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Kim H, Lee J, Kong H, Park T, Kim TS, Yang H, Yeo J. Laser-Printed Photoanode: Femtosecond Laser-Induced Crystalline Phase Transformation of WO 3 Nanorods for Space-Efficient and Flexible Thin-Film Solar Water-Splitting Cells. Small 2024:e2402051. [PMID: 38733227 DOI: 10.1002/smll.202402051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Revised: 05/02/2024] [Indexed: 05/13/2024]
Abstract
Despite its potential for clean hydrogen harvesting, photoelectrochemical (PEC) water-splitting cells face challenges in commercialization, particularly related its harvesting performance and productivity at an industrial scale. Herein, a facile fabrication method of flexible thin-film photoanode for PEC water-splitting to overcome these limitations, based on laser processing technologies, is proposed. Laser-induced graphene, a carbon structure produced through direct laser writing carbonization (DLWC), plays a dual role: a flexible and stable current collector and a substrate for the hydrothermal synthesis of tungsten trioxide (WO3) nanorods (NRs). To facilitate water-splitting, a femtosecond-pulsed laser (fs laser) is focused on the WO3 NRs, converting their crystalline phase from pristine orthorhombic to monoclinic structure without thermal damage. With NiFe layered double hydroxide (LDH) catalyst, the flexible thin-film photoanode exhibits good PEC performance (1.46 mA cm-2 at 1.23 VRHE) and retains ≈90% of its performance after 3000 bending cycles. With its excellent mechanical properties, the flexible photoanode can be operated in various shapes with different curvatures, enabling space-efficient PEC water-splitting by loading larger photoanode within a given space. This study is expected to contribute to the advancement of large-scale solar water-splitting cells, introducing a new approach to enhance H2/O2 production and expand its application range.
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Affiliation(s)
- Hyeonwoo Kim
- Novel Applied Nano Optics Lab, Department of Physics, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea
| | - Jehoon Lee
- Novel Applied Nano Optics Lab, Department of Physics, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea
| | - Heejung Kong
- Novel Applied Nano Optics Lab, Department of Physics, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea
| | - Taeuk Park
- Novel Applied Nano Optics Lab, Department of Physics, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea
| | - Tae Sung Kim
- Novel Applied Nano Optics Lab, Department of Physics, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea
| | - Haechang Yang
- Novel Applied Nano Optics Lab, Department of Physics, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea
| | - Junyeob Yeo
- Novel Applied Nano Optics Lab, Department of Physics, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea
- Department of Hydrogen & Renewable Energy, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea
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Zhang Y, Ma H, Chen X, Wang W, Li F, Qiang T, Shen Y, Cong Y. CQDs improved the photoelectrocatalytic performance of plasma assembled WO 3/TiO 2-NRs for bisphenol A degradation. J Hazard Mater 2023; 443:130250. [PMID: 36327831 DOI: 10.1016/j.jhazmat.2022.130250] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 10/07/2022] [Accepted: 10/22/2022] [Indexed: 06/16/2023]
Abstract
Carbon quantum dots (CQDs) have been supported on WO3/TiO2-NRs using a hydrothermal method and a novel CQDs/WO3/TiO2-NRs composite formed via dielectric barrier discharge. The composite electrodes were characterized using morphology, structural, optical and electrochemical analysis. The CQDs were successfully prepared on the composite electrode with the highest photocurrent density reaching 2.51 mA·cm-2 under UV-visible light irradiation (100 mW·cm-2) and an applied voltage of 0.6 V vs. Ag/AgCl. The CQDs/WO3/TiO2-NRs electrode exhibited a good degradation effect toward bisphenol A (BPA) (75.66 %) combined with the production of hydrogen (0.89 mmol) in Na2SO4 system after 2 h of the photoelectrocatalytic (PEC) reaction and the BPA degradation rate reached 100 % after 7 min of reaction in both simulated and real seawater. The CQDs/WO3/TiO2-NRs exhibited excellent stability and efficient PEC performance in which the CQDs acted as electron reservoirs to capture and promote charge separation. Our analysis of intermediates of BPA degradation indicated the possible degradation pathways that mainly formed BPA polymers in the Na2SO4 system or chlorinated compounds in the high chloride salt system.
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Affiliation(s)
- Yi Zhang
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Hao Ma
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Xinwei Chen
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Wenbin Wang
- Huzhou South Taihu Environmental Protection & Technology Development Co., Ltd., Huzhou 313000, China
| | - Fangying Li
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Tao Qiang
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Yiping Shen
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Yanqing Cong
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China.
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Chai Y, Feng Y, Zhang K, Li J. Preparation of Fluorescent Carbon Dots Composites and Their Potential Applications in Biomedicine and Drug Delivery-A Review. Pharmaceutics 2022; 14:pharmaceutics14112482. [PMID: 36432673 PMCID: PMC9697445 DOI: 10.3390/pharmaceutics14112482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 11/11/2022] [Accepted: 11/14/2022] [Indexed: 11/19/2022] Open
Abstract
Carbon dots (CDs), a new member of carbon nanostructures, rely on surface modification and functionalization for their good fluorescence phosphorescence and excellent physical and chemical properties, including small size (<10 nm), high chemical stability, biocompatibility, non-toxicity, low cost, and easy synthesis. In the field of medical research on cancer (IARC), CDs, a new material with unique optical properties as a photosensitizer, are being applied to heating local apoptosis induction of cancer cells. In addition, imaging tools can also be combined with a drug to form the nanometer complex compound, the imaging guidance for multi-function dosage, so as to improve the efficiency of drug delivery, which also plays a big role in genetic diagnosis. This paper mainly includes three parts: The first part briefly introduces the synthesis and preparation of carbon dots, and summarizes the advantages and disadvantages of different preparation methods; The second part introduces the preparation methods of carbon dot composites. Finally, the application status of carbon dot composites in biomedicine, cancer theranostics, drug delivery, electrochemistry, and photocatalysis is summarized.
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Affiliation(s)
- Yaru Chai
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450000, China
| | - Yashan Feng
- Advanced Functional Materials Laboratory, Zhengzhou Railway Vocational & Technical College, Zhengzhou 450000, China
| | - Kun Zhang
- School of Life Science, Zhengzhou University, Zhengzhou 450000, China
- Correspondence: (K.Z.); (J.L.); Tel.: +86-185-3995-6211 (J.L.)
| | - Jingan Li
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450000, China
- Correspondence: (K.Z.); (J.L.); Tel.: +86-185-3995-6211 (J.L.)
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Wang J, Zhou T, Zhang Y, Li L, Zhou C, Bai J, Li J, Zhu H, Zhou B. Type-II Heterojunction CdIn 2S 4/BiVO 4 Coupling with CQDs to Improve PEC Water Splitting Performance Synergistically. ACS Appl Mater Interfaces 2022; 14:45392-45402. [PMID: 36179059 DOI: 10.1021/acsami.2c12618] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Bismuth vanadate (BiVO4) has been considered as a promising photoelectrocatalytic (PEC) semiconductor, but suffers from severe hole recombination, attributed to the short hole-diffusion length and the low carrier mobility. Herein, a type-II heterojunction CdIn2S4/BiVO4 is designed to improve the photocurrent density from 1.22 (pristine BiVO4) to 2.68 mA cm-2 at 1.23 V vs the reversible hydrogen electrode (RHE), accelerating the bulk separation of photogenerated carriers by the built-in field from the matched energy band. With the introduction of CQDs, CQDs/CdIn2S4/BiVO4 increases the photocurrent density to 4.84 mA cm-2, enhancing the light absorption and cathodically shifting its onset potential, due to the synergetic effect of the heterojunction and CQDs. Compared with BiVO4, CQDs/CdIn2S4/BiVO4 promotes the bulk separation efficiency to 94.6% and the surface injection efficiency to 72.2%. Additionally, spin-coating of FeOOH on CQDs/CdIn2S4/BiVO4 could further improve the PEC performance and keep a long stability for water splitting. The density function theory (DFT) calculations illustrated that the type-II heterojunction CdIn2S4/BiVO4 could decrease the oxygen evolution reaction (OER) overpotential and accelerate bulk charge separation for the built-in field of the aligned band structure.
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Affiliation(s)
- Jiachen Wang
- School of Environmental Science and Engineering, Key Laboratory of Thin Film and Microfabrication Technology (Ministry of Education), Shanghai Jiao Tong University, Shanghai200240, P. R. China
| | - Tingsheng Zhou
- School of Environmental Science and Engineering, Key Laboratory of Thin Film and Microfabrication Technology (Ministry of Education), Shanghai Jiao Tong University, Shanghai200240, P. R. China
| | - Yan Zhang
- School of Environmental Science and Engineering, Key Laboratory of Thin Film and Microfabrication Technology (Ministry of Education), Shanghai Jiao Tong University, Shanghai200240, P. R. China
| | - Lei Li
- School of Environmental Science and Engineering, Key Laboratory of Thin Film and Microfabrication Technology (Ministry of Education), Shanghai Jiao Tong University, Shanghai200240, P. R. China
| | - Changhui Zhou
- School of Environmental Science and Engineering, Key Laboratory of Thin Film and Microfabrication Technology (Ministry of Education), Shanghai Jiao Tong University, Shanghai200240, P. R. China
| | - Jing Bai
- School of Environmental Science and Engineering, Key Laboratory of Thin Film and Microfabrication Technology (Ministry of Education), Shanghai Jiao Tong University, Shanghai200240, P. R. China
| | - Jinhua Li
- School of Environmental Science and Engineering, Key Laboratory of Thin Film and Microfabrication Technology (Ministry of Education), Shanghai Jiao Tong University, Shanghai200240, P. R. China
| | - Hong Zhu
- University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai200240, P. R. China
| | - Baoxue Zhou
- School of Environmental Science and Engineering, Key Laboratory of Thin Film and Microfabrication Technology (Ministry of Education), Shanghai Jiao Tong University, Shanghai200240, P. R. China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai200092, P. R. China
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Li C, Jing H, Wu Z, Jiang D. Layered Double Hydroxides for Photo(electro)catalytic Applications: A Mini Review. Nanomaterials (Basel) 2022; 12:nano12193525. [PMID: 36234654 PMCID: PMC9565588 DOI: 10.3390/nano12193525] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 09/25/2022] [Accepted: 10/05/2022] [Indexed: 05/16/2023]
Abstract
Chemical energy conversion strategies by photocatalysis and electrocatalysis are promising approaches to alleviating our energy shortages and environmental issues. Due to the 2D layer structure, adjustable composition, unique thermal decomposition and memory properties, abundant surface hydroxyl, and low cost, layered double hydroxides (LDHs) have attracted extensive attention in electrocatalysis, photocatalysis, and photoelectrocatalysis. This review summarizes the main structural characteristics of LDHs, including tunable composition, thermal decomposition and memory properties, delaminated layer, and surface hydroxyl. Next, the influences of the structural characteristics on the photo(electro)catalytic process are briefly introduced to understand the structure-performance correlations of LDHs materials. Recent progress and advances of LDHs in photocatalysis and photoelectrocatalysis applications are summarized. Finally, the challenges and future development of LDHs are prospected from the aspect of structural design and exploring structure-activity relationships in the photo(electro)catalysis applications.
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Affiliation(s)
- Cheng Li
- School of Physics and Electronic Sciences, Changsha University of Science and Technology, Changsha 410114, China
| | - Huihua Jing
- Hunan Provincial Institute of Product and Goods Quality Inspection, Changsha 410116, China
| | - Zhong Wu
- Tianjin Key Laboratory of Composite and Functional Materials, Key Laboratory of Advanced Ceramics and Machining Technology (Ministry of Education), School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
- Correspondence: (Z.W.); (D.J.)
| | - Denghui Jiang
- School of Physics and Electronic Sciences, Changsha University of Science and Technology, Changsha 410114, China
- Hunan Provincial Key Laboratory of Flexible Electronic Materials Genome Engineering, Changsha University of Science and Technology, Changsha 410114, China
- Hunan Province Higher Education Key Laboratory of Modeling and Monitoring on the Near-Earth Electromagnetic Environments, Changsha University of Science and Technology, Changsha 410114, China
- Correspondence: (Z.W.); (D.J.)
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Wang Z, Zhang L, Zhang K, Lu Y, Chen J, Wang S, Hu B, Wang X. Application of carbon dots and their composite materials for the detection and removal of radioactive ions: A review. Chemosphere 2022; 287:132313. [PMID: 34592206 DOI: 10.1016/j.chemosphere.2021.132313] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/17/2021] [Accepted: 09/18/2021] [Indexed: 05/18/2023]
Abstract
Radioactive ions with high-heat release or long half-life could cause long-term influence on environment and they might enter the food chain to damage human body for their toxicity and radioactivity. It is of great importance to develop methods and materials to detect and remove radioactive ions. Carbon dots and their composite materials has been applied widely in many fields due to their plentiful raw materials, facile synthesis and functional process, unique optical property and abundant functional groups. This comprehensive review focuses on the preparation of CDs and composite materials for the detection and adsorption of radioactive ions. Firstly, the recent-developed synthetic methods for CDs were summarized briefly, including hydrothermal/solvothermal, microwave, electrochemistry, microplasma, chemical oxidation methods, focusing on the influence of CDs properties. Secondly, the synthetic methods for CDs composite materials were classified to four categories and summarized generally. Thirdly, the application of CDs for radioactive ions detection and adsorption were explored and concluded including uranium, iodine, europium, strontium, samarium et al. Finally, the detection and adsorption mechanism for radioactive ions were searched and the perspective and outlook of CDs for detection and adsorption radioactive ions have been proposed based on our understanding.
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Affiliation(s)
- Zhe Wang
- The MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, PR China; College of Life Science, Shaoxing University, Shaoxing, 312000, PR China
| | - Lingyu Zhang
- The MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, PR China
| | - Kangjie Zhang
- The MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, PR China
| | - Yuexiang Lu
- Institute of Nuclear and New Energy Technology, Tsinghua University, Haidian District, Beijing, 100084, PR China.
| | - Jing Chen
- Institute of Nuclear and New Energy Technology, Tsinghua University, Haidian District, Beijing, 100084, PR China
| | - Shuqin Wang
- College of Life Science, Shaoxing University, Shaoxing, 312000, PR China
| | - Baowei Hu
- College of Life Science, Shaoxing University, Shaoxing, 312000, PR China
| | - Xiangke Wang
- The MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 102206, PR China; College of Life Science, Shaoxing University, Shaoxing, 312000, PR China.
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7
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Yang ZZ, Zhang C, Zeng GM, Tan XF, Huang DL, Zhou JW, Fang QZ, Yang KH, Wang H, Wei J, Nie K. State-of-the-art progress in the rational design of layered double hydroxide based photocatalysts for photocatalytic and photoelectrochemical H2/O2 production. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214103] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Xu F, Pan J, Li B, Wu D, Wang X, Jiang Y, Li W, Jiang K, Niu B. ZIF‐8 Decorated WO
3
Nanoplates with Robust Surface Activation for the Enhanced Performances in Photocatalytic N
2
Fixation. ChemistrySelect 2021. [DOI: 10.1002/slct.202100767] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Fang Xu
- Department School of Chemistry and Chemical Engineering Henan Normal University Xinxiang Henan 453007 PR China
| | - Jialiang Pan
- Department School of Chemistry and Chemical Engineering Henan Normal University Xinxiang Henan 453007 PR China
| | - Bian Li
- Department School of Chemistry and Chemical Engineering Henan Normal University Xinxiang Henan 453007 PR China
| | - Dapeng Wu
- Department School of Chemistry and Chemical Engineering Henan Normal University Xinxiang Henan 453007 PR China
| | - Xinjun Wang
- Department School of Chemistry and Chemical Engineering Henan Normal University Xinxiang Henan 453007 PR China
| | - Yuqin Jiang
- Department School of Chemistry and Chemical Engineering Henan Normal University Xinxiang Henan 453007 PR China
| | - Wei Li
- Department School of Chemistry and Chemical Engineering Henan Normal University Xinxiang Henan 453007 PR China
| | - Kai Jiang
- Department School of Chemistry and Chemical Engineering Henan Normal University Xinxiang Henan 453007 PR China
| | - Bingxuan Niu
- College of Pharmacy Xinxiang Medical University Xinxiang Henan 453003 P.R. China
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Carminati SA, Rodríguez-Gutiérrez I, de Morais A, da Silva BL, Melo MA, Souza FL, Nogueira AF. Challenges and prospects about the graphene role in the design of photoelectrodes for sunlight-driven water splitting. RSC Adv 2021; 11:14374-14398. [PMID: 35424005 PMCID: PMC8698315 DOI: 10.1039/d0ra10176a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 03/31/2021] [Indexed: 12/02/2022] Open
Abstract
Graphene and its derivatives have emerged as potential materials for several technological applications including sunlight-driven water splitting reactions. This review critically addresses the latest achievements concerning the use of graphene as a player in the design of hybrid-photoelectrodes for photoelectrochemical cells. Insights about the charge carrier dynamics of graphene-based photocatalysts which include metal oxides and non-metal oxide semiconductors are also discussed. The concepts underpinning the continued progress in the field of graphene/photoelectrodes, including different graphene structures, architecture as well as the possible mechanisms for hydrogen and oxygen reactions are also presented. Despite several reports having demonstrated the potential of graphene-based photocatalysts, the achieved performance remains far from the targeted benchmark efficiency for commercial application. This review also highlights the challenges and opportunities related to graphene application in photoelectrochemical cells for future directions in the field.
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Affiliation(s)
- Saulo A Carminati
- Institute of Chemistry, University of Campinas (UNICAMP) PO Box 6154 Campinas São Paulo 13083-970 Brazil
| | - Ingrid Rodríguez-Gutiérrez
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC (UFABC) Santo André São Paulo 09210-580 Brazil
- Brazilian Nanotechnology National Laboratory (LNNano) Campinas São Paulo 13083-970 Brazil
| | - Andreia de Morais
- Center for Information Technology Renato Archer (CTI Renato Archer) Rodovia D. Pedro I, km 143.6 13069-901 Campinas SP Brazil
| | - Bruno L da Silva
- Institute of Chemistry, University of Campinas (UNICAMP) PO Box 6154 Campinas São Paulo 13083-970 Brazil
| | - Mauricio A Melo
- Institute of Chemistry, Fluminense Federal University Outeiro de São João Batista, Campus do Valonguinho, Niterói Rio de Janeiro 24020-141 Brazil
| | - Flavio L Souza
- Institute of Chemistry, University of Campinas (UNICAMP) PO Box 6154 Campinas São Paulo 13083-970 Brazil
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC (UFABC) Santo André São Paulo 09210-580 Brazil
- Brazilian Nanotechnology National Laboratory (LNNano) Campinas São Paulo 13083-970 Brazil
| | - Ana F Nogueira
- Institute of Chemistry, University of Campinas (UNICAMP) PO Box 6154 Campinas São Paulo 13083-970 Brazil
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Tang R, Zhou S, Zhang Z, Zheng R, Huang J. Engineering Nanostructure-Interface of Photoanode Materials Toward Photoelectrochemical Water Oxidation. Adv Mater 2021; 33:e2005389. [PMID: 33733537 DOI: 10.1002/adma.202005389] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 10/19/2020] [Indexed: 06/12/2023]
Abstract
Photoelectrochemical (PEC) water oxidation based on semiconductor materials plays an important role in the production of clean fuel and value-added chemicals. Nanostructure-interface engineering has proven to be an effective way to construct highly efficient PEC water oxidation photoanodes with good light capture, carrier transport, and water oxidation kinetics. However, from theoretical and application perspectives, the relationship between the nanostructure and interface of photoanode materials and their PEC performance remains unclear. In this review, the PEC water oxidation reaction mechanism and evaluation criteria are briefly presented. The theoretical basis and research status of the nanostructure-interface engineering on constructing high-performance PEC water oxidation photoanodes are summarized and discussed. Finally, the current challenges and the future opportunities of nanostructure-interface engineering for the PEC reactions are pointed out.
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Affiliation(s)
- Rui Tang
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, 116024, China
- Sydney Nano Institute, The University of Sydney, Sydney, NSW, 2006, Australia
- School of Physics, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Shujie Zhou
- Particles and Catalysis Research Group, School of Chemical Engineering, The University of New South Wales, Sydney, NSW, 2052, Australia
| | - Zhenyu Zhang
- Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian, 116024, China
| | - Rongkun Zheng
- Sydney Nano Institute, The University of Sydney, Sydney, NSW, 2006, Australia
- School of Physics, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Jun Huang
- Sydney Nano Institute, The University of Sydney, Sydney, NSW, 2006, Australia
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, NSW, 2037, Australia
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Fan Y, Ning X, Zhang Q, Zhao H, Liu J, Du P, Lu X. Enhanced Photoelectrochemical Water Splitting on Nickel-Doped Cobalt Phosphate by Modulating both Charge Transfer and Oxygen Evolution Efficiencies. ChemSusChem 2021; 14:1414-1422. [PMID: 33452868 DOI: 10.1002/cssc.202002764] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/04/2021] [Indexed: 06/12/2023]
Abstract
Detrimental charge recombination at photoanode/electrolyte junctions severely impedes photoelectrochemical (PEC) performance. The deposition of cobalt phosphate (CoPi) onto photoanodes is an efficient approach to achieve high PEC efficiency. However, achieving performances at the required remains a huge challenge, owing to the passivation effect of CoPi. In this study, function-tunable strategy, whereby the passivation role is switched with the activation role, is exploited to modulate PEC performance through simultaneous activation of interface charge transfer and surface catalysis. By depositing nickel-doped CoPi onto a BiVO4 (BV) substrate, the integrated system (BV/Ni1 Co7 Pi) exhibits a remarkable photocurrent density (4.15 mA cm-2 ), which is a 4.6-fold increase relative to BV (0.90 mA cm-2 ). Moreover, the satisfactory performance can be also achieved on α-Fe2 O3 photoanode. These findings provide guidance for improving the efficiency of CoPi on photoanodes for PEC water oxidation.
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Affiliation(s)
- Yiping Fan
- Tianjin Key Laboratory of Molecular Optoelectronics, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, P. R. China
| | - Xingming Ning
- Tianjin Key Laboratory of Molecular Optoelectronics, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, P. R. China
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University, Gansu, 730070, P. R. China
| | - Qi Zhang
- Tianjin Key Laboratory of Molecular Optoelectronics, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, P. R. China
| | - Huihuan Zhao
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University, Gansu, 730070, P. R. China
| | - Jia Liu
- Tianjin Key Laboratory of Molecular Optoelectronics, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, P. R. China
| | - Peiyao Du
- Tianjin Key Laboratory of Molecular Optoelectronics, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, P. R. China
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University, Gansu, 730070, P. R. China
| | - Xiaoquan Lu
- Tianjin Key Laboratory of Molecular Optoelectronics, Department of Chemistry, School of Science, Tianjin University, Tianjin, 300072, P. R. China
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, College of Chemistry & Chemical Engineering, Northwest Normal University, Gansu, 730070, P. R. China
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