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Sowmya S, Vijaikanth V. g-C 3N 4/Chlorocobaloxime Nanocomposites as Multifunctional Electrocatalysts for Water Splitting and Energy Storage. ACS OMEGA 2023; 8:32940-32954. [PMID: 37720742 PMCID: PMC10500676 DOI: 10.1021/acsomega.3c04347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 08/16/2023] [Indexed: 09/19/2023]
Abstract
Due to environmental contamination and the depletion of energy supplies, it is very important to develop low-cost, high-performance, multifunctional electrocatalysts for energy conversion and storage systems. Herein, we report the development of cost-effective modified electrodes containing g-C3N4/chlorocobaloxime composites (C1-C4) and their electrocatalytic behavior toward the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER), followed by their energy-storage applications. A series of chlorocobaloximes {ClCo(dpgH)2B} with diphenylglyoxime (dpgH) and neutral bases (B) containing a carboxylic acid moiety (isonicotinic acid, pyridine-3,5-dicarboxylic acid, indole-2-carboxylic acid, and p-aminobenzoic acid) have been synthesized and characterized by spectroscopic techniques. The nanocomposites of g-C3N4/chlorocobaloximes are prepared and characterized by Fourier transform infrared (FTIR) spectroscopy, ultraviolet-visible diffuse reflectance spectroscopy (UV-DRS), X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution TEM (HRTEM), X-ray photoelectron spectroscopy (XPS), particle size distribution analysis (PSA), Brunauer-Emmett-Teller (BET), and energy dispersive X-ray analysis (EDAX) techniques. The composite coatings exhibit enhanced HER performance at lower overpotential and with a lower Tafel slope. When the water-splitting reactions are studied using 0.5 M H2SO4 and 0.5 M KOH as electrolytic solutions, the composite g-C3N4/C2 containing pyridine-3,5-dicarboxylic acid as a neutral base shows excellent HER activity with a lower overpotential of 173 mV at -10 mA cm-2 and OER activity with a lower overpotential of 303 mV. The HER reaction takes place through the Volmer-Heyrovský mechanism, where the desorption step is the rate-determining step. Among the synthesized nanocomposites, the nanocomposite g-C3N4/C2 shows higher efficiency toward both HER and OER reactions, with a lower Tafel slope of 55 mV dec-1 for HER and 114 mV dec-1 for OER than the other nanocomposites. The overall water-splitting studies of the composite g-C3N4/C2 in 0.5 M KOH indicate that the evolution of hydrogen and oxygen occurs constantly up to 120 h. The supercapacitance applications studied using cyclic voltammetry and charge-discharge studies indicate that the nanocomposite g-C3N4/C1 shows a good specific capacitance of 236 F g-1 at 0.5 A g-1 compared to others. The increased electrochemical performance of the synthesized nanocomposites is due to the incorporation of electron-withdrawing carboxylic-acid-functionalized neutral bases present in cobaloximes, which increases electron mobility. The incorporation of a cobaloxime complex into a g-C3N4 nanosheet enhances the electrocatalytic behavior of the nanosheet, and its performance can further be fine-tuned by systematic variation in the structure of cobaloxime by changing the halide ion, dioxime, the neutral base ligand, or the substituent.
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Affiliation(s)
- Subramanian Sowmya
- Department of Applied Chemistry, Karunya Institute of Technology and Sciences, Coimbatore 641114, Tamilnadu, India
| | - Vijendran Vijaikanth
- Department of Applied Chemistry, Karunya Institute of Technology and Sciences, Coimbatore 641114, Tamilnadu, India
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2
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Khan J, Sun Y, Han L. A Comprehensive Review on Graphitic Carbon Nitride for Carbon Dioxide Photoreduction. SMALL METHODS 2022; 6:e2201013. [PMID: 36336653 DOI: 10.1002/smtd.202201013] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/10/2022] [Indexed: 06/16/2023]
Abstract
Inspired by natural photosynthesis, harnessing the wide range of natural solar energy and utilizing appropriate semiconductor-based catalysts to convert carbon dioxide into beneficial energy species, for example, CO, CH4 , HCOOH, and CH3 COH have been shown to be a sustainable and more environmentally friendly approach. Graphitic carbon nitride (g-C3 N4 ) has been regarded as a highly effective photocatalyst for the CO2 reduction reaction, owing to its cost-effectiveness, high thermal and chemical stability, visible light absorption capability, and low toxicity. However, weaker electrical conductivity, fast recombination rate, smaller visible light absorption window, and reduced surface area make this catalytic material unsuitable for commercial photocatalytic applications. Therefore, certain procedures, including elemental doping, structural modulation, functional group adjustment of g-C3 N4 , the addition of metal complex motif, and others, may be used to improve its photocatalytic activity towards effective CO2 reduction. This review has investigated the scientific community's perspectives on synthetic pathways and material optimization approaches used to increase the selectivity and efficiency of the g-C3 N4 -based hybrid structures, as well as their benefits and drawbacks on photocatalytic CO2 reduction. Finally, the review concludes a comparative discussion and presents a promising picture of the future scope of the improvements.
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Affiliation(s)
- Javid Khan
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Adv. Mater. and Technology for Clean Energy, Hunan University, Changsha, 410082, China
| | - Yanyan Sun
- School of Materials Science and Engineering, Central South University, Changsha, Hunan, 410083, China
| | - Lei Han
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Adv. Mater. and Technology for Clean Energy, Hunan University, Changsha, 410082, China
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3
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Kumar Singh A, Das C, Indra A. Scope and prospect of transition metal-based cocatalysts for visible light-driven photocatalytic hydrogen evolution with graphitic carbon nitride. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214516] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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4
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Wang C, Cheng B, Yue L, Chen F, Cao X, Liu Y, Wang Z, Lyu J, Xing B. Fluorescent g-C 3N 4 nanosheets enhanced photosynthetic efficiency in maize. NANOIMPACT 2021; 24:100363. [PMID: 35559822 DOI: 10.1016/j.impact.2021.100363] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 11/01/2021] [Accepted: 11/03/2021] [Indexed: 06/15/2023]
Abstract
Nano-enabled agriculture becomes a new and rapidly evolving area of research, particularly, nanomaterials (NMs) with light-harvesting capacities for enhancing photosynthesis. However, mechanisms for the interactions between these NMs and plants are not fully understood. Herein, fluorescent and water-soluble graphitic carbon nitride (g-C3N4) nanosheets were prepared and used as artificial antenna to amplify light harvesting ability and enhance photosynthesis in maize. Upon root exposure to 10 mg·L-1 g-C3N4 nanosheets, the g-C3N4 can be taken up and distributed in leaves. Also, the nutrients (Mg, P, Fe, and Mn), chlorophyll content, electron transfer rate, net photosynthetic rate, and carbohydrates content in maize were increased significantly by 1.1%, 51.8%, 44.6%, 121.8%, 12.1%, 44.5%, 30.0% and 32.3%, respectively. In addition, the gene expressions of psbA (photosystem II reaction center protein A) and psaA (photosystem I P700 chlorophyll A apoprotein A1) were up-regulated by 56.3% and 26.8%, respectively. Moreover, the activities of phosphoenolpyruvate carboxylase (PEPC) and ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) were significantly increased by 242.3% and 156.3%, respectively. This study provides a new perspective on the use of g-C3N4 nanosheets to promote plant growth and develop nano-enabled agricultural technology.
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Affiliation(s)
- Chuanxi Wang
- Institute of Environmental Processes and Pollution Control, and School of Environment and Civil Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Key Laboratory of Anaerobic Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Bingxu Cheng
- Institute of Environmental Processes and Pollution Control, and School of Environment and Civil Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Key Laboratory of Anaerobic Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Le Yue
- Institute of Environmental Processes and Pollution Control, and School of Environment and Civil Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Key Laboratory of Anaerobic Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Feiran Chen
- Institute of Environmental Processes and Pollution Control, and School of Environment and Civil Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Key Laboratory of Anaerobic Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Xuesong Cao
- Institute of Environmental Processes and Pollution Control, and School of Environment and Civil Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Key Laboratory of Anaerobic Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Yinglin Liu
- Institute of Environmental Processes and Pollution Control, and School of Environment and Civil Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Key Laboratory of Anaerobic Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Zhenyu Wang
- Institute of Environmental Processes and Pollution Control, and School of Environment and Civil Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China; Jiangsu Key Laboratory of Anaerobic Biotechnology, Jiangnan University, Wuxi, Jiangsu 214122, China.
| | - Jinze Lyu
- School of Environment and Civil Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Baoshan Xing
- Stockbridge School of Agriculture, University of Massachusetts, Amherst, MA 01003, USA
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5
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Stroyuk O, Raievska O, Zahn DRT. Single-layer carbon nitride: synthesis, structure, photophysical/photochemical properties, and applications. Phys Chem Chem Phys 2021; 23:20745-20764. [PMID: 34542127 DOI: 10.1039/d1cp03457j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
This Perspective provides a critical summary of the current state of the art in the synthesis and properties of polyheptazine single-layer carbon nitride (SLCN). The summary combines the authors' research and literature reports on SLCN concerning the synthesis of single-layer polyheptazine sheets, light absorption and emission by SLCN, photochemical and photocatalytic properties of SLCN as well as examples of applications of SLCN sheets as "building blocks" in heterostructures with nanocrystalline semiconductors and metals. The Perspective is concluded with an outlook discussing the most promising directions for further studies and applications of SLCN and related composites.
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Affiliation(s)
- Oleksandr Stroyuk
- Forschungszentrum Jülich GmbH, Helmholtz-Institut Erlangen Nürnberg für Erneuerbare Energien (HI ERN), Immerwahrstr. 2, 91058 Erlangen, Germany.
| | - Oleksandra Raievska
- Semiconductor Physics, Chemnitz University of Technology, D-09107 Chemnitz, Germany. .,Center for Materials, Architectures, and Integration of Nanomembranes (MAIN), Chemnitz University of Technology, D-09107 Chemnitz, Germany
| | - Dietrich R T Zahn
- Semiconductor Physics, Chemnitz University of Technology, D-09107 Chemnitz, Germany. .,Center for Materials, Architectures, and Integration of Nanomembranes (MAIN), Chemnitz University of Technology, D-09107 Chemnitz, Germany
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6
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Ma W, Zheng D, Xian Y, Hu X, Zhang Q, Wang S, Cheng C, Liu J, Wang P. Efficient Hydrogen Evolution under Visible Light by Bimetallic Phosphide NiCoP Combined with g‐C
3
N
4
/CdS S‐Scheme Heterojunction. ChemCatChem 2021. [DOI: 10.1002/cctc.202100833] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Wangyang Ma
- Anhui Key Laboratory of Advanced Building Materials School of Materials Science and Chemical Engineering Anhui Jianzhu University Hefei 230601 P. R. China
| | - Dewen Zheng
- New Energy Research Center Research Institute of Petroleum Exploration and Development (RIPED) Beijing 10083 P. R. China
| | - Yuxi Xian
- CAS Key Laboratory for Mechanical Behavior and Design of Materials University of Science and Technology of China Hefei 230026 P. R. China
| | - Xianhai Hu
- Anhui Key Laboratory of Advanced Building Materials School of Materials Science and Chemical Engineering Anhui Jianzhu University Hefei 230601 P. R. China
| | - Qian Zhang
- New Energy Research Center Research Institute of Petroleum Exploration and Development (RIPED) Beijing 10083 P. R. China
| | - Shanyu Wang
- New Energy Research Center Research Institute of Petroleum Exploration and Development (RIPED) Beijing 10083 P. R. China
| | - Congliang Cheng
- Anhui Key Laboratory of Advanced Building Materials School of Materials Science and Chemical Engineering Anhui Jianzhu University Hefei 230601 P. R. China
| | - Jin Liu
- Anhui Key Laboratory of Advanced Building Materials School of Materials Science and Chemical Engineering Anhui Jianzhu University Hefei 230601 P. R. China
| | - Ping Wang
- Anhui Key Laboratory of Advanced Building Materials School of Materials Science and Chemical Engineering Anhui Jianzhu University Hefei 230601 P. R. China
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7
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Niu P, Pan Z, Wang S, Wang X. Tuning Crystallinity and Surface Hydrophobicity of a Cobalt Phosphide Cocatalyst to Boost CO 2 Photoreduction Performance. CHEMSUSCHEM 2021; 14:1302-1307. [PMID: 33491914 DOI: 10.1002/cssc.202002755] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 01/16/2021] [Indexed: 06/12/2023]
Abstract
Photocatalytic CO2 conversion is a promising method to yield carbon fuels, but it remains challenging to regulate catalytic materials for enhanced reaction efficiency and tunable product selectivity. This study concerns the development of a facile and efficient thermal post-treatment method to improve the crystallinity and surface hydrophobicity of a cobalt phosphide (CoP) cocatalyst, which promotes the separation and transfer of photoexcited charge carriers, reinforces CO2 chemisorption, and weakens the H2 O affinity. Compared with pristine CoP, the optimal CoP-600 cocatalyst displays a 3.5-fold enhancement in activity and a 2.3-fold increase in selectivity for the reduction of CO2 to CO with a high rate of 68.1 μmol h-1 .
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Affiliation(s)
- Pingping Niu
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
| | - Zhiming Pan
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
| | - Sibo Wang
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
| | - Xinchen Wang
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, P. R. China
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8
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Cao F, Mao A, Yang B, Ge C, Wang D. The preparation of a Co@C 3N 4 catalyst and applications in the synthesis of quinolines from 2-aminobenzyl alcohols with ketones. NEW J CHEM 2021. [DOI: 10.1039/d0nj05767c] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A Co@C3N4 composite was synthesized through Co-doping of C3N4 and revealed high catalytic activity for the synthesis of quinolines.
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Affiliation(s)
- Fei Cao
- Key Laboratory of Synthetic and Biological Colloids
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
| | - Anruo Mao
- Key Laboratory of Synthetic and Biological Colloids
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
| | - Bobin Yang
- Key Laboratory of Synthetic and Biological Colloids
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
| | - Chenyang Ge
- Key Laboratory of Synthetic and Biological Colloids
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
| | - Dawei Wang
- Key Laboratory of Synthetic and Biological Colloids
- Ministry of Education
- School of Chemical and Material Engineering
- Jiangnan University
- Wuxi 214122
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9
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Lu N, Sun M, Wei X, Zhang P, Zhang Z. Facile Synthesis of Lacunary Keggin-Type Phosphotungstates-Decorated g-C 3N 4 Nanosheets for Enhancing Photocatalytic H 2 Generation. Polymers (Basel) 2020; 12:E1961. [PMID: 32872550 PMCID: PMC7564915 DOI: 10.3390/polym12091961] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/21/2020] [Accepted: 08/25/2020] [Indexed: 02/07/2023] Open
Abstract
In this work, the lacunary Keggin-type phosphotungstates of [PW9O34]9- (PW9) clusters were loaded onto the g-C3N4 nanosheets (NSs) to synthesize the phosphotungstate clusters-decorated 2D heterojunction photocatalysts by using the electrostatic-force driven self-assembly process. The surface charge polarity of g-C3N4 NSs was changed from a negative to a positive charge through the acidizing treatment. The positively-charged g-C3N4 NSs allowed the negatively-charged PW9 clusters to be adsorbed and deposited onto the g-C3N4 NSs, forming the PW9/g-C3N4 heterojunction NSs. The as-synthesized samples were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier-transform infrared (FTIR) spectroscopy, and UV-VIS absorption spectra, respectively. The photocatalytic activity tests indicated that, upon simulated sunlight irradiation, the photocatalytic H2-generation rate of PW9/g-C3N4 heterojunction NSs (~23.8 μmol h-1) was ~3.3 times higher than that of the pure g-C3N4 NSs (~7.3 μmol h-1). The enhanced photocatalytic activity of PW9 cluster-decorated g-C3N4 NSs could be attributed to the enhanced separation process of the photoinduced charge-carriers, due to the Z-scheme-mediate charge transfer behavior across their hetero-interface.
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Affiliation(s)
- Na Lu
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China; (N.L.); (M.S.)
| | - Menghan Sun
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China; (N.L.); (M.S.)
| | - Xiaoming Wei
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China; (N.L.); (M.S.)
| | - Peng Zhang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China;
| | - Zhenyi Zhang
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China; (N.L.); (M.S.)
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10
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Windle CD, Wieczorek A, Xiong L, Sachs M, Bozal-Ginesta C, Cha H, Cockcroft JK, Durrant J, Tang J. Covalent grafting of molecular catalysts on C 3N x H y as robust, efficient and well-defined photocatalysts for solar fuel synthesis. Chem Sci 2020; 11:8425-8432. [PMID: 34123101 PMCID: PMC8163425 DOI: 10.1039/d0sc02986f] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The covalent attachment of molecules to 2D materials is an emerging area as strong covalent chemistry offers new hybrid properties and greater mechanical stability compared with nanoparticles. A nickel bis-aminothiophenol catalyst was grafted onto a range of 2D carbon nitrides (C3NxHy) to form noble metal-free photocatalysts for H2 production. The hybrids produce H2 beyond 8 days with turnover numbers reaching 1360 based on nickel, a more than 3 fold higher durability than reported molecular catalyst-carbon nitride mixtures, and under longer wavelengths (>475 nm). Time-resolved spectroscopy reveals sub-microsecond electron transfer to the grafted catalyst, six orders of magnitude faster compared with similar reports of non-grafted catalysts. The photoelectrons on the catalyst have a ca. 1000 times longer half-time (7 ms) compared with bare carbon nitride (10 μs). The grafting strategy operates across a range of molecular catalyst-carbon nitride combinations, thus paving the way for robust efficient photocatalysts based on low-cost tunable components. A nickel bis-aminothiophenol catalyst grafted onto a 2D carbon-nitride photocatalytically produces H2 beyond 8 days with turnover numbers reaching 1360.![]()
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Affiliation(s)
| | - Alexander Wieczorek
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, White City Campus London W12 0BZ UK
| | - Lunqiao Xiong
- Department of Chemical Engineering UCL Torrington Place London WC1E 7JE UK
| | - Michael Sachs
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, White City Campus London W12 0BZ UK
| | - Carlota Bozal-Ginesta
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, White City Campus London W12 0BZ UK
| | - Hyojung Cha
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, White City Campus London W12 0BZ UK
| | - Jeremy K Cockcroft
- Department of Chemistry, University College London 20 Gordon Street London WC1H 0AJ UK
| | - James Durrant
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, White City Campus London W12 0BZ UK
| | - Junwang Tang
- Department of Chemical Engineering UCL Torrington Place London WC1E 7JE UK
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11
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Gottschling K, Savasci G, Vignolo-González H, Schmidt S, Mauker P, Banerjee T, Rovó P, Ochsenfeld C, Lotsch BV. Rational Design of Covalent Cobaloxime-Covalent Organic Framework Hybrids for Enhanced Photocatalytic Hydrogen Evolution. J Am Chem Soc 2020; 142:12146-12156. [PMID: 32564604 PMCID: PMC7366382 DOI: 10.1021/jacs.0c02155] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
![]()
Covalent
organic frameworks (COFs) display a unique combination
of chemical tunability, structural diversity, high porosity, nanoscale
regularity, and thermal stability. Recent efforts are directed at
using such frameworks as tunable scaffolds for chemical reactions.
In particular, COFs have emerged as viable platforms for mimicking
natural photosynthesis. However, there is an indisputable need for
efficient, stable, and economical alternatives for the traditional
platinum-based cocatalysts for light-driven hydrogen evolution. Here,
we present azide-functionalized chloro(pyridine)cobaloxime hydrogen-evolution
cocatalysts immobilized on a hydrazone-based COF-42 backbone that
show improved and prolonged photocatalytic activity with respect to
equivalent physisorbed systems. Advanced solid-state NMR and quantum-chemical
methods allow us to elucidate details of the improved photoreactivity
and the structural composition of the involved active site. We found
that a genuine interaction between the COF backbone and the cobaloxime
facilitates recoordination of the cocatalyst during the photoreaction,
thereby improving the reactivity and hindering degradation of the
catalyst. The excellent stability and prolonged reactivity make the
herein reported cobaloxime-tethered COF materials promising hydrogen
evolution catalysts for future solar fuel technologies.
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Affiliation(s)
- Kerstin Gottschling
- Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany.,Department of Chemistry, University of Munich (LMU), Butenandtstrasse 5-13, 81377 Munich, Germany.,Cluster of Excellence e-conversion, Lichtenbergstrasse 4a, 85748 Garching, Germany.,Center for Nanoscience (CeNS), Schellingstrasse 4, 80799 Munich, Germany
| | - Gökcen Savasci
- Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany.,Department of Chemistry, University of Munich (LMU), Butenandtstrasse 5-13, 81377 Munich, Germany.,Cluster of Excellence e-conversion, Lichtenbergstrasse 4a, 85748 Garching, Germany.,Center for Nanoscience (CeNS), Schellingstrasse 4, 80799 Munich, Germany
| | - Hugo Vignolo-González
- Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany
| | - Sandra Schmidt
- Department of Chemistry, University of Munich (LMU), Butenandtstrasse 5-13, 81377 Munich, Germany
| | - Philipp Mauker
- Department of Chemistry, University of Munich (LMU), Butenandtstrasse 5-13, 81377 Munich, Germany.,Center for Nanoscience (CeNS), Schellingstrasse 4, 80799 Munich, Germany
| | - Tanmay Banerjee
- Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany
| | - Petra Rovó
- Department of Chemistry, University of Munich (LMU), Butenandtstrasse 5-13, 81377 Munich, Germany.,Center for Nanoscience (CeNS), Schellingstrasse 4, 80799 Munich, Germany
| | - Christian Ochsenfeld
- Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany.,Department of Chemistry, University of Munich (LMU), Butenandtstrasse 5-13, 81377 Munich, Germany.,Cluster of Excellence e-conversion, Lichtenbergstrasse 4a, 85748 Garching, Germany.,Center for Nanoscience (CeNS), Schellingstrasse 4, 80799 Munich, Germany
| | - Bettina V Lotsch
- Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany.,Department of Chemistry, University of Munich (LMU), Butenandtstrasse 5-13, 81377 Munich, Germany.,Cluster of Excellence e-conversion, Lichtenbergstrasse 4a, 85748 Garching, Germany.,Center for Nanoscience (CeNS), Schellingstrasse 4, 80799 Munich, Germany
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12
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Nickel complex co-catalyst confined by chitosan onto graphitic carbon nitride for efficient H2 evolution. J Colloid Interface Sci 2020; 560:11-20. [DOI: 10.1016/j.jcis.2019.10.050] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 10/12/2019] [Accepted: 10/14/2019] [Indexed: 12/16/2022]
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13
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Zhen W, Yuan X, Ning X, Gong X, Xue C. Building Oxime-Ni 2+ Complex on Polymeric Carbon Nitride: Molecular-Level Design of Highly Efficient Hydrogen Generation Photocatalysts. ACS APPLIED MATERIALS & INTERFACES 2020; 12:868-876. [PMID: 31816223 DOI: 10.1021/acsami.9b18856] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We report an effective strategy to in situ construct the oxime-Ni2+ complex unit on polymeric carbon nitride (PCN) as a molecular catalyst for the highly efficient hydrogen evolution reaction (HER). The PCN was functionalized with oxime groups that allowed for immobilizing Ni2+ to form oxime-Ni2+ complex units on the PCN surface with uniform distribution. The electrochemical characterizations reveal that these oxime-Ni2+ units can effectively capture photogenerated electrons from PCN and serve as active catalytic sites for proton reduction. Notably, the oxime-Ni2+ enriched PCN showed even higher activities for photocatalytic hydrogen evolution than the Pt-loaded PCN. This work provides a new way to synthesize low-cost photocatalysts with surface grafting of noble-metal-free molecular HER catalysts for efficient light-driven hydrogen generation.
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Affiliation(s)
- Wenlong Zhen
- School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , 639798 Singapore
| | - Xu Yuan
- School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , 639798 Singapore
| | - Xiaofeng Ning
- State Key Laboratory for Oxo Synthesis and Selective Oxidation , Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences , Lanzhou 730000 , P. R. China
| | - Xuezhong Gong
- School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , 639798 Singapore
| | - Can Xue
- School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , 639798 Singapore
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14
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Mishra AA, Chaurasia SR, Bhanage BM. Ru–g-C 3N 4 as a highly active heterogeneous catalyst for transfer hydrogenation of α-keto amide into β-aminol or α-hydroxyl amide. NEW J CHEM 2020. [DOI: 10.1039/d0nj01674h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
This work reports a sustainable route for the catalytic transfer hydrogenation (CTH) of α-keto amide into β-aminol via an efficient heterogeneous catalyst wherein ruthenium is incorporated on an active graphite sheet of a carbon nitride support (Ru–g-C3N4).
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Affiliation(s)
- Ashish A. Mishra
- Department of Chemistry
- Institute of Chemical Technology
- Mumbai 400019
- India
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15
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Zhao Q, Yang C, Liu R. Ultrathin Graphitic Carbon Nitride Nanosheets as Efficient Catalysts for Degradation of Pollutants under Visible Light. ChemistrySelect 2019. [DOI: 10.1002/slct.201902192] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Qian Zhao
- School of Chemistry and Chemical EngineeringJiangsu University 301 Xuefu Road Zhenjiang 212013, Jiangsu P. R.China
| | - Cheng Yang
- School of Chemistry and Chemical EngineeringJiangsu University 301 Xuefu Road Zhenjiang 212013, Jiangsu P. R.China
| | - Ruifeng Liu
- School of Chemistry and Chemical EngineeringJiangsu University 301 Xuefu Road Zhenjiang 212013, Jiangsu P. R.China
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16
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Zhang J, Zhang W. Superior Photocatalytic Generation of H
2
in Water Medium Through Grafting a Cobalt Molecule Co‐Catalyst from Carbon Nitride Nanosheets. ChemCatChem 2019. [DOI: 10.1002/cctc.201900443] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Jun‐Shuai Zhang
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology 381 Wushan Road Guangzhou 510640 P. R. China
| | - Wei‐De Zhang
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology 381 Wushan Road Guangzhou 510640 P. R. China
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17
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Dalle K, Warnan J, Leung JJ, Reuillard B, Karmel IS, Reisner E. Electro- and Solar-Driven Fuel Synthesis with First Row Transition Metal Complexes. Chem Rev 2019; 119:2752-2875. [PMID: 30767519 PMCID: PMC6396143 DOI: 10.1021/acs.chemrev.8b00392] [Citation(s) in RCA: 419] [Impact Index Per Article: 83.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Indexed: 12/31/2022]
Abstract
The synthesis of renewable fuels from abundant water or the greenhouse gas CO2 is a major step toward creating sustainable and scalable energy storage technologies. In the last few decades, much attention has focused on the development of nonprecious metal-based catalysts and, in more recent years, their integration in solid-state support materials and devices that operate in water. This review surveys the literature on 3d metal-based molecular catalysts and focuses on their immobilization on heterogeneous solid-state supports for electro-, photo-, and photoelectrocatalytic synthesis of fuels in aqueous media. The first sections highlight benchmark homogeneous systems using proton and CO2 reducing 3d transition metal catalysts as well as commonly employed methods for catalyst immobilization, including a discussion of supporting materials and anchoring groups. The subsequent sections elaborate on productive associations between molecular catalysts and a wide range of substrates based on carbon, quantum dots, metal oxide surfaces, and semiconductors. The molecule-material hybrid systems are organized as "dark" cathodes, colloidal photocatalysts, and photocathodes, and their figures of merit are discussed alongside system stability and catalyst integrity. The final section extends the scope of this review to prospects and challenges in targeting catalysis beyond "classical" H2 evolution and CO2 reduction to C1 products, by summarizing cases for higher-value products from N2 reduction, C x>1 products from CO2 utilization, and other reductive organic transformations.
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Affiliation(s)
| | | | - Jane J. Leung
- Christian Doppler Laboratory
for Sustainable SynGas Chemistry, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Bertrand Reuillard
- Christian Doppler Laboratory
for Sustainable SynGas Chemistry, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Isabell S. Karmel
- Christian Doppler Laboratory
for Sustainable SynGas Chemistry, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Erwin Reisner
- Christian Doppler Laboratory
for Sustainable SynGas Chemistry, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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18
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Ho XL, Shao H, Ng YY, Ganguly R, Lu Y, Soo HS. Visible Light Driven Hydrogen Evolution by Molecular Nickel Catalysts with Time-Resolved Spectroscopic and DFT Insights. Inorg Chem 2019; 58:1469-1480. [DOI: 10.1021/acs.inorgchem.8b03003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Xian Liang Ho
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
- Solar Fuels Laboratory, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Haiyan Shao
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
- Solar Fuels Laboratory, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Yik Yie Ng
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
| | - Rakesh Ganguly
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
| | - Yunpeng Lu
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
| | - Han Sen Soo
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
- Solar Fuels Laboratory, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
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19
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Kato M, Kon K, Hirayama J, Yagi I. Host–guest chemistry between cyclodextrin and a hydrogen evolution catalyst cobaloxime. NEW J CHEM 2019. [DOI: 10.1039/c9nj00081j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report the host–guest chemistry between cyclodextrin and a bisdimethylglyoximato cobalt complex, cobaloxime.
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Affiliation(s)
- Masaru Kato
- Section of Environmental Materials Science
- Faculty of Environmental Earth Science
- Hokkaido University
- Sapporo 060-0810
- Japan
| | - Keita Kon
- Division of Environmental Materials Science
- Graduate School of Environmental Science
- Hokkaido University
- Sapporo 060-0810
- Japan
| | - Jun Hirayama
- Division of Environmental Materials Science
- Graduate School of Environmental Science
- Hokkaido University
- Sapporo 060-0810
- Japan
| | - Ichizo Yagi
- Section of Environmental Materials Science
- Faculty of Environmental Earth Science
- Hokkaido University
- Sapporo 060-0810
- Japan
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20
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Tonda S, Jo WK. Plasmonic Ag nanoparticles decorated NiAl-layered double hydroxide/graphitic carbon nitride nanocomposites for efficient visible-light-driven photocatalytic removal of aqueous organic pollutants. Catal Today 2018. [DOI: 10.1016/j.cattod.2017.12.019] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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21
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22
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Willkomm J, Reisner E. Photo- and electrocatalytic H 2 evolution with cobalt oxime complexes. ACTA ACUST UNITED AC 2018. [DOI: 10.4019/bjscc.71.18] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Janina Willkomm
- Christian Doppler Laboratory for Sustainable SynGas Chemistry, Department of Chemistry, University of Cambridge
| | - Erwin Reisner
- Christian Doppler Laboratory for Sustainable SynGas Chemistry, Department of Chemistry, University of Cambridge
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23
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Photocatalytic Hydrogen Evolution Under Visible Light Illumination in Systems Based on Graphitic Carbon Nitride. THEOR EXP CHEM+ 2018. [DOI: 10.1007/s11237-018-9541-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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24
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Simultaneous two-electron transfer from photoirradiated semiconductor to molecular catalyst. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2017.08.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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25
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Banerjee T, Gottschling K, Savasci G, Ochsenfeld C, Lotsch BV. H 2 Evolution with Covalent Organic Framework Photocatalysts. ACS ENERGY LETTERS 2018; 3:400-409. [PMID: 29457140 PMCID: PMC5809981 DOI: 10.1021/acsenergylett.7b01123] [Citation(s) in RCA: 195] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Accepted: 01/05/2018] [Indexed: 05/28/2023]
Abstract
Covalent organic frameworks (COFs) are a new class of crystalline organic polymers that have garnered significant recent attention as highly promising H2 evolution photocatalysts. This Perspective discusses the advances in this field of energy research while highlighting the underlying peremptory factors for the rational design of readily tunable COF photoabsorber-cocatalyst systems for optimal photocatalytic performance.
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Affiliation(s)
- Tanmay Banerjee
- Max
Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany
| | - Kerstin Gottschling
- Max
Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany
- Department
of Chemistry, University of Munich (LMU), Butenandtstraße 5-13, 81377 München, Germany
- Center
for Nanoscience, Schellingstraße
4, 80799 München, Germany
| | - Gökcen Savasci
- Max
Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany
- Department
of Chemistry, University of Munich (LMU), Butenandtstraße 5-13, 81377 München, Germany
| | - Christian Ochsenfeld
- Max
Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany
- Department
of Chemistry, University of Munich (LMU), Butenandtstraße 5-13, 81377 München, Germany
- Nanosystems
Initiative Munich (NIM), Schellingstraße 4, 80799 München, Germany
- Center
for Nanoscience, Schellingstraße
4, 80799 München, Germany
| | - Bettina V. Lotsch
- Max
Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart, Germany
- Department
of Chemistry, University of Munich (LMU), Butenandtstraße 5-13, 81377 München, Germany
- Nanosystems
Initiative Munich (NIM), Schellingstraße 4, 80799 München, Germany
- Center
for Nanoscience, Schellingstraße
4, 80799 München, Germany
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26
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Pan X, Zhou G. A theoretical study on the mechanism of hydrogen evolution on non-precious partially oxidized nickel-based heterostructures for fuel cells. Phys Chem Chem Phys 2018; 20:7968-7973. [DOI: 10.1039/c7cp08112j] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
It was shown that interfacial effects dramatically enhance the hydrogen evolution performance of partially oxidized nickel-based heterostructures (NiO/Ni NHSs)viaa competitive charge transfer mechanism.
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Affiliation(s)
- Xinju Pan
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- People's Republic of China
| | - Gang Zhou
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- People's Republic of China
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27
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Acid-facilitated product release from a Mo(IV) center: relevance to oxygen atom transfer reactivity of molybdenum oxotransferases. J Biol Inorg Chem 2017; 23:193-207. [PMID: 29177705 DOI: 10.1007/s00775-017-1518-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 11/10/2017] [Indexed: 01/27/2023]
Abstract
We report that pyridinium ions (HPyr+) accelerate the conversion of [Tp*MoIVOCl(OPMe3)] (1) to [Tp*MoIVOCl(NCCH3)] (2) by 103-fold, affording 2 in near-quantitative yield; Tp* = hydrotris(3,5-dimethyl-1-pyrazolyl)borate. This novel reactivity and the mechanism of this reaction were investigated in detail. The formation of 2 followed pseudo-first-order kinetics, with the observed pseudo-first-order rate constant (k obs) linearly correlated with [HPyr+]. An Eyring plot revealed that this HPyr+-facilitated reaction has a small positive value of ∆S ‡ indicative of a dissociative interchange (Id) mechanism, different from the slower associative interchange (Ia) mechanism in the absence of HPyr+ marked with a negative ∆S ‡. Interestingly, log(k obs) was found to be linearly correlated to the acidity of substituted pyridinium ions. This novel reactivity is further investigated using combined DFT and ab initio coupled cluster methods. Different reaction pathways, including Id, Ia, and possible alternative routes in the absence or presence of HPyr+, were considered, and enthalpy and free energies were calculated for each pathway. Our computational results further underscored that the Id route is energetically favored in the presence of HPyr+, in contrast with the preferred Ia-NNO pathway in the absence of HPyr+. Our computational results also revealed molecular-level details for the HPyr+-facilitated Id route. Specifically, HPyr+ initially becomes hydrogen-bonded to the oxygen atom of the Mo(IV)-OPMe3 moiety, which lowers the activation barrier for the Mo-OPMe3 bond cleavage in a rate-limiting step to dissociate the OPMe3 product. The implications of our results were discussed in the context of molybdoenzymes, particularly the reductive half-reaction of sulfite oxidase.
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28
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Banerjee T, Haase F, Savasci G, Gottschling K, Ochsenfeld C, Lotsch BV. Single-Site Photocatalytic H 2 Evolution from Covalent Organic Frameworks with Molecular Cobaloxime Co-Catalysts. J Am Chem Soc 2017; 139:16228-16234. [PMID: 29022345 PMCID: PMC5691321 DOI: 10.1021/jacs.7b07489] [Citation(s) in RCA: 168] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
![]()
We demonstrate photocatalytic hydrogen
evolution using COF photosensitizers
with molecular proton reduction catalysts for the first time. With
azine-linked N2-COF photosensitizer, chloro(pyridine)cobaloxime co-catalyst,
and TEOA donor, H2 evolution rate of 782 μmol h–1 g–1 and TON of 54.4 has been obtained
in a water/acetonitrile mixture. PXRD, solid-state spectroscopy, EM
analysis, and quantum-chemical calculations suggest an outer sphere
electron transfer from the COF to the co-catalyst which subsequently
follows a monometallic pathway of H2 generation from the
CoIII-hydride and/or CoII-hydride species.
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Affiliation(s)
- Tanmay Banerjee
- Max Planck Institute for Solid State Research , Heisenbergstraße 1, 70569 Stuttgart, Germany
| | - Frederik Haase
- Max Planck Institute for Solid State Research , Heisenbergstraße 1, 70569 Stuttgart, Germany.,Department of Chemistry, University of Munich (LMU) , Butenandtstraße 5-13, 81377 München, Germany
| | - Gökcen Savasci
- Max Planck Institute for Solid State Research , Heisenbergstraße 1, 70569 Stuttgart, Germany.,Department of Chemistry, University of Munich (LMU) , Butenandtstraße 5-13, 81377 München, Germany
| | - Kerstin Gottschling
- Max Planck Institute for Solid State Research , Heisenbergstraße 1, 70569 Stuttgart, Germany.,Department of Chemistry, University of Munich (LMU) , Butenandtstraße 5-13, 81377 München, Germany
| | - Christian Ochsenfeld
- Department of Chemistry, University of Munich (LMU) , Butenandtstraße 5-13, 81377 München, Germany.,Center for Nanoscience , Schellingstraße 4, 80799 München, Germany
| | - Bettina V Lotsch
- Max Planck Institute for Solid State Research , Heisenbergstraße 1, 70569 Stuttgart, Germany.,Department of Chemistry, University of Munich (LMU) , Butenandtstraße 5-13, 81377 München, Germany.,Center for Nanoscience , Schellingstraße 4, 80799 München, Germany.,Nanosystems Initiative Munich (NIM) , Schellingstraße 4, 80799 München, Germany
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29
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Pramoda K, Gupta U, Chhetri M, Bandyopadhyay A, Pati SK, Rao CNR. Nanocomposites of C 3N 4 with Layers of MoS 2 and Nitrogenated RGO, Obtained by Covalent Cross-Linking: Synthesis, Characterization, and HER Activity. ACS APPLIED MATERIALS & INTERFACES 2017; 9:10664-10672. [PMID: 28267317 DOI: 10.1021/acsami.7b00085] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Generation of hydrogen by photochemical, electrochemical, and other means is a vital area of research today, and a variety of materials have been explored as catalysts for this purpose. C3N4, MoS2, and nitrogenated RGO (NRGO) are some of the important catalytic materials investigated for the hydrogen evolution reaction (HER) reaction, but the observed catalytic activities are somewhat marginal. Prompted by preliminary reports that covalent cross-linking of 2D materials to generate heteroassemblies or nanocomposites may have beneficial effect on the catalytic activity, we have synthesized nanocomposites wherein C3N4 is covalently bonded to MoS2 or NRGO nanosheets. The photochemical HER activity of the C3N4-MoS2 nanocomposite is found to be remarkable with an activity of 12778 μmol h-1 g-1 and a turnover frequency of 2.35 h-1. The physical mixture of C3N4 and MoS2, on the other hand, does not exhibit notable catalytic activity. Encouraged by this result, we have studied electrochemical HER activity of these composites as well. C3N4-MoS2 shows superior activity relative to a physical mixture of MoS2 and C3N4. Density functional theory calculations have been carried out to understand the HER activity of the nanocomposites. Charge-transfer between the components and greater planarity of cross-linked layers are important causes of the superior catalytic activity of the nanocomposites. Covalent linking of such 2D materials appears to be a worthwhile strategy for catalysis and other applications.
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Affiliation(s)
- K Pramoda
- New Chemistry Unit, Chemistry and Physics of Materials Unit, CSIR Centre of Excellence in Chemistry, Sheikh Saqr Laboratory, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) , Jakkur P. O., Bangalore 560064, India
| | - U Gupta
- New Chemistry Unit, Chemistry and Physics of Materials Unit, CSIR Centre of Excellence in Chemistry, Sheikh Saqr Laboratory, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) , Jakkur P. O., Bangalore 560064, India
| | - M Chhetri
- New Chemistry Unit, Chemistry and Physics of Materials Unit, CSIR Centre of Excellence in Chemistry, Sheikh Saqr Laboratory, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) , Jakkur P. O., Bangalore 560064, India
| | - A Bandyopadhyay
- New Chemistry Unit, Chemistry and Physics of Materials Unit, CSIR Centre of Excellence in Chemistry, Sheikh Saqr Laboratory, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) , Jakkur P. O., Bangalore 560064, India
| | - S K Pati
- New Chemistry Unit, Chemistry and Physics of Materials Unit, CSIR Centre of Excellence in Chemistry, Sheikh Saqr Laboratory, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) , Jakkur P. O., Bangalore 560064, India
| | - C N R Rao
- New Chemistry Unit, Chemistry and Physics of Materials Unit, CSIR Centre of Excellence in Chemistry, Sheikh Saqr Laboratory, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) , Jakkur P. O., Bangalore 560064, India
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30
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Indra A, Acharjya A, Menezes PW, Merschjann C, Hollmann D, Schwarze M, Aktas M, Friedrich A, Lochbrunner S, Thomas A, Driess M. Boosting Visible‐Light‐Driven Photocatalytic Hydrogen Evolution with an Integrated Nickel Phosphide–Carbon Nitride System. Angew Chem Int Ed Engl 2017; 56:1653-1657. [DOI: 10.1002/anie.201611605] [Citation(s) in RCA: 225] [Impact Index Per Article: 32.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Arindam Indra
- Metalorganic Chemistry and Inorganic MaterialsDepartment of ChemistryTechnische Universität Berlin Strasse des 17 Juni 135, Sekr. C2 10623 Berlin Germany
| | - Amitava Acharjya
- Functional MaterialsDepartment of ChemistryTechnische Universität Berlin Hardenbergstraße 40 10623 Berlin Germany
| | - Prashanth W. Menezes
- Metalorganic Chemistry and Inorganic MaterialsDepartment of ChemistryTechnische Universität Berlin Strasse des 17 Juni 135, Sekr. C2 10623 Berlin Germany
| | - Christoph Merschjann
- Institute of PhysicsUniversity of Rostock Universitätsplatz 3 18055 Rostock Germany
| | - Dirk Hollmann
- Leibniz Institute for Catalysis at the University of Rostock Albert Einstein-Straße 29A 18059 Rostock Germany
| | - Michael Schwarze
- Metalorganic Chemistry and Inorganic MaterialsDepartment of ChemistryTechnische Universität Berlin Strasse des 17 Juni 135, Sekr. C2 10623 Berlin Germany
| | - Mesut Aktas
- Metalorganic Chemistry and Inorganic MaterialsDepartment of ChemistryTechnische Universität Berlin Strasse des 17 Juni 135, Sekr. C2 10623 Berlin Germany
| | - Aleksej Friedrich
- Institute of PhysicsUniversity of Rostock Universitätsplatz 3 18055 Rostock Germany
| | - Stefan Lochbrunner
- Institute of PhysicsUniversity of Rostock Universitätsplatz 3 18055 Rostock Germany
| | - Arne Thomas
- Functional MaterialsDepartment of ChemistryTechnische Universität Berlin Hardenbergstraße 40 10623 Berlin Germany
| | - Matthias Driess
- Metalorganic Chemistry and Inorganic MaterialsDepartment of ChemistryTechnische Universität Berlin Strasse des 17 Juni 135, Sekr. C2 10623 Berlin Germany
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31
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Indra A, Acharjya A, Menezes PW, Merschjann C, Hollmann D, Schwarze M, Aktas M, Friedrich A, Lochbrunner S, Thomas A, Driess M. Boosting Visible-Light-Driven Photocatalytic Hydrogen Evolution with an Integrated Nickel Phosphide-Carbon Nitride System. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611605] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Arindam Indra
- Metalorganic Chemistry and Inorganic Materials; Department of Chemistry; Technische Universität Berlin; Strasse des 17 Juni 135, Sekr. C2 10623 Berlin Germany
| | - Amitava Acharjya
- Functional Materials; Department of Chemistry; Technische Universität Berlin; Hardenbergstraße 40 10623 Berlin Germany
| | - Prashanth W. Menezes
- Metalorganic Chemistry and Inorganic Materials; Department of Chemistry; Technische Universität Berlin; Strasse des 17 Juni 135, Sekr. C2 10623 Berlin Germany
| | - Christoph Merschjann
- Institute of Physics; University of Rostock; Universitätsplatz 3 18055 Rostock Germany
| | - Dirk Hollmann
- Leibniz Institute for Catalysis at the University of Rostock; Albert Einstein-Straße 29A 18059 Rostock Germany
| | - Michael Schwarze
- Metalorganic Chemistry and Inorganic Materials; Department of Chemistry; Technische Universität Berlin; Strasse des 17 Juni 135, Sekr. C2 10623 Berlin Germany
| | - Mesut Aktas
- Metalorganic Chemistry and Inorganic Materials; Department of Chemistry; Technische Universität Berlin; Strasse des 17 Juni 135, Sekr. C2 10623 Berlin Germany
| | - Aleksej Friedrich
- Institute of Physics; University of Rostock; Universitätsplatz 3 18055 Rostock Germany
| | - Stefan Lochbrunner
- Institute of Physics; University of Rostock; Universitätsplatz 3 18055 Rostock Germany
| | - Arne Thomas
- Functional Materials; Department of Chemistry; Technische Universität Berlin; Hardenbergstraße 40 10623 Berlin Germany
| | - Matthias Driess
- Metalorganic Chemistry and Inorganic Materials; Department of Chemistry; Technische Universität Berlin; Strasse des 17 Juni 135, Sekr. C2 10623 Berlin Germany
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32
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Meng J, Pei J, He Z, Wu S, Lin Q, Wei X, Li J, Zhang Z. Facile synthesis of g-C3N4 nanosheets loaded with WO3 nanoparticles with enhanced photocatalytic performance under visible light irradiation. RSC Adv 2017. [DOI: 10.1039/c7ra02297b] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Possible synthesis and degradation mechanism for photocatalysts under visible light irradiation.
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Affiliation(s)
- Jie Meng
- Center of Electron Microscopy
- State Key Laboratory of Silicon Materials
- School of Materials Science and Engineering
- Zhejiang University
- Hangzhou
| | - Jingyuan Pei
- Center of Electron Microscopy
- State Key Laboratory of Silicon Materials
- School of Materials Science and Engineering
- Zhejiang University
- Hangzhou
| | - Zefang He
- Center of Electron Microscopy
- State Key Laboratory of Silicon Materials
- School of Materials Science and Engineering
- Zhejiang University
- Hangzhou
| | - Shiyan Wu
- Center of Electron Microscopy
- State Key Laboratory of Silicon Materials
- School of Materials Science and Engineering
- Zhejiang University
- Hangzhou
| | - Qingyun Lin
- Center of Electron Microscopy
- State Key Laboratory of Silicon Materials
- School of Materials Science and Engineering
- Zhejiang University
- Hangzhou
| | - Xiao Wei
- Center of Electron Microscopy
- State Key Laboratory of Silicon Materials
- School of Materials Science and Engineering
- Zhejiang University
- Hangzhou
| | - Jixue Li
- Center of Electron Microscopy
- State Key Laboratory of Silicon Materials
- School of Materials Science and Engineering
- Zhejiang University
- Hangzhou
| | - Ze Zhang
- Center of Electron Microscopy
- State Key Laboratory of Silicon Materials
- School of Materials Science and Engineering
- Zhejiang University
- Hangzhou
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33
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Rao CNR, Pramoda K, Kumar R. Covalent cross-linking as a strategy to generate novel materials based on layered (2D) and other low D structures. Chem Commun (Camb) 2017; 53:10093-10107. [DOI: 10.1039/c7cc05390h] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Covalent linking of 2D structures such as graphene, MoS2and C3N4by employing coupling reactions provides a strategy to generate a variety of materials with new or improved properties.
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Affiliation(s)
- C. N. R. Rao
- New Chemistry Unit
- Chemistry and Physics of Materials Unit
- CSIR Center of Excellence in Chemistry
- Sheik Saqr Laboratory and International Centre for Materials Science
- Jawaharlal Nehru Centre for Advanced Scientific Research
| | - K. Pramoda
- New Chemistry Unit
- Chemistry and Physics of Materials Unit
- CSIR Center of Excellence in Chemistry
- Sheik Saqr Laboratory and International Centre for Materials Science
- Jawaharlal Nehru Centre for Advanced Scientific Research
| | - Ram Kumar
- New Chemistry Unit
- Chemistry and Physics of Materials Unit
- CSIR Center of Excellence in Chemistry
- Sheik Saqr Laboratory and International Centre for Materials Science
- Jawaharlal Nehru Centre for Advanced Scientific Research
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34
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Xu Y, Ye Y, Liu T, Wang X, Zhang B, Wang M, Han H, Li C. Unraveling a Single-Step Simultaneous Two-Electron Transfer Process from Semiconductor to Molecular Catalyst in a CoPy/CdS Hybrid System for Photocatalytic H2 Evolution under Strong Alkaline Conditions. J Am Chem Soc 2016; 138:10726-9. [DOI: 10.1021/jacs.6b04080] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yuxing Xu
- State
Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian
National Laboratory for Clean Energy, Dalian 116023, China
- Graduate University of Chinese Academy of Sciences, Beijing 100049, China
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), China
| | - Yun Ye
- State
Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian
National Laboratory for Clean Energy, Dalian 116023, China
- Graduate University of Chinese Academy of Sciences, Beijing 100049, China
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), China
| | - Taifeng Liu
- State
Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian
National Laboratory for Clean Energy, Dalian 116023, China
- Graduate University of Chinese Academy of Sciences, Beijing 100049, China
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), China
| | - Xiuli Wang
- State
Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian
National Laboratory for Clean Energy, Dalian 116023, China
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), China
| | - Bingqing Zhang
- State
Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian
National Laboratory for Clean Energy, Dalian 116023, China
| | - Mei Wang
- State
Key Laboratory of Fine Chemicals, DUT-KTH Joint Education and Research
Center on Molecular Devices, Dalian University of Technology, Dalian 116024, China
| | - Hongxian Han
- State
Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian
National Laboratory for Clean Energy, Dalian 116023, China
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), China
| | - Can Li
- State
Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian
National Laboratory for Clean Energy, Dalian 116023, China
- Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), China
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35
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Kasap H, Caputo C, Martindale BCM, Godin R, Lau VWH, Lotsch BV, Durrant JR, Reisner E. Solar-Driven Reduction of Aqueous Protons Coupled to Selective Alcohol Oxidation with a Carbon Nitride-Molecular Ni Catalyst System. J Am Chem Soc 2016; 138:9183-92. [PMID: 27337491 PMCID: PMC4965840 DOI: 10.1021/jacs.6b04325] [Citation(s) in RCA: 227] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Indexed: 12/23/2022]
Abstract
Solar water-splitting represents an important strategy toward production of the storable and renewable fuel hydrogen. The water oxidation half-reaction typically proceeds with poor efficiency and produces the unprofitable and often damaging product, O2. Herein, we demonstrate an alternative approach and couple solar H2 generation with value-added organic substrate oxidation. Solar irradiation of a cyanamide surface-functionalized melon-type carbon nitride ((NCN)CNx) and a molecular nickel(II) bis(diphosphine) H2-evolution catalyst (NiP) enabled the production of H2 with concomitant selective oxidation of benzylic alcohols to aldehydes in high yield under purely aqueous conditions, at room temperature and ambient pressure. This one-pot system maintained its activity over 24 h, generating products in 1:1 stoichiometry, separated in the gas and solution phases. The (NCN)CNx-NiP system showed an activity of 763 μmol (g CNx)(-1) h(-1) toward H2 and aldehyde production, a Ni-based turnover frequency of 76 h(-1), and an external quantum efficiency of 15% (λ = 360 ± 10 nm). This precious metal-free and nontoxic photocatalytic system displays better performance than an analogous system containing platinum instead of NiP. Transient absorption spectroscopy revealed that the photoactivity of (NCN)CNx is due to efficient substrate oxidation of the material, which outweighs possible charge recombination compared to the nonfunctionalized melon-type carbon nitride. Photoexcited (NCN)CNx in the presence of an organic substrate can accumulate ultralong-lived "trapped electrons", which allow for fuel generation in the dark. The artificial photosynthetic system thereby catalyzes a closed redox cycle showing 100% atom economy and generates two value-added products, a solar chemical, and solar fuel.
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Affiliation(s)
- Hatice Kasap
- Christian
Doppler Laboratory for Sustainable SynGas Chemistry, Department of
Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K.
| | - Christine
A. Caputo
- Christian
Doppler Laboratory for Sustainable SynGas Chemistry, Department of
Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K.
| | - Benjamin C. M. Martindale
- Christian
Doppler Laboratory for Sustainable SynGas Chemistry, Department of
Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K.
| | - Robert Godin
- Department
of Chemistry, Imperial College London, Exhibition Road, London SW7 2AZ, U.K.
| | - Vincent Wing-hei Lau
- Max
Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany
- Department
of Chemistry, Ludwig-Maximilians-Universität
München, Butenandtstrasse
5-13 (Haus D), 81377 München, Germany
| | - Bettina V. Lotsch
- Max
Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany
- Department
of Chemistry, Ludwig-Maximilians-Universität
München, Butenandtstrasse
5-13 (Haus D), 81377 München, Germany
| | - James R. Durrant
- Department
of Chemistry, Imperial College London, Exhibition Road, London SW7 2AZ, U.K.
| | - Erwin Reisner
- Christian
Doppler Laboratory for Sustainable SynGas Chemistry, Department of
Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K.
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36
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Rational design of carbon nitride photocatalysts by identification of cyanamide defects as catalytically relevant sites. Nat Commun 2016; 7:12165. [PMID: 27387536 PMCID: PMC4941108 DOI: 10.1038/ncomms12165] [Citation(s) in RCA: 272] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 06/07/2016] [Indexed: 12/22/2022] Open
Abstract
The heptazine-based polymer melon (also known as graphitic carbon nitride, g-C3N4) is a promising photocatalyst for hydrogen evolution. Nonetheless, attempts to improve its inherently low activity are rarely based on rational approaches because of a lack of fundamental understanding of its mechanistic operation. Here we employ molecular heptazine-based model catalysts to identify the cyanamide moiety as a photocatalytically relevant ‘defect'. We exploit this knowledge for the rational design of a carbon nitride polymer populated with cyanamide groups, yielding a material with 12 and 16 times the hydrogen evolution rate and apparent quantum efficiency (400 nm), respectively, compared with the unmodified melon. Computational modelling and material characterization suggest that this moiety improves coordination (and, in turn, charge transfer kinetics) to the platinum co-catalyst and enhances the separation of the photogenerated charge carriers. The demonstrated knowledge transfer for rational catalyst design presented here provides the conceptual framework for engineering high-performance heptazine-based photocatalysts. Graphitic carbon nitride is a promising hydrogen evolution photocatalyst, although there is limited understanding of its mechanistic operation. Here, the authors employ molecular heptazine-based model catalysts to identify catalytically relevant defects and to rationally design a highly active carbon nitride photocatalyst.
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37
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Ong WJ, Tan LL, Ng YH, Yong ST, Chai SP. Graphitic Carbon Nitride (g-C3N4)-Based Photocatalysts for Artificial Photosynthesis and Environmental Remediation: Are We a Step Closer To Achieving Sustainability? Chem Rev 2016; 116:7159-329. [DOI: 10.1021/acs.chemrev.6b00075] [Citation(s) in RCA: 4328] [Impact Index Per Article: 541.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Wee-Jun Ong
- Multidisciplinary
Platform of Advanced Engineering, Chemical Engineering Discipline,
School of Engineering, Monash University, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor, Malaysia
| | - Lling-Lling Tan
- Multidisciplinary
Platform of Advanced Engineering, Chemical Engineering Discipline,
School of Engineering, Monash University, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor, Malaysia
| | - Yun Hau Ng
- Particles
and Catalysis Research Group (PARTCAT), School of Chemical Engineering, The University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Siek-Ting Yong
- Multidisciplinary
Platform of Advanced Engineering, Chemical Engineering Discipline,
School of Engineering, Monash University, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor, Malaysia
| | - Siang-Piao Chai
- Multidisciplinary
Platform of Advanced Engineering, Chemical Engineering Discipline,
School of Engineering, Monash University, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor, Malaysia
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38
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Zhang Z, Liu K, Feng Z, Bao Y, Dong B. Hierarchical Sheet-on-Sheet ZnIn2S4/g-C3N4 Heterostructure with Highly Efficient Photocatalytic H2 production Based on Photoinduced Interfacial Charge Transfer. Sci Rep 2016; 6:19221. [PMID: 26753795 PMCID: PMC4709776 DOI: 10.1038/srep19221] [Citation(s) in RCA: 130] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Accepted: 12/09/2015] [Indexed: 12/23/2022] Open
Abstract
We have realized in-situ growth of ultrathin ZnIn2S4 nanosheets on the sheet-like g-C3N4 surfaces to construct a "sheet-on-sheet" hierarchical heterostructure. The as-synthesized ZnIn2S4/g-C3N4 heterojunction nanosheets exhibit remarkably enhancement on the photocatalytic activity for H2 production. This enhanced photoactivity is mainly attributed to the efficient interfacial transfer of photoinduced electrons and holes from g-C3N4 to ZnIn2S4 nanosheets, resulting in the decreased charge recombination on g-C3N4 nanosheets and the increased amount of photoinduced charge carriers in ZnIn2S4 nanosheets. Meanwhile, the increased surface-active-sites and extended light absorption of g-C3N4 nanosheets after the decoration of ZnIn2S4 nanosheets may also play a certain role for the enhancement of photocatalytic activity. Further investigations by the surface photovoltage spectroscopy and transient photoluminescence spectroscopy demonstrate that ZnIn2S4/g-C3N4 heterojunction nanosheets considerable boost the charge transfer efficiency, therefore improve the probability of photoinduced charge carriers to reach the photocatalysts surfaces for highly efficient H2 production.
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Affiliation(s)
- Zhenyi Zhang
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, School of Physics and Materials Engineering, Dalian Nationalities University, 18 Liaohe West Road, Dalian 116600, P. R. China
| | - Kuichao Liu
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, School of Physics and Materials Engineering, Dalian Nationalities University, 18 Liaohe West Road, Dalian 116600, P. R. China
| | - Zhiqing Feng
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, School of Physics and Materials Engineering, Dalian Nationalities University, 18 Liaohe West Road, Dalian 116600, P. R. China
| | - Yanan Bao
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, School of Physics and Materials Engineering, Dalian Nationalities University, 18 Liaohe West Road, Dalian 116600, P. R. China
| | - Bin Dong
- Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, School of Physics and Materials Engineering, Dalian Nationalities University, 18 Liaohe West Road, Dalian 116600, P. R. China
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39
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Gao Y, Lin H, Zhang S, Li Z. Co(dmgH)2pyCl as a noble-metal-free co-catalyst for highly efficient photocatalytic hydrogen evolution over hexagonal ZnIn2S4. RSC Adv 2016. [DOI: 10.1039/c5ra24390d] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Co(dmgH)2pyCl is an efficient co-catalyst for photocatalytic hydrogen evolution and the activity over Co(dmgH)2pyCl/ZnIn2S4 is superior to that over Pt/ZnIn2S4.
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Affiliation(s)
- Yanhong Gao
- State Key Laboratory of Photocatalysis on Energy and Environment
- College of Chemistry
- Fuzhou University
- Fuzhou 350002
- P. R. China
| | - Huaxiang Lin
- State Key Laboratory of Photocatalysis on Energy and Environment
- College of Chemistry
- Fuzhou University
- Fuzhou 350002
- P. R. China
| | - Shiying Zhang
- Hunan Key Laboratory of Applied Environmental Photocatalysis
- Changsha University
- Changsha
- P. R. China
| | - Zhaohui Li
- State Key Laboratory of Photocatalysis on Energy and Environment
- College of Chemistry
- Fuzhou University
- Fuzhou 350002
- P. R. China
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40
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Cao S, Jiang J, Zhu B, Yu J. Shape-dependent photocatalytic hydrogen evolution activity over a Pt nanoparticle coupled g-C3N4 photocatalyst. Phys Chem Chem Phys 2016; 18:19457-63. [DOI: 10.1039/c6cp02832b] [Citation(s) in RCA: 169] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A Pt decorated g-C3N4 photocatalyst exhibits remarkable shape-dependent photocatalytic hydrogen evolution activity.
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Affiliation(s)
- Shaowen Cao
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan 430070
- P. R. China
| | - Jing Jiang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan 430070
- P. R. China
| | - Bicheng Zhu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan 430070
- P. R. China
| | - Jiaguo Yu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan 430070
- P. R. China
- Faculty of Science
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41
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Indra A, Menezes PW, Kailasam K, Hollmann D, Schröder M, Thomas A, Brückner A, Driess M. Nickel as a co-catalyst for photocatalytic hydrogen evolution on graphitic-carbon nitride (sg-CN): what is the nature of the active species? Chem Commun (Camb) 2016; 52:104-7. [DOI: 10.1039/c5cc07936e] [Citation(s) in RCA: 127] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Structural changes of a nickel co-catalyst on graphitic carbon nitride have been uncovered during photocatalytic proton reduction by using XPS and in situ EPR measurements.
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Affiliation(s)
- Arindam Indra
- Metalorganic Chemistry and Inorganic Materials
- Department of Chemistry
- Technische Universität Berlin
- D-10623 Berlin
- Germany
| | - Prashanth W. Menezes
- Metalorganic Chemistry and Inorganic Materials
- Department of Chemistry
- Technische Universität Berlin
- D-10623 Berlin
- Germany
| | | | - Dirk Hollmann
- Leibniz Institute for Catalysis at the University of Rostock
- 18059 Rostock
- Germany
| | - Marc Schröder
- Metalorganic Chemistry and Inorganic Materials
- Department of Chemistry
- Technische Universität Berlin
- D-10623 Berlin
- Germany
| | - Arne Thomas
- Metalorganic Chemistry and Inorganic Materials
- Department of Chemistry
- Technische Universität Berlin
- D-10623 Berlin
- Germany
| | - Angelika Brückner
- Leibniz Institute for Catalysis at the University of Rostock
- 18059 Rostock
- Germany
| | - Matthias Driess
- Metalorganic Chemistry and Inorganic Materials
- Department of Chemistry
- Technische Universität Berlin
- D-10623 Berlin
- Germany
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42
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Bi G, Wen J, Li X, Liu W, Xie J, Fang Y, Zhang W. Efficient visible-light photocatalytic H2 evolution over metal-free g-C3N4 co-modified with robust acetylene black and Ni(OH)2 as dual co-catalysts. RSC Adv 2016. [DOI: 10.1039/c6ra03118h] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Enhanced photocatalytic visible-light H2-evolution activity over metal-free g-C3N4 co-modified with acetylene black and Ni(OH)2 co-catalysts is reported.
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Affiliation(s)
- Guican Bi
- College of Materials and Energy
- South China Agricultural University
- Guangzhou 510642
- PR China
- Key Laboratory of Energy Plants Resource and Utilization
| | - Jiuqing Wen
- College of Materials and Energy
- South China Agricultural University
- Guangzhou 510642
- PR China
- Key Laboratory of Energy Plants Resource and Utilization
| | - Xin Li
- College of Materials and Energy
- South China Agricultural University
- Guangzhou 510642
- PR China
- Key Laboratory of Energy Plants Resource and Utilization
| | - Wei Liu
- College of Materials and Energy
- South China Agricultural University
- Guangzhou 510642
- PR China
| | - Jun Xie
- College of Materials and Energy
- South China Agricultural University
- Guangzhou 510642
- PR China
- Key Laboratory of Energy Plants Resource and Utilization
| | - Yueping Fang
- College of Materials and Energy
- South China Agricultural University
- Guangzhou 510642
- PR China
| | - Weiwei Zhang
- College of Materials and Energy
- South China Agricultural University
- Guangzhou 510642
- PR China
- Key Laboratory of Energy Plants Resource and Utilization
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43
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Cao S, Low J, Yu J, Jaroniec M. Polymeric photocatalysts based on graphitic carbon nitride. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2015; 27:2150-76. [PMID: 25704586 DOI: 10.1002/adma.201500033] [Citation(s) in RCA: 1348] [Impact Index Per Article: 149.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2014] [Revised: 12/13/2014] [Indexed: 05/19/2023]
Abstract
Semiconductor-based photocatalysis is considered to be an attractive way for solving the worldwide energy shortage and environmental pollution issues. Since the pioneering work in 2009 on graphitic carbon nitride (g-C3N4) for visible-light photocatalytic water splitting, g-C3N4 -based photocatalysis has become a very hot research topic. This review summarizes the recent progress regarding the design and preparation of g-C3N4 -based photocatalysts, including the fabrication and nanostructure design of pristine g-C3N4 , bandgap engineering through atomic-level doping and molecular-level modification, and the preparation of g-C3N4 -based semiconductor composites. Also, the photo-catalytic applications of g-C3N4 -based photocatalysts in the fields of water splitting, CO2 reduction, pollutant degradation, organic syntheses, and bacterial disinfection are reviewed, with emphasis on photocatalysis promoted by carbon materials, non-noble-metal cocatalysts, and Z-scheme heterojunctions. Finally, the concluding remarks are presented and some perspectives regarding the future development of g-C3N4 -based photocatalysts are highlighted.
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Affiliation(s)
- Shaowen Cao
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, 122 Luoshi Road, Wuhan, 430070, PR China
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44
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Xu Y, Yin X, Huang Y, Du P, Zhang B. Hydrogen Production on a Hybrid Photocatalytic System Composed of Ultrathin CdS Nanosheets and a Molecular Nickel Complex. Chemistry 2015; 21:4571-5. [DOI: 10.1002/chem.201406642] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2014] [Indexed: 11/11/2022]
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45
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Lu Y, Chu D, Zhu M, Du Y, Yang P. Exfoliated carbon nitride nanosheets decorated with NiS as an efficient noble-metal-free visible-light-driven photocatalyst for hydrogen evolution. Phys Chem Chem Phys 2015; 17:17355-61. [DOI: 10.1039/c5cp01657f] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Exfoliated ultrathin C3N4 nanosheets decorated with NiS as a highly efficient visible-light-driven photocatalyst for photoinduced hydrogen evolution.
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Affiliation(s)
- Yongtao Lu
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- P. R. China
| | - Dongmei Chu
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- P. R. China
| | - Mingshan Zhu
- Department of Chemistry
- University of Toronto
- Toronto M5S 3H6
- Canada
| | - Yukou Du
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- P. R. China
| | - Ping Yang
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou 215123
- P. R. China
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46
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Gu Q, Gao Z, Zhao H, Lou Z, Liao Y, Xue C. Temperature-controlled morphology evolution of graphitic carbon nitride nanostructures and their photocatalytic activities under visible light. RSC Adv 2015. [DOI: 10.1039/c5ra07284k] [Citation(s) in RCA: 93] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This work provides a simple strategy for exfoliating bulk g-C3N4 and offers in-depth understanding on structure–activity relationship of g-C3N4.
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Affiliation(s)
- Quan Gu
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi'an
| | - Ziwei Gao
- Key Laboratory of Applied Surface and Colloid Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- Xi'an
| | - Hongan Zhao
- School of Materials Science and Engineering
- Nanyang Technological University
- Singapore 639798
| | - Zaizhu Lou
- School of Materials Science and Engineering
- Nanyang Technological University
- Singapore 639798
| | - Yusen Liao
- School of Materials Science and Engineering
- Nanyang Technological University
- Singapore 639798
| | - Can Xue
- School of Materials Science and Engineering
- Nanyang Technological University
- Singapore 639798
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47
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Xu Y, Zhang B. Hydrogen photogeneration from water on the biomimetic hybrid artificial photocatalytic systems of semiconductors and earth-abundant metal complexes: progress and challenges. Catal Sci Technol 2015. [DOI: 10.1039/c5cy00365b] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
This perspective summarizes the advances and challenges in hybrid artificial photocatalytic systems comprising semiconductors and biomimetic metal complexes for the photogeneration of hydrogen from water.
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Affiliation(s)
- You Xu
- Department of Chemistry
- School of Science
- Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
- China
| | - Bin Zhang
- Department of Chemistry
- School of Science
- Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
- China
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48
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Yin M, Ma S, Wu C, Fan Y. A noble-metal-free photocatalytic hydrogen production system based on cobalt(iii) complex and eosin Y-sensitized TiO2. RSC Adv 2015. [DOI: 10.1039/c4ra10767e] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
With CoL2 as cocatalyst and eosin Y as sensitizer, the noble-metal-free heterogeneous CoL2/TiO2 system shows much efficient and more stable hydrogen evolution activity than that of the homogeneous system under visible light irradiation.
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Affiliation(s)
- Mingcai Yin
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P. R. China
| | - Shuang Ma
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P. R. China
| | - Chaojun Wu
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P. R. China
| | - Yaoting Fan
- The College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P. R. China
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49
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Yin S, Han J, Zhou T, Xu R. Recent progress in g-C3N4 based low cost photocatalytic system: activity enhancement and emerging applications. Catal Sci Technol 2015. [DOI: 10.1039/c5cy00938c] [Citation(s) in RCA: 181] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Noble metal free g-C3N4 based photocatalysts find promising applications in the fields of photocatalytic H2 production, overall water splitting and CO2 reduction. Their photocatalytic can be enhanced by depositing non-noble metal co-catalysts and exfoliation to nanosheets.
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Affiliation(s)
- Shengming Yin
- School of Chemical & Biomedical Engineering
- Nanyang Technological University
- Singapore 637459
| | - Jianyu Han
- School of Chemical & Biomedical Engineering
- Nanyang Technological University
- Singapore 637459
- Energy Research Institute @ NTU
- Nanyang Technological University
| | - Tianhua Zhou
- School of Chemical & Biomedical Engineering
- Nanyang Technological University
- Singapore 637459
- SinBeRISE CREATE
- National Research Foundation
| | - Rong Xu
- School of Chemical & Biomedical Engineering
- Nanyang Technological University
- Singapore 637459
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50
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Kharlamov AI, Bondarenko ME, Kharlamova GA. New method for synthesis of oxygen-doped graphite-like carbon nitride from pyridine. RUSS J APPL CHEM+ 2014. [DOI: 10.1134/s107042721409016x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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