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1. Effect of reduction pretreatments on PdAg/Al2O3 for HCHO and CO oxidation

Author:
Liwei Meng; Xue Han; Lian Yu; Yafei Wang
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 371-378
ISSN:
1001-0742
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; active oxygen species; catalytic activity; desorption; oxidation; oxygen; particle size; temperature; transmission electron microscopy; China
Abstract:
... PdAg/Al₂O₃ were pretreated by CO and H₂ reduction pretreatments, respectively. The reduced catalysts were tested for HCHO and CO oxidation and characterized by Brunner Emmet Teller (BET), X-ray diffraction (XRD), transmission electron microscopy (TEM), X‐ray photoelectron spectroscopy (XPS) and oxygen temperature programmed desorption (O₂-TPD). These results indicate that the pretreatments have ef ...
DOI:
10.1016/j.jes.2021.08.051

2. One-step preparation of MoOx/ZnS/ZnO composite and its excellent performance in piezocatalytic degradation of Rhodamine B under ultrasonic vibration

Author:
Song Zheng; Xiaojing Li; Jiayu Zhang; Junfeng Wang; Chunran Zhao; Xin Hu; Ying Wu; Yiming He
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 1-13
ISSN:
1001-0742
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; adsorption; catalysts; catalytic activity; dielectric spectroscopy; pH; rhodamines; surface area; transmission electron microscopy; ultrasonics; vibration; China
Abstract:
... This paper synthesized a new type of ternary piezoelectric catalyst MoOₓ/ZnS/ZnO (MZZ) by a one-step method. The catalytic degradation of Rhodamine B (RhB) solution (10 μg/g, pH = 7.0) shows that the composite catalyst has excellent piezoelectric catalytic activity under ultrasonic vibration (40 kHz). The piezoelectric degradation rate of the optimal sample reached 0.054 min⁻¹, which was about 2.5 ...
DOI:
10.1016/j.jes.2021.10.028

3. 2D/2D Schottky heterojunction of in-situ growth FAPbBr3/Ti3C2 composites for enhancing photocatalytic CO2 reduction

Author:
Meidan Que; Weihua Cai; Yang Zhao; Yawei Yang; Boyue Zhang; Sining Yun; Jin Chen; Gangqiang Zhu
Source:
Journal of colloid and interface science 2022 v.610 pp. 538-545
ISSN:
0021-9797
Subject:
X-ray photoelectron spectroscopy; absorption; carbon dioxide; climate; deionization; ethyl acetate; nanosheets; photocatalysis; photocatalysts; photoluminescence; photosynthesis; value added
Abstract:
... Mimicking the natural photosynthesis process to convert carbon dioxide into value-added chemicals is vital to solving both the climate crisis worldwide and the depletion of fossil fuels. Herein, we explore the synthesis of 2D FAPbBr₃ nanoplate combined with 2D Ti₃C₂ nanosheet to form a 2D/2D FAPbBr₃/Ti₃C₂ Schottky heterojunction using facile hot-injection and in-situ growth approaches. The Schottk ...
DOI:
10.1016/j.jcis.2021.11.094

4. A High-Performance Guanidinium-Based Aqueous Biphasic System for Green Separation of Palladium from Acid Solution

Author:
Guiping Zhu; Xiaoyu Ma; Qilan Huang; Lingling Zhao; Ru Zhang; Xiangjun Yang; Shixiong Wang
Source:
ACS sustainable chemistry & engineering 2022 v.10 no.4 pp. 1633-1643
ISSN:
2168-0485
Subject:
Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; anion exchange; cations; electrostatic interactions; entropy; green chemistry; guanidinium; hydrazine; ionic liquids; nuclear magnetic resonance spectroscopy; pH; palladium; phosphates; temperature
Abstract:
... Aqueous biphasic extraction with an ionic liquid is an excellent strategy for separating multiple substances. In this work, a green aqueous two-phase system (ATPS) composed of a guanidinium ionic liquid (GIL) and phosphate was constructed and used to extract palladium from an acidic solution. The influences of important parameters, including the species and concentration of the GIL and salt, initi ...
DOI:
10.1021/acssuschemeng.1c07528

5. A Highly Active In Situ Zn(CH₃COO)₂-NC Catalyst for the Acetoxylation of Acetylene

Author:
Zhuang Xu; Xunchao Zhang; Mengli Li; Xugen Wang; Mingyuan Zhu; Bin Dai
Source:
Industrial & engineering chemistry process design and development 2022 v.61 no.3 pp. 1313-1321
ISSN:
1520-5045
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; acetic acid; acetylene; catalysts; computer software; process design; reaction mechanisms; thermogravimetry; transmission electron microscopy; zinc
Abstract:
... A new catalyst, in situ Zn(CH₃COO)₂-NC, is prepared by a facile in situ generation method. With impregnation, drying, and high-temperature treatment, the precursor was obtained and then activated by acetic acid, generating Zn(OAc)₂-iNC catalyst in situ. According to X-ray diffraction, high-resolution transmission electron microscopy, thermogravimetric analysis, X-ray photoelectron spectroscopy, an ...
DOI:
10.1021/acs.iecr.1c04182

6. A Superior and Stable Electrocatalytic Oxygen Evolution Reaction by One-Dimensional FeCoP Colloidal Nanostructures

Author:
Lakshya Kumar; Bindu Antil; Ankur Kumar; Manash R. Das; Sasanka Deka
Source:
ACS applied materials & interfaces 2022 v.14 no.4 pp. 5468-5477
ISSN:
1944-8252
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; adsorption; catalytic activity; durability; infrared spectroscopy; metalloids; nanorods; oxygen production; phosphides; voltammetry
Abstract:
... Transition metal phosphides (TMPs) are expected to be excellent electrocatalysts for oxygen evolution reaction (OER) because of their high stability, highly conducting metalloid nature, highly abundant constituting elements, and the ability to act as a precatalyst due to in situ surface-formed oxy-hydroxide species. Herein, a “one-pot” colloidal approach has been used to develop a rod-shaped one-d ...
DOI:
10.1021/acsami.1c23014

7. A chromia-based sorbent for the enrichment of phosphotyrosine

Author:
Abdullah Alhendal; Mohammad Rashad; Ali Husain; Fouzi Mouffuok; Ali Bumajdad
Source:
Journal of chromatography 2022 v.1671 pp. 462991
ISSN:
0021-9673
Subject:
Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; chromatography; chromic oxide; solid phase extraction; sorbents; transmission electron microscopy; zeta potential
Abstract:
... Developing of new core@shell particles (CSPs) bearing metal oxides on their outer surfaces is of a great interest. Such hybrid systems have many benefits, i.e., low cost, operation simplicity, chemical stability and tunability along with simple recoverability and reusability that make them suitable as dispersive solid phase extraction (DSPE) sorbents for selecting/extracting different types of mol ...
DOI:
10.1016/j.chroma.2022.462991

8. A comprehensive study on simultaneous enhancement of sludge dewaterability and elimination of polycyclic aromatic hydrocarbons by Fe2+ catalyzing O3 process

Author:
Yanting Dong; Haiping Yuan; Lu Bai; Dongdong Ge; Nanwen Zhu
Source:
Science of the total environment 2022 v.819 pp. 152015
ISSN:
0048-9697
Subject:
Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; dewatering; environment; flocculation; hydrophilicity; hydrophobicity; iron; nuclear magnetic resonance spectroscopy; oxidation; polymers; sludge; surface roughness; water content
Abstract:
... Simultaneous removal of polycyclic aromatic hydrocarbons (PAHs) in the process of enhancement of sludge dewaterability via oxidation of hydroxyl radicals (•OH) and flocculation of Fe³⁺ by Fe²⁺-catalyzing O₃ were investigated as a novel research focus. The results showed that capillary suction time (CST) and water content of dewatered sludge cake (Wc) were reduced from 57.9 s and 85.1% to 13.6 s an ...
DOI:
10.1016/j.scitotenv.2021.152015

9. A facile chemical synthesis of nanoflake NiS₂ layers and their photocatalytic activity

Author:
Mohammed M. Gomaa; Mohamed H. Sayed; Mahmoud S. Abdel-Wahed; Mostafa Boshta
Source:
RSC advances 2022 v.12 no.17 pp. 10401-10408
ISSN:
2046-2069
Subject:
X-ray photoelectron spectroscopy; ammonia; nickel; pH; phenol; photocatalysis; photolysis; pollutants; reflectance spectroscopy; solar radiation; synthesis
Abstract:
... A single-phase and crystalline NiS₂ nanoflake layer was produced by a facile and novel approach consisting of a two-step growth process. First, a Ni(OH)₂ layer was synthesized by a chemical bath deposition approach using a nickel precursor and ammonia as the starting solution. In a second step, the obtained Ni(OH)₂ layer was transformed into a NiS₂ layer by a sulfurization process at 450 °C for 1 ...
DOI:
10.1039/d2ra01067d

10. A highly selective and sensitive electrochemical sensor for dopamine based on a functionalized multi-walled carbon nanotube and poly(N-methylaniline) composite

Author:
Chatrawee Direksilp; Johannes M. Scheiger; Nuttha Ariyasajjamongkol; Anuvat Sirivat
Source:
Analytical methods 2022 v.14 no.4 pp. 469-479
ISSN:
1759-9679
Subject:
Fourier transform infrared spectroscopy; Raman spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; ascorbic acid; calibration; carbon nanotubes; detection limit; dopamine; humans; neurotransmitters; oxidation; sensors (equipment); uric acid; urine; voltammetry
Abstract:
... Dopamine (DA) is an important neurotransmitter used for diagnosing various diseases from its abnormal concentrations in human fluids. Herein, an electrochemical sensor based on a composite of re-doped poly(N-methylaniline) (rePNMA) and modified multi-walled carbon nanotubes (fMWCNTs), termed fMWCNT-rePNMA, was developed to measure DA concentration. The successful modification of the fMWCNT surface ...
DOI:
10.1039/d1ay01943k

11. A phosphorus-containing imidazole derivative towards the liquid oxygen compatibility and toughness of epoxy resin

Author:
Huihuan Wang; Chuan Li; Zhuang Hou; Bolun Li; Haopeng Cai
Source:
RSC advances 2022 v.12 no.12 pp. 7046-7054
ISSN:
2046-2069
Subject:
X-ray photoelectron spectroscopy; epoxides; imidazole; impact strength; liquids; oxygen; phosphorus; polymers; pyrolysis; thermal stability
Abstract:
... In order to develop a liquid oxygen-compatible (LOX-compatible) matrix resins for polymer-based fiber-reinforced composites, a novel phosphorus-containing imidazole derivative called VAD containing multifunctional groups was synthesized and used as a co-curing agent for epoxy resin (EP) with simultaneous LOX-compatibility and mechanical improvement. A phosphorus group was introduced into the EP to ...
DOI:
10.1039/d1ra09049f

12. A review on morphology, nanostructure, chemical composition, and number concentration of diesel particulate emissions

Author:
Sahil Rana; Mohit Raj Saxena; Rakesh Kumar Maurya
Source:
Environmental science and pollution research 2022 v.29 no.11 pp. 15432-15489
ISSN:
0944-1344
Subject:
X-ray absorption spectroscopy; X-ray photoelectron spectroscopy; chemical composition; human health; industry; particulates; pollution; research; toxicity
Abstract:
... Particulate matter (PM) emitted from compression ignition (CI) engines (diesel engines) has a detrimental effect on human health and the environment. The physical and chemical characteristics of PM emitted from CI-engines are influenced by engine operating conditions and fuel properties. The morphology, nanostructure, and chemical composition of PM affect its toxicity and interaction with the envi ...
DOI:
10.1007/s11356-021-15999-5

13. 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

14. Activation of peroxymonosulfate by ZIFs derived Fe/Cu encapsulated N-doped carbon for bisphenol A degradation: The role of N doping

Author:
Feng-ping Hu; Peng Zhan; Lanlan Long; Jianhua Zhu; Gaoping Xu; Xiaoming Peng
Source:
Chemosphere 2022 v.293 pp. 133455
ISSN:
0045-6535
Subject:
Raman spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; bisphenol A; carbon; catalysts; human health; pH; transmission electron microscopy
Abstract:
... Bisphenol A (BPA) is a typical kind of endocrine disruption chemical, which has a negative effect on human health, and thus it is necessary to remove BPA from water. Herein, activation of peroxymonosulfate (PMS) by Fe, Cu-Coordinated ZIF-Derived Carbon Framework bifunctional catalyst (Fe/Cu@NC-x) fabricated via hydrothermal-calcination method for BPA removal. The physicochemical properties of Fe/C ...
DOI:
10.1016/j.chemosphere.2021.133455

15. Activation of the MoS₂ Basal Plane to Enhance CO Hydrogenation to Methane Activity Through Increasing S Vacancies

Author:
Qiang Wang; Xin Li; Xinbin Ma; Zhenhua Li; Yunxia Yang
Source:
ACS applied materials & interfaces 2022 v.14 no.6 pp. 7741-7755
ISSN:
1944-8252
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; acidolysis; activation energy; active sites; ammonium; catalysts; density functional theory; energy; hydrogenation; methane; methane production; temperature; transmission electron microscopy
Abstract:
... The active site of MoS₂ is usually located at the edge of crystalline MoS₂, which has a lower proportion than that from the basal plane, limiting the hydrogenation activity. Therefore, activating the basal plane of MoS₂ is expected to greatly enhance the hydrogenation activity. Herein, we prepared a series of MoS₂ catalysts by acidolysis of ammonium tetrathiomolybdate and subsequently pyrolyzing a ...
DOI:
10.1021/acsami.1c18291

16. Adsorption desulfurization performance of PdO/SiO2@graphene oxide hybrid aerogel: Influence of graphene oxide

Author:
Jiacheng Xu; Bo Zhang; Yongkang Lu; Leigang Wang; Wanyi Tao; Xiao Teng; Wensheng Ning; Zekai Zhang
Source:
Journal of hazardous materials 2022 v.421 pp. 126680
ISSN:
0304-3894
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; adsorption; aerogels; cyclohexenes; desulfurization; graphene oxide; heat production; hydrophobicity; kinetics; pyridines; sol-gel processing; solvents; surface area; thiophene; toluene
Abstract:
... Preparation of PdO/SiO₂@graphene oxide (GO) hybrid aerogels were carried out sol-gel method combined with atmospheric drying technology to study their adsorption performance for thiophenics and compared with PdO/SiO₂. Scanning electron microscope (SEM), N₂ adsorption-desorption isotherms, X-ray diffraction (XRD) analysis, X-ray photoelectron spectroscopy (XPS), and fourier transformation infrared ...
DOI:
10.1016/j.jhazmat.2021.126680

17. Adsorptive removal of sulfosalicylic acid from aqueous medium by iron(III)-loaded magnetic chitosan/graphene oxide

Author:
Mingyu Liu; Qiong Liu; Zhongyang Zang; Runping Han
Source:
Journal of colloid and interface science 2022 v.606 pp. 1249-1260
ISSN:
0021-9797
Subject:
X-ray photoelectron spectroscopy; adsorbents; adsorption; aqueous solutions; chitosan; desorption; graphene oxide; heat production; hydrogen; iron; kinetics; magnetism; microstructure; sorption isotherms
Abstract:
... In this study, an iron(III)-loaded magnetic chitosan/graphene oxide composite (Fe-MCG) was synthesized and applied for the adsorptive removal of sulfosalicylic acid (SSA) in aqueous solution. The results obtained from the application of various characterization techniques such as scanning electron microscopy (SEM), vibrating-sample magnetometry (VSM), and X-ray photoelectron spectroscopy (XPS) pro ...
DOI:
10.1016/j.jcis.2021.08.097

18. Advances in RF Glow Discharge Optical Emission Spectrometry Characterization of Intrinsic and Boron-Doped Diamond Coatings

Author:
Dhananjay K. Sharma; Ana V. Girão; Patrick Chapon; Miguel A. Neto; Filipe J. Oliveira; Rui F. Silva
Source:
ACS applied materials & interfaces 2022 v.14 no.5 pp. 7405-7416
ISSN:
1944-8252
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; affordability; boron; carbon; crystal structure; electrical conductivity; hydrogen; interferometry
Abstract:
... Accurate determination of the effective doping range within diamond thin films is important for fine-tuning of electrical conductivity. Nevertheless, it is not easily attainable by the commonly adopted techniques. In this work, pulsed RF glow discharge optical emission spectrometry (GD-OES) combined with ultrafast sputtering (UFS) is applied for the first time to acquire elemental depth profiles o ...
DOI:
10.1021/acsami.1c20785

19. Aging of microplastics increases their adsorption affinity towards organic contaminants

Author:
Kartik Bhagat; Ana C. Barrios; Kimya Rajwade; Abhishek Kumar; Jay Oswald; Onur Apul; François Perreault
Source:
Chemosphere 2022 v.298 pp. 134238
ISSN:
0045-6535
Subject:
Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; adsorption; computed tomography; food chain; hydrogen peroxide; krypton; methylene blue; microplastics; oxidation; phenanthrenes; polyethylene; polypropylenes; surface area; zeta potential
Abstract:
... When released in the environment, microplastics undergo surface weathering due to mechanical abrasion and ultraviolet exposure. In this study, the adsorption of two model contaminants, phenanthrene and methylene blue, by weathered high density polyethylene (HDPE) and polypropylene (PPE) was evaluated to understand how the microplastics’ aging influences contaminant adsorption. Microplastics were a ...
DOI:
10.1016/j.chemosphere.2022.134238

20. Amine- and thiol-bifunctionalized mesoporous silica material for immobilization of Pb and Cd: Characterization, efficiency, and mechanism

Author:
Ni Tang; Xue Liu; Meng-Ru Jia; Xin-Yao Shi; Jing-Wei Fu; Dong-Xing Guan; Lena Q. Ma
Source:
Chemosphere 2022 v.291 pp. 132771
ISSN:
0045-6535
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; pH; polluted soils; porous media; silica; sorbents; sorption; sorption isotherms; surface area; thiols; toxicity; transmission electron microscopes; water pollution
Abstract:
... In this study, a two-step functionalizing strategy by combining co-condensation with grafting procedures was employed to synthesize well-ordered Amino- and Thiol-Bifunctionalized SBA-15 (ATBS) mesoporous silica. Its physicochemical properties, performance, and mechanisms in immobilization of toxic metals Pb and Cd in water and soil were investigated. After bi-functionalization, X-ray diffractomete ...
DOI:
10.1016/j.chemosphere.2021.132771

21. Ammonium persulfate treatment on carbohydrate polymers and lignin of wood improved sound absorption capacity

Author:
Haradhan Kolya; Kazuharu Hashitsume; Chun-Won Kang
Source:
International journal of biological macromolecules 2022 v.205 pp. 626-637
ISSN:
0141-8130
Subject:
Homalium; X-ray diffraction; X-ray photoelectron spectroscopy; absorbance; absorption; acoustics; air; ammonium persulfate; cellulose; hardwood; hemicellulose; lignin; oxygen; permeability; quantitative analysis
Abstract:
... The rational design of sound absorption boards made of wood materials is an exciting area of research. This article describes a simple and inexpensive method to increase the sound absorptions capacity of Malas hardwood (Homalium foetidum Roxb.) using ammonium persulfate treatment. The reaction parameters such as the concentration of ammonium persulfate and reaction time were optimized. The results ...
DOI:
10.1016/j.ijbiomac.2022.02.075

22. Amorphous cobalt oxide decorated halloysite nanotubes for efficient sulfamethoxazole degradation activated by peroxymonosulfate

Author:
Zhuang He; Huaisheng Wang; Meng Li; Ligang Feng; Jianrui Niu; Zaixing Li; Xiuxiu Jia; Guangzhi Hu
Source:
Journal of colloid and interface science 2022 v.607 pp. 857-868
ISSN:
0021-9797
Subject:
X-ray photoelectron spectroscopy; antibiotics; atomic absorption spectrometry; catalysts; cobalt; cobalt oxide; electron paramagnetic resonance spectroscopy; halloysite; liquid chromatography; mass spectrometry; nanotubes; organic matter; pH; sulfamethoxazole; wastewater treatment
Abstract:
... In this study, a new hollow nanotube material, 30% Co–CHNTs was prepared by the impregnation–chemical reduction–calcination method. This material can be used as a peroxymonosulfate (PMS) activator to catalyse the degradation of sulfamethoxazole (SMX). The best reaction conditions that correspond to the degradation rate of SMX, up to 97.5%, are as follows: the concentration of SMX is 10 mg L⁻¹, the ...
DOI:
10.1016/j.jcis.2021.08.168

23. An efficient and green method to separate iron and manganese from ferromanganese ore by suspension magnetization roasting and magnetic separation

Author:
Pengfei Liu; Shuai Yuan; Yongsheng Sun; Yuexin Han; Peng Gao; Yanjun Li
Source:
Powder technology 2022 v.402 pp. 117359
ISSN:
0032-5910
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; hematite; iron; magnetic separation; magnetism; magnetite; manganese
Abstract:
... Despite the rich reserves of ferromanganese ore, it can only be discarded as waste rock due to the difficulty of its development and the unavailability of conventional methods. In this study, suspension magnetization roasting (SMR) and low-intensity magnetic separation (LIMS) were used to process ferromanganese ore. Under the optimum conditions, magnetic products with an iron grade of 69.66% at an ...
DOI:
10.1016/j.powtec.2022.117359

24. Antimicrobial peptide GL13K immobilized onto SLA-treated titanium by silanization: antibacterial effect against methicillin-resistant Staphylococcus aureus (MRSA)

Author:
Yusang Li; Ruiying Chen; Fushi Wang; Xinjie Cai; Yining Wang
Source:
RSC advances 2022 v.12 no.11 pp. 6918-6929
ISSN:
2046-2069
Subject:
Escherichia coli; Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; antibacterial properties; antimicrobial peptides; bacterial infections; cell structures; contact angle; hydrophilicity; methicillin-resistant Staphylococcus aureus; silane; titanium
Abstract:
... Infection is the main reason for implant failure, and the incidence of drug-resistant bacterial infection has increased in recent years. Further, methicillin-resistant Staphylococcus aureus (MRSA)-related implant infection has become a serious worldwide threat. New strategies, other than antibiotics, to tackle drug-resistance, are of high clinical significance. Antimicrobial peptides show clear su ...
DOI:
10.1039/d1ra04974g

25. Aqueous synthesis of N-heterocyclic carbene-protected gold nanoclusters with intrinsic antibacterial activity

Author:
Qing Wu; Rui Peng; Fang Gong; Yufeng Luo; Hean Zhang; Qianling Cui
Source:
Colloids and surfaces 2022 v.645 pp. 128934
ISSN:
0927-7757
Subject:
Candida albicans; Escherichia coli; Gram-negative bacteria; Gram-positive bacteria; Staphylococcus aureus; X-ray photoelectron spectroscopy; antibacterial properties; carbenes; cell walls; heterocyclic nitrogen compounds; hydrophilicity; ligands; nanogold; nuclear magnetic resonance spectroscopy; reactive oxygen species; stabilizers
Abstract:
... N-Heterocyclic carbene (NHC) is regarded as a versatile ligand to stabilize gold nanoclusters (AuNCs) via forming strong Au-C bonds. However, reports on NHC-protected AuNCs are rare, especially in aqueous systems. Herein, we present a facile one-step approach to fabricate hydrophilic AuNCs in an aqueous medium using a NHC-based ligand as both a reducing agent and stabilizer. The coordination mecha ...
DOI:
10.1016/j.colsurfa.2022.128934

26. Arsenic(iii) removal from aqueous solution using TiO₂-loaded biochar prepared by waste Chinese traditional medicine dregs

Author:
Yan Yang; Ruixue Zhang; Shiwan Chen; Jian Zhu; Pan Wu; Jiayan Huang; Shihua Qi
Source:
RSC advances 2022 v.12 no.13 pp. 7720-7734
ISSN:
2046-2069
Subject:
Gibbs free energy; Oriental traditional medicine; X-ray diffraction; X-ray photoelectron spectroscopy; adsorbents; adsorption; aqueous solutions; arsenic; biochar; biosorbents; free radicals; models; oxidation; pH; photocatalysis; remediation; titanium dioxide
Abstract:
... Oxidation of As(iii) to As(v) is an effective way to improve the performance of most arsenic removal technologies. In this study, a new alternative biosorbent, TiO₂-loaded biochar prepared by waste Chinese traditional medicine dregs (TBC) was applied in remediation for As(iii) from aqueous solution. Compared with unmodified biochar, the specific surface areas and total pore volumes of TBC increase ...
DOI:
10.1039/d1ra08941b

27. Beneficial impact of incorporating spinel lithium manganate and samarium oxide into high performance positive materials through ultrasonic cavitation strategy

Author:
Bao Zhang; Yannan Zhang; Bowen Zhu; Jianguo Duan; Xue Li; Xiaoyuan Zeng; Zheng Lian; Rui Gong; Kai Zhou; Zhengwu Wang; Yifeng Gao; Peng Dong; Yingjie Zhang
Source:
Colloids and surfaces 2022 v.646 pp. 128985
ISSN:
0927-7757
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; electrochemistry; electrolytes; energy; lithium; manganese; samarium; transmission electron microscopy; ultrasonics
Abstract:
... Spinel LiMn₂O₄ (LMO) positive material has the advantage of a robust structure with a three-dimensional network of channels for fast Li⁺ conduction, which is one of the hot topics in the zero-cobalt electrodes field of new energy technology. Nonetheless, the spinel LiMn₂O₄ has serious transition metal dissolution as well as phase/surface stability problems, resulting in unsatisfactory cycle perfor ...
DOI:
10.1016/j.colsurfa.2022.128985

28. Bimetallic modified halloysite particle electrode enhanced electrocatalytic oxidation for the degradation of sulfanilamide

Author:
Jiaqi Bu; Zhiwei Deng; Hui Liu; Tianhao Li; Yanjing Yang; Shian Zhong
Source:
Journal of environmental management 2022 v.312 pp. 114975
ISSN:
0301-4797
Subject:
X-radiation; X-ray photoelectron spectroscopy; aniline; electrochemistry; electrodes; electron paramagnetic resonance spectroscopy; environmental management; halloysite; mass spectrometry; oxidation; phenol; sulfanilamide; ultra-performance liquid chromatography; wastewater; water treatment
Abstract:
... The treatment of antibiotics wastewater by electrocatalytic oxidation has attracted much attention. In the paper, a novel halloysite bimetallic (HLS-Cu-Mn) particle electrode material was prepared and a bench-scale electrocatalytic reaction tank was designed. A three-dimensional electrocatalytic oxidation reactor composed of HLS-Cu-Mn and a bench-scale electrocatalytic reaction tank was used to de ...
DOI:
10.1016/j.jenvman.2022.114975

29. Bio-based arginine surface-modified ammonium polyphosphate: an efficient intumescent flame retardant for epoxy resin

Author:
Chen Cheng; Yi Wang; Yanling Lu; Shaojie Li; Hua Li; Jun Yan; Shiguo Du
Source:
RSC advances 2022 v.12 no.15 pp. 9223-9237
ISSN:
2046-2069
Subject:
Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; ammonium polyphosphates; arginine; calorimeters; carbon; carbonization; cation exchange; epoxides; fire safety; flame retardants; glass transition temperature; heat; nuclear magnetic resonance spectroscopy; oxygen; smoke; sustainable technology; thermogravimetry
Abstract:
... In this work, ammonium polyphosphate (APP) was surface-modified by bio-based arginine (Arg) for the first time to enhance its flame retardance for fire-safety epoxy resin (EP). The structure of Arg modified APP (Arg-APP) was characterized by Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), ¹H nuclear magnetic resonance (¹H-NMR), and scanning electron microsco ...
DOI:
10.1039/d1ra09459a

30. Bioinspired Phosphorylcholine Coating for Surface Functionalization of Interventional Biomedical Implants with Bacterial Resistance and Anti-Encrustation Properties

Author:
Yifu Qian; Jing Zhao; Long Liu; Hao Hu; Bo Wang; Hongyu Zhang
Source:
Langmuir 2022 v.38 no.11 pp. 3597-3606
ISSN:
1520-5827
Subject:
Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; atomic force microscopy; biofilm; lubrication; phosphorylcholine; polyurethanes; tissues; transmission electron microscopy; wettability; zwitterions
Abstract:
... Enhancing the lubrication property and bacterial resistance is extremely important for interventional biomedical implants to avoid soft tissue damage and biofilm formation. In this study, a zwitterionic phosphorylcholine coating (PMPC) was successfully developed to achieve surface functionalization of a polyurethane (PU)-based ureteral stent via subsurface “grafting from” photopolymerization. Typi ...
DOI:
10.1021/acs.langmuir.2c00263

31. Bioreduction performance of Cr(VI) by microbial extracellular polymeric substances (EPS) and the overlooked role of tryptophan

Author:
Xianxin Luo; Xiaoyu Zhou; Chengyi Peng; Penghui Shao; Feng Wei; Shujing Li; Ting Liu; Liming Yang; Lin Ding; Xubiao Luo
Source:
Journal of hazardous materials 2022 v.433 pp. 128822
ISSN:
0304-3894
Subject:
X-ray photoelectron spectroscopy; aquatic environment; chromium; electron paramagnetic resonance spectroscopy; gold; heavy metals; pH; polymers; reducing agents; silver; tandem mass spectrometry; tryptophan
Abstract:
... Extracellular polymeric substances (EPS) have exhibited promising advantages in mitigating heavy metal contamination, e.g., single-valent silver (Ag(I)), trivalent gold (Au(III)), and hexavalent chromium (Cr(VI)). However, knowledge of the specific substrate in EPSs that supports Cr(VI) reduction has remained elusive. Here, we isolated a novel Cr(VI)-reducing strain with self-mediating properties ...
DOI:
10.1016/j.jhazmat.2022.128822

32. Bisphenol S degradation via persulfate activation under UV-LED using mixed catalysts: Synergistic effect of Cu–TiO2 and Zn–TiO2 for catalysis

Author:
Yanlin Zhang; Wei Chu
Source:
Chemosphere 2022 v.286 pp. 131797
ISSN:
0045-6535
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; bisphenol S; electron paramagnetic resonance spectroscopy; gels; hydrolysis; pH; photocatalysis; photocatalysts; synergism; transmission electron microscopes; wastewater treatment
Abstract:
... A photocatalyst composed of Zn–TiO₂ and Cu–TiO₂ through simple physical mixing was used to activate persulfate(PS) for Bisphenol S (BPS) degradation. Zn–TiO₂ and Cu–TiO₂ were prepared with a sol gel method and were characterized by X-ray diffraction (XRD), Raman, Transmission electron microscope (TEM), Fourier-transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS). The t ...
DOI:
10.1016/j.chemosphere.2021.131797

33. CO adsorption on Co(0001) revisited: High-coverage CO superstructures on the close-packed surface of cobalt

Author:
C.J. Weststrate; J.W. Niemantsverdriet
Source:
Journal of catalysis 2022 v.408 pp. 142-154
ISSN:
0021-9517
Subject:
X-ray photoelectron spectroscopy; absorption; adsorption; ambient temperature; catalysts; catalytic activity; cobalt; desorption; diagnostic techniques; energy; enthalpy; infrared spectroscopy; occupations; phase transition
Abstract:
... The adsorbate overlayer structures formed by CO on highly covered Co(0001) were investigated using temperature programmed desorption, low energy electron diffraction, reflection absorption infrared spectroscopy and synchrotron-based x-ray photoemission spectroscopy, with the purpose to clarify some recent confusion on CO adsorption at high coverages. TPD shows that the coverage of the (2√3 × 2√3)R ...
DOI:
10.1016/j.jcat.2022.03.005

34. Carbon matrix of biochar from biomass modeling components facilitates electron transfer from zero-valent iron to Cr(VI)

Author:
Jian Zhang; Xianni Yang; Jun Shi; Mingyue Zhao; Weiqin Yin; Xiaozhi Wang; Shengsen Wang; Changai Zhang
Source:
Environmental science and pollution research 2022 v.29 no.16 pp. 24309-24321
ISSN:
0944-1344
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; biochar; biomass; cellulose; chromium; coprecipitation; corrosion; electrical conductivity; electrochemistry; electron transfer; feedstocks; graphene; hematite; hemicellulose; iron; lignin; lignin content; lignocellulose; nitrogen; pollution; pyrolysis; research; sorption
Abstract:
... Biochar-harbored zero-valent iron (ZVI/BC) has been extensively used to detoxify hexavalent chromium (Cr(VI)). However, the role played by biochar in promoting electron transfer of ZVI and Cr(VI) reduction was not fully uncovered. Herein, three biomass modeling components (cellulose, hemicellulose, and lignin) and their blends were utilized to synthesize ZVI/BC via co-pyrolysis with hematite. X-ra ...
DOI:
10.1007/s11356-021-17713-x

35. Cesium Loaded on an Al-Modified Silica Support Catalyst for Methyl Acrylate Synthesis by Aldol Condensation of Methyl Acetate and Formaldehyde

Author:
Tingting Yan; Senlin Deng; Ran Ran; Chunshan Li; Jie Li; Guoliang Zhang
Source:
Industrial & engineering chemistry process design and development 2022 v.61 no.7 pp. 2748-2758
ISSN:
1520-5045
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; acetates; catalysts; catalytic activity; cesium; condensation reactions; desorption; formaldehyde; process design; silica; surface area
Abstract:
... An Al-modified silica-supported cesium catalyst was prepared by an incipient wetness impregnation method for the gas-phase aldol condensation reaction of methyl acetate and formaldehyde. The effect of the Al-modified silica support on the structure, specific surface area, and the acid property was studied using X-ray diffraction, Fourier transform infrared spectroscopy, N₂ adsorption–desorption, N ...
DOI:
10.1021/acs.iecr.1c04460

36. Characteristics of dissolved ozone flotation for the enhanced treatment of bio-treated drilling wastewater from a gas field

Author:
Xin Jin; Lei Zhang; Mengwen Liu; Shiyi Hu; Zhuodi Yao; Jingwen Liang; Rui Wang; Lu Xu; Xuan Shi; Xue Bai; Pengkang Jin; Xiaochang C. Wang
Source:
Chemosphere 2022 v.298 pp. 134290
ISSN:
0045-6535
Subject:
X-ray photoelectron spectroscopy; carbon; fractionation; hydrophilicity; hydrophobicity; organic matter; ozone; reverse osmosis; turbidity; wastewater; wastewater treatment; water reuse
Abstract:
... Working fluid preparation using treated drilling wastewater is of great potential for drilling wastewater reuse, especially in water-deficient and ecologically fragile areas, which require low levels of organic matter and suspended solids (SS). This study established the dissolved ozone flotation (DOF) process as the advanced treatment process to replace the original electrocatalytic system (ECS) ...
DOI:
10.1016/j.chemosphere.2022.134290

37. Chitosan functionalized with N,N-(2-aminoethyl)pyridinedicarboxamide for selective adsorption of gold ions from wastewater

Author:
Shuai Wang; Hao Wang; Jiali Tang; Yingbi Chen; Shixing Wang; Libo Zhang
Source:
International journal of biological macromolecules 2022 v.194 pp. 781-789
ISSN:
0141-8130
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; adsorbents; adsorption; chelation; chitosan; endothermy; energy-dispersive X-ray analysis; gold; nuclear magnetic resonance spectroscopy; pH; sorption isotherms; temperature; wastewater; zeta potential
Abstract:
... The recovery of gold from wastewater has always been a research hotspot. Here, a novel chitosan-based adsorbent (CS-DPDM) was successfully synthesized by functionalizing chitosan with (N, N-(2-aminoethyl))-2,6-pyridinedicarboxamide. The adsorbent was analyzed by fourier transform infrared spectroscopy (FT-IR), nuclear magnetic resonance spectroscopy (¹H NMR), scanning electron microscope (SEM), en ...
DOI:
10.1016/j.ijbiomac.2021.11.125

38. Chromium transformation driven by iron redox cycling in basalt-derived paddy soil with high geological background values

Author:
Ke Zhang; Yang Yang; Wenting Chi; Guojun Chen; Yanhong Du; Shiwen Hu; Fangbai Li; Tongxu Liu
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 470-479
ISSN:
1001-0742
Subject:
X-ray photoelectron spectroscopy; chromium; crystallization; drainage; kinetics; organic matter; oxidation; paddies; paddy soils; soil aggregation; transmission electron microscopy; China
Abstract:
... The flooding and drainage of paddy fields has great effects on the transformation of heavy metals, however, the transformation of Cr in basalt-derived paddy soil with high geological background values was less recognized. The typical basalt-derived paddy soil was incubated under alternating redox conditions. The Cr fractions and the dynamics of Fe/N/S/C were examined. The HCl-extractable Cr increa ...
DOI:
10.1016/j.jes.2021.12.013

39. Co-hydrothermal carbonization of cellulose, hemicellulose, and protein with aqueous phase recirculation: Insight into the reaction mechanisms on hydrochar formation

Author:
Tonggui Liu; HuiTing Jiao; Longsheng Yang; Weijin Zhang; Yingbing Hu; Yonghao Guo; Lihong Yang; Songqi Leng; Jiefeng Chen; Jie Chen; Haoyi Peng; Lijian Leng; Wenguang Zhou
Source:
Energy 2022 v.251 pp. 123965
ISSN:
0360-5442
Subject:
Maillard reaction; X-ray photoelectron spectroscopy; carbonization; cellulose; energy; furans; heterocyclic nitrogen compounds; hydrochars; oxygen; wheat straw; xylan
Abstract:
... Co-hydrothermal carbonization (Co-HTC) coupled with aqueous phase (AP) recirculation has huge potential to improve hydrochar production. In this study, three model compounds, namely wheat straw cellulose (cellulose, Ce), xylan (hemicellulose, He), and soya-protein (protein, Pr), were processed by HTC individually or Co-HTC in combination, with or without AP recirculation. Hydrochar formation behav ...
DOI:
10.1016/j.energy.2022.123965

40. Cobalt-ferrite/Ag-fMWCNT hybrid nanocomposite catalyst for efficient degradation of synthetic organic dyes via peroxymonosulfate activation

Author:
M.O. Abdel-Salam; Taeho Yoon
Source:
Environmental research 2022 v.205 pp. 112424
ISSN:
0013-9351
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; carbon nanotubes; catalytic activity; decolorization; energy-dispersive X-ray analysis; liquid chromatography; magnetism; mass spectrometry; methyl orange; methylene blue; nanocatalysts; nanocomposites; nitrogen; pH; research; rhodamines; sulfates; transmission electron microscopy; wastewater treatment
Abstract:
... The activation of peroxymonosulfate (PMS) by nanocatalysts has shown promise as an effective wastewater treatment protocol. Magnetic CoFe₂O₄/Ag-nanoparticles (NPs) anchored on functionalized multiwalled carbon nanotubes (fMWCNTs), a support material, were synthesized using a one-pot solvothermal method. The surface morphologies and physicochemical properties of the CoFe₂O₄/Ag-fMWCNT hybrid nanocom ...
DOI:
10.1016/j.envres.2021.112424

41. Combinatorial Screening of Cu–W Oxide-Based Photoanodes for Photoelectrochemical Water Splitting

Author:
Svenja Baues; Heinrich Vocke; Lena Harms; Konstantin K. Rücker; Michael Wark; Gunther Wittstock
Source:
ACS applied materials & interfaces 2022 v.14 no.5 pp. 6590-6603
ISSN:
1944-8252
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; electric current; electric potential difference; electrochemistry; metal ions; oxygen production; photocatalysts; photovoltaic cells; voltammetry
Abstract:
... Metal oxide libraries for photoanodes for the oxygen evolution reaction (OER) were generated by printing a metal salt solution in an array layout, followed by calcination to yield 22 ternary metal oxide systems. The libraries included a ternary metal cation system based on CuWO₄ with one out of eight transition or posttransition metal ions Cr, Mn, Fe, Co, Ni, Zn, Bi, and Ga in different overall at ...
DOI:
10.1021/acsami.1c20837

42. Comparative study on characteristics and mechanism of levofloxacin adsorption on swine manure biochar

Author:
Zhirou Wang; Hyun Min Jang
Source:
Bioresource technology 2022 v.351 pp. 127025
ISSN:
0960-8524
Subject:
Fourier transform infrared spectroscopy; Raman spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; adsorption; biochar; comparative study; hydrogen bonding; hydrophobicity; levofloxacin; pig manure; pyrolysis; surface area; technology; temperature
Abstract:
... This study evaluated the relationship between pyrolysis temperature (300–900 ℃), characteristics of swine manure (SM)-derived biochar (BC), and its adsorption of levofloxacin (LEV). The surface structure and chemistry of SM-derived BCs were characterized using Brunauer-Emmett-Teller analysis, scanning electron microscopy, Fourier-transform infrared spectroscopy, X-ray diffraction, Raman spectrosco ...
DOI:
10.1016/j.biortech.2022.127025

43. Constructing Heterostructured Bimetallic Selenides on an N-Doped Carbon Nanoframework as Anodes for Ultrastable Na-Ion Batteries

Author:
Fei Huang; Lei Wang; Decai Qin; Zhibin Xu; Meiqi Jin; Yu Chen; Xianxiang Zeng; Zhihui Dai
Source:
ACS applied materials & interfaces 2022 v.14 no.1 pp. 1222-1232
ISSN:
1944-8252
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; anodes; carbon; electrochemistry; longevity; selenides; transmission electron microscopy; transportation
Abstract:
... Transition-metal selenides have been recognized as a class of promising anode materials for sodium-ion batteries (SIBs) on account of their high capacity. Nevertheless, the sluggish conversion kinetics and rapid capacity decay caused by insufficient conductivity and volume change restrain their applications. Herein, hollow heterostructured bimetallic selenides embedded in an N-doped carbon nanofra ...
DOI:
10.1021/acsami.1c21934

44. 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

45. Contradictory tendency of As(V) releasing from Fe–As complexes: Influence of organic and inorganic anions

Author:
Zhonglan Yang; Nan Zhang; Benhua Sun; Shiming Su; Yanan Wang; Yang Zhang; Cuixia Wu; Xibai Zeng
Source:
Chemosphere 2022 v.286 pp. 131469
ISSN:
0045-6535
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; arsenates; citrates; ferrihydrite; inositols; ligands; oxalates; phosphates; silicates; sulfates
Abstract:
... The strong ability of ferrihydrite and its aged minerals for fixing arsenate is a key factor in remediating arsenate-polluted environments. It is therefore crucial to clarify the stability of Fe–As complexes and the release conditions for As(V). The As(V) release amount was evaluated and compared in the presence of six representative anions, namely, phosphate, silicate, sulfate, inositol hexaphosp ...
DOI:
10.1016/j.chemosphere.2021.131469

46. Controllable and facile preparation of Co₉S₈–Ni₃S₂ heterostructures embedded with N,S,O-tri-doped carbon for electrocatalytic oxidation of 5-hydroxymethylfurfural

Author:
Yibin Zhang; Zhimin Xue; Xinhui Zhao; Baolong Zhang; Tiancheng Mu
Source:
Green chemistry 2022 v.24 no.4 pp. 1721-1731
ISSN:
1463-9270
Subject:
X-ray photoelectron spectroscopy; carbon; cost effectiveness; electrochemistry; electron transfer; green chemistry; hydroxymethylfurfural; oxidation; pyrolysis
Abstract:
... Electrochemical oxidation of 5-hydroxymethylfurfural (HMF) into 2,5-furandicarboxylic acid (FDCA) is a highly promising strategy for producing biomass-based valuable chemicals. Exploration of robust and cost-effective electrocatalysts for HMF oxidation is of significant importance. Here, we proposed a facile and controllable strategy for the preparation of carbon-based heterostructures by direct p ...
DOI:
10.1039/d1gc04499k

47. Copper removal kinetic from electroplating industry wastewater using pulsed electrodeposition technique

Author:
Thayane Carpanedo de Morais Nepel; Josiel Martins Costa; Melissa Gurgel Adeodato Vieira; Ambrósio Florêncio de Almeida Neto
Source:
Environmental technology 2022 v.43 no.4 pp. 469-477
ISSN:
1479-487X
Subject:
X-radiation; X-ray photoelectron spectroscopy; cupric oxide; electrochemistry; electroplating; environmental technology; equations; industrial wastewater; mathematical models; reaction kinetics; temperature
Abstract:
... This study presents a kinetic determination of copper removal from a real jewelry industry wastewater, with removal reaching 82.49% at 37°C, using fast galvanic pulse electrochemical technique in a process lasting 115 min. In the temperature range from 20 to 40°C, the mathematical model of the pseudo-first-order irreversible rate equation, with a correlation coefficient of 0.99, described the proc ...
DOI:
10.1080/09593330.2020.1793005

48. Core–shell Pd–P@Pt–Ni nanoparticles with enhanced activity and durability as anode electrocatalyst for methanol oxidation reaction

Author:
Jiangbin Guo; Man Zhang; Jing Xu; Jun Fang; Shuiyuan Luo; Chaolong Yang
Source:
RSC advances 2022 v.12 no.4 pp. 2246-2252
ISSN:
2046-2069
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; alloys; anodes; catalytic activity; durability; electrochemistry; methanol; nickel; oxidation; surface area
Abstract:
... Pd–P@Pt–Ni core–shell nanoparticles, which consisted of a Pd–P alloy as a core and Pt–Ni thin layer as a shell, were explored as electrocatalysts for methanol oxidation reaction. The crystallographic information and the electronic properties were fully investigated by X-ray diffraction and X-ray photoelectron spectroscopy. In the methanol electrooxidation reaction, the particles showed high cataly ...
DOI:
10.1039/d1ra07998k

49. Cr-metal-organic framework coordination with ZnIn2S4 nanosheets for photocatalytic reduction of Cr(VI)

Author:
Lu Zhang; Jianhao Qiu; Dingliang Dai; Yichen Zhou; Xi Liu; Jianfeng Yao
Source:
Journal of cleaner production 2022 v.341 pp. 130891
ISSN:
0959-6526
Subject:
X-ray photoelectron spectroscopy; aerogels; cellulose; models; nanosheets; photocatalysis; remediation; wavelengths; zeta potential
Abstract:
... MIL-101(Cr)@ZnIn₂S₄ hierarchical heterojunction was delicately designed and fabricated through the in-situ growth of ZnIn₂S₄ on MIL-101 and electrostatic self-assembly. It is affirmed that the Cr–S interface bonding between MIL-101 and ZnIn₂S₄ in their composite was established based on the characterization results of X-ray photoelectron spectroscopy, Raman and zeta potential. Thus, a high-speed c ...
DOI:
10.1016/j.jclepro.2022.130891

50. Dataset for the synthesis, characterisation and application of cobalt and nitrogen co-doped TiO2anatase nanoparticles on triclosan photodegradation using visible LED light

Author:
Olga Ferreira; Olinda C. Monteiro; Ana M. Botelho do Rego; Ana M. Ferraria; Mary Batista; Elisabete R. Silva
Source:
Data in Brief 2022 v.40 pp. 107696
ISSN:
2352-3409
Subject:
Legionella pneumophila; X-ray photoelectron spectroscopy; antimicrobial properties; cobalt; data collection; decontamination; energy; irradiation; nitrogen; photocatalysts; photolysis; reflectance; remediation; surface area; triclosan; ultraviolet radiation
Abstract:
... The growing threat of emerging waterborne contaminants is a global concern, fuelled in part by the ineffectiveness of current remediation strategies. One of the most prominent remediation strategies is catalytic photodegradation, particularly with TiO₂ nanoparticles (NPs), but its full utilization is hampered by using only UV radiation, which is scarce in sunlight. To fully benefit from the sunlig ...
DOI:
10.1016/j.dib.2021.107696