ABSORPTION AND EMISSION SPECTROSCOPIC INVESTIGATION OF CYANOVINYLDIETHYLANILINE DYE VAPORS

被引：122

作者：

DESHPANDE, AV ^{[1
]}

BEIDOUN, A ^{[1
]}

PENZKOFER, A ^{[1
]}

WAGENBLAST, G ^{[1
]}

机构：

[1] BASF AG,W-6700 LUDWIGSHAFEN,GERMANY

来源：

CHEMICAL PHYSICS | 1990年 / 142卷 / 01期

关键词：

D O I：

10.1016/0301-0104(90)89075-2

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 dyes 4-dicyanovinyl-N,N-diethylaniline (DCVA) and 4-tricyanovinyl-N,N-diethylaniline (TCVA) are investigated spectroscopically in the vapor phase. The absorption and emission spectra are compared with solution spectra. The thermal stability of the dye powder is determined. The saturated vapor density versus temperature is deduced from absorption measurements. The vapor absorption peaks at 382 nm (DCVA) and 437 nm (TCVA). The fluorescence quantum efficiency of both dyes in the vapor phase is approximately 1.5×10-4. © 1990.

引用

页码：123 / 131

页数：9

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