract:
... Exploring the fabrication of an electrode with high photoelectric conversion efficiency and abundant functional groups for ideal photoelectrochemical (PEC) sensor development is highly urgent but faces a significant challenge. Herein we report an electropolymerization strategy for the preparation of phenothiazine polymeric film on an indium tin oxide (ITO) surface (PPT/ITO), within only a few seco ...
DOI:
10.1021/acs.analchem.9b03311

38. Energetics of Nonradiative Surface Trap States in Nanoparticles Monitored by Time-of-Flight Photoconduction Measurements on Nanoparticle–Polymer Blends

Author:
Xiaoqing Guo; Qianxun Gong; Joanna Borowiec; Sijie Zhang; Shuo Han; Meng Zhang; Maureen Willis; Theo Kreouzis; Kui Yu
Source:
ACS applied materials & interfaces 2019 v.11 no.40 pp. 37184-37192
ISSN:
1944-8252
Subject:
cadmium sulfide; ligands; nanoparticles; photoluminescence; photovoltaic cells; quantum dots; semiconductors
Abstract:
... Nanoparticles (NPs) have had increasingly successful applications including in emissive or photovoltaic devices; however, trap states associated with the surface of NPs often drastically reduce the efficiency of devices and are difficult to detect spectroscopically. We show the applicability of photoconduction as the means of detecting and quantifying trap states in NPs. We performed time-of-fligh ...
DOI:
10.1021/acsami.9b07852

39. Energy Transfer from CdS QDs to a Photogenerated Pd Complex Enhances the Rate and Selectivity of a Pd-Photocatalyzed Heck Reaction

Author:
Zhengyi Zhang; Cameron R. Rogers; Emily A. Weiss
Source:
Journal of the American Chemical Society 2019 v.142 no.1 pp. 495-501
ISSN:
1520-5126
Subject:
cadmium sulfide; catalysts; energy transfer; organoiodine compounds; palladium; photocatalysis; photosensitizing agents; quantum dots; spectral analysis; spectroscopy; styrene
Abstract:
... This Article describes the design of a colloidal quantum dot (QD) photosensitizer for the Pd-photocatalyzed Heck coupling of styrene and iodocyclohexane to form 2-cyclohexylstyrene. In the presence of 0.05 mol % CdS QDs, which have an emission spectrum that overlaps the absorption spectrum of a key Pd(II)alkyl iodide intermediate, the reaction proceeds with 82% yield for the Heck product at 0.5 mo ...
DOI:
10.1021/jacs.9b11278

40. Enhanced hydrogen evolution from water splitting based on ZnO nanosheet/CdS nanoparticle heterostructures

Author:
Yinwei Wang; Hang Ping; Tiening Tan; Wenxuan Wang; Peiyan Ma; Hao Xie
Source:
RSC advances 2019 v.9 no.48 pp. 28165-28170
ISSN:
2046-2069
Subject:
cadmium sulfide; electrons; energy; hydrogen; hydrogen production; light; nanocrystals; nanoparticles; nanorods; nanosheets; photocatalysis; renewable energy sources; zinc oxide
Abstract:
... As environmental and energy problems have worsened worldwide, research for developing renewable energy has become urgent. Presently, the primary focus of such research is directed towards the photocatalytic decomposition of water to produce hydrogen as an energy source. Herein, ZnO nanosheet/CdS nanoparticle heterostructures were synthesized by a mild wet chemical reaction and displayed a high pho ...
DOI:
10.1039/c9ra04975d

41. Enhanced photocatalytic H2 production under visible light on composite photocatalyst (CdS/NiSe nanorods) synthesized in aqueous solution

Author:
Rana Muhammad Irfan; Mudassir Hussain Tahir; Sayed Ali Khan; Muhammad Ashraf Shaheen; Gulzar Ahmed; Shahid Iqbal
Source:
Journal of colloid and interface science 2019 v.557 pp. 1-9
ISSN:
0021-9797
Subject:
aqueous solutions; cadmium sulfide; electric current; electron transfer; hydrogen production; irradiation; nanorods; nickel; photocatalysis; photocatalysts; photoluminescence; photosensitizing agents
Abstract:
... Cocatalysts play a critical role in the activity and stability of photocatalytic systems. Currently, efficient cocatalysts mainly comprise of expensive noble metals. Herein we report a composite photocatalyst consisting of CdS nanorods (NRs) and noble-metal-free cocatalyst NiSe, which efficiently enhances the hydrogen production activity of CdS NRs under visible light. NiSe was synthesized through ...
DOI:
10.1016/j.jcis.2019.09.014

42. Enhancement of cadmium removal by oxygen-doped carbon nitride with molybdenum and sulphur hybridization

Author:
Jing Su; Lei Bi; Chen Wang; Tao Lyu; Gang Pan
Source:
Journal of colloid and interface science 2019 v.556 pp. 606-615
ISSN:
0021-9797
Subject:
active sites; adsorption; cadmium; cadmium sulfide; calcium; carbon nitride; graphene; heavy metals; ions; magnesium; models; molybdenum; molybdenum disulfide; oxidation; remediation; sulfur; zinc
Abstract:
... Graphitic carbon nitride, as a popular material in the field of environmental remediation, still suffers from unsatisfactory performance for heavy metals adsorption owing to lack of specific adsorption sites. In this study, molybdenum (Mo) and sulphur (S) were simultaneously introduced onto the surface of oxygen-doped graphitic carbon nitride (OCN) for the enhancement of Cd²⁺ adsorption. The synth ...
DOI:
10.1016/j.jcis.2019.08.104

43. Environmental impacts of copper‑indium‑gallium-selenide (CIGS) photovoltaics and the elimination of cadmium through atomic layer deposition

Author:
Laurence Stamford; Adisa Azapagic
Source:
Science of the total environment 2019 v.688 pp. 1092-1101
ISSN:
0048-9697
Subject:
cadmium; cadmium sulfide; carbon dioxide; climate change; environmental impact; issues and policy; land use; manufacturing; markets; solar collectors; solar energy; zinc; Spain; United Kingdom
Abstract:
... Thin-film technologies have been part of the rapidly-expanding solar photovoltaics (PV) market for many years, led by cadmium-telluride (CdTe) and copper‑indium‑gallium-selenide (CIGS). However, their environmental impacts remain largely unknown, particularly considering state-of-the-art CIGS manufacturing techniques. This study estimates the life cycle environmental impacts of CIGS PV installatio ...
DOI:
10.1016/j.scitotenv.2019.06.343

44. Enzymatic synthesis of supported CdS quantum dot/reduced graphene oxide photocatalysts

Author:
Leah C. Spangler; Joseph P. Cline; John D. Sakizadeh; Christopher J. Kiely; Steven McIntosh
Source:
Green chemistry 2019 v.21 no.15 pp. 4046-4054
ISSN:
1463-9270
Subject:
acetates; aqueous solutions; biomineralization; cadmium; cadmium sulfide; cystathionine; cystathionine gamma-lyase; cysteine; energy; fuels; graphene oxide; green chemistry; hydrogen; nanocrystals; pH; photocatalysis; photocatalysts; quantum dots; solar energy; solvents; synthesis; temperature
Abstract:
... Photocatalysis is an attractive, sustainable, and potentially low-cost route to capture solar energy as fuel. However, current photocatalytic materials synthesis routes are not easily scaled-up to the magnitude required to impact our energy consumption due to both economic and environmental concerns. While the elements utilized are often earth abundant, typical synthetic routes utilize organic sol ...
DOI:
10.1039/c9gc00097f

45. Estimation of structural and mechanical properties of Cadmium Sulfide/PVA nanocomposite films

Author:
Jammula Koteswararao; Suggala Venkata Satyanarayana; Gattumane Motappa Madhu; Vuppala Venkatesham
Source:
Heliyon 2019 v.5 no.6 pp. e01851
ISSN:
2405-8440
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; cadmium sulfide; hot water treatment; mechanical stress; modulus of elasticity; modulus of rupture; nanocomposites; polyvinyl alcohol
Abstract:
... Cadmium Sulfide (CdS) nanoparticles have been synthesized by hydrothermal method, and dispersed in varying amounts by weight, in Poly Vinyl Alcohol (PVA) matrix. Subsequently, PVA/CdS nanocomposite films have been characterized and analyzed to estimate CdS nanoparticles effect on the properties of PVA films. Both mechanical and structural properties have been considered for the analysis. From the ...
DOI:
10.1016/j.heliyon.2019.e01851
PubMed:
31206090
PubMed Central:
PMC6558304

46. Exploring the Cadmium Tolerance and Removal Capability of a Filamentous Fungus Fusarium solani

Author:
Vinay Kumar; Saumya Singh; Garima Singh; S. K. Dwivedi
Source:
Geomicrobiology journal 2019 v.36 no.9 pp. 782-791
ISSN:
1521-0529
Subject:
Fourier transform infrared spectroscopy; Fusarium solani; X-ray diffraction; biomass; biosorption; cadmium; cadmium sulfide; catalase; energy-dispersive X-ray analysis; enzyme activity; fungi; glutathione; human health; lead; mycelium; nickel; oxidation; pH; pollutants; pollution control; scanning electron microscopy; toxicity; wastewater
Abstract:
... Cadmium is one of the most toxic contaminant causing many problems to human health and the environment. These days the world is moving toward ecofriendly and efficient techniques to remove the pollutant from the wastewater. The present study aims to investigate the tolerance of Fusarium solani toward cadmium (Cd), nickel (Ni), and lead (Pb). Maximum tolerance was observed with Cd. Cadmium removal ...
DOI:
10.1080/01490451.2019.1627443

47. Fabrication of tantalum doped CdS nanoparticles for enhanced photocatalytic degradation of organic dye under visible light exposure

Author:
Ranjith Rajendran; Krishnakumar Varadharajan; Venkatesan Jayaraman
Source:
Colloids and surfaces 2019 v.580 pp. 123688
ISSN:
0927-7757
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; cadmium sulfide; deformation; energy-dispersive X-ray analysis; irradiation; kinetics; methylene blue; monitoring; nanoparticles; photocatalysis; photocatalysts; photoluminescence; physicochemical properties; pollutants; reflectance spectroscopy; scanning electron microscopy; tantalum; transmission electron microscopy
Abstract:
... Different amount (3, 5, 7 and 9 mol%) of the Tantalum (Ta) doped CdS nanoparticles have been synthesized by hydrothermal approach for the photocatalytic degradation of the organic pollutant removals. The physicochemical properties of the synthesized products were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), scanni ...
DOI:
10.1016/j.colsurfa.2019.123688

48. Fluorescence Quantum Yield and Single-Particle Emission of CdSe Dot/CdS Rod Nanocrystals

Author:
Alexandra Hinsch; Sven-Hendrik Lohmann; Christian Strelow; Tobias Kipp; Christian Würth; Daniel Geißler; Andreas Kornowski; Christopher Wolter; Horst Weller; Ute Resch-Genger; Alf Mews
Source:
Journal of physical chemistry 2019 v.123 no.39 pp. 24338-24346
ISSN:
1932-7455
Subject:
cadmium sulfide; fluorescence; models; nanocrystals; nanoparticles; optical properties; wavelengths
Abstract:
... The fluorescence quantum yield (QY) of CdSe dot/CdS rod (DR) nanoparticle ensembles is dependent on the shell growth and excitation wavelength. We analyze the origin of this dependency by comparing the optical properties of DR ensembles to the results obtained in single-particle experiments. On the ensemble level, we find that the QY of DRs with shell lengths shorter than 40 nm exhibits no depende ...
DOI:
10.1021/acs.jpcc.9b07957

49. General self-assembly of metal/metal chalcogenide heterostructures initiated by a surface linker: modulating tunable charge flow toward versatile photoredox catalysis

Author:
Tao Li; Ming-Hui Huang; Yu-Bing Li; Xiao-Cheng Dai; Yunhui He; Guangcan Xiao; Fang-Xing Xiao
Source:
Journal of materials chemistry A 2019 v.7 no.37 pp. 21182-21194
ISSN:
2050-7496
Subject:
alcohols; cadmium sulfide; electrons; energy conversion; engineering; gold; hydrogen production; irradiation; ligands; light; nanocrystals; nanogold; nitroaromatic compounds; oxidation; palladium; photocatalysis; photocatalysts; solar energy
Abstract:
... Interfacial charge separation and transfer enduringly constitutes a core issue, which dictates the efficiency of a photocatalytic reaction. However, the exquisite modulation of directional charge transfer to ideal reaction sites remains challenging in terms of the fast recombination rates of photoinduced charge carriers and the difficulty in constructing spatially separated high-speed charge trans ...
DOI:
10.1039/c9ta07569k

50. Greatly enhanced luminescence efficiency of CdS nanoparticles in aqueous solution

Author:
Yulia V. Kuznetsova; Ilse Letofsky-Papst; Benedikt Sochor; Bernhard Schummer; Alexander A. Sergeev; Ferdinand Hofer; Andrey A. Rempel
Source:
Colloids and surfaces 2019 v.581 pp. 123814
ISSN:
0927-7757
Subject:
EDTA (chelating agent); air; aqueous solutions; cadmium sulfide; light intensity; luminescence; nanoparticles; oxygen; zinc sulfide
Abstract:
... A simple shell-creating technique for the synthesis of CdS nanoparticles covered by ZnS is presented, which also contributes to the understanding of their low quantum yield and luminescence intensity in water, which is usually below 0.01%. The CdS nanoparticles with about 0.8 nm thick ZnS shell were synthesized in a colloidal aqueous solution and stabilized by EDTA. The CdS carrier lifetime and th ...
DOI:
10.1016/j.colsurfa.2019.123814

51. Heterogeneous photocatalytic performances of CO₂ reduction based on the [Emim]BF₄ + TEOA + H₂O system

Author:
Jinliang Lin; Youfeng Li; Bo Xie
Source:
RSC advances 2019 v.9 no.61 pp. 35841-35846
ISSN:
2046-2069
Subject:
cadmium sulfide; carbon dioxide; carbon monoxide; ingredients; irradiation; light; photocatalysis; photocatalysts; solubility; spectroscopy; viscosity
Abstract:
... The photochemical reduction of CO₂ was studied in a 1-ethyl-3-methylimidazolium tetrafluoroborate, triethanolamine and water ([Emim]BF₄ + TEOA + H₂O) system under visible light irradiation. The integration of CdS and the Co–bpy complex, which acted as a photocatalyst and cocatalyst, respectively, was employed as an efficient catalytic system for the CO₂-to-CO conversion. The utilization of [Emim]B ...
DOI:
10.1039/c9ra06235a

52. Heterojunction Photoanode of Atomic-Layer-Deposited MoS₂ on Single-Crystalline CdS Nanorod Arrays

Author:
Thi Anh Ho; Changdeuck Bae; Jemee Joe; Hyunwoo Yang; Sungsoon Kim; Jong Hyeok Park; Hyunjung Shin
Source:
ACS applied materials & interfaces 2019 v.11 no.41 pp. 37586-37594
ISSN:
1944-8252
Subject:
cadmium sulfide; electric current; electrochemistry; hydrogen production; molybdenum disulfide; nanorods; photochemistry; semiconductors
Abstract:
... Cadmium sulfide (CdS) is a semiconducting absorber for photoelectrochemical (PEC) hydrogen production with suitable electronic band structures. However, it suffers from severe photocorrosion and rapid charge recombination during the desired PEC reactions. Herein, we describe the identification of the optimal junction thickness of CdS/MoS₂ core/sheath heterojunction nanostructures by employing atom ...
DOI:
10.1021/acsami.9b11178

53. High-Performance Nanofloating Gate Memory Based on Lead Halide Perovskite Nanocrystals

Author:
Tianhao Jiang; Zhibin Shao; Huan Fang; Wei Wang; Qiao Zhang; Di Wu; Xiujuan Zhang; Jiansheng Jie
Source:
ACS applied materials & interfaces 2019 v.11 no.27 pp. 24367-24376
ISSN:
1944-8252
Subject:
air; cadmium sulfide; halogens; lead; light emitting diodes; nanocrystals; solar cells
Abstract:
... Lead halide perovskites have been extensively investigated in a host of optoelectronic devices, such as solar cells, light-emitting diodes, and photodetectors. The halogen vacancy defects arising from the halogen-poor growth environment are normally regarded as an unfavorable factor to restrict the device performance. Here, for the first time, we demonstrate the utilization of the vacancy defects ...
DOI:
10.1021/acsami.9b03474

54. Highly Active Pt₃Sn{110}-Excavated Nanocube Cocatalysts for Photocatalytic Hydrogen Production

Author:
Juan Yao; Yaru Zheng; Xin Jia; Lixuan Duan; Qiang Wu; Cunping Huang; Wei An; Qunjie Xu; Weifeng Yao
Source:
ACS applied materials & interfaces 2019 v.11 no.29 pp. 25844-25853
ISSN:
1944-8252
Subject:
alloy nanoparticles; cadmium sulfide; hydrogen production; photocatalysis; photocatalysts; platinum
Abstract:
... In photocatalytic hydrogen production via water splitting, noble metal alloy nanoparticles exposed to specific crystal facets can be highly effective cocatalysts in comparison with noble metal nanospherical particles. In this research, we have investigated, for the first time, the {110} facet-dependent efficiency of a Pt₃Sn nanocube cocatalyst for solar photocatalytic hydrogen production. Under id ...
DOI:
10.1021/acsami.9b05572

55. Highly Selective and Sensitive Photoelectrochemical Sensing Platform for VEGF165 Assay Based on the Switching of Photocurrent Polarity of CdS QDs by Porous Cu₂O-CuO Flower

Author:
Yamin Fu; Kang Zou; Mengyue Liu; Xiaohua Zhang; Cuicui Du; Jinhua Chen
Source:
Analytical chemistry 2019 v.92 no.1 pp. 1189-1196
ISSN:
1520-6882
Subject:
cadmium sulfide; catalytic activity; detection limit; disease diagnosis; electric current; electrochemistry; electrodes; indium tin oxide; oligonucleotides; particle size; photochemistry; proteins; quantum dots; surface area; vascular endothelial growth factors
Abstract:
... Herein, a highly selective and sensitive photoelectrochemical (PEC) sensing platform was developed for vascular endothelial growth factor 165 (VEGF165) assay based on the porous Cu₂O-CuO flower-induced photocurrent-polarity switching of the CdS quantum dots (QDs) modified indium–tin oxide (ITO) electrode. The porous Cu₂O-CuO flower with uniform size and large surface area was successfully synthesi ...
DOI:
10.1021/acs.analchem.9b04319

56. Highly efficient and stable inverted perovskite solar cells using down-shifting quantum dots as a light management layer and moisture-assisted film growth

Author:
Mohammad Mahdi Tavakoli; Hadi Tavakoli Dastjerdi; Daniel Prochowicz; Pankaj Yadav; Rouhollah Tavakoli; Michael Saliba; Zhiyong Fan
Source:
Journal of materials chemistry A 2019 v.7 no.24 pp. 14753-14760
ISSN:
2050-7496
Subject:
annealing; cadmium sulfide; crystal structure; energy; lighting; quantum dots; relative humidity; solar cells; ultraviolet radiation; wavelengths
Abstract:
... Stability is one of the key challenges for perovskite solar cells (PSCs) to become an industrial reality. In this work, we present two novel strategies to significantly improve the stability of PSCs using environmental humidity and down-shifting quantum dots (QDs). We first improve the crystallinity of double-cation Cs/FA perovskite by annealing films in 40% relative humidity (RH). Our results rev ...
DOI:
10.1039/c9ta03131f

57. Hole dynamic acceleration over CdSO nanoparticles for high-efficiency solar hydrogen production with urea photolysis

Author:
Fengting Luo; Wen Qiao; Huichao He; Xiaoyong Xu; Jingguo Hu; Yong Zhou; Dunhui Wang
Source:
Journal of materials chemistry A 2019 v.7 no.44 pp. 25650-25656
ISSN:
2050-7496
Subject:
cadmium sulfide; cost effectiveness; fuels; hydrogen; hydrogen production; irradiation; nanoparticles; oxidation; photocatalysis; photocatalysts; photolysis; renewable energy sources; thermodynamics; urea; wastewater
Abstract:
... Solar water splitting to hydrogen (H₂) fuel is considered a sustainable approach to meet green energy demands in the future, but is mainly limited owing to the sluggish hole dynamics involved in the water oxidation reaction and bulk charge separation. Herein, we implemented hole dynamics engineering over cadmium sulfide (CdS) nanoparticles (NPs) via the oxidation reaction substitution with a facil ...
DOI:
10.1039/c9ta08357j

58. Homojunction CdS Photocatalysts with a Massive S²–-Adsorbed Surface Phase: One-Step Facile Synthesis and High H₂-Evolution Performance

Author:
Wei Zhong; Xinhe Wu; Ping Wang; Jiajie Fan; Huogen Yu
Source:
ACS sustainable chemistry & engineering 2019 v.8 no.1 pp. 543-551
ISSN:
2168-0485
Subject:
adsorption; cadmium sulfide; hydrogen; ions; nanocrystals; nanoparticles; photocatalysis; photocatalysts; synergism
Abstract:
... For the traditional hexagonal CdS (h-CdS) photocatalyst, both of the efficient charge separation and rapid H₂-evolution reactions are highly required for improving its H₂-production efficiency. In this study, a facile noble metal-free strategy was reported to simultaneously realize the efficient charge separation and rapid interfacial H₂-evolution reaction by homojunction CdS photocatalysts with a ...
DOI:
10.1021/acssuschemeng.9b06046

59. Hot-Carrier Relaxation in CdSe/CdS Core/Shell Nanoplatelets

Author:
Matthew Pelton; Yana Wang; Igor Fedin; Dmitri V. Talapin; Stephen K. O’Leary
Source:
Journal of physical chemistry 2019 v.124 no.1 pp. 1020-1026
ISSN:
1932-7455
Subject:
cadmium sulfide; cooling; energy; models; photoluminescence; physical chemistry; spectroscopy; temperature
Abstract:
... We present time-resolved photoluminescence (PL) spectroscopy of a series of colloidal CdSe/CdS core/shell nanoplatelets with different core and shell thicknesses. Exciton numbers are determined from the integrated PL intensities, and carrier temperatures are determined from the high-energy exponential tail of the PL spectra. For times between 10 and 1000 ps, the measured carrier relaxation dynamic ...
DOI:
10.1021/acs.jpcc.9b08006

60. Hyperaccumulation of Cd by Rorippa globosa (Turcz.) Thell. from soil enriched with different Cd compounds, and impact of soil amendment with glutathione (GSH) on the hyperaccumulation efficiency

Author:
Xuekai Dou; Huiping Dai; Irena Twardowska; Shuhe Wei
Source:
Environmental pollution 2019 v.255 pp. 113270
ISSN:
0269-7491
Subject:
Rorippa; agricultural land; cadmium; cadmium chloride; cadmium sulfide; glutathione; hyperaccumulators; nitrates; nutrients; phytoremediation; pot culture; root systems; soil; soil amendments
Abstract:
... Rorippa globosa (Turcz.) Thell. is known as Cd hyperaccumulator, however neither hyperaccumulation nature, nor affecting factors like the effect of Cd compounds entering soil from different sources, or of specific soil amendments, are not yet satisfactorily clarified. In the pot culture experiment, Cd accumulation by R. globosa from soils spiked with 3 and 9 mg Cd kg⁻¹ in the form of Cd(NO₃)₂, CdC ...
DOI:
10.1016/j.envpol.2019.113270

61. Immunodiagnostic of leprosy exploiting a photoelectrochemical platform based on a recombinant peptide mimetic of a Mycobacterium leprae antigen

Author:
Sakae Yotsumoto Neto; Mayara Ingrid Sousa Lima; Silma Regina Ferreira Pereira; Luiz Ricardo Goulart; Rita de Cássia Silva Luz; Flavio Santos Damos
Source:
Biosensors & bioelectronics 2019 pp. -
ISSN:
0956-5663
Subject:
Mycobacterium leprae; antibodies; antigens; blood serum; cadmium sulfide; chitosan; cross-linking reagents; dielectric spectroscopy; electrochemistry; glass; glutaraldehyde; humans; immunosensors; leishmaniasis; leprosy; nickel; pH; patients; photochemistry; recombinant peptides; scanning electrochemical microscopy; scanning electron microscopy; synthetic peptides; tin dioxide; tuberculosis; ultraviolet-visible spectroscopy
Abstract:
... The first serum diagnosis of leprosy based on the detection of antibodies of patients using a recombinant mimetic peptide (PGL1M3R) as recognition element and exploiting a photoelectrochemical sensor is presented in this work. The photoeletrochemical platform consists of cadmium sulphide and nickel hydroxide electrodeposited on fluorine-doped tin oxide coated glass slide (CdS/Ni(OH)2/FTO). The opt ...
DOI:
10.1016/j.bios.2019.111625

62. Improved Photocatalytic Hydrogen Evolution of CdS Using Earth-Abundant Cocatalyst Mo₂N with Rod Shape and Large Capacitance

Author:
Baojun Ma; Jiawei Zhang; Keying Lin; Dekang Li; Yahui Liu; Xu Yang
Source:
ACS sustainable chemistry & engineering 2019 v.7 no.15 pp. 13569-13575
ISSN:
2168-0485
Subject:
cadmium sulfide; capacitance; electrochemistry; hydrogen production; photocatalysis; photocatalysts
Abstract:
... Earth-abundant catalysts (cocatalysts) for photocatalysis, photoelectrocatalysis, and electrocatalysis have attracted increased attention due to the potentially reduced cost for large-scale application. Here, we first report and demonstrate that improving the capacitance of cocatalysts of Mo₂N by modifying the morphology and orientations could produce a better photocatalytic hydrogen evolution rea ...
DOI:
10.1021/acssuschemeng.9b03334

63. Improved light-harvesting and suppressed charge recombination by introduction of a nanograss-like SnO₂ interlayer for efficient CdS quantum dot sensitized solar cells

Author:
Sangaraju Sambasivam; Chandu V. V. Muralee Gopi; Hee-Je Kim; Ihab M. Obaidat
Source:
RSC advances 2019 v.9 no.65 pp. 38047-38054
ISSN:
2046-2069
Subject:
cadmium sulfide; dielectric spectroscopy; electric potential difference; electrolytes; quantum dots; solar cells; tin dioxide; titanium dioxide
Abstract:
... Quantum dot sensitized solar cell (QDSSC) performance is primarily limited by the recombination of charges at the interfaces of TiO₂/quantum dot (QD) sensitizer/electrolyte. Hence, blocking or suppressing the charge recombination is an essential requirement to elevate the QDSSC performance to the next level. To retard the charge recombination, herein, we propose the introduction of a SnO₂ nanogras ...
DOI:
10.1039/c9ra08234d

64. In situ synthesis of CdS/CdWO₄ nanorods core–shell composite via acid dissolution

Author:
Haruki Nagakawa; Morio Nagata
Source:
RSC advances 2019 v.10 no.1 pp. 105-111
ISSN:
2046-2069
Subject:
cadmium sulfide; irradiation; nanorods; oxidation; pH; photocatalysis; photocatalysts; temperature
Abstract:
... The prevention of photocorrosion in photocatalysts allows for the use of a wide variety of visible-light-responsive photocatalysts, leading to highly efficient photocatalytic reactions. This study aimed to avoid the photocorrosion issues associated with pure CdS, a known photocorrosive photocatalyst, by forming a stable CdWO₄ shell on the surface of a CdS core. The CdS/CdWO₄ core–shell composite w ...
DOI:
10.1039/c9ra09858e

65. Influence of sodium diffusion from substrates on performance of SnS/CdS thin-film solar cells

Author:
Jae Yu Cho; Kyeongrok Shin; Hyo Seok Lee; KrishnaRao Eswar Neerugatti; Jaeyeong Heo
Source:
Journal of materials chemistry A 2019 v.7 no.42 pp. 24186-24190
ISSN:
2050-7496
Subject:
cadmium sulfide; films (materials); glass; sodium; solar cells
Abstract:
... The influence of Na doping in vapour-transport-deposited SnS thin-film solar cells (TFSCs) was investigated based on the choice of substrate, such as soda-lime glass (SLG) and Eagle XG glass, without an external supply of Na. Our results show that the quantity of Na not only impacts the growth orientation of SnS, but also varies the efficiencies from 2.66% to 2.93% for SLG- and Eagle XG-based SnS ...
DOI:
10.1039/c9ta08339a

66. Influence of the Cation on the Surface Electronic Band Structure and Magnetic Properties of Mn:ZnS and Mn:CdS Quantum Dot Thin Films

Author:
Andrew J. Yost; Thilini K. Ekanayaka; Gautam Gurung; Gaurab Rimal; Sabit Horoz; Jinke Tang; Tula Paudel; TeYu Chien
Source:
Journal of physical chemistry 2019 v.123 no.40 pp. 24890-24898
ISSN:
1932-7455
Subject:
X-ray photoelectron spectroscopy; ambient temperature; cadmium; cadmium sulfide; cations; density functional theory; ferromagnetism; films (materials); magnetic properties; manganese; oxidation; physical chemistry; quantum dots; zinc; zinc sulfide
Abstract:
... The effects of doping Mn into ZnS and CdS quantum dots (QDs) are reported. Scanning tunneling spectroscopy spectra show a reduction in the electronic band gap in both CdS and ZnS upon incorporation of the Mn dopant. Mn:ZnS exhibits a rigid band shift toward higher bias, which is reminiscent of a hole-doping effect. This rigid band shift in Mn:ZnS is argued, with the help of X-ray photoelectron spe ...
DOI:
10.1021/acs.jpcc.9b06551

67. Integration of CdS particles into sodium alginate aerogel with enhanced photocatalytic performance

Author:
Dandan Hao; Quanhao Shen; Ju Liu; Lingfei Wei; Rehana Bibi; Bo Fu; Naixu Li; Jiancheng Zhou
Source:
International journal of biological macromolecules 2019 v.141 pp. 1111-1117
ISSN:
0141-8130
Subject:
aerogels; cadmium sulfide; chromium; lighting; nanoparticles; photocatalysis; pollution; sodium alginate
Abstract:
... In the present work, CdS nanoparticles were integrated into sodium alginate aerogel matrix through a facile method. The CdS particles were successfully incorporated into the network of sodium alginate and highly distributed. Moreover, the accessibility of pore structures of sodium alginate was well-preserved. The resulting hybrid aerogels demonstrated high photocatalytic ability towards Cr (VI) re ...
DOI:
10.1016/j.ijbiomac.2019.09.064

68. Integration of photoelectrochemical devices and luminescent solar concentrators based on giant quantum dots for highly stable hydrogen generation

Author:
Guiju Liu; Baofen Sun; Hongliang Li; Yiqian Wang; Haiguang Zhao
Source:
Journal of materials chemistry A 2019 v.7 no.31 pp. 18529-18537
ISSN:
2050-7496
Subject:
cadmium sulfide; clean energy; electric current; electrochemistry; hydrogen production; irradiation; lighting; luminescence; photochemistry; photosensitizing agents; quantum dots; solar collectors; solar radiation; ultraviolet radiation
Abstract:
... Hydrogen generation from water under sunlight illumination is the key to construct a sustainable and clean energy system. To date, the long-term stability of photoanodes based on colloidal quantum dots (QDs) for hydrogen generation remains a major challenge due to the degradation of the QDs and hole accumulation. The degradation is usually caused by the self-oxidation of QDs induced by ultraviolet ...
DOI:
10.1039/c9ta06437k

69. Interfacial Self-Assembly in Halloysite Nanotube Composites

Author:
Yuri Lvov; Abhishek Panchal; Ye Fu; Rawil Fakhrullin; Marina Kryuchkova; Svetlana Batasheva; Anna Stavitskaya; Aleksandr Glotov; Vladimir Vinokurov
Source:
Langmuir 2019 v.35 no.26 pp. 8646-8657
ISSN:
1520-5827
Subject:
aluminum silicates; benzene; bioremediation; cadmium sulfide; catalysts; catalytic activity; clay; cobalt; drugs; emulsifying; encapsulation; flame retardants; gold; halloysite; hydrogen production; hydrogenation; industrial applications; iron oxides; nanotubes; oils; particle size; petroleum; phenol; platinum; ruthenium; silver; sowing; stem cells; zirconium oxide
Abstract:
... A self-assembly of clay nanotubes in functional arrays for the production of organized organic/inorganic heterostructures is described. These 50-nm-diameter natural alumosilicate nanotubes are biocompatible. Halloysite allows for 10–20 wt % chemical/drug loading into the inner lumen, and it gives an extended release for days and months (anticorrosion, self-healing, flame-retardant, antifouling, an ...
DOI:
10.1021/acs.langmuir.8b04313

70. Investigating the Kinetic Competency of CrHydA1 [FeFe] Hydrogenase Intermediate States via Time-Resolved Infrared Spectroscopy

Author:
Monica L. K. Sanchez; Constanze Sommer; Edward Reijerse; James A. Birrell; Wolfgang Lubitz; R. Brian Dyer
Source:
Journal of the American Chemical Society 2019 v.141 no.40 pp. 16064-16070
ISSN:
1520-5126
Subject:
Chlamydomonas reinhardtii; cadmium sulfide; catalytic activity; electrons; ferredoxin oxidoreductase; hydrogen; infrared spectroscopy; nanocrystals; oxidation; photosensitizing agents; semiconductors
Abstract:
... Hydrogenases are metalloenzymes that catalyze the reversible oxidation of H₂. The [FeFe] hydrogenases are generally biased toward proton reduction and have high activities. Several different catalytic mechanisms have been proposed for the [FeFe] enzymes based on the identification of intermediate states in equilibrium and steady state experiments. Here, we examine the kinetic competency of these i ...
DOI:
10.1021/jacs.9b08348

71. Investigation of the Electronic Structure of CdS Nanoparticles with Sum Frequency Generation and Photoluminescence Spectroscopy

Author:
Jingjing Wang; Xuejiao Wu; Yuhan He; Wei Guo; Qinghong Zhang; Ye Wang; Zhaohui Wang
Source:
Journal of physical chemistry 2019 v.123 no.45 pp. 27712-27716
ISSN:
1932-7455
Subject:
cadmium sulfide; fluorescence; nanoparticles; photocatalysis; photoluminescence; physical chemistry; reflectance spectroscopy; semiconductors
Abstract:
... The photocatalytic performance of semiconductor nanoparticles (NPs) is sensitive to their electronic configuration, especially the surface states, which call for effective analysis methods. The electronic structures of CdS NPs have been investigated with traditional spectroscopic methods: ultraviolet–visible diffuse reflectance spectroscopy (UV–vis DRS) and fluorescence excitation emission matrix ...
DOI:
10.1021/acs.jpcc.9b09750

72. Ligand Surface Density Decreases with Quantum Rod Aspect Ratio

Author:
Yuetian Chen; Emily Grace Ripka; John M. Franck; Mathew M. Maye
Source:
Journal of physical chemistry 2019 v.123 no.38 pp. 23682-23690
ISSN:
1932-7455
Subject:
cadmium sulfide; ligands; microstructure; models; nanocrystals; nuclear magnetic resonance spectroscopy; phosphorous acid
Abstract:
... The relationship between phosphonic acid (PA) binding strength, surface coverage, and quantum rod or dot aspect ratio was studied. Seven nanocrystals with an aspect ratio (l/w) between 1.0 and 11.7, including five CdSe with l/w between 1.0 and 5.2 and two CdSe/CdS with dot-in-rod and rod-in-rod microstructures with l/w between 7.5 and 11.7, were synthesized. The nature of phosphonic acid binding w ...
DOI:
10.1021/acs.jpcc.9b03682

73. Low-Power and High-Performance Trimethylamine Gas Sensor Based on n-n Heterojunction Microbelts of Perylene Diimide/CdS

Author:
Peihua Zhu; Yucheng Wang; Pan Ma; Shanshan Li; Fuqing Fan; Kang Cui; Shenguang Ge; Yan Zhang; Jinghua Yu
Source:
Analytical chemistry 2019 v.91 no.9 pp. 5591-5598
ISSN:
1520-6882
Subject:
Internet; cadmium sulfide; detection limit; food quality; quality control; temperature; trimethylamine
Abstract:
... In this work, low-power and high-performance gas sensors toward trimethylamine (TMA) are presented for the food quality control in the Internet of Things. An amphiphilic perylene diimide derivative (1,6,7,12-tetra-chlorinated perylene-N-(2-hydroxyethyl)-N′-hexylamine-3,4,9,10-tetracarboxylic bisimide, TC-PDI) is synthesized and further employed to construct the organic microrods of TC-PDI and orga ...
DOI:
10.1021/acs.analchem.8b04497

74. Manipulating Charge Transfer from Core to Shell in CdSe/CdS/Au Heterojunction Quantum Dots

Author:
Exian Liu; Hua Zhu; Jun Yi; Kanishka Kobbekaduwa; Pan Adhikari; Jianjun Liu; Ying Shi; Jianbing Zhang; Hongbo Li; Ana Oprisan; Apparao M. Rao; Hugo Sanabria; Ou Chen; Jianbo Gao
Source:
ACS applied materials & interfaces 2019 v.11 no.51 pp. 48551-48555
ISSN:
1944-8252
Subject:
cadmium sulfide; gold; models; near-infrared spectroscopy; photoluminescence; quantum dots; temperature
Abstract:
... The photophysics of charge-transfer and recombination mechanisms in a heterojunction structure of CdSe/CdS/Au quantum dots (QDs) are studied by temperature-dependent steady-state photoluminescence (PL) and time-resolved PL (TRPL). We manipulate the charge transfer from core to shell surface by varying the tunneling barrier height resulting from temperature variation and the barrier width resulting ...
DOI:
10.1021/acsami.9b17339

75. Metallic Vanadium Nitride as a Noble-Metal-Free Cocatalyst Efficiently Catalyzes Photocatalytic Hydrogen Production with CdS Nanoparticles under Visible Light Irradiation

Author:
Lei Tian; Shixiong Min; Fang Wang; Zhengguo Zhang
Source:
Journal of physical chemistry 2019 v.123 no.47 pp. 28640-28650
ISSN:
1932-7455
Subject:
cadmium sulfide; electrochemistry; energy; hydrogen; hydrogen production; irradiation; nanoparticles; nitrides; photocatalysis; photocatalysts; photoluminescence; physical chemistry; semiconductors; solar radiation; vanadium
Abstract:
... Developing highly efficient H₂ production cocatalysts based on earth-abundant elements is of significant importance for large-scale conversion of solar light energy to clean H₂ energy via photocatalytic water splitting on semiconductor photocatalysts. Herein, we report that metallic vanadium nitride (VN) could serve as an efficient cocatalyst to greatly promote the photocatalytic H₂ production on ...
DOI:
10.1021/acs.jpcc.9b09389

76. Mixed phase nano–CdS supported on activated biomass carbon as efficient visible light–driven photocatalysts

Author:
Feng-Ying Cai; Yu-Qing Zhang; Jun-Tao Wang; Jun-Ru Zhou; Hai-Lei Cao; Jian Lü
Source:
Environmental science and pollution research international 2019 v.26 no.30 pp. 31055-31061
ISSN:
0944-1344
Subject:
adsorption; biomass; cadmium sulfide; carbon; energy conversion; irradiation; nanoparticles; photocatalysis; photocatalysts; remediation; rhodamines; semiconductors; solar radiation; surface area
Abstract:
... Semiconductors are promising photocatalysts for the use of sunlight in energy conversion and environmental remediation. To this end, various synthetic pathways have been proposed to increase their photocatalytic efficiency, catalytic stability, recycle, and reuse. In this work, mixed phase CdS nanoparticles were loaded on the surface of activated biomass carbons to prepare composite photocatalysts ...
DOI:
10.1007/s11356-019-06267-8

77. Multi-layered photocathodes based on Cu₂ZnSnSe₄ absorber and MoS₂ catalyst for the hydrogen evolution reaction

Author:
Sergi Grau; Sergio Giraldo; Edgardo Saucedo; Joan Ramón Morante; Antoni Llobet; Carolina Gimbert-Suriñach
Source:
Journal of materials chemistry A 2019 v.7 no.42 pp. 24320-24327
ISSN:
2050-7496
Subject:
adhesion; bubbles; cadmium sulfide; catalysts; catalytic activity; cathodes; electrolytes; hydrogen; hydrogen production; indium tin oxide; lighting; mechanical stress; molybdenum; molybdenum disulfide; pH; photovoltaic cells; protons; selenides; thermodynamics; zinc oxide
Abstract:
... A multilayered p-type photoabsorber based on kesterite Cu₂ZnSnSe₄ has been functionalized with inexpensive and easily scalable amorphous MoS₂ electrocatalyst by cathodic photoelectrodeposition. The resulting photocathodes with a final composition of Mo/MoSe₂/Cu₂ZnSnSe₄/CdS/ZnO/ITO/MoS₂ (where ITO = indium tin oxide) feature one of the highest hydrogen evolution catalytic current densities reported ...
DOI:
10.1039/c9ta08818k

78. Multifunctional Peroxidase-Encapsulated Nanoliposomes: Bioetching-Induced Photoelectrometric and Colorimetric Immunoassay for Broad-Spectrum Detection of Ochratoxins

Author:
Jie Wei; Huaming Chen; Haihang Chen; Yunyan Cui; Aori Qileng; Weiwei Qin; Weipeng Liu; Yingju Liu
Source:
ACS applied materials & interfaces 2019 v.11 no.27 pp. 23832-23839
ISSN:
1944-8252
Subject:
antibodies; cadmium sulfide; color; colorimetry; electric current; food analysis; gold; graphene oxide; hydrogen peroxide; hydroxyl radicals; immunoassays; nanogold; nanorods; ochratoxins; oxidation; peroxidase; reaction mechanisms; surface plasmon resonance; zinc oxide
Abstract:
... In this study, a versatile dual-modal readout immunoassay platform was achieved for sensitive and broad-spectrum detection of ochratoxins based on the photocurrent response of flexible CdS/ZnO nanorod arrays/reduced graphene oxide and the localized surface plasmon resonance (LSPR) peak shift of Au nanobipyramids (Au NBPs). By using nanoliposomes as the vehicle to carry the secondary antibody and e ...
DOI:
10.1021/acsami.9b04136

79. Nano-scale sulfurization of the Cu₂ZnSnSe₄ crystal surface for photovoltaic applications

Author:
Marit Kauk-Kuusik; Xiaofeng Li; Maris Pilvet; Kristi Timmo; Valdek Mikli; Reelika Kaupmees; Mati Danilson; Maarja Grossberg
Source:
Journal of materials chemistry A 2019 v.7 no.43 pp. 24884-24890
ISSN:
2050-7496
Subject:
Raman spectroscopy; X-ray photoelectron spectroscopy; annealing; cadmium; cadmium sulfide; crystals; energy-dispersive X-ray analysis; quartz; scanning electron microscopy; selenides; selenium; solar cells; sulfur; temperature
Abstract:
... The objective of this study was to find an effective method to improve VOC without JSC loss for Cu₂ZnSnSe₄ (CZTSe) monograin layer solar cells. Sulfurization of the surface of the kesterite absorber layer may lead to enhanced device efficiency via band gap widening at the surface. Surface sulfurization was carried out in two steps: a CdS layer was first deposited onto the CZTSe crystals by a chemi ...
DOI:
10.1039/c9ta08020a

80. NiSe₂ Nanoparticles Grown in Situ on CdS Nanorods for Enhanced Photocatalytic Hydrogen Evolution

Author:
Zhaohui Chen; Haisheng Gong; Qiuwen Liu; Mingxia Song; Caijin Huang
Source:
ACS sustainable chemistry & engineering 2019 v.7 no.19 pp. 16720-16728
ISSN:
2168-0485
Subject:
cadmium sulfide; hydrogen production; nanoparticles; nanorods; photocatalysis; photocatalysts; selenides
Abstract:
... The construction of heterojunction photocatalysts can accelerate the separation of photogenerated electron–hole pairs and thus improve the photocatalytic activity. Herein, novel NiSe₂/CdS heterojunctions were successfully constructed using an in situ solvothermal method. The as-obtained NiSe₂/CdS composites are composed of NiSe₂ nanoparticles grown in situ on CdS nanorods. The resultant 5 wt % NiS ...
DOI:
10.1021/acssuschemeng.9b04173

81. Novel 3D Printed Device for Dual-Signaling Ratiometric Photoelectrochemical Readout of Biomarker Using λ-Exonuclease-Assisted Recycling Amplification

Author:
Kangyao Zhang; Shuzhen Lv; Dianping Tang
Source:
Analytical chemistry 2019 v.91 no.15 pp. 10049-10055
ISSN:
1520-6882
Subject:
DNA; DNA fragmentation; DNA probes; antigens; biomarkers; cadmium sulfide; detection limit; electric current; electrochemistry; enzymes; magnetism; monitoring; nanogold; nanorods; photochemistry; quantum dots; zinc oxide
Abstract:
... A ratiometric photoelectrochemical (PEC) sensing strategy was proposed for monitoring of carcinoembryonic antigen (CEA) based on a homemade 3D printing device with dual-working photoelectrodes (PE₁ and PE₂), coupling λ-exonuclease (λ-Exo)-assisted recycling amplification with CdS quantum dots. Gold nanoparticles-functionalized ZnO nanorods were utilized as PEC substrate for generating initial phot ...
DOI:
10.1021/acs.analchem.9b01958

82. On-demand Milifluidic Synthesis of Quantum Dots in Digital Droplet Reactors

Author:
Craig Richard; Rachel McGee; Aditya Goenka; Prabuddha Mukherjee; Rohit Bhargava
Source:
Industrial & engineering chemistry process design and development 2019 v.59 no.9 pp. 3730-3735
ISSN:
1520-5045
Subject:
cadmium; cadmium sulfide; droplets; manufacturing; microfluidic technology; mixing; optical properties; quantum dots; selenides; sensors (equipment); solvents
Abstract:
... Colloidal quantum dots (QDs) offer dramatic potential due to their size-dependent optical properties. Lack of facile synthesis methods for precise and reproducible size and composition, however, presents an extant barrier to their widespread use. Here, we report the use of droplet microfluidics for the simple and highly reproducible synthesis of cadmium sulfide (CdS) and cadmium selenide (CdSe) QD ...
DOI:
10.1021/acs.iecr.9b04230

83. One-Step Carbothermal Synthesis of Robust CdS@BPC Photocatalysts in the Presence of Biomass Porous Carbons

Author:
Hai-Bo Huang; Ning Zhang; Kai Yu; Yu-Qing Zhang; Hai-Lei Cao; Jian Lü; Rong Cao
Source:
ACS sustainable chemistry & engineering 2019 v.7 no.19 pp. 16835-16842
ISSN:
2168-0485
Subject:
activated carbon; adsorption; biomass; cadmium sulfide; carbon dioxide; carbon nanotubes; electrons; graphene oxide; irradiation; photocatalysts; reducing agents; tetracycline
Abstract:
... Low cost biomass porous carbons (BPCs) were herein demonstrated as both reducing agents and material supports in the synthesis of robust CdS@BPC photocatalysts through a simple one-step, solvent-free, and atom economic carbothermal reaction pathway. Owing to the versatile functionality on surfaces of BPCs, the as-prepared CdS@BPCs exhibited excellent interface reaction activity and stability as ph ...
DOI:
10.1021/acssuschemeng.9b04395

84. One-Step Sublimation and Epitaxial Growth of CdS-Cd Heterogeneous Nanoparticles on S-Doped MoO₂ Nanosheets for Efficient Visible Light-Driven Photocatalytic H₂ Generation

Author:
Hui Liu; Jiayuan Yu; Yuke Chen; Ziqian Zhou; Guowei Xiong; Lili Zeng; Haidong Li; Zhen Liu; Lili Zhao; Jingang Wang; Benli Chu; Hong Liu; Weijia Zhou
Source:
ACS applied materials & interfaces 2019 v.12 no.2 pp. 2362-2369
ISSN:
1944-8252
Subject:
cadmium; cadmium sulfide; clean energy; electrons; hydrogen production; irradiation; light; nanoparticles; nanosheets; photocatalysis; photocatalysts; sublimation
Abstract:
... As a green, pollution-free, and renewable clean energy source, photocatalytic H₂ production has attracted great attention. Here, epitaxial growth of pyramidal CdS-Cd nanoparticles on S-doped MoO₂ nanosheets (CdS-Cd/S-MoO₂) was prepared by one-step co-sublimation of CdS and MoO₃. The photogenerated electrons of CdS as a photocatalyst are transferred to Cd and S-MoO₂ as co-catalysts for H₂ productio ...
DOI:
10.1021/acsami.9b17216

85. One-pot synthesis of CdS/metal–organic framework aerogel composites for efficient visible photocatalytic reduction of aqueous Cr(vi)

Author:
Haiyan Yang; Liang Jiang; Wei Wang; Zhifang Luo; Jing Li; Zijuan He; Zhiyin Yan; Jiaqiang Wang
Source:
RSC advances 2019 v.9 no.64 pp. 37594-37597
ISSN:
2046-2069
Subject:
aerogels; cadmium sulfide; chromium; coordination polymers; light; photocatalysis; surface area; synthesis
Abstract:
... Metal–organic framework aerogels (MOAs) embedded with CdS (CdS/MOA(Cr)) synthesized via a facile one-pot solvothermal method have a larger surface area than pristine MOA(Cr) and the post-synthesized composite. CdS/MOA(Cr) exhibited 5 times enhancement in the photocatalytic activity than that of pure CdS for Cr(vi) reduction under visible light without adding any sacrificial agent, due to the large ...
DOI:
10.1039/c9ra08339a

86. One-step vulcanization of Cd(OH)Cl nanorods to synthesize CdS/ZnS/PdS nanotubes for highly efficient photocatalytic hydrogen evolution

Author:
Guotai Sun; Siman Mao; Dandan Ma; Yajun Zou; Yixuan Lv; Zhihui Li; Chi He; Yonghong Cheng; Jian-Wen Shi
Source:
Journal of materials chemistry A 2019 v.7 no.25 pp. 15278-15287
ISSN:
2050-7496
Subject:
cadmium; cadmium sulfide; electrons; hydrogen; hydrogen production; nanoparticles; nanorods; nanotubes; photocatalysis; photocatalysts; synergism; wavelengths; zinc chloride; zinc sulfide
Abstract:
... In this work, a novel strategy, one-step vulcanization of Cd(OH)Cl nanorods in the presence of ZnCl₂ and Na₂PdCl₄, is successfully developed to synthesize CdS/ZnS/PdS nanotubes (NTs) for the first time. In this method, the three components (CdS, ZnS and PdS) are fully combined together at the nano-scale in the CdS/ZnS/PdS NTs, creating a large number of intimate contact interfaces. As a result, th ...
DOI:
10.1039/c9ta03862k

87. Photocatalytic Degradation of Tetracycline Antibiotics over CdS/Nitrogen-Doped–Carbon Composites Derived from in Situ Carbonization of Metal–Organic Frameworks

Author:
Hai-Lei Cao; Feng-Ying Cai; Kai Yu; Yu-Qing Zhang; Jian Lü; Rong Cao
Source:
ACS sustainable chemistry & engineering 2019 v.7 no.12 pp. 10847-10854
ISSN:
2168-0485
Subject:
aqueous solutions; cadmium; cadmium sulfide; carbon; carbonization; composite materials; coordination polymers; engineering; irradiation; nanoparticles; oxidation; photocatalysis; photocatalysts; semiconductors; sulfur; temperature; tetracycline; transmission electron microscopy; wastewater
Abstract:
... In view of the increasing concerns for environmental problems caused by the widespread use of antibiotics, there is an urgent demand to develop effective technologies for antibiotics removal from pharmaceutical wastewater. For this purpose, photocatalysis has been developed as an important advanced oxidation technology possessing remarkable prospective, and thus, the semiconductor photocatalysts a ...
DOI:
10.1021/acssuschemeng.9b01685

88. Photodegradation enhancement of 2-chlorophenol using ZnO–CdS@CS nanocomposite under visible light

Author:
E. M. El-Fawal; O. A. A. El-Shamy
Source:
International journal of environmental science and technology 2019 v.16 no.11 pp. 6827-6838
ISSN:
1735-1472
Subject:
2-chlorophenol; Fourier transform infrared spectroscopy; Raman spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; cadmium sulfide; carbon; chemical structure; chitosan; emulsions; energy; high performance liquid chromatography; light scattering; nanocomposites; nanoparticles; nitrogen; photocatalysis; photoluminescence; photolysis; polymers; thermogravimetry; transmission electron microscopy; wavelengths; zinc oxide
Abstract:
... A facile micro-emulsion method used to prepare zinc oxide–cadmium sulfide (ZnO–CdS). Then, chitosan (CS) is utilized as a polymer matrix. Fourier-transform infrared spectroscopy, X-ray diffraction spectroscopy, Raman spectroscopy, X-ray photoelectron spectroscopy, transmission electron microscopy, dynamic light scattering, and photoluminescence is applied to evaluate the chemical structure, surfac ...
DOI:
10.1007/s13762-019-02249-y

89. Photoelectrochemical Determination of Cu²⁺ Using a WO₃/CdS Heterojunction Photoanode

Author:
Jun Wang; Yining Pan; Liangxing Jiang; Min Liu; Fangyang Liu; Ming Jia; Jie Li; Yanqing Lai
Source:
ACS applied materials & interfaces 2019 v.11 no.41 pp. 37541-37549
ISSN:
1944-8252
Subject:
aqueous solutions; cadmium sulfide; copper; detection limit; electric current; electrochemistry; lighting; neurodegenerative diseases; photochemistry; pollution; toxic substances; tungsten oxide
Abstract:
... Copper ions are not only physiologically essential for life but also hazardous materials causing a series of neurodegenerative diseases. Photoelectrochemical (PEC) detection has attracted a large amount of focus as a potential strategy to develop Cu²⁺ ion sensors. However, relatively low photocurrent signals with poor antidisturbance ability and the limited concentration range have prevented its p ...
DOI:
10.1021/acsami.9b10256

90. Photothermal Heating of Semiconductor Nanoribbons

Author:
Anupum Pant; E. James Davis; Peter J. Pauzauskie
Source:
Journal of physical chemistry 2019 v.123 no.47 pp. 28941-28947
ISSN:
1932-7455
Subject:
Raman spectroscopy; cadmium sulfide; cooling; heat transfer; nanomaterials; physical chemistry; refractive index; refrigeration; semiconductors; telecommunications; temperature
Abstract:
... Stokes/anti-Stokes Raman spectroscopy and heat transport analysis were used to investigate photothermal heating of cadmium sulfide (CdS) nanoribbon (NR) structures. Calculations of transient heat transfer are reported for wedged-shaped cantilevered NR and rectangular bridged NR configurations. Steady-state temperatures for both types of structures are predicted to be reached with time scales on th ...
DOI:
10.1021/acs.jpcc.9b05868

91. Polar-Induced Selective Epitaxial Growth of Multijunction Nanoribbons for High-Performance Optoelectronics

Author:
Huawei Liu; Ying Jiang; Peng Fan; Yexin Feng; Jianyue Lan; Gengzhao Xu; Xiaoli Zhu; Xuehong Zhang; Xuelu Hu; Tiefeng Yang; Bin Yang; Qinglin Zhang; Dong Li; Xiao Wang; Anlian Pan
Source:
ACS applied materials & interfaces 2019 v.11 no.17 pp. 15813-15820
ISSN:
1944-8252
Subject:
cadmium sulfide; chemical composition; electronics; geometry; nanomaterials; photonics; semiconductors; transmission electron microscopy
Abstract:
... Semiconductor heterostructures are basic building blocks for modern electronics and optoelectronics. However, it still remains a great challenge to combine different semiconductor materials in single nanostructures with tailored geometry and chemical composition. Here, a polar-induced selective epitaxial growth method is reported to alternately grow CdS and CdSₓSe₁–ₓ heterostructure nanoribbons (N ...
DOI:
10.1021/acsami.9b04470

92. Polypyrrole/cadmium sulfide hollow fiber with high performance contaminant removal and photocatalytic activity fabricated by layer-by-layer deposition and fiber-sacrifice template approach

Author:
Jian Zhao; Pengyao Han; Shengnan Tian; Haiting Shi; Jiahuan He; Changfa Xiao
Source:
Journal of colloid and interface science 2019 v.557 pp. 94-102
ISSN:
0021-9797
Subject:
adsorption; cadmium sulfide; dyes; energy; hydrogen production; industrial applications; photocatalysis; photocatalysts; polyacrylonitrile; polymerization; protective effect; pyrroles; slurries; spectrometers; vapors
Abstract:
... A recyclable polypyrrole (PPy)/cadmium sulfide (CdS) hollow fiber photocatalyst was innovatively fabricated for solving the loss issue of the current powder-form photocatalyst in slurry system. Core-sheath structure CdS/polyacrylonitrile (PAN) fiber was prepared via successive ionic layer adsorption and reaction (SILAR) method on the surface of PAN fiber. PPy was further deposited on the CdS/PAN f ...
DOI:
10.1016/j.jcis.2019.08.095

93. Postdeposition Processing of SnS Thin Films and Solar Cells: Prospective Strategy To Obtain Large, Sintered, and Doped SnS Grains by Recrystallization in the Presence of a Metal Halide Flux

Author:
Nicolae Spalatu; Jaan Hiie; Reelika Kaupmees; Olga Volobujeva; Juri Krustok; Ilona Oja Acik; Malle Krunks
Source:
ACS applied materials & interfaces 2019 v.11 no.19 pp. 17539-17554
ISSN:
1944-8252
Subject:
annealing; cadmium sulfide; crystallization; mass transfer; nitrogen; solar cells; sublimation; temperature
Abstract:
... Postdeposition treatments (PDTs) are common technological approaches to achieve high-efficiency chalcogenide solar cells. For SnS, a promising solar cell material, most PDT strategies to control the SnS properties are overwhelmingly based on an annealing in sulfur-containing ambient atmosphere that is described by condensed-state reactions and vapor-phase transport. In this work, a systematic stud ...
DOI:
10.1021/acsami.9b03213

94. Preparation and growth mechanism of CdS quantum dots in octadecene/glycerol two-phase systems

Author:
Ya Di; Kunling Lu; Yaling Tian; Yan Liu; Yunwang Zhao; Yue Zheng
Source:
Colloids and surfaces 2019 v.581 pp. 123812
ISSN:
0927-7757
Subject:
alloys; cadmium sulfide; glycerol; nanocrystals; quantum dots; temperature; toxicity
Abstract:
... Two-phase synthesis is an advantageous alternative to the traditional synthetic method, due to its less toxicity, controllable, mild synthetic conditions and easy large-scale synthesis. However, meeting novel synthesis, the conventional trial-and-error approach could not provide a clear understanding. We herein report synthesis and mechanism investigation of CdS quantum dots in octadecene/glycerol ...
DOI:
10.1016/j.colsurfa.2019.123812

95. Probing the Surface Structure of Semiconductor Nanoparticles by DNP SENS with Dielectric Support Materials

Author:
Michael P. Hanrahan; Yunhua Chen; Rafael Blome-Fernández; Jennifer L. Stein; Gregory F. Pach; Marquix A. S. Adamson; Nathan R. Neale; Brandi M. Cossairt; Javier Vela; Aaron J. Rossini
Source:
Journal of the American Chemical Society 2019 v.141 no.39 pp. 15532-15546
ISSN:
1520-5126
Subject:
boron nitride; cadmium sulfide; isotropy; mixing; nanoparticles; nuclear magnetic resonance spectroscopy; porous media; powders; semiconductors; silica; silicon
Abstract:
... Surface characterization is crucial for understanding how the atomic-level structure affects the chemical and photophysical properties of semiconducting nanoparticles (NPs). Solid-state nuclear magnetic resonance spectroscopy (NMR) is potentially a powerful technique for the characterization of the surface of NPs, but it is hindered by poor sensitivity. Dynamic nuclear polarization surface enhance ...
DOI:
10.1021/jacs.9b05509

96. Proteomic, gene and metabolite characterization reveal the uptake and toxicity mechanisms of cadmium sulfide quantum dots in soybean plants

Author:
Majumdar Sanghamitra; Pagano Luca; Wohlschlegel James A.; Villani Marco; Zappettini Andrea; White Jason C.; Keller Arturo A.
Source:
Environmental Science: Nano pp. -
ISSN:
2051-8153
Subject:
Glycine max; beta oxidation; biosynthesis; cadmium; cadmium sulfide; environmental science; gene expression; genes; glutathione; glycolysis; metabolites; polyvinylpyrrolidone; proteomics; soybeans; stress response; toxicity; tricarboxylic acid cycle; vermiculite
Abstract:
... Nanomaterial-specific response of quantum dots and the underlying mechanisms of their interaction with plants are poorly understood. In this study, we investigated the mechanism of cadmium sulfide-quantum dot (CdS-QD) uptake and stress response in soybean (Glycine max) plants using sensitive bio-analytical techniques. We adopted shotgun-proteomics and targeted analysis of metabolites and gene expr ...
DOI:
10.1039/c9en00599d
CHORUS:
10.1039/c9en00599d

97. Quantum Dot Donor–Polymer Acceptor Architecture for a FRET-Enabled Solar Cell

Author:
Ramesh K. Kokal; Sai Santosh Kumar Raavi; Melepurath Deepa
Source:
ACS applied materials & interfaces 2019 v.11 no.20 pp. 18395-18403
ISSN:
1944-8252
Subject:
cadmium sulfide; carbon quantum dots; electrodes; energy transfer; fabrics; lighting; solar cells; zinc sulfide
Abstract:
... Forster resonance energy-transfer (FRET)-based solution-processed solar cell is fabricated with cadmium sulfide (CdS) as the energy donor and poly[N-9′-heptadecanyl-2,7-carbazole-alt-5,5-(4′,7′-di-2-thienyl-2′,1′,3′-benzothiadiazole)] (PCDTBT) as the energy acceptor. Carbon dots (C-dots) deposited on carbon fabric are applied as a counter electrode. Although electron injection from CdS to PCDTBT i ...
DOI:
10.1021/acsami.9b01792

98. Recycled electronic plastic and marine litter

Author:
Emma J. Shaw; Andrew Turner
Source:
Science of the total environment 2019 v.694 pp. 133644
ISSN:
0048-9697
Subject:
X-ray fluorescence spectroscopy; antimony; bioavailability; birds; bromine; cadmium; cadmium sulfide; chromium; color; electronic wastes; flame retardants; insulating materials; lead; marine debris; pigments; plastics; poly(vinyl chloride); recycling; toxic substances; wildlife; England
Abstract:
... Black consumer plastics are often contaminated with hazardous chemicals because of technological constraints on sorting dark plastic during recycling of municipal waste coupled with the convenience of waste electrical and electronic equipment (WEEE) as a secondary source of black plastic. In this study, samples of beached plastic litter (n = 524) from southwest England were categorised according t ...
DOI:
10.1016/j.scitotenv.2019.133644

99. Relationship between the Photocatalytic Hydrogen Ion Reduction and Charge Carrier Dynamics of Pt/Cd₁–ₓNiₓS Catalysts

Author:
T. T. Isimjan; P. Maity; T. Ahmed; O. F. Mohammed; H. Idriss
Source:
Journal of physical chemistry 2019 v.123 no.39 pp. 24051-24061
ISSN:
1932-7455
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; benzyl alcohol; bleaching; cadmium sulfide; cations; electron transfer; hydrogen; hydrogen production; nickel; photocatalysis; photocatalysts; platinum; prototypes; semiconductors; transmission electron microscopy
Abstract:
... The performance of a semiconductor photocatalyst is affected by bulk and surface doping because of changes in the charge carrier dynamics. Finding relationships between these changes upon doping and catalytic performance offers needed information for the fundamental understanding of the overall catalytic reaction. In this work, the electron transfer for the hydrogen ion reduction reaction over a p ...
DOI:
10.1021/acs.jpcc.9b05987

100. Resonance Hyper-Raman Scattering from CdSe and CdS Nanocrystals

Author:
Rui Tan; David F. Kelley; Anne Myers Kelley
Source:
Journal of physical chemistry 2019 v.123 no.26 pp. 16400-16405
ISSN:
1932-7455
Subject:
cadmium sulfide; ligands; models; nanocrystals; physical chemistry; quantum dots; toluene
Abstract:
... Resonance hyper-Raman spectra are reported for zincblende and wurtzite CdSe quantum dots (QDs), CdS quantum dots, and CdSe/CdS tetrapods in toluene solution using 808–824 nm excitation. All structures show both Stokes and anti-Stokes fundamental scattering and overtone scattering in the CdS or CdSe longitudinal optical phonon, but the hyper-Rayleigh scattering is much stronger relative to the hype ...
DOI:
10.1021/acs.jpcc.9b04645