Aggregation-induced emission and remarkable piezochromism based on tetraphenylethene modified cyanostilbene derivative

被引：18
作者：
Zhan, Yong [1 ,3 ]
Zhao, Qian [4 ]
Yang, Wenjun [2 ]
机构：
[1] China Jiliang Univ, Coll Life Sci, Hangzhou 310018, Peoples R China
[2] Qingdao Univ Sci & Technol, Coll Chem & Mol Engn, Shandong Key Lab Biochem Anal, Qingdao 266042, Peoples R China
[3] Huaqiao Univ, Fujian Key Lab Photoelect Funct Mat, Xiamen 361021, Fujian, Peoples R China
[4] China Jiliang Univ, Coll Mat & Chem, Hangzhou 310018, Peoples R China
来源：
TETRAHEDRON LETTERS | 2021年 / 73卷
关键词：
Tetraphenylethene; Cyanostilbene; Piezochromism; Aggregation-induced emission; Fluorescence response; MECHANOFLUOROCHROMISM; MECHANOCHROMISM; LUMINESCENCE; DONOR; MECHANOLUMINESCENCE; SOLVATOCHROMISM; EMITTERS; BEHAVIOR;
D O I：
10.1016/j.tetlet.2021.153136
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The D-pi-A-pi-D type tetraphenylethene-based cyanostilbene derivative TPEAN had been designed and synthesized. Solvatochromic experiment and theoretical calculation illustrated that TPEAN occurred unique intramolecular charge transfer (ICT) process. Luminogen TPEAN also exhibited AIE activity. The nanoparticles gradually formed and emitted intense fluorescence at high water content in a mixture of THF/water. Interestingly, TPEAN displayed remarkable piezochromism. A emission color change from bright green to dark yellow occurred for the pristine solid of TPEAN after grinding treatment. This emitting color change could recover to its original state after fuming. The current work could be help us to effectively design molecular structure to achieve an obvious fluorescence response to external force. (C) 2021 Elsevier Ltd. All rights reserved.
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页数：5
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