A Single Crystal with Multiple Functions of Optical Waveguide, Aggregation-Induced Emission, and Mechanochromism

被引：158

作者：

Li, Yan ^{[2
]}

Ma, Zhiyong ^{[1
]}

Li, Aisen ^{[3
]}

Xu, Weiqing ^{[3
]}

Wang, Yuechao ^{[1
]}

Jiang, Hong ^{[1
]}

Wang, Kang ^{[3
]}

Zhao, Yongsheng ^{[3
]}

Jia, Xinru ^{[1
]}

机构：

[1] Peking Univ, Coll Chem & Mol Engn, Key Lab Polymer Chem & Phys Minist Educ, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China

[2] Hebei Univ Engn, Coll Mat Sci & Engn, Handan 056038, Peoples R China

[3] Jilin Univ, Inst Theoret Chem, State Key Lab Supramolecular Struct & Mat, Changchun 130012, Peoples R China

来源：

ACS APPLIED MATERIALS & INTERFACES | 2017年 / 9卷 / 10期

基金：

中国国家自然科学基金;

关键词：

single crystal; optical waveguide; mechanochromism; hydrostatic pressure; aggregation-induced emission; INTRAMOLECULAR CHARGE-TRANSFER; SOLID-STATE; SCHIFF-BASE; SUBSTITUTED TETRAPHENYLETHYLENE; CONJUGATED POLYMER; MOLECULAR DESIGN; COLOR CHANGES; TURN-ON; PHOTOPHYSICS; BEHAVIOR;

D O I：

10.1021/acsami.7b00195

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A novel single crystal, PyB, is produced in a high yield by the simple method of connecting a pyrene unit and a rhodamine B moiety together. PyB shows multiple functions of aggregation-induced emission, low-loss optical waveguiding, and tricolored mechanochromism. The crucial point for fabricating such a multifunctional single crystal is selecting the C=N group as a spacer, which simplifies the synthetic procedure, confines the molecular conformation to develop single crystals, and allows one to dynamically observe the color variation in situ and quantitatively analyze the effect of applied pressures. Such a simple approach may be extended to other fluorophores, thus providing a new opportunity for the real world application of mechanochromic materials for mechanical sensors, optical encoding, and optoelectronic devices, etc.

引用

页码：8910 / 8918

页数：9

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