Reversible Switching of the Emission of Diphenyldibenzofulvenes by Thermal and Mechanical Stimuli

被引：620

作者：

Luo, Xiaoliang ^{[1
]}

Li, Jienian ^{[1
]}

Li, Cuihong ^{[1
]}

Heng, Liping ^{[2
]}

Dong, Yong Qiang ^{[1
]}

Liu, Zhengping ^{[1
]}

Bo, Zhishan ^{[1
]}

Tang, Ben Zhong ^{[2
,3
,4
]}

机构：

[1] Beijing Normal Univ, Dept Chem, Beijing 100875, Peoples R China

[2] HKUST, Inst Mol Funct Mat, Dept Chem, Kowloon, Hong Kong, Peoples R China

[3] Fok Ying Tung Res Inst, Guangzhou, Guangdong, Peoples R China

[4] Zhejiang Univ, Dept Polymer Sci & Engn, Hangzhou 310027, Peoples R China

来源：

ADVANCED MATERIALS | 2011年 / 23卷 / 29期

基金：

美国国家科学基金会;

关键词：

INDUCED COLOR CHANGES; PHOTOLUMINESCENT POLYMER BLENDS; AGGREGATION-INDUCED EMISSION; MECHANOCHROMIC LUMINESCENCE; DEFORMATION SENSORS; CRYSTALS; PHOSPHORESCENT; FLUOROPHORES; VAPOCHROMISM; TEMPERATURE;

D O I：

10.1002/adma.201101059

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The thermochromic and mechanochromic fluorescence of diphenyldibenzofulvenes is investigated. Emission is boosted and blue-shifted upon crystallization. Yellow emissive crystals of the material transform to green fluorescent crystals upon heating before melting. Reversible switching of the emission color and efficiency are achieved by repeated amorphization and crystallization of dye molecules by a pure thermal process or grinding-heating cycles.

引用

页码：3261 / +

页数：6

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