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Fry等在苯溶液中研究了三乙酰基丙酮合铁[以下用M(AA)_n表示过渡金属乙酰基丙酮配合物]等金属配合物对各种敏化剂激发态的淬灭反应后,认为有两种最可能的淬灭机制,即经由激态复合物的电子能量转移机制和重原子催化系间窜越机制,如下式所示:
Fry et al. Studied the quenching reaction of metal complexes of triacetylacetonato iron [hereinafter referred to as M (AA) _n as transition metal acetylacetone complex] with respect to the excited states of various sensitizers, and it is considered that There are two most likely quenching mechanisms, namely the electron energy transfer mechanism via the exciplex and the mechanism of heavy atom catalysis, as shown in the following equation: