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Calculation of triplet-singlet transition efficiencies controlled by relative rotational diffusion of the two constituents of covalently linked radical pairs

Salikhov, Kev M ; Schlüpmann, Jenny ; Plato, Martin ; Möbius, Klauss

Chemical Physics, 1997, Vol.215(1), pp.23-35 [Peer Reviewed Journal]

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  • Title:
    Calculation of triplet-singlet transition efficiencies controlled by relative rotational diffusion of the two constituents of covalently linked radical pairs
  • Author: Salikhov, Kev M ; Schlüpmann, Jenny ; Plato, Martin ; Möbius, Klauss
  • Description: We present a model by which the efficiency of T 0 -S and T −1 -S mixing in a polyphyrin-quinone radical pair can be calculated. Rotational diffusion of the quinone relative to the porphyrin, causing a stochastic modulation of the exchange integral J , is included and contributes to the efficiency of triplet-singlet mixing. The model calculations can reproduce the mixing efficiencies extracted from time-resolved X-band EPR measurements.
  • Is Part Of: Chemical Physics, 1997, Vol.215(1), pp.23-35
  • Identifier: ISSN: 0301-0104 ; DOI: 10.1016/S0301-0104(96)00342-4
  • Subjects: Chemistry ; Physics
  • Language: English

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