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Photo-oxidation of water sensitized by WO3 powder
Abstract
WO3 powder photosensitized the oxidation of water by Fe3+ ions with blue light (400–450 nm). The formal quantum efficiency for oxygen production at 405 nm was (3.1 ± 0.1)× 10–3 mol ein–1. Oxygen production was partially inhibited by Fe2+, oxygen and high concentrations of Fe3+(> 10–2 mol dm–3). Depositing RuO2 on to the semiconductor powder produced a moderate increase in the rate of oxygen production, while deposits of Pt, Rh and Ru lead to a decrease in the rate of oxygen formation. Unlike most of the artificial systems which have been described for the photo-oxidation of water with visible light, this system operates with an electron acceptor (Fe3+) which is part of a reversible redox couple (Fe3+/Fe2+).
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Citations
Cited by
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Chen, X., Shen, S., Guo, L., & Mao, S. S. (2010) · Chemical Reviews · doi:10.1021/cr1001645 · Cited by 7,876
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Osterloh, F. E. (2013) · Chem. Soc. Rev. · doi:10.1039/c2cs35266d · Cited by 2,047
Photocatalytic water splitting using semiconductor particles: History and recent developments
Maeda, K. (2011) · Journal of Photochemistry and Photobiology C: Photochemistry Reviews · doi:10.1016/j.jphotochemrev.2011.07.001 · Cited by 1,359
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Litter, M. (1999) · Applied Catalysis B: Environmental · doi:10.1016/s0926-3373(99)00069-7 · Cited by 1,355
Metadata
- Authors
- Darwent, J. R., & Mills, A.
- Venue
- Journal of the Chemical Society, Faraday Transactions 2
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 1982
- Volume
- 78
- Issue
- 2
- Pages
- 359
- ISSN
- 0300-9238 (ISSN-L)
- OpenAlex
- W2053014942
- Cited by
- 187
- References
- 0
- FWCI
- 6.67
- Type
- journal article
- Language
- en
- Open access
- closed
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- Darwent, J. R., & Mills, A. (1982). Photo-oxidation of water sensitized by WO3 powder. Journal of the Chemical Society, Faraday Transactions 2. https://doi.org/10.1039/f29827800359
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