ULTRAFAST FLUORESCENCE RISETIME OF A POLYATOMIC MOLECULE IN SOLUTION AND UNDER COLLISION-FREE CONDITIONS

被引：21

作者：

KOPAINSKY, B

KAISER, W

机构：

[1] Physik Department der Technischen Universität München, Munich

来源：

CHEMICAL PHYSICS LETTERS | 1979年 / 66卷 / 01期

关键词：

D O I：

10.1016/0009-2614(79)80364-4

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 fluorescence rise in solution and in the vapor phase was investigated for the same molecule, dimethyl-POPOP. After optical excitation the structured fluorescence spectrum of the solution evolves in a time shorter than 2 ps. Likewise the fluorescence in the vapor phase rises within less than 2 ps. This finding suggests rapid intramolecular vibrational relaxation in S1 For excitation with a large excess energy of 11000 cm-1 the relaxation to fluorescing states in S1 is still fast under collision-free conditions. © 1979.

引用

页码：39 / 43

页数：5

共 23 条

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