THE EFFECT OF INTERNAL-ROTATION ON ABSORPTION AND FLUORESCENCE OF DYE MOLECULES

被引：13

作者：

HAUCKE, G ^{[1
]}

CZERNEY, P ^{[1
]}

ILGE, HD ^{[1
]}

STEEN, D ^{[1
]}

HARTMANN, H ^{[1
]}

机构：

[1] TH CARL SCHORLEMMER LEUNA MERSEBURG,SEKT CHEM,O-4200 MERSEBURG,GERMANY

来源：

JOURNAL OF MOLECULAR STRUCTURE | 1990年 / 219卷

关键词：

D O I：

10.1016/0022-2860(90)80090-7

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：

Internal rotation around an essential single bond within a chromophoric system very often leads to a hypsochromic shift of the longest-wavelength absorption band, associated with a decrease in absorption coefficient and an increase of Stokes shift. In the case that a non-fluorescent nπ* state lies near to a fluorescent CT state, this hypsochromic shift can cause a dramatic drop of the fluorescence quantum yield and/or a strong dependence of it on solvent polarity. © 1990.

引用

页码：411 / 416

页数：6

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