Nonequilibrium Ultrafast Charge Transfer Reactions in Photoexcited Donor-Acceptor Pairs
作者： Valentina A. Mikhailova , Sergey V. Feskov , Vladimir N. Ionkin , Vladislav V. Yudanov , Anatoly I. Ivanov
DOI: 10.1007/978-90-481-8650-1_19
关键词:
摘要: The ultrafast charge recombination kinetics in photoexcited donor- acceptor pairs polar solvents has been explored. By using experimental data and theoretical modeling, the key role of medium nonequilibrium elucidated. influence excitation pulse spectral characteristics as well dynamic properties solvent on such processes analyzed. reorganization high-frequency vibrational modes hot electronic transitions shown to accelerate low exergonic region suppress it moderate exothermicity. can straighten dependence logarithm rate constant free energy gap form that be fitted data. separation from second excited state subsequent first for a series supramolecular systems have quantitatively reproduced framework stochastic multi-channel model.
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