Electronically Excited States of Free Radicals

被引：1

作者：

Khudyakov, Igor V. ^{[1
]}

机构：

[1] Columbia Univ, Dept Chem, New York, NY 10027 USA

来源：

PHYSCHEM | 2023年 / 3卷 / 03期

关键词：

photoexcited free radicals; Jablonsky diagram; reactions with dioxygen; doublet and quartet states; DYNAMICS; QUARTET; IONS; PHOTOCHEMISTRY;

D O I：

10.3390/physchem3030023

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Formation of the excited doublet (D) and quartet (Q) states of free radicals under their photoexcitation is discussed. The relative positions of the D and Q states are compared to the positions of the photoexcited states of organic molecules (Jablonsky diagram). A number of representative cases of the excited states of free radicals detected by their transient absorption or emission are presented. A special case of the population having the lowest Q state in some radicals is discussed. A spin-statistical factor in the reactions of Q and D is debated.

引用

页码：332 / 341

页数：10

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