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Evolution of the reaction mechanism during ultrafast photoinduced electron transfer

机译:超快光诱导电子转移过程中反应机理的演变

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摘要

Specific features of ultrafast photoinduced electron transfer (ET) in concentrated liquid solutions and in neat electron donating solvents are discussed in terms of continuous distribution of ET rate constants, related to electron tunneling with statistical distribution of electronic coupling matrix element and distances between reactant molecules. Available data on photoinduced electron transfer in solutions for several systems are analyzed. Electron tunneling approach is shown to provide global description of nonexponential kinetics of excited states decay at various concentrations of reactant and in neat solvents.
机译:根据ET速率常数的连续分布,讨论了浓缩溶液和纯给电子溶剂中的超快光致电子传递(ET)的特定特征,该速率常数与电子隧穿,电子耦合基质元素的统计分布以及反应物分子之间的距离有关。分析了几种系统溶液中有关光致电子转移的可用数据。显示出电子隧穿方法可提供各种浓度的反应物和纯溶剂中激发态衰减的非指数动力学的整体描述。

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