FLUORESCENCE DECAY DYNAMICS OF ORGANIC-DYE MOLECULES IN SOLUTION

被引:21
作者
GROFCSIK, A [1 ]
KUBINYI, M [1 ]
JONES, WJ [1 ]
机构
[1] UNIV COLL SWANSEA,DEPT CHEM,SWANSEA SA2 8PP,W GLAM,WALES
关键词
D O I
10.1016/0022-2860(95)08623-4
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
A picosecond laser system consisting of two tuneable dye lasers pumped synchronously by a mode locked argon-ion laser has been used for studying the relaxation of the S-1 excited states of dye molecules Nile Blue and Oxazine 720. The dependence of the excited state lifetimes on the solvent and on the temperature are discussed. Both intramolecular and intermolecular decay channels contribute to the radiationless deexcitation. The mechanism of intramolecular decay is different, while that of intermolecular decay is very similar for the two molecules.
引用
收藏
页码:197 / 200
页数:4
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