Piezofluorochromism and morphology of a new aggregation-induced emission compound derived from tetraphenylethylene and carbazole

被引：100

作者：

Zhou, Xie ^{[1
]}

Li, Haiyin ^{[2
,3
]}

Chi, Zhenguo ^{[2
,3
]}

Zhang, Xiqi ^{[2
,3
]}

Zhang, Jianyong ^{[2
,3
]}

Xu, Bingjia ^{[2
,3
]}

Zhang, Yi ^{[2
,3
]}

Liu, Siwei ^{[2
,3
]}

Xu, Jiarui ^{[2
,3
]}

机构：

[1] Sun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou 510275, Guangdong, Peoples R China

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

[3] Sun Yat Sen Univ, Sch Chem & Chem Engn, KLGHEI Environm & Energy Chem, FCM Inst,State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China

来源：

NEW JOURNAL OF CHEMISTRY | 2012年 / 36卷 / 03期

基金：

中国国家自然科学基金;

关键词：

REVERSIBLE MECHANOCHROMIC LUMINESCENCE; ORGANIC NANOPARTICLES; LIGHT-EMISSION; DERIVATIVES; TRIPHENYLETHYLENE; PHOTOLUMINESCENT; MODULATION; MOLECULES; CRYSTALS; COLORS;

D O I：

10.1039/c1nj20782b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new piezofluorochromic aggregation-induced emission compound was synthesized. The compound had morphology-alterable emission property and its amorphous and crystalline aggregates with various emissions were obtained through evaporation from the solutions in different solvent systems. The spectroscopic properties and morphological structures of the compound were reversed upon pressing and annealing (or fuming). The results show that the piezofluorochromic nature is generated through crystalline-amorphous phase transformation under external pressure. The reason for the phase transformation is ascribed to the twisted conformation of the molecule which leads to poor solid molecular packing and formation of some cavities in the interfaces of lamellar layers, as confirmed by single crystal X-ray diffraction analysis.

引用

页码：685 / 693

页数：9

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