Fluorescence lifetime of Nile Red as a probe for the hydrogen bonding strength with its microenvironment

被引：142

作者：

Cser, A ^{[1
]}

Nagy, K ^{[1
]}

Biczók, L ^{[1
]}

机构：

[1] Hungarian Acad Sci, Chem Res Ctr, H-1525 Budapest, Hungary

来源：

CHEMICAL PHYSICS LETTERS | 2002年 / 360卷 / 5-6期

基金：

匈牙利科学研究基金会;

关键词：

D O I：

10.1016/S0009-2614(02)00784-4

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 fluorescence lifetime of Nile Red (NR) is not sensitive to dielectric solvent-sol Lite interactions but markedly decreases with the increase of the hydrogen bond donating ability in alcohols because vibrations associated with hydrogen bonding are involved in the deactivation process. The negligible viscosity effect indicates that twisting of the diethylamino moiety of NR does not play significant role in the dissipation of the excitation energy. (C) 2002 Published by Elsevier Science B.V.

引用

页码：473 / 478

页数：6

共 31 条

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