ISOMERIZATION OF DIPHENYL POLYENES .4. EVIDENCE FOR 2 LUMINESCENT CONFORMERS OF 1,4-DIPHENYL-1,3-BUTADIENE IN POLY(VINYL ALCOHOL) FILMS

被引：8

作者：

KAWSKI, A

KUKLINSKI, B

KUBICKI, A

PISZCZEK, G

机构：

[1] Luminescence Research Group, Institute of Experimental Physics, University of Gdańsk

来源：

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES | 1993年 / 48卷 / 07期

关键词：

D O I：

10.1515/zna-1993-0704

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：

Investigations of the effect of the excitation light wavelength on the intensity distribution in the fluorescence band of 1,4-diphenyl-1,3-butadiene (DPB) in poly(vinyl alcohol) films (PVA) at 296 and 87 K for samples before and after heating to 423 K, and fluorescence lifetime measurements have shown that trans-trans and cis-trans conformers are responsible for the emission of fluorescence. The fluorescence properties of the DPB sample in PVA heated to 423 K were found to be similar to those of DBP in polyvinyl chloride and polyvinyl formal at 296 K.

引用

页码：759 / 764

页数：6

共 11 条

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