Journal
OPTICS EXPRESS
Volume 27, Issue 4, Pages A51-A80Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.27.000A51
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Funding
- National Natural Science Foundation of China [51672183]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Office of Energy Efficiency and Renewable Energy, Fuel Cell Technologies Office [EE0008086]
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Solar water splitting using Si photoelectrodes in photoelectrochemical (PEC) cells offers a promising approach to convert sunlight into sustainable hydrogen energy, which has recently received intense research. This review summarizes the recent advances in the development of efficient and stable Si photoelectrodes for solar water splitting. The definition and representation of efficiency and stability for Si photoelectrodes are firstly introduced. We then present several basic strategies for designing highly efficient and stable Si photoelectrodes, including surface textures, protective layer, catalyst loading and the integration of the system. Finally, we highlight the progress that has been made in Si photocathodes and Si photoanodes, respectively, with emphasis on how to integrate Si with protective layer and catalyst. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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