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Ion Pairing and Electron Transfer

Marcus, R. A. (1998) Ion Pairing and Electron Transfer. Journal of Physical Chemistry B, 102 (49). pp. 10071-10077. ISSN 1089-5647. doi:10.1021/jp9834457.

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Several scenarios are considered for the effect of electrolytes, specifically for ion pairing, on the rates of electron transfer reactions:  (i) electron transfer followed by ion transfer, (ii) ion-pair dissociation followed by electron transfer, or (iii) ion transfer accompanying the electron transfer. The latter may involve fast or slow (diffusive) ionic motion. A distinction is made between ion reorganization (case (iii)) and the formation of real chemical intermediates. The ion pairs themselves may be tight (contact) or loose (solvent separated). The discussion is illustrated with an example in the literature. Differences in degree in behavior of intramolecular and intermolecular electron transfer, due to differences in extent of ionic motion, are noted.

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Marcus, R. A.0000-0001-6547-1469
Additional Information:© 1998 American Chemical Society. Received August 21, 1998; In Final Form October 12, 1998. It is a pleasure to acknowledge the support of this research by the Office of Naval Research and by the National Science Foundation, and the very helpful comments of Piotr Piotrowiak. This article is dedicated to Allen Bard on the occasion of his 65th birthday. Al’s contributions to the electron transfer field have been immense, continually inventive and pioneering, and I am happy to participate in this Festschrift volume dedicated to him.
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Office of Naval Research (ONR)UNSPECIFIED
Issue or Number:49
Record Number:CaltechAUTHORS:20150513-165258796
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Official Citation:Marcus, R. A. (1998). Ion Pairing and Electron Transfer. The Journal of Physical Chemistry B, 102(49), 10071-10077. doi: 10.1021/jp9834457
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:57516
Deposited On:14 May 2015 21:55
Last Modified:10 Nov 2021 21:51

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