Tunable solid-state photoluminescence based on proton-triggered structural transformation of 4,4′-bipyridinium derivative

被引:36
作者
Zhou, Xue-Jun [1 ,2 ]
Chen, Cheng [1 ]
Ren, Cai-Xia [1 ,2 ]
Sun, Jian-Ke [1 ]
Zhang, Jie [1 ]
机构
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
关键词
AGGREGATION-INDUCED EMISSION; LUMINESCENCE; FLUORESCENCE;
D O I
10.1039/c2tc00111j
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
An organic molecular system with proton-tunable photoluminescence properties based on a mono-substituted bipyridinium derivative 1-(3-carboxybenzyl)-4,4'-bipyridinium chloride, which possesses both pyridine and carboxylic acid groups as proton-responsive units, has been developed. Through controlling the pH value of the self-assembled systems, three compounds with different degrees of protonation have been obtained. These compounds display distinctly different luminescence behaviors and undergo solid-state structural conversion in response to changes in pH values. In particular, luminescence switching triggered by acid-base vapor can be realized.
引用
收藏
页码:744 / 750
页数:7
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