Twisted D–π–A solid emitters: efficient emission and high contrast mechanochromism

Yongyang Gong; Yeqiang Tan; Jun Liu; Ping Lu; Cunfang Feng; Wang Zhang Yuan; Yawei Lu; Jing Zhi Sun; Gufeng He; Yongming Zhang

doi:10.1039/C3CC39243K

Twisted D–π–A solid emitters: efficient emission and high contrast mechanochromism†

Yongyang Gong,^a Yeqiang Tan,^b Jun Liu,^c Ping Lu,^d Cunfang Feng,^d Wang Zhang Yuan,*^a Yawei Lu,^a Jing Zhi Sun,^b Gufeng He*^c and Yongming Zhang*^a

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* Corresponding authors

^a School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
E-mail: wzhyuan@sjtu.edu.cn, ymzsjtu@yahoo.com.cn
Fax: +86-21-54742567
Tel: +86-21-34202613

^b Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China

^c National Engineering Lab for TFT-LCD Materials and Technologies, and Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
E-mail: gufenghe@sjtu.edu.cn

^d State Key Lab of Supramolecular Structure and Materials, Jilin University, Changchun 130012, China

Abstract

Triphenylacrylonitrile and diarylamine based D–π–A luminogens exhibit typical AIE characteristics with high solid state efficiency up to unity and switchable mechanochromism with high contrast, which render them multifunctional materials for versatile applications in optical storage, volatile organic compound (VOC) detection, OLEDs, etc.

Chemical Communications

Twisted D–π–A solid emitters: efficient emission and high contrast mechanochromism†

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Twisted D–π–A solid emitters: efficient emission and high contrast mechanochromism

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