2-STEP LASER EXCITATION OF 3-HYDROXYFLAVONE WITH STIMULATED-EMISSION PUMPING

被引：19

作者：

SEPIOL, J

KOLOS, R

机构：

[1] Institute of Physical Chemistry, the Polish Academy of Sciences, Kasprzaka 44

来源：

CHEMICAL PHYSICS LETTERS | 1990年 / 167卷 / 05期

关键词：

D O I：

10.1016/0009-2614(90)85028-B

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：

The effect of stimulated-emission pumping (SEP) on the two-step laser excitation (TSLE) fluorescence of 3-hydroxyflavone in 3-methylpentane solution has been investigated. The results presented contradict the idea of a long-lived ground-state tautomer as a species responsible for TSLE fluorescence. An alternative mechanism involving the triplet-triplet absorption followed by the excited triplet-singlet intersystem crossing is discussed. © 1990.

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页码：445 / 449

页数：5

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