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Title:: Recent Progress in Visible-Light Photocatalysis on Lead Metal Halide-Based Perovskite Photocatalysts

Author(s):: LIU Chunxi; CHEN Jinchao; CHEN Zhi; WANG Weiwei; CHEN Xiangyu; YANG Xiuru; QIAN Xiaoxiao; ZHAO Wan; WEI Guoying; (College of Materials and Chemistry，China Jiliang University，Hangzhou 310018, China)

Keywords:: lead metal halide perovskite(LMHP); hydrogen production; CO2 reduction; pollutant degradation; photocatalysis

Abstract:: The energy and environmental issues caused by the consumption of fossil fuels have become a primary problem that needs to be solved urgently for the sustainable development of human society. Visible-light-driven photocatalysis utilizes sunlight as the power source and provides an effective way to fundamentally solve the above problems through the processes including photolytic water splitting, CO2 reduction, and pollutant degradation. This is of great significance for the sustainable development strategies. The lead metal halide perovskite (LMHP) photocatalyst exhibits excellent photoelectric performance due to its diverse crystal structure, suitable bandgap width and abundant vacancies, which provides multitudinous ways for adjusting the photocatalytic performance. In recent years, the research and application of LMHP materials have developed very rapidly, especially in solar-driven applications, and a series of achievements have been reached. This review summarizes in detail the recent research progresses of visible-light-induced photocatalysis based on LMHP materials and special emphasis is focused on hydrogen production, CO2 reduction and pollutant degradation. This review may introduce new ideas for the further development of environmentally friendly and efficient new photocatalyst materials.