Mechanochromism and Polymorphism-Dependent Emission of Tetrakis(4-(dimethylamino)phenyl)ethylene

被引：140

作者：

Qi, Qingkai ^{[1
]}

Zhang, Jibo ^{[1
]}

Xu, Bin ^{[1
]}

Li, Bao ^{[1
]}

Zhang, Sean Xiao-An ^{[1
]}

Tian, Wenjing ^{[1
]}

机构：

[1] Jilin Univ, State Key Lab Supramol Struct & Mat, Changchun 130012, Jilin, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2013年 / 117卷 / 47期

基金：

高等学校博士学科点专项科研基金;

关键词：

AGGREGATION-INDUCED-EMISSION; RESTRICTED INTRAMOLECULAR ROTATION; BOND-LENGTH ALTERNATION; PUSH-PULL CHROMOPHORES; SOLID-STATE; DEFORMATION SENSORS; TETRAPHENYLETHENE; LUMINESCENCE; STIMULI; TEMPERATURE;

D O I：

10.1021/jp407965a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The mechanochromic property of tetrakis(4(dimethylamino)phenyl)ethylene (TDMAPE) with natural propeller shape and nearly centrosymmetric structure was investigated. The destruction of the crystalline structure leads to the planarization of molecular conformation, which is considered as a possible reason for the red-shift of absorption and fluorescence spectra after grinding. And the polymorphism-dependent emissions of the two polymorphs of TDMAPE are mainly determined by the intramolecular conformation, which show the increased coplanarity or conjugation degree, ultimately leading to the bathochromic shift of the emissions.

引用

页码：24997 / 25003

页数：7

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