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1. A visible-light sensitive MoSSe nanohybrid for the photocatalytic degradation of tetracycline, oxytetracycline, and chlortetracycline

Author:
Linjer Chen; Chiu-Wen Chen; Chin-Pao Huang; Yuliv Chuang; Thanh-Binh Nguyen; Cheng-Di Dong
Source:
Journal of colloid and interface science 2022 v.616 pp. 67-80
ISSN:
0021-9797
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; absorption; chlortetracycline; electrochemistry; irradiation; nanohybrids; oxytetracycline; photocatalysis; photocatalysts; photoluminescence; superoxide anion; surface area; tetracycline; thermogravimetry; transmission electron microscopes; ultraviolet-visible spectroscopy
Abstract:
... A MoSSe nanohybrids (NHs) was synthesized, characterized, and tested for the degradation of tetracycline, oxytetracycline, and chlortetracycline under visible light irradiation. The Z–scheme MoSSe NHs exhibited higher specific surface area (∼10 times), faster charge separation, and greater photo-absorption than MoS₂ nanoparticles (NPs) or MoSe₂ NPs catalyst. The photocatalysts were characterized b ...
DOI:
10.1016/j.jcis.2022.01.035

2. Constructing an S-scheme CuBi2O4/Bi4O5I2 heterojunction for light emitting diode-driven pollutant degradation and bacterial inactivation

Author:
Jiawei Liu; Liying Huang; Yeping Li; Jiao Yao; Shuangxiu Shu; Lijing Huang; Yanhua Song; Qiwen Tian
Source:
Journal of colloid and interface science 2022 v.621 pp. 295-310
ISSN:
0021-9797
Subject:
Escherichia coli; Staphylococcus aureus; X-ray diffraction; X-ray photoelectron spectroscopy; irradiation; pH; photocatalysis; photocatalysts; pollutants; tetracycline
Abstract:
... The CuBi₂O₄/Bi₄O₅I₂ S-scheme heterojunction structure was constructed by a hydrothermal and subsequent calcination route. The combination of CuBi₂O₄ and Bi₄O₅I₂ produced excellent photocatalytic performance under an LED light. A series of technical characterizations, including X-ray diffraction (XRD), scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS), were used to deter ...
DOI:
10.1016/j.jcis.2022.04.034

3. Diels–Alder Reaction of Photochemically Generated (E)-Cyclohept-2-enones: Diene Scope, Reaction Pathway, and Synthetic Application

Author:
Daniel P. Schwinger; Martin T. Peschel; Constantin Jaschke; Christian Jandl; Regina de Vivie-Riedle; Thorsten Bach
Source:
Journal of organic chemistry 2022 v.87 no.7 pp. 4838-4851
ISSN:
1520-6904
Subject:
X-ray diffraction; cycloaddition reactions; furans; irradiation; isomerization; organic chemistry
Abstract:
... Upon irradiation at λ = 350 nm, cyclohept-2-enone undergoes an isomerization to the strained (E)-isomer. The process was studied by XMS-CASPT2 calculations and found to proceed by two competitive reaction channels on either the singlet or the triplet hypersurface. (E)-Cyclohept-2-enone is a reactive dienophile in thermal [4 + 2] cycloaddition reactions with various dienes. Ten different dienes wer ...
DOI:
10.1021/acs.joc.2c00186

4. Efficient degradation of orange II by core shell CoFe2O4–CeO2 nanocomposite with the synergistic effect from sodium persulfate

Author:
Fang Zhu; Qiuyue Ji; Yu Lei; Jianfeng Ma; Qixing Xiao; Yan Yang; Sridhar Komarneni
Source:
Chemosphere 2022 v.291 pp. 132765
ISSN:
0045-6535
Subject:
X-ray diffraction; electron paramagnetic resonance spectroscopy; irradiation; light; magnetic separation; nanocomposites; photocatalysis; photocatalysts; reflectance spectroscopy; sodium; solar energy; synergism; transmission electron microscopy; wastewater
Abstract:
... Novel core shell CoFe₂O₄–CeO₂ (CoFe–Ce) nanocomposite was synthesized and investigated as an efficient photocatalyst to activate sodium persulfate (Na2S2O8, PS) for orange Ⅱ (OⅡ) degradation. The CoFe–Ce nanocomposite was successfully designed and synthesized by a facile hydrothermal reaction followed by calcination and characterized by X-ray diffraction (XRD), field emission scanning electron mic ...
DOI:
10.1016/j.chemosphere.2021.132765

5. Electron beam irradiation enhanced extraction and antioxidant activity of active compounds in green walnut husk

Author:
Heyu Shen; Yujie Hou; Meihua Xi; Yingying Cai; Jingfang Ao; Jun Wang; Mei Li; Anwei Luo
Source:
Food chemistry 2022 v.373 pp. 131520
ISSN:
0308-8146
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; antioxidant activity; flavonoids; food chemistry; hulls; irradiation; polyphenols; response surface methodology; triterpenoids; ultrasonics; walnuts
Abstract:
... Green walnut husk (GWH) contains abundant active compounds and is valued as a potential source of natural antioxidants. This study aimed at assessing the impact of electron beam irradiation (EBI) pretreatment on the extraction yield and antioxidant activity of active compounds in GWH. The ultrasonic extraction of active substances was optimized by response surface method (RSM). Scanning electron m ...
DOI:
10.1016/j.foodchem.2021.131520

6. Enhanced Hydrogen Production from Ammonia Borane over Ni Nanoparticles Supported on TiN–TiO₂ Composites under Sunlight

Author:
Xiang Li; Yawei Liu; Peng Xu; Xigang Du; Gang Mi; Binglong Mao; Jun Zhang
Source:
Energy & fuels 2022 v.36 no.5 pp. 2901-2909
ISSN:
1520-5029
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; absorption; ammonia; catalytic activity; dehydrogenation; energy; hydrogen production; irradiation; nickel; nitrides; oxidation; sodium borohydride; solar radiation; titanium; transmission electron microscopy; ultrasonics
Abstract:
... Titanium dioxide–titanium nitride composite (TiO₂–TiN) nanoparticles (NPs) were used as a support to load nickel nano particles for the dehydrogenation of ammonia borane (AB) which is a new method. The composite support was fabricated via a simple ultrasonic mixing route, followed by the in situ loading of Ni NPs using a liquid-phase reduction reaction method where sodium borohydride was adopted a ...
DOI:
10.1021/acs.energyfuels.1c04255

7. Enhanced photocatalytic activity of two dimensional ternary nanocomposites of ZnO–Bi2WO6–Ti3C2 MXene under natural sunlight irradiation

Author:
Vishal Sharma; Ajay Kumar; Ashish Kumar; Venkata Krishnan
Source:
Chemosphere 2022 v.287 pp. 132119
ISSN:
0045-6535
Subject:
X-ray diffraction; ciprofloxacin; electron microscopy; irradiation; nanocomposites; photocatalysis; photocatalysts; pollutants; remediation; semiconductors; solar radiation; surface area; water purification
Abstract:
... The design and development of advanced photocatalysts for water purification have attracted much attention from researchers in recent years. In this context, the two-dimensional (2D) semiconducting materials have shown excellent photocatalytic properties due to their merits of high surface area, confined longitudinal dimensions and excellent capability of efficient separation and transfer of photo ...
DOI:
10.1016/j.chemosphere.2021.132119

8. Fabrication data of two light-responsive systems to release an antileishmanial drug activated by infrared photothermal heating

Author:
Letícia S. Vitorino; Thiago C. dos Santos; Isabela A.A. Bessa; Evelyn C.S. Santos; Brunno R.F. Verçoza; Luiz Augusto S. de Oliveira; Juliany C.F. Rodrigues; Célia M. Ronconi
Source:
Data in Brief 2022 v.41 pp. 107841
ISSN:
2352-3409
Subject:
Leishmania amazonensis; Raman spectroscopy; X-ray diffraction; amphotericin B; cytotoxicity; experimental design; graphene oxide; heat; hydrogen; irradiation; optical fibers; polyethyleneimine; promastigotes; temperature; thermogravimetry; thermometers; transmission electron microscopy
Abstract:
... The data provided in this study are related to the fabrication of two light-responsive systems based on reduced graphene oxide (rGO) functionalized with the polymers Pluronic P123 (P123), rGO-P123, and polyethyleneimine (PEI), rGO-PEI, and loaded with amphotericin B (AmB), an antileishmanial drug. Here are described the experimental design to obtain the systems and characterization methods, such a ...
DOI:
10.1016/j.dib.2022.107841

9. Green approach to synthesize MnxZn1-xO nanocomposite with enhanced photocatalytic, fluorescence and antibacterial activity

Author:
Anik Sinha; Sanjay Kumar Sahu; Suman Biswas; Manab Mandal; Vivekananda Mandal; Tanmay Kumar Ghorai
Source:
Current research in green and sustainable chemistry 2022 v.5 pp. 100244
ISSN:
2666-0865
Subject:
X-ray diffraction; agar; antibacterial properties; coprecipitation; crystallites; equations; fluorescence; fluorescence emission spectroscopy; green chemistry; irradiation; minimum inhibitory concentration; nanocomposites; photocatalysis; photocatalysts; photooxidation; research; solar radiation; ultraviolet-visible spectroscopy
Abstract:
... Green approach to synthesize MnₓZn₁₋ₓO [x ​= ​0.05 (MNZ†), 0.1 (MNZ1), 0.2 (MNZ2), 0.3 (MNZ3), and 0.4 (MNZ4)] nanocomposites via co-precipitation method under the controlled condition at pH∼8–9 and its application was found in multidimension like photocatalytic, fluorescence and antibacterial activity. The X-ray powder diffraction (XRD), Furrier Transform Infrared (FT-IR), Scanning electron micro ...
DOI:
10.1016/j.crgsc.2021.100244

10. Impact of piezoelectric effect on the heterogeneous visible photocatalysis of g-C3N4/Ag/ZnO tricomponent

Author:
Pavan P. Gotipamul; Ganesh Vattikondala; Karthik Dilly Rajan; Shweta Khanna; Maheswaran Rathinam; Siva Chidambaram
Source:
Chemosphere 2022 v.287 pp. 132298
ISSN:
0045-6535
Subject:
X-ray diffraction; electric current; electrochemistry; irradiation; photocatalysis; photoluminescence; sewage treatment; synergism; ultrasonic treatment; ultraviolet-visible spectroscopy
Abstract:
... In recent years, the piezophotocatalytic mechanism had been intensively recognized as a potential and promising route to sewage treatment. Here we report the piezoelectric effect improved heterogeneous photocatalysis of g-C₃N₄/Ag/ZnO (g-CN/A/Z) tricomponent in rhodomine B (RhB) degradation. Initially, the nanomaterials were characterized for their physico-chemical and optoelectronic properties usi ...
DOI:
10.1016/j.chemosphere.2021.132298

11. Investigation of the photocatalytic activity of a novel-driven photocatalyst L-cysteine-TiO2/Bi2O3 under visible light irradiation: process optimization and modeling

Author:
S. Karimzadeh; K. Bahrami
Source:
International journal of environmental science and technology 2022 v.19 no.5 pp. 3715-3730
ISSN:
1735-1472
Subject:
Fourier transform infrared spectroscopy; X-radiation; X-ray diffraction; cysteine; dyes; environmental science; irradiation; nanocomposites; pH; photocatalysis; photocatalysts; photoluminescence; photolysis; reflectance; response surface methodology; spectral analysis; water treatment
Abstract:
... In this study, L-cysteine (C-N-S triple doped)-TiO₂/Bi₂O₃ visible driven photocatalyst was successfully synthesized and its properties were identified by diffuse reflectance spectra (DRS), photoluminescence spectroscopy (PL), Fourier transform infrared (FT-IR), field emission scanning electron microscopy/energy-dispersive analysis of X-ray (FESEM-EDX), and X-ray diffraction (XRD). The photocatalyt ...
DOI:
10.1007/s13762-021-03516-7

12. Metal Halide Perovskites Demonstrate Radiation Hardness and Defect Healing in Vacuum

Author:
Michael Holland; Anthony Ruth; Kamil Mielczarek; Vivek V. Dhas; Joseph J. Berry; Michael D. Irwin
Source:
ACS applied materials & interfaces 2022 v.14 no.7 pp. 9352-9362
ISSN:
1944-8252
Subject:
X-ray diffraction; density functional theory; hardness; iodides; iodine; ionization; irradiation; lead; temperature
Abstract:
... Herein, we subject formamidinium lead iodide films to oxygen-containing gases (flowing O₂ or free diffusion of lab atmosphere), inert gases (flowing He, Ar, or N₂), and vacuum. Our films are irradiated by Cu Kα X-rays and held at 75 °C while X-ray diffraction is recorded. Under all gas conditions, we observe a reproducible 1.1 ± 0.5 ų perovskite lattice contraction from an initial unit cell volum ...
DOI:
10.1021/acsami.1c24709

13. Nanochitosan/carboxymethyl cellulose/TiO2 biocomposite for visible-light-induced photocatalytic degradation of crystal violet dye

Author:
S. Sugashini; T. Gomathi; R. Aruna Devi; P.N. Sudha; K. Rambabu; Fawzi Banat
Source:
Environmental research 2022 v.204 pp. 112047
ISSN:
0013-9351
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; biocomposites; carboxymethylcellulose; electric current; energy; gentian violet; irradiation; kinetics; light; models; pH; photocatalysis; photocatalysts; research; thermogravimetry; titanium dioxide; wastewater treatment
Abstract:
... Development of novel bionanomaterials for water and wastewater treatment has gained increased attraction and attention in recent times. The present study reports an effective biocomposite-based nano-photocatalyst comprised of nanochitosan (NCS), carboxymethyl cellulose (CMC), and titanium dioxide (TiO₂) synthesized by sol-gel technique. The as-prepared NCS/CMC/TiO₂ photocatalyst was systematically ...
DOI:
10.1016/j.envres.2021.112047

14. Reduction of Fusarium proliferatum growth and fumonisin accumulation by ZnO nanoparticles both on a maize based medium and irradiated maize grains

Author:
G.A. Pena; M.A. Cardenas; M.P. Monge; N. Yerkovich; G.A. Planes; S.N. Chulze
Source:
International journal of food microbiology 2022 v.363 pp. 109510
ISSN:
0168-1605
Subject:
Fusarium proliferatum; X-ray diffraction; antifungal properties; cold; conidia; corn; energy-dispersive X-ray analysis; environmental impact; fluorescence; food microbiology; growth retardation; heat treatment; high performance liquid chromatography; irradiation; mycelium; photocatalysis; plant pathogens; zinc acetate
Abstract:
... This study evaluated the antifungal effect of ZnO nanoparticles (ZnO-NPs) on Fusarium proliferatum growth and fumonisin accumulation both on a maize-based medium (in vitro) and on irradiated maize grains (in situ). The ZnO-NPs were obtained by drop-by-drop synthesis without further thermal treatment and characterized by scanning electronic microscopy/ energy dispersive X-ray spectroscopy (SEM/EDS) ...
DOI:
10.1016/j.ijfoodmicro.2021.109510

15. The effect of UV-B irradiation on structural and functional properties of corn and potato starches and their components

Author:
Magdalena Kurdziel; Maria Łabanowska; Sławomir Pietrzyk; Paulina Pająk; Karolina Królikowska; Artur Szwengiel
Source:
Carbohydrate polymers 2022 v.289 pp. 119439
ISSN:
0144-8617
Subject:
X-ray diffraction; amylopectin; amylose; chromatography; corn; depolymerization; electron paramagnetic resonance spectroscopy; gelatinization; irradiation; oxidation; potatoes; solubility; thermodynamics; viscosity
Abstract:
... In this work, UV-B irradiation, an environmentally friendly modification method, was applied to corn and potato carbohydrates. The influence of irradiation on starch properties was compared with that observed for starch oxidation with NaClO. The changes in the structures of starch carbohydrates were investigated by X-ray diffraction (XRD), electron paramagnetic resonance (EPR) and chromatographic ...
DOI:
10.1016/j.carbpol.2022.119439

16. The structural modification and magnetism of many-layer epitaxial graphene implanted with low-energy light ions

Author:
Alessandro R. Mazza; Anna Miettinen; Zheng Gai; Xiaoqing He; Timothy R. Charlton; Thomas Z. Ward; Matthew Conrad; Guang Bian; Edward H. Conrad; Paul F. Miceli
Source:
Carbon 2022 v.192 pp. 462-472
ISSN:
0008-6223
Subject:
X-radiation; X-ray diffraction; ambient temperature; deuterium; ferromagnetism; graphene; helium; irradiation; neutron diffraction
Abstract:
... Modifying the properties of graphene has gained wide interest for a plethora of potential applications, including spintronics. One approach has demonstrated that proton irradiation can induce ferromagnetism in graphene as well as in graphite. However, little is known about how the protons interact with graphene, the mechanism that creates the ferromagnetism, or whether the protons remain in the gr ...
DOI:
10.1016/j.carbon.2022.02.046

17. Using egg ovalbumin to synthesize pure α-Fe2O3 and cobalt doped α-Fe2O3: structural, morphological, optical and photocatalytic properties

Author:
Soufiane Hmamouchi; Ahmed El Yacoubi; Brahim Chafik El Idrissi
Source:
Heliyon 2022 v.8 no.2 pp. e08953
ISSN:
2405-8440
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; absorbents; adsorption; cobalt; cost effectiveness; crystallites; egg albumen; eggs; endothermy; energy; hematite; hens; irradiation; methylene blue; ovalbumin; pH; photocatalysis; photocatalysts; reaction kinetics; temperature; thermodynamics; thermogravimetry
Abstract:
... Nanoparticles of undoped hematite (α-Fe₂O₃) and Co doped α-Fe₂O₃ were prepared by a simple, green, and cost-efficient process using Co and Fe chlorides and freshly isolated hen egg white. Several techniques of characterization, such as differential thermal and thermogravimetric analysis (DTA/TG), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), EDS analysis, X-ra ...
DOI:
10.1016/j.heliyon.2022.e08953

18. Visible/solar-light driving photocatalytic activity of TiO₂ nanotubes upon coating with phosphotungstate hybrid

Author:
Mehdi Taghdiri; Shahrban Dadari Doolabi
Source:
International journal of environmental analytical chemistry 2022 v.102 no.6 pp. 1261-1277
ISSN:
1029-0397
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; adsorption; analytical chemistry; color; decolorization; energy-dispersive X-ray analysis; irradiation; light; methyl orange; methylene blue; nanotubes; oxidation; photocatalysis; photocatalysts; photolysis; reflectance spectroscopy; solar radiation; titanium dioxide; transmission electron microscopy
Abstract:
... This study introduces coloured titanium dioxide nanotubes by phosphotungstate hybrid as an activated photocatalyst for the degradation of organic pollutants under visible and solar light irradiation. The prepared coloured TiO₂ nanotubes are characterised by Fourier transform infrared spectroscopy, powder X-ray diffraction, diffuse reflectance spectrometry, scanning electron microscopy, energy-disp ...
DOI:
10.1080/03067319.2020.1736055

19. A potential role of green engineered TiO2 nanocatalyst towards enhanced photocatalytic and biomedical applications

Author:
Kawsalya Ramasamy; Sarathikannan Dhavamani; Geetha Natesan; Karthik Sengodan; Senthil-Nathan Sengottayan; Manish Tiwari; Sahi Shivendra Vikram; Venkatachalam Perumal
Source:
Environmental science and pollution research 2021 v.28 no.30 pp. 41207-41223
ISSN:
0944-1344
Subject:
Escherichia coli; Klebsiella pneumoniae; Ludwigia; Proteus vulgaris; Pseudomonas aeruginosa; Staphylococcus aureus; Staphylococcus epidermidis; X-radiation; X-ray diffraction; alizarin; antibacterial properties; antibiotics; antineoplastic activity; apoptosis; biochemical compounds; energy; energy-dispersive X-ray analysis; fabrics; fluorescence; gentian violet; humans; irradiation; leaf extracts; methyl orange; methylene blue; nanocatalysts; neoplasm cells; pathogens; photocatalysis; pollution; reflectance spectroscopy; research; titanium dioxide; toxicity; ultraviolet-visible spectroscopy; uterine cervical neoplasms; viability
Abstract:
... This study demonstrates a simple protocol for phytofabrication of titanium dioxide nanoparticles (TiO₂NPs) wrapped with bioactive molecules from Ludwigia octovalvis leaf extract and their characterization by UV-visible absorption spectroscopy, Fourier transform spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX), X-ray photoelec ...
DOI:
10.1007/s11356-021-13530-4

20. A straightforward synthesis of visible light driven BiFeO3/AgVO3 nanocomposites with improved photocatalytic activity

Author:
Thirugnanam Bavani; Jagannathan Madhavan; Saradh Prasad; Mohamad S. AlSalhi; Mamduh J. AlJaafreh
Source:
Environmental pollution 2021 v.269 pp. 116067
ISSN:
0269-7491
Subject:
X-ray diffraction; coprecipitation; irradiation; lighting; nanocomposites; photocatalysis; photoluminescence; pollution; reflectance spectroscopy; wastewater
Abstract:
... Herein, an efficient visible-light-driven BiFeO₃/AgVO₃ nanocomposite was effectively fabricated via a facile co-precipitation procedure. The physicochemical properties of BiFeO₃/AgVO₃ nanocomposites were investigated via Fourier transform-infrared (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), photoluminescence (PL), UV visible diffuse reflectance spectroscopy (DRS) and photo ...
DOI:
10.1016/j.envpol.2020.116067