Voltammetry of semiconductor electrodes. 2. Cyclic voltammetry of freely diffusing redox species and rotating semiconductor disk voltammetry

Patrick G. Santangelo, Gordon M. Miskelly, Nathan S Lewis

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A model electrode circuit has been utilized to describe the cyclic voltammetric response of a semiconductor photoelectrode in contact with a freely diffusing reversible redox system. This equivalent circuit formalism also has been used to generate a set of working curves for the steady-state voltammetric behavior of a reversible redox system at a rotating semiconductor disk electrode. The model electrode circuit consisted of an ideal photodiode in series with a metal electrode. The current-voltage solutions have been obtained under varying conditions of illumination, scan rate, or rotation velocity, and the results are presented in a working curve format.

Original languageEnglish
Pages (from-to)6128-6136
Number of pages9
JournalJournal of Physical Chemistry
Volume93
Issue number16
Publication statusPublished - 1989

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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