Conclusions
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1.
The dependence of the rate constant of reverse electron transfer in triplet exciplexes having the structure of radical-ion pairs on the free energy of the process passes through a maximum in the vicinity of 1 eV.
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2.
An internal-heavy-atom effect is observed for the triplet exciplexes: the rate constant of reverse electron transfer increases when Br atoms are introduced into the reactants as substituents.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1004–1007, May, 1988.
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Levin, P.P., Kuz'min, V.A. & Pluzhnikov, P.F. Energy-gap rule and kinetics of reverse electron transfer in triplet exciplexes. Russ Chem Bull 37, 874–876 (1988). https://doi.org/10.1007/BF00957049
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DOI: https://doi.org/10.1007/BF00957049