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Experimental and theoretical study of spin evolution ‘freezing’ of the radical ion pair in MARY spectroscopy

✍ Scribed by V.N Verkhovlyuk; V.A Morozov; D.V Stass; A.B Doktorov; Yu.N Molin

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
267 KB
Volume
378
Category
Article
ISSN
0009-2614

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✦ Synopsis

The Letter presents a method of describing the process of single charge transfer in the partner of a radical ion pair, accompanied by changes in its hyperfine structure. In the particular case of ÔfreezingÕ of spin evolution in the pair due to collapse of hyperfine interactions upon single charge transfer and in the approximation of exponential recombination kinetics the suggested model describes MARY spectra for three important classes of processes in nonpolar solutions: chemical decay of the pair partner, Ôdark captureÕ of the partner, and slowing down of spin evolution in the partner upon abrupt narrowing of its ESR spectrum.

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