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Published June 18, 1998 | public
Journal Article

Progress in Understanding Electron-Transfer Reactions at Semiconductor/Liquid Interfaces

Abstract

This article describes theoretical treatments and experimental data focused on the rates of interfacial electron-transfer processes at semiconductor/liquid contacts. These systems are of practical interest because such electron transfers are a critical factor in understanding the behavior of photoelectrochemical cells as energy conversion devices. These processes are of theoretical interest because the description of how a delocalized charge carrier in a semiconducting solid reacts with a localized redox acceptor that is dissolved in the liquid electrolyte is a relatively undeveloped area of electron-transfer theory. The general principles of these processes, a discussion of past and present experimental data, and a comparison between theoretical expectations and experimental observations on a variety of semiconducting electrode systems are the main focus of this article.

Additional Information

© 1998 American Chemical Society. Received: December 1, 1997; In Final Form: March 26, 1998. The National Science Foundation and the Department of Energy, Office of Basic Energy Sciences, are acknowledged for providing the funding for most of the work from Caltech that is summarized in this article. Acknowledgment is also made to a very talented group of graduate student and postdoctoral co-workers, only some of whom have been acknowledged by name, but all of whom have made essential contributions to developing this work to its current level of understanding. I also wish to acknowledge invaluable discussions with colleagues including F. Anson, A. Bard, C. Chidsey, S. Feldberg, H. Finklea, A. Fujishima, H. Gerischer, S. Gottesfeld, A. Heller, J. Hupp, C. Koval, R. Marcus, R. Memming, B. Miller, C. Miller, R. J. D. Miller, T. Mallouk, A. Nozik, B. Parkinson, H. Tributsch, D. Waldeck, and M. Wrighton, among others, that have immensely contributed to advancing my personal understanding of this interesting field of science.

Additional details

Created:
August 19, 2023
Modified:
October 18, 2023