Fluorescence enhancements of benzene-cored luminophors by restricted intramolecular rotations: AIE and AIEE effects

Qi Zeng; Zhen Li; Yongqiang Dong; Chong'an Di; Anjun Qin; Yuning Hong; Li Ji; Zhichao Zhu; Cathy K. W. Jim; Gui Yu; Qianqian Li; Zhongan Li; Yunqi Liu; Jingui Qin; Ben Zhong Tang

doi:10.1039/B613522F

Fluorescence enhancements of benzene-cored luminophors by restricted intramolecular rotations: AIE and AIEE effects†

Qi Zeng,^a Zhen Li,*^a Yongqiang Dong,^b Chong'an Di,^c Anjun Qin,^b Yuning Hong,^b Li Ji,^a Zhichao Zhu,^a Cathy K. W. Jim,^b Gui Yu,^c Qianqian Li,^a Zhongan Li,^a Yunqi Liu,^c Jingui Qin*^a and Ben Zhong Tang*^b

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* Corresponding authors

^a Hubei Key Laboratory on Organic and Polymeric Optoelectronic Materials, Department of Chemistry, Wuhan University, Wuhan, China
E-mail: lizhen@whu.edu.cn, jgqin@whu.edu.cn
Fax: +86-27-6875-6757
Tel: +86-27-6225-4108

^b Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Kowloon, Hong Kong, China
E-mail: tangbenz@ust.hk
Fax: +852-2358-1594
Tel: +852-2358-7375

^c Organic Solids Laboratories, Institute of Chemistry, The Chinese Academy of Sciences, Beijing, China

Abstract

Photoluminescence of simple arylbenzenes with ready synthetic accessibility is enhanced by two orders of magnitude through aggregate formation; viscosity and temperature effects indicate that the emission enhancement is due to the restriction of their intramolecular rotations in the solid state.

Chemical Communications

Fluorescence enhancements of benzene-cored luminophors by restricted intramolecular rotations: AIE and AIEE effects†

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Fluorescence enhancements of benzene-cored luminophors by restricted intramolecular rotations: AIE and AIEE effects

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