Cucurbit[7]uril-tetraphenylethene host-guest system induced emission activity

被引：13
|
作者：
Jiang, Rong [1 ]
Wang, Shuang [1 ]
Li, Jinping [1 ]
机构：
[1] Taiyuan Univ Technol, Res Inst Special Chem, Taiyuan 030024, Peoples R China
来源：
RSC ADVANCES | 2016年 / 6卷 / 06期
关键词：
FLUORESCENCE; RECOGNITION; PROBE; CYCLODEXTRIN; DERIVATIVES; INCLUSION;
D O I：
10.1039/c5ra24264a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A host-guest complex was successfully constructed from cucurbit[7]uril (Q[7]) and quaternary ammonium-modified tetraphenylethene derivative, 1,1,2,2-tetrakis{2-[2-(N,N,N-trimethylammonium) ethyoxyl]phenyl}-tetraphenylethene bromide (TAPET), and characterized by a wide range of techniques. This host-guest complex exhibits an AIE nature, resulting in strong fluorescence in dilute solution due to the restriction of the intramolecular rotation of the phenyl moieties of TAPET upon the addition of Q[7]. Moreover, addition of competitive guest 1-adamantanamine hydrochloride (Ada) leads to effective dissociation of the host-guest complex Q[7]-TATPE and turns the fluorescence emission off.
引用
收藏
页码：4478 / 4482
页数：5
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