Interfacial charge transfer in semiconductor-molecular photocatalyst systems for proton reduction |
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| Institution: | 1. University of North Carolina at Chapel Hill, Caudill, Kenan and Murray Laboratories, Department of Chemistry, CB#3290, Chapel Hill, NC 27599, U.S.A;2. Department of Chemistry, Virginia Tech, Blacksburg, VA 24061-0212, USA;1. Department of Chemical Engineering, Khalifa University of Science and Technology, Masdar Institute, Masdar City, PO BOX 54224, Abu Dhabi, United Arab Emirates;2. Istituto per lo Studio dei Materiali Nanostrutturati, CNR, via U. La Malfa 153, 90146 Palermo, Italy;3. Department of Mechanical Engineering, Khalifa University of Science and Technology, Masdar Institute, Masdar City, PO BOX 54224, Abu Dhabi, United Arab Emirates;1. Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China;2. University of the Chinese Academy of Sciences, Beijing 100039, China;3. Beijing Key Laboratory of Opto-electronic Functional Materials & Micro-nano Devices, Renmin University of China, Beijing 100872, China;1. State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou 730000, China;2. University of Chinese Academy of Science, Beijing 100049, China;1. Department of Materials Science, School of Physical Science and Technology, Lanzhou University, Lanzhou, 730000, China;2. National and Local Joint Engineering Laboratory for Optical Conversion Materials and Technology, School of Physical Science and Technology, Lanzhou University, Lanzhou, 730000, China;1. International Islamic University, H-10 Islamabad, Pakistan;2. Pakistan Institute of Engineering and Applied Sciences, Islamabad 44000, Pakistan;3. Department of Chemistry, Government College of Science, Lahore, Pakistan |
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| Abstract: | Solar fuels have proven to be one of the important promising approaches to provide clean energy of H2. It is an effective strategy for H2 production to construct photocatalytic systems using semiconductor as a sensitizer and molecular catalyst as the H2 evolution catalyst. In the semiconductor-molecular photocatalyst systems (SMP systems) for proton reduction, the interfacial charge transfer, including electron and hole transfer, is the determining factor for the photocatalytic process from kinetic aspects. The knowledge of the interfacial charge transfer is of utmost importance for understanding the photocatalytic systems. This review focuses on the interfacial charge transfer in SMP systems for proton reduction, with a special emphasis on the advances in the studies on the kinetic aspects of interfacial charge transfer. |
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| Keywords: | Semiconductor Quantum dots Molecular catalyst Interfacial charge transfer Charge carrier dynamics Surface states |
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