FLUORESCENCE CHARACTERISTICS OF 1,3-DIHYDROXYNAPHTHALENE, 1,4-DIHYDROXYNAPHTHALENE, 2,3-DIHYDROXYNAPHTHALENE AND 2,7-DIHYDROXYNAPHTHALENE RADICAL CATIONS

被引：0
|
作者：
BAHARVAND, AR
ZAIDI, ZH
MACHWE, MK
机构：
[1] UNIV DELHI,DEPT PHYS & ASTROPHYS,DELHI 110007,INDIA
[2] JAMIA MILLIA ISLAMIA,DEPT PHYS,NEW DELHI 110025,INDIA
来源：
CURRENT SCIENCE | 1991年 / 60卷 / 03期
关键词：
D O I：
暂无
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
We have recorded excitation and fluorescene spectra of 1,3-, 1,4-, 2,3- and 2,7-dihydroxynaphthalene radical cations in a rigid matrix. While the parent compounds give rise to broad and structureless emission bands, the ionic spectra exhibit, in addition to an intense band, a few weaker bands. Excitation wavelength and fluorescence maxima for the cations are shifted towards longer wavelength compared to those for the parent molecules. The characteristic features of the spectra are explained in relation to the position of -OH groups in the molecule.
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页码：171 / 173
页数：3
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