VISCOSITY DEPENDENCE OF THE FLUORESCENCE LIFETIMES OF CRYPTOCYANINE, PINACYANOL AND DDI

被引：25

作者：

ESKE, AT

RAZINAQVI, K

机构：

[1] Institute of Physics, University of Trondheim, N-7000 Trondheim, Norges Loererhøgskole

来源：

CHEMICAL PHYSICS LETTERS | 1979年 / 63卷 / 01期

关键词：

D O I：

10.1016/0009-2614(79)80473-X

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：

Viscosity dependence of the fluorescence lifetimes of cryptocyanine, pinacyanol and I, I'-diethyl-2,2'-dicarbocyanine iodide (DDI) has been studied by making relative quantum yield measurements in five solvents. It has also been established. by means of flash kinetic spectroscopy, that, in rigid solvents, φoF+φoIC ≈ 1 for all three dyes, where φoF and φoIC stand for the intrinsic quantum yields of fluorescence emission and internal conversion, respectively. Values of the intrisic rate constant of internal conversion are also presented. © 1979.

引用

页码：128 / 132

页数：5

共 24 条

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