A stable tetraphenylethene derivative: aggregation-induced emission, different crystalline polymorphs, and totally different mechanoluminescence properties

被引：227

作者：

Wang, Can ^{[1
]}

Xu, Bingjia ^{[2
,3
]}

Li, Mengshu ^{[1
]}

Chi, Zhenguo ^{[2
,3
]}

Xie, Yujun ^{[1
]}

Li, Qianqian ^{[1
]}

Li, Zhen ^{[1
]}

机构：

[1] Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China

[2] Sun Yat Sen Univ, Sch Chem & Chem Engn, PCFM Lab, Guangzhou 510275, Guangdong, Peoples R China

[3] Sun Yat Sen Univ, Sch Chem & Chem Engn, GD HPPC Lab, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China

来源：

MATERIALS HORIZONS | 2016年 / 3卷 / 03期

基金：

美国国家科学基金会;

关键词：

LIGHT-EMISSION; INTRAMOLECULAR ROTATION; DELAYED FLUORESCENCE; MECHANICAL-STRESS; CANCER-CELLS; SOLID-STATE; TRIBOLUMINESCENCE; LUMINOGENS; RESTRICTION; HEXAPHENYLCARBODIPHOSPHORANE;

D O I：

10.1039/c6mh00025h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Two crystalline polymorphs of TMPE, with the space groups P2(1)(c) and C2, are cultured from different solvent mixtures and display apparent blue fluorescence with the characteristic of aggregation induced emission (AIE). Excitedly, the P2(1)(c) crystal exhibits easily observed mechanoluminescence (ML), while there is no mechanoluminescence for the C2 crystal. Careful investigation of their crystal structures and three analogues demonstrates that the special molecule packing of TMPE in the P2(1)(c) crystal accounts for its exciting efficientML performance, providing some information to understand the structure-property relationship of efficient organic ML materials.

引用

页码：220 / 225

页数：6

共 54 条

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