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Yogesh Kumar K, Prashanth MK, Shanavaz H, Parashuram L, Alharethy F, Jeon BH, Raghu MS. Novel pyrochlore type europium stannate - tungsten disulfide heterostructure for light driven carbon dioxide reduction and nitrogen fixation. ENVIRONMENTAL RESEARCH 2024; 257:119372. [PMID: 38852832 DOI: 10.1016/j.envres.2024.119372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 04/24/2024] [Accepted: 06/05/2024] [Indexed: 06/11/2024]
Abstract
The reduction of carbon dioxide (CO2) and nitrogen (N2) to value-added products is a substantial area of research in the fields of sustainable chemistry and renewable energy that aims at reducing greenhouse gas emissions and the production of alternative fuels and chemicals. The current work deals with the synthesis of pyrochlore-type europium stannate (Eu2Sn2O7: EuSnO), tungsten disulfide (WS2:WS), and novel EuSnO/WS heterostructure by a simple and facile co-precipitation-aided hydrothermal method. Using different methods, the morphological and structural analyses of the prepared samples were characterized. It was confirmed that a heterostructure was formed between the cubic EuSnO and the layered WS. Synthesized materials were used for photocatalytic CO2 and N2 reduction under UV and visible light. The amount of CO and CH4 evolved due to CO2 reduction is high in EuSnO/WS (CO = 104, CH4 = 64 μmol h-1 g-1) compared to pure EuSnO (CO = 36, CH4 = 70 μmol h-1 g-1) and WS (CO = 22, CH4 = 1.8 μmol h-1 g-1) under visible light. The same trend was observed even in the N2 fixation reaction under visible light, and the amount of NH4+ produced was found to be 13, 26, and 41 μmol h-1 g-1 in the presence of WS, EuSnO and EuSnO/WS, respectively. Enhanced light-driven activity towards CO2 and N2 reduction reactions in EuSnO/WS is due to the efficient charge separation through the formation of type-II heterostructure, which is in part associated with photocurrent response, photoluminescence, and electrochemical impedence spectroscopic (EIS) results. The EuSnO/WS heterostructure's exceptional stability and reusability may pique the attention of pyrochlore-based composite materials in photocatalytic energy and environmental applications.
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Affiliation(s)
- K Yogesh Kumar
- Department of Chemistry, Faculty of Engineering and Technology, Jain University, Bangalore, 562112, India
| | - M K Prashanth
- Department of Chemistry, BNM Institute of Technology, Banashankari, Bangalore, 560070, India
| | - H Shanavaz
- Department of Chemistry, Faculty of Engineering and Technology, Jain University, Bangalore, 562112, India
| | - L Parashuram
- Department of Chemistry, Nitte Meenakshi Institute of Technology, Yelahanka, Bangalore, 560064, India
| | - Fahd Alharethy
- Department of Chemistry, College of Science, King Saud University, 11451 Riyadh, Saudi Arabia
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, 222, Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea.
| | - M S Raghu
- Department of Chemistry, New Horizon College of Engineering, Outer Ring Road, Bangalore, 560103, India.
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Prasanna SB, Kumar GS, Sakthivel R, Shanthakumar KC, Lin LY, Duann YF, Lin YC, Lu YC, Chung RJ. Dual Z-scheme heterojunction Ce 2Sn 2O 7/Ag 3PO 4/V@g-C 3N 4 for increased photocatalytic degradation of the food additive tartrazine, in the presence of persulfate: Kinetics, toxicity, and density functional theory studies. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 356:124196. [PMID: 38788992 DOI: 10.1016/j.envpol.2024.124196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 05/17/2024] [Accepted: 05/20/2024] [Indexed: 05/26/2024]
Abstract
This study involved the synthesis of a Ce2Sn2O7/Ag3PO4/V@g-C3N4 composite through hydrothermal methods, followed by mechanical grinding. The resulting heterojunction exhibited improved catalytic activity under visible light by effectively separating electrons and holes (e-/h+). The degradation of Tartrazine (TTZ) reached 93.20% within 50 min by employing a ternary composite at a concentration of 10 mg L-1, along with 6 mg L-1 of PS. The highest pseudo-first-order kinetic constant (0.1273 min-1 and R2 = 0.951) was observed in this system. The dual Z-scheme heterojunction is developed by Ce2Sn2O7, Ag3PO4, and V@g-C3N4, and it may increase the visible light absorption range while also accelerating charge carrier transfer and separation between catalysts. The analysis of the vulnerability positions and degradation pathways of TTZ involved the utilization of density functional theory (DFT) and gas chromatography-mass spectrometry (GC-MS) to examine the intermediate products. Therefore, Ce2Sn2O7/Ag3PO4/V@g-C3N4 is an excellent ternary nanocomposite for the remediation of pollutants.
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Affiliation(s)
- Sanjay Ballur Prasanna
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | | | - Rajalakshmi Sakthivel
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | | | - Lu-Yin Lin
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | - Yeh-Fang Duann
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan
| | - Yu-Chien Lin
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan; School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Yu-Chun Lu
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan; ZhongSun Co., LTD, New Taipei City 220031, Taiwan
| | - Ren-Jei Chung
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan; High-value Biomaterials Research and Commercialization Center, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan.
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Lu Z, Qin J, Wu C, Yin J, Sun M, Su G, Wang X, Wang Y, Ye J, Liu T, Rao H, Feng L. Dual-channel MIRECL portable devices with impedance effect coupled smartphone and machine learning system for tyramine identification and quantification. Food Chem 2023; 429:136920. [PMID: 37487397 DOI: 10.1016/j.foodchem.2023.136920] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 07/04/2023] [Accepted: 07/16/2023] [Indexed: 07/26/2023]
Abstract
We designed a novel, portable, and visual dual-potential molecularly imprinted ratiometric electrochemiluminescence (MIRECL) sensor for tyramine (TYM) detection based on smartphone and deep learning-assisted optical devices. Molecularly imprinted polymer-Ce2Sn2O7 (MIP-Ce2Sn2O7) layers were fabricated by in-situ electropolymerization method as the capture and signal amplification probe. Oxygen vacancies in Ce2Sn2O7 not only enhance the electrochemical redox capability but also accelerate the energy transfer, thereby enhancing the luminescence of cathode ECL. Under optimal conditions, the ECL signals of MIP-Ce2Sn2O7 at the cathode and the anode response of Ru(bpy)32+ was reduced, thus a wide linear range from 0.01 μM to 1000 μM with the detection limit as low as 0.005 μM. Interestingly, combined with an artificial intelligence image recognition algorithm and the principle of optical signal reading by smartphone, the developed MIRECL sensor has been applied to the portable and visual determination of TYM in aquatic samples, and its practicability has been satisfactorily verified.
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Affiliation(s)
- Zhiwei Lu
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Jun Qin
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Chun Wu
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Jiajian Yin
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Mengmeng Sun
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Gehong Su
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Xianxing Wang
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Yanying Wang
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China
| | - Jianshan Ye
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, PR China
| | - Tao Liu
- College of Information Engineering, Sichuan Agricultural University, Xinkang Road, Yucheng District, Ya'an 625014, PR China.
| | - Hanbing Rao
- College of Science, Sichuan Agricultural University, Xin Kang Road, Yucheng District, Ya'an 625014, PR China.
| | - Lin Feng
- Animal Nutrition Institute, Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu, Sichuan 611130, PR China.
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Yousefzadeh F, Ghanbari M, Salavati-Niasari M. Sonochemical synthesis and characterization of Sm 2CuO 4 nanostructures and their application as visible-light photocatalyst for degradation of water-soluble organic pollutants. CHEMOSPHERE 2023; 338:139564. [PMID: 37467852 DOI: 10.1016/j.chemosphere.2023.139564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 07/15/2023] [Accepted: 07/17/2023] [Indexed: 07/21/2023]
Abstract
In recent years, water contamination has become a significant crisis, and it is crucial to find new materials that can efficiently eliminate these contaminants. The current work presents the Sm2CuO4 nanophotocatalyst for the decolorization of different water-soluble organic contaminants. The fabrication of Sm2CuO4 nanostructures was achieved using a simple and rapid sonochemical pathway, resulting in an optical bandgap of 1.62 eV as determined by diffuse reflectance spectroscopy. Several factors, including different organic contaminants, organic contaminant concentrations, Sm2CuO4 dosages, and the pH of the media, were scrutinized to achieve the best efficiency. The results manifested that Sm2CuO4 was highly effective in removing different organic contaminants from water. For example, when 30 mg of Sm2CuO4 was used with 20 mg L-1 methyl orange under visible irradiation for 100 min, 91.4% of the methyl orange was destroyed. Further investigation revealed that holes (h+) were primarily responsible for pollutant photodegradation when using Sm2CuO4 as a photocatalyst. This finding suggests that Sm2CuO4 could be an excellent candidate for developing new materials to effectively remove water contaminants.
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Affiliation(s)
- Fatemeh Yousefzadeh
- Institute of Nano Science and Nano Technology, University of Kashan, Kashan, P. O. Box. 87317-51167, Iran
| | - Mojgan Ghanbari
- Institute of Nano Science and Nano Technology, University of Kashan, Kashan, P. O. Box. 87317-51167, Iran
| | - Masoud Salavati-Niasari
- Institute of Nano Science and Nano Technology, University of Kashan, Kashan, P. O. Box. 87317-51167, Iran.
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Ji Y, He S, Chen Y, Zhang P, Sun J, Li Y, Kuang K, Jia N. A sensitive dual-signal electrochemiluminescence immunosensor based on Ru(bpy) 32+@HKUST-1 and Ce 2Sn 2O 7 for detecting the heart failure biomarker NT-proBNP. J Mater Chem B 2023; 11:2754-2761. [PMID: 36880334 DOI: 10.1039/d2tb02555h] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
A sensitive dual-signal electrochemiluminescence (ECL) immunosensor was proposed based on Ru(bpy)32+@HKUST-1/TPA and Ce2Sn2O7/K2S2O8 probes for detecting the NT-proBNP biomarker of heart failure. HKUST-1 with a high specific surface area facilitates the loading of more Ru(bpy)32+, effectively improving the anodic signal intensity, while the emerging Ce2Sn2O7 emitter displays a potential-matching cathodic emission with moderate intensity. Two ECL probes were characterized with field emission scanning electron microscopy, X-ray diffraction, XPS, FT-IR spectroscopy and UV-Vis diffuse reflectance spectroscopy. This dual-signal immunosensor has a wide linear range (5 × 10-4-1 × 104 ng mL-1) and a low quantitative detection limit, simultaneously showing high sensitivity, stability and reproducibility, as well as the detection capability of actual serum samples. This dual signal-calibrated immunoassay platform not only reduces the false positive rate of detection results but also provides a promising method for the early diagnosis of heart failure.
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Affiliation(s)
- Yu Ji
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China.
| | - Shuang He
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China.
| | - Yang Chen
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China.
| | - Pei Zhang
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China.
| | - Jing Sun
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China.
| | - Ya Li
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China.
| | - Kaida Kuang
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China.
| | - Nengqin Jia
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, and Shanghai Key Laboratory of Rare Earth Functional Materials, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China.
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6
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Milad Tabatabaeinejad S, Safardoust-Hojaghan H, Ghanbari M, Sh. Majdi H, Abdulnabi SM, Hashim FS, Ghanim Taki A, Salavati-Niasari M. Sonochemical synthesis and characterization of Ho-Cu-O nanostructures and their application as photocatalyst for degradation of water-soluble organic pollutants under UV light. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023] Open
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7
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Jiang T, Wu F, Ren Y, Qiu J, Chen Z. Pyrochlore phase (Y,Dy,Ce,Nd,La)2Sn2O7 as a superb anode material for lithium-ion batteries. J Solid State Electrochem 2023. [DOI: 10.1007/s10008-022-05369-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Facile sonochemical preparation of La2Cu2O5 nanostructures, characterization, the evaluation of performance, mechanism, and kinetics of photocatalytic reactions for the removal of toxic pollutants. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119718] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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9
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Xiunan C, Ling T, Meifei C, Yijun L, Wei W, Junhao L, Yanjuan Z, Gan T, Huayu H, Zuqiang H. Construction of a C-decorated and Cu-doped (Fe,Cu)S/CuFe 2O 4 solid solution for photo-Fenton degradation of hydrophobic organic contaminant: Enhanced electron transfer and adsorption capacity. CHEMOSPHERE 2022; 296:134005. [PMID: 35181432 DOI: 10.1016/j.chemosphere.2022.134005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/20/2022] [Accepted: 02/13/2022] [Indexed: 06/14/2023]
Abstract
To effectively treat the hydrophobic organic contaminant and utilize an industrial solid waste manganese residue (MR), a novel starch-derived carbon (SC)-decorated and Cu-doped (Fe,Cu)S/CuFe2O4 solid solution (CFS/CFO@SC) was prepared from MR via mechanical activation treatment of precursor materials followed by one-step pyrolysis and applied as a photo-Fenton catalyst to treat a hydrophobic organic compound, 17α-ethinylestradiol (EE2). Characterization results showed that the CFS/CFO@SC solid solution with unique crystal and electronic structures exhibited high adsorption capacity and catalytic activity, ascribed to that Cu doping and C decorating enhanced its hydrophobicity and BET surface area. The CFS/CFO@SC showed excellent degradation efficiency with nearly 100% of EE2 removal rate in 40 min (degradation rate constant of 0.112 min-1), and a high mineralization degree with 95.2% of TOC removal in 180 min. This could be ascribed to that C decorating and the formation of CFS/CFO solid solution promoted the charge transfer in a continuous band, resulting in effective separation of photogenerated holes-electrons (h+-e-). The strong interaction of Fe-Cu collaborating with the photoelectron could effectively accelerate the recycle of Fe3+/Fe2+ and Cu2+/Cu+, thus generating more active radicals. Moreover, CFS/CFO@SC showed promising stability and recyclability with the EE2 removal rates all >95% after five cycles. This work brings a valuable approach for the rational design of high-performance Fe-based photo-Fenton catalysts for environmental remediation and the valorization of MR.
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Affiliation(s)
- Cai Xiunan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Tian Ling
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Chen Meifei
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Liu Yijun
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Wang Wei
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Long Junhao
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Zhang Yanjuan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China.
| | - Tao Gan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Hu Huayu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
| | - Huang Zuqiang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China.
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Dang W, Wang W, Xiao L, Ban Z, Tang X, Zhang Y. ZnNi‐MnCo2O4@CNT porous double heterojunction cage‐like structure with three‐dimensional network for superior lithium‐ion batteries and capacitors. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2021.139502] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Zhang Y, Lu D, Kumar Kondamareddy K, Zhang B, Wu Q, Zhou M, Zeng Y, Wang J, Pei H, D N, Hao H, Huang C, Fan H. Controllable preparation and efficient visible-light-driven photocatalytic removal of Cr(VI) using optimized Cd0.5Zn0.5S nanoparticles decorated H-Titanate nanotubes. ADV POWDER TECHNOL 2021. [DOI: 10.1016/j.apt.2021.08.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Khan MS, Ameer H, Chi Y. Label-Free and Ultrasensitive Electrochemiluminescent Immunosensor Based on Novel Luminophores of Ce 2Sn 2O 7 Nanocubes. Anal Chem 2021; 93:3618-3625. [PMID: 33560834 DOI: 10.1021/acs.analchem.0c05315] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In this research article, a novel and simple label-free electrochemiluminescence (ECL) immunosensor using cerium stannite (Ce2Sn2O7) nanocubes as brand-new ECL emitters has been suggested for the first time. Ce2Sn2O7 nanocubes prepared by a simple hydrothermal method displayed bright ECL emission, promising biocompatibility, low noxiousness, and perfect stability. On comparison of ECL and photoluminescence (PL) spectra, a surface-state mechanism was proposed to be involved in the ECL emission. After aminofunctionalization with 3-aminopropyltriethoxysilane (APTES), Ce2Sn2O7 could be decorated with gold nanoparticles through Au-NH2 covalent linkage, which yielded Au@Ce2Sn2O7 nanocomposites and further enhanced the ECL emission. To confirm the proposed immunosensor feasibility, carcinoembryonic antigen (CEA) was employed as an exemplary analyte. Based on the abovementioned points, our fabricated immunosensor improved the ECL performance to CEA concentrations in a linear range of 0.001-70 ng/mL with a low limit of detection of 0.53 pg/mL (S/N = 3). With outstanding stability, reproducibility, and specificity, this method is expected to be an innovative one for sensitive analyses of CEA and other biomarkers in real samples.
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Affiliation(s)
- Malik Saddam Khan
- MOE Key Laboratory of Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, and College of Chemistry, Fuzhou University, Fuzhou 350108, P. R. China
| | - Hafsa Ameer
- MOE Key Laboratory of Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, and College of Chemistry, Fuzhou University, Fuzhou 350108, P. R. China
| | - Yuwu Chi
- MOE Key Laboratory of Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection for Food Safety, and College of Chemistry, Fuzhou University, Fuzhou 350108, P. R. China
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Qiu Q, Zhu P, Liu Y, Liang T, Xie T, Lin Y. Highly efficient In 2S 3/WO 3 photocatalysts: Z-scheme photocatalytic mechanism for enhanced photocatalytic water pollutant degradation under visible light irradiation. RSC Adv 2021; 11:3333-3341. [PMID: 35424291 PMCID: PMC8694021 DOI: 10.1039/d0ra09315g] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 12/26/2020] [Indexed: 12/15/2022] Open
Abstract
A Z-scheme system In2S3/WO3 heterojunction was fabricated via a mild hydrothermal method and further applied for photocatalytic degradation of tetracycline (TCH) and Rhodamine B (Rh B) under visible light irradiation. The morphological structure, chemical composition and optical properties were studied by XRD, SEM, HRTEM and UV-visible absorption spectra. The results revealed that In2S3/WO3 hierarchical structures were successfully constructed, and the prepared In2S3/WO3 photocatalysts exhibited enhanced visible-light absorption compared to pure WO3 nanorods, which are essential to improve the photocatalytic performance. The degradation rate of TCH using the In2S3(40 wt%)/WO3 heterostructure (WI40) photocatalyst was about 212 times and 22 times as high as that for pure WO3 and pure In2S3, respectively. The degradation rate of Rh B with the WI40 photocatalyst was about 56 times the efficiency of pure WO3 and 7.6 times that of pure In2S3. The results of the surface photovoltage (SPV), transient photovoltage (TPV) and reactive oxidation species (ROS) scavenger experiments indicated that the Z-scheme system of In2S3/WO3 is favorable for photoexcited charge transfer at the contact interface of In2S3 and WO3, which benefits the charge separation efficiency and depresses the recombination of photoexcited charge, resulting in favorable photocatalytic pollutant degradation efficiency under visible light irradiation. A Z-scheme system In2S3/WO3 heterojunction was fabricated via a mild hydrothermal method and further applied for photocatalytic degradation of tetracycline (TCH) and Rhodamine B (Rh B) under visible light irradiation.![]()
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Affiliation(s)
- Qingqing Qiu
- College of Rare Earths, Jiangxi University of Science and Technology Ganzhou 341000 P. R. China
| | - Peng Zhu
- College of Rare Earths, Jiangxi University of Science and Technology Ganzhou 341000 P. R. China
| | - Yao Liu
- Faculty of Materials Metallurgy and Chemistry, Jiangxi University of Science and Technology Ganzhou 341000 P. R. China
| | - Tongxiang Liang
- College of Rare Earths, Jiangxi University of Science and Technology Ganzhou 341000 P. R. China
| | - Tengfeng Xie
- College of Chemistry, Jilin University Changchun 130012 P. R. China
| | - Yanhong Lin
- College of Chemistry, Jilin University Changchun 130012 P. R. China
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Yin Q, Cao Z, Wang Z, Zhai J, Li M, Guan L, Fan B, Liu W, Shao G, Xu H, Wang H, Zhang R, Lu H. Z-scheme TiO 2@Ti 3C 2/Cd 0.5Zn 0.5S nanocomposites with efficient photocatalytic performance via one-step hydrothermal route. NANOTECHNOLOGY 2021; 32:015706. [PMID: 33043907 DOI: 10.1088/1361-6528/abb72f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Photocatalytic degradation of pollutants has been proved to be an effective strategy for wastewater treatment. Herein, TiO2 nanoparticles were synthesized on a Ti3C2 matrix by in situ growth, forming Z-scheme TiO2@Ti3C2/Cd0.5Zn0.5S (TO/CZS) multilevel structured nanocomposites via one-step hydrothermal route. The effects of hydrothermal temperature and Cd0.5Zn0.5S content on microstructure and properties of composites were assessed. TO/CZS nanocomposites were probed into phase composition, morphological and optical properties with x-ray diffractometer, infrared radiation, scanning electron microscope and UV-vis reflective spectra. Following the hydrothermal reaction at 160 °C for 12 h, TiO2 nanoparticles of 30 nm in diameter were generated in situ on Ti3C2 lamina and Cd0.5Zn0.5S particles were evenly distributed on the Ti3C2 matrix. The photocatalytic activity of TO/CZS composites were evaluated, which found that degradation rate constant (k = 0.028 min-1) of TO/CZS-40 on Rhodamine B was 5.19 times that of pure TiO2 and 4.48 times that of Cd0.5Zn0.5S. Through anchoring Ti3C2 as an electron transition mediator and combination with TiO2 and Cd0.5Zn0.5S, the new Z-scheme between TiO2 oxidized by Ti3C2 and Cd0.5Zn0.5S establishes a multilevel structure of separating electron-hole pairs. This work demonstrates a valid way to control electrons and hole transfer directions efficiently through designing multilevel semiconductor structural designs.
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Affiliation(s)
- Qiao Yin
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001 People's Republic of China
| | - Zhenzhen Cao
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001 People's Republic of China
| | - Zhiyuan Wang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001 People's Republic of China
| | - Jiaming Zhai
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001 People's Republic of China
| | - Mingliang Li
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001 People's Republic of China
| | - Li Guan
- Zhengzhou University of Aeronautics, Zhengzhou 450015 People's Republic of China
| | - Bingbing Fan
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001 People's Republic of China
| | - Wen Liu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001 People's Republic of China
| | - Gang Shao
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001 People's Republic of China
| | - Hongliang Xu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001 People's Republic of China
| | - Hailong Wang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001 People's Republic of China
| | - Rui Zhang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001 People's Republic of China
- Zhengzhou University of Aeronautics, Zhengzhou 450015 People's Republic of China
| | - Hongxia Lu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001 People's Republic of China
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15
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Belousov AS, Suleimanov EV, Fukina DG. Pyrochlore oxides as visible light-responsive photocatalysts. NEW J CHEM 2021. [DOI: 10.1039/d1nj04439g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This perspective describes the use of pyrochlore oxides in photocatalysis with focus on the strategies to enhance their activity.
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Affiliation(s)
- Artem S. Belousov
- Lobachevsky State University of Nizhny Novgorod, Research Institute for Chemistry, Gagarin Avenue 23, Nizhny Novgorod, 603950, Russian Federation
| | - Evgeny V. Suleimanov
- Lobachevsky State University of Nizhny Novgorod, Research Institute for Chemistry, Gagarin Avenue 23, Nizhny Novgorod, 603950, Russian Federation
| | - Diana G. Fukina
- Lobachevsky State University of Nizhny Novgorod, Research Institute for Chemistry, Gagarin Avenue 23, Nizhny Novgorod, 603950, Russian Federation
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16
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Qi Y, Peng H. One-pot synthesis of La2O3-decorated Mg-Al oxides nanosheets for solar-light driven photocatalytic activity. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125316] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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17
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Zheng X, Dong Y, Liu T. Simultaneous photodegradation of dyes by NiS/CuS-CdS composites in visible light region. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124854] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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18
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Jayaraman V, Ayappan C, Palanivel B, Mani A. Bridging and synergistic effect of the pyrochlore like Bi 2Zr 2O 7 structure with robust CdCuS solid solution for durable photocatalytic removal of the organic pollutants. RSC Adv 2020; 10:8880-8894. [PMID: 35496567 PMCID: PMC9050022 DOI: 10.1039/d0ra00644k] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 02/17/2020] [Indexed: 11/21/2022] Open
Abstract
Herein, a strong redox ability photocatalyst of CdCuS solid solution composited with pyrochlore like Bi2Zr2O7 has been fabricated by the simple hydrothermal method. The robust CdCuS solid solution materials perform the supporting role to the Bi2Zr2O7 nano materials. The structural, optical, valence and vibrational states of the prepared heterostructure materials were analyzed using various characterization techniques. The photocatalytic activity of the as-synthesized Bi2Zr2O7/CdCuS heterostructure has been verified under direct solar light and ambient conditions. The synthesized Bi2Zr2O7/CdCuS nano combination exhibits a better photocatalytic activity for the removal of methylene blue and 4-nitrophenol organic probe molecules. The heterostructure formation between the samples is confirmed by HRTEM analysis. The improved rate of the photocatalytic reaction of the samples is attributed to the formation of heterostructures at the interface. The close interfacial contact between the two materials discloses the effective charge transfer, which leads to suppressed charge carrier recombination. The enhanced photo catalytic activity of redox-mediator-free-Bi2Zr2O7/CdCuS heterostructure, possibly will be credited to the robust redox ability and the several charge transfer channels in the tight contact. The chief radicals produced in the catalytic reduction reaction have been predicted by the scavenger trapping methods and the results are discussed in detail. The obtained information from this study on Bi2Zr2O7/CdCuS delivers some new visions for the design of active photocatalysts with multiple benefits. Photocatalytic degradation mechanism for CdCuS solid solution supported pyrochlore like Bi2Zr2O7.![]()
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Affiliation(s)
- Venkatesan Jayaraman
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology Kattankulathur Kancheepuram 603203 Tamil Nadu India
| | - Chinnadurai Ayappan
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology Kattankulathur Kancheepuram 603203 Tamil Nadu India
| | - Baskaran Palanivel
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology Kattankulathur Kancheepuram 603203 Tamil Nadu India
| | - Alagiri Mani
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology Kattankulathur Kancheepuram 603203 Tamil Nadu India
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19
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Li M, Li J, Jin Z. 0D/2D spatial structure of CdxZn1−xS/Ni-MOF-74 for efficient photocatalytic hydrogen evolution. Dalton Trans 2020; 49:5143-5156. [DOI: 10.1039/d0dt00271b] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A novel zero-dimensional/two-dimensional CdxZn1−xS/Ni-MOF-74 (CZS/NMF) heterojunction was rationally constructed via a simple hydrothermal and physical mixing method.
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Affiliation(s)
- Mei Li
- School of Chemistry and Chemical Engineering
- North Minzu University
- Yinchuan 750021
- P.R. China
- Ningxia Key Laboratory of Solar Chemical Conversion Technology
| | - Junke Li
- School of Chemistry and Chemical Engineering
- North Minzu University
- Yinchuan 750021
- P.R. China
- Ningxia Key Laboratory of Solar Chemical Conversion Technology
| | - Zhiliang Jin
- School of Chemistry and Chemical Engineering
- North Minzu University
- Yinchuan 750021
- P.R. China
- Ningxia Key Laboratory of Solar Chemical Conversion Technology
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