期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 119, 期 43, 页码 24201-24228出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcc.5b05976
关键词
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资金
- Lehigh University
- U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy through the Sun Shot Initiative
- Joint Center for Artificial Photosynthesis, a DOE Energy Innovation Hub
- Office of Science of the U.S. Department of Energy [DE-SC0004993]
- National Science Foundation [CHE-I214152]
- Department of Energy, Office of Basic Energy Sciences [DE-FG02-03ER15483]
- Gordon and Betty Moore Foundation [GBMF1225]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1214152] Funding Source: National Science Foundation
- U.S. Department of Energy (DOE) [DE-FG02-03ER15483] Funding Source: U.S. Department of Energy (DOE)
The electrochemical instability of semiconductors in aqueous electrolytes has impeded the development of robust sunlight-driven water-splitting systems. We review the use of protective thin films to improve the electrochemical stability of otherwise unstable semiconductor photoelectrodes (e.g., Si and GaAs). We first discuss the origins of instability and various strategies for achieving stable and functional photoelectrosynthetic interfaces. We then focus specifically on the use of thin protective films on photoanodes and photocathodes for photosynthetic reactions that include oxygen evolution, halide oxidation, and hydrogen evolution. Finally, we provide an outlook for the future development of thin-layer protection strategies to enable semiconductor-based solar-driven fuel production.
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