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The influence of dielectric relaxation on intramolecular electron transfer

โœ Scribed by H. Heitele; M.E. Michel-Beyerle; P. Finckh

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
592 KB
Volume
138
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

An unusually strong temperature dependence on the intramolecular eiectron-transfer rate has been observed for bridged donor-acceptor compounds in propylene glycol solution. In the frame of recent electron-transfer theories this effect reflects the influence of dielectric relaxation dynamics on electron transfer. With increasing dielectric relaxation time a smooth transition from non-adiabatic to solvent-controlled adiabatic behaviour is observed. The electron transfer rate in the solvent-controlled adiabatic limit is dominated by an inhomogeneous distribution of relaxation times.

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