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A new aspect on the mechanism of dye sensitization. Donor concentration dependence of the photocurrent

Authors
Journal
Chemical Physics Letters
0009-2614
Publisher
Elsevier
Publication Date
Volume
111
Identifiers
DOI: 10.1016/0009-2614(84)85546-3
Disciplines
  • Chemistry

Abstract

Abstract The photocurrent of electrochemical spectral sensitization for xanthene dyes depends largely upon the donor concentration of SnO 2 substrates. Evidence for a fast deactivation process, which occurs at the electrode surfaces, was given on the basis of the results of supersensitization and fast photopotential transient measurements.

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