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Issue 19, 1996
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Mechanistic studies of the one-electron oxidation of water to hydroxyl radicals photosensitized by perfluorinated p-terphenyl

Abstract

Photo-oxidation of water in a system consisting of perfluorinated p-terphenyl (F-OPP-3) as a photosensitizer, O2 as an oxidative quencher and benzene as a hydroxyl radical scavenger is mechanistically studied by laser flash photolysis and γ-ray and pulse radiolysis. The radical cation of F-OPP-3 (F-OPP-3˙+) is formed via the oxidative quenching of its excited singlet state by O2. The decay of F-OPP-3˙+ observed in transient spectroscopy is enhanced by the addition of water to the system, indicating that F-OPP-3˙+ plays a crucial role in the one-electron oxidation of water.

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Article information


J. Chem. Soc., Faraday Trans., 1996,92, 3491-3495
Article type
Paper

Mechanistic studies of the one-electron oxidation of water to hydroxyl radicals photosensitized by perfluorinated p-terphenyl

T. Kitamura, Y. Wada, K. Murakoshi, M. Kusaba, N. Nakashima, A. Ishida, T. Majima, S. Takamuku, T. Akano and S. Yanagida, J. Chem. Soc., Faraday Trans., 1996, 92, 3491 DOI: 10.1039/FT9969203491

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