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Science 23 November 1984:
Vol. 226. no. 4677, pp. 917 - 921
DOI: 10.1126/science.226.4677.917
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Articles

Exciplexes and Electron Transfer Reactions

Susan L. Mattes 1 and Samir Farid 1

1 Research Laboratories, Eastman Kodak Company, Rochester, New York 14650.

Electronically excited molecules, being better electron donors and acceptors than their ground states, form charge-transfer complexes (exciplexes) which can lead to radical ions. Exciplex emission is widely used to probe polymers and organized media such as membranes and micelles. Exciplexes are also intermediates in photoreactions that lead to unique products. Photochemical electron-transfer processes, which are the basis of silver halide photography and electrophotography, are involved in many reactions of wide scope. Recent studies have led to the discovery of several electron-transfer photooxygenations with a diversity that will probably rival that of singlet oxygen. Both exciplex emission and photochemical electron transfer play important roles in organic photochemistry.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Excimers and Exciplexes of Conjugated Polymers.
S. A. Jenekhe and J. A. Osaheni (1994)
Science 265, 765-768
   Abstract »    PDF »


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Science. ISSN 0036-8075 (print), 1095-9203 (online)