Two-dimensional carbon nitride-based composites for photocatalytic hydrogen evolution |
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| Affiliation: | 1. College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China;2. Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China;1. International Research Center for Renewable Energy (IRCRE), State Key Laboratory of Multiphase Flow in Power Engineering (MFPE), Xi''an Jiaotong University (XJTU), 28 West Xianning Road, Xi''an, 710049, China;2. School of Energy and Power Engineering, Xi''an Jiaotong University (XJTU), 28 West Xianning Road, Xi''an, 710049, China;3. Center for Applied Chemistry, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610000, China;4. PetroChina West Pipeline Company, Urumqi, 830013, China;5. PetroChina Changqing Oilfield Company (PCOC), Xi''an, 710018, China;1. Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, PR China;2. Jilin Engineering Research Centre for Municipal Wastewater Treatment and Water Quality Protection, School of Environment, Northeast Normal University, Changchun 130117, PR China;1. Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong 999077, China;2. Department of Applied Physics, The Hong Kong Polytechnic University, Hong Kong 999077, China;1. School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, Jiangsu, PR China;2. Jiangsu Key Laboratory for Biomass Energy and Material, Jiangsu Province, Nanjing 210042, PR China;3. Jiangsu Province Hi-Tech Key Laboratory for Bio-medical Research, Southeast University, Nanjing 211189, PR China |
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| Abstract: | Photocatalytic hydrogen evolution plays a critical role in the exploration of the clean and sustainable energy. Owing to its special structure and features, two-dimensional (2D) graphitic carbon nitride (g-C3N4) has attracted tremendous attention. However, some deficiencies of pristine g-C3N4 inhibit its photocatalytic application, particularly the low quantum efficiency of hydrogen evolution. Therefore, it is valuable to develop 2D new composites based on g-C3N4 so that the synergistic effects of the two original materials can be achieved. This article attempts to summarize the modification strategies of 2D g-C3N4-based composites, including the construction of heterojunctions, morphology control, doping method, surface modification and co-catalyst loading. The application and progress in photocatalytic hydrogen evolution are also highlighted. The limitations are taken into account to provide further information for the improvement in the quantum efficiency of hydrogen by 2D g-C3N4-based composites. |
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| Keywords: | 2D graphitic carbon nitride Composites Photocatalysis Hydrogen evolution |
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