A pillar[5]arene-based side-chain pseudorotaxanes and polypseudorotaxanes as novel fluorescent sensors for the selective detection of halogen ions

被引:0
|
作者
Shu Sun [1 ,2 ]
Jian-Bing Shi [1 ]
Yu-Ping Dong [1 ]
Chen Lin [2 ]
Xiao-Yu Hu [2 ]
Le-Yong Wang [2 ]
机构
[1] School of Materials Science and Engineering, Beijing Institute of Technology
[2] Key Laboratory of Mesoscopic Chemistry of MOE, Center for Multimolecular Chemistry, School of Chemistry and Chemical Engineering, Nanjing University
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
Pillar[5]arene; Polypseudorotaxanes; Fluorescent sensor; Halogen ions detection;
D O I
暂无
中图分类号
O657.1 [电化学分析法];
学科分类号
070302 ; 081704 ;
摘要
A pseudorotaxane and its polypseudorotaxanes formed between pillar[5]arene moieties and noctylpyrazinium cations as novel fluorescent sensors for the selective detection of halogen ions were reported.A collapse of these pillar[5]arene-based pseudorotaxanes and polypseudorotaxanes occurred upon the addition of Cl,Br,and I(tetrabutylammonium salts),respectively,leading to their fluorescence recovery.The fluorescence enhancement of the pseudorotaxane and the polypseudorotaxanes increases in the order of I<Br<Cl,and the differences in fluorescence intensity could be easily distinguished by naked eyes under UV light illumination.
引用
收藏
页码:987 / 992
页数:6
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