期刊
ISRAEL JOURNAL OF CHEMISTRY
卷 52, 期 11-12, 页码 1002-1015出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ijch.201200073
关键词
charge transfer; hydrogen generation; photocatalysis; quantum dots; semiconductor nanocrystals
资金
- University of Colorado Boulder
- Renewable and Sustainable Energy Institute
- University of Colorado Innovative Seed Grant Program
- NSF CAREER award [CHE-1151151]
- AFOSR [FA9550-12-1-0137]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1151151] Funding Source: National Science Foundation
The use of photoexcited electrons and holes in semiconductor nanocrystals as reduction and oxidation reagents is an intriguing way of harvesting photon energy to drive chemical reactions. This review focuses on recent research efforts to understand and control the photocatalytic processes mediated by colloidal II-VI nanocrystalline materials, such as cadmium and zinc chalcogenides. First, we highlight how nanocrystal properties govern the rates and efficiencies of charge-transfer processes relevant to photocatalysis. We then describe the use of nanocrystal catalyst heterostructures for fuel-forming reactions, most commonly H2 generation. Finally, we review the use of nanocrystal photocatalysis as a synthetic tool for metalsemiconductor nano-heterostructures.
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