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Journal Article

Solvent influence on the magnetic field effect of polymethylene‐linked photogenerated radical ion pairs.

MPS-Authors
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Staerk,  H.
Department of Spectroscopy and Photochemical Kinetics, MPI for biophysical chemistry, Max Planck Society;

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Weller,  A.
Abteilung Spektroskopie, MPI for biophysical chemistry, Max Planck Society;

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2377018.pdf
(Publisher version), 707KB

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Citation

Busmann, H. G., Staerk, H., & Weller, A. (1989). Solvent influence on the magnetic field effect of polymethylene‐linked photogenerated radical ion pairs. The Journal of Chemical Physics, 91(7), 4098-4105. doi:10.1063/1.457624.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002C-2B55-0
Abstract
The solvent viscosity and polarity dependence of the magnetic field effect in polymethylene‐linked radical ion pairs, which were generated by photoinduced intramolecular electron transfer in compounds of the type pyrene–(CH2)n–N,N‐dimethylaniline, has been studied. A stochastic Liouville equation is used, in which the dynamics of the polymethylene chain, the spin Hamiltonian as a function of the varying radical distance (exchange interaction), and a distance‐dependent back electron transfer rate are incorporated. The results are compared with predictions made on the basis of the (static) subensemble approximation.