期刊
CATALYSIS TODAY
卷 199, 期 -, 页码 53-64出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cattod.2012.07.020
关键词
WO3; Water splitting; Hydrogen; Photocatalyst; Tungstate
资金
- European Union [274046]
- National Renewable Energy Laboratory, Golden, Colorado
In this focused review the progress achieved in solar water splitting over tungsten based oxide photocatalysts is summarized. Beyond simple doping of WO3, both binary and ternary oxides are discussed, presenting the various synthesis methods and resulting crystal structures. Theoretical considerations on the band structure are also given including a perspective on possible strategies for band engineering. The effectiveness of such strategies for designing tungsten-based oxide semiconductors as robust photocatalysts for stoichiometric solar water splitting, is reviewed. In addition, progress on Z-scheme based strategies using combined photocatalysts, where WO3 is responsible for water photooxidation (O-2-evolution) while H-2 generation takes place on its counterpart, is also reviewed. (C) 2012 Elsevier B.V. All rights reserved.
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