Long-lived phosphorescence of aqueous solutions of β-cyclodextrin complexes with naphthalene and its derivatives at room temperature

被引：4
|
作者：
Nazarov, VB [1 ]
Vershinnikova, TG [1 ]
Alfimov, MV [1 ]
机构：
[1] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Moscow Region, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 1999年 / 48卷 / 10期
基金：
俄罗斯基础研究基金会;
关键词：
complex; cyclodextrin; naphthalene; long-lived phosphorescence; excimer fluorescence;
D O I：
10.1007/BF02494763
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A long-lived phosphorescence at room temperature (lifetime > 1 s) of aqueous solutions of beta-cyclodextrin complexes with naphthalene and its derivatives was found. The phosphorescence is observed for aggregated complexes that form in water a light-scattering suspension, and its low intensity is due to predomination of 2 : 2 complexes with efficient excimer fluorescence. Complexes containing isolated aromatic molecules are assumed to be the centers of fluorescence.
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页码：1998 / 2000
页数：3
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