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Photochemical transfer of tetraaryl ions across the interface between two immiscible electrolyte solutions

Authors
Journal
Journal of Electroanalytical Chemistry
0022-0728
Publisher
Elsevier
Publication Date
Volume
288
Identifiers
DOI: 10.1016/0022-0728(90)80038-8
Disciplines
  • Chemistry
  • Communication

Abstract

Abstract Illumination of solutions of tetraarylborate and tetraarylarsonium ions in 1,2-dichloroethane in contact with an aqueous electrolyte solution leads to the onset of a photocurrent at the interface between the two immiscible electrolyte solutions. These photocurrents have been attributed to ion transfer reactions. Analysis of the data shows that the transferring ion is an intermediate in the photochemical decomposition of the tetraarylborate/arsonium ions. The present communication demonstrates how measurement of photocurrents at liquid/liquid interfaces can be used to measure the lifetimes of intermediates in photochemical reactions.

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