Role of decomposition-induced and other surface states in the photoelectrochemical kinetics of n-GaP/Fe2+
- 1 January 1983
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 79 (12) , 2813-2820
- https://doi.org/10.1039/f19837902813
Abstract
Experimental results on the stabilization of the illuminated n-GaP electrode by Fe2+ ions are interpreted on the basis of a model in which the stabilization reaction is assumed to occur by electron transfer from the Fe2+ ion to a surface intermediate of the anodic decomposition reaction of the semiconductor, whereas surface recombination is assumed to involve ordinary surface states as well as decomposition intermediates. The numerical treatment of the ensuing kinetic equations leads to results which are in good agreement with the experimental data.Keywords
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