AIE-Active Chiral [3]Rotaxanes with Switchable Circularly Polarized Luminescence

被引:112
作者
Li, Wei-Jian [1 ,2 ]
Gu, Qingyi [3 ]
Wang, Xu-Qing [1 ,2 ]
Zhang, Dan-Yang [1 ,2 ]
Wang, Yu-Te [1 ,2 ]
He, Xiao [3 ]
Wang, Wei [1 ,2 ]
Yang, Hai-Bo [1 ,2 ]
机构
[1] East China Normal Univ, Sch Chem & Mol Engn, Shanghai Key Lab Green Chem & Chem Proc, 3663 N Zhongshan Rd, Shanghai 200062, Peoples R China
[2] East China Normal Univ, Sch Chem & Mol Engn, Chang Kung Chuang Inst, 3663 N Zhongshan Rd, Shanghai 200062, Peoples R China
[3] East China Normal Univ, Sch Chem & Mol Engn, Shanghai Engn Res Ctr Mol Therapeut & New Drug De, 3663 N Zhongshan Rd, Shanghai 200062, Peoples R China
基金
中国国家自然科学基金; 国家重点研发计划;
关键词
aggregation-induced emission; chiral rotaxanes; circularly polarized luminescence; pillar[5]arene; stimuli responsiveness; AGGREGATION-INDUCED EMISSION;
D O I
10.1002/anie.202100934
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The construction of circularly polarized luminescence (CPL) switches with multiple switchable emission states and high dissymmetry factors (g(lum)) has attracted increasing attention due to their broad applications in diverse fields such as the development of smart devices and sensors. Herein, a new family of AIE-active chiral [3]rotaxanes were designed and synthesized, from which a novel CPL switching system was successfully constructed. The switching process was realized through the controlled motions of the chiral pillar[5]arene macrocycles along the axle through the addition or removal of the acetate anions, which not only modulated the chirality information transfer but also tuned the aggregations of the integrated [3]rotaxanes, thus resulting in reversible transformations between two emission states with both high photoluminescence quantum yields (PLQYs) and high dissymmetry factors (g(lum)) values.
引用
收藏
页码:9507 / 9515
页数:9
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