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The decay parameters of *Ru(phen)32+ and *Ru(bpy)32+ as a function of temperature in H2O, CH3CN, and their mixtures are quite similar, and the reorganization energies for their electron-transfer quenching, whether reductive or oxidative, are virtually identical. The nature of the localization of the electron in the excited states seems to have no significant effect on the observed photophysics and electron-transfer quenching in fluid solution at or near room temperature.
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Li et al. (1998) studied this question.
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