Achieving Persistent Room Temperature Phosphorescence and Remarkable Mechanochromism from Pure Organic Luminogens

被引：556

作者：

Gong, Yongyang ^{[1
]}

Chen, Gan ^{[1
]}

Peng, Qian ^{[2
]}

Yuan, Wang Zhang ^{[1
]}

Xie, Yujun ^{[2
]}

Li, Shuhong ^{[3
]}

Zhang, Yongming ^{[1
]}

Tang, Ben Zhong ^{[4
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Shanghai Key Lab Elect Insulat & Thermal Aging, Shanghai 200240, Peoples R China

[2] Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China

[3] Beijing Technol & Business Univ, Sch Sci, Beijing 100048, Peoples R China

[4] Hong Kong Univ Sci & Technol, Dept Chem, Clear Water Bay, Kowloon, Hong Kong, Peoples R China

来源：

ADVANCED MATERIALS | 2015年 / 27卷 / 40期

基金：

中国国家自然科学基金;

关键词：

crystallization-induced phosphorescence; intermolecular interactions; mechanochromism; persistent phosphorescence; pure organic luminogens; WHITE-LIGHT EMISSION; EXCITED-STATES; LUMINESCENCE; FLUORESCENCE; COMPONENT; AGGREGATION; DYNAMICS; STRATEGY;

D O I：

10.1002/adma.201502442

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Persistent room temperature phosphorescence (RTP) from pure organic luminogens can be rationally realized based on the crystallization-induced phosphorescence phenomenon and severe crystallization. A perfect crystal with dense molecular packing and effective intermolecular interactions isolates the triplet excitons from quenching sites and significantly blocks the high-energy vibrational dissipation, thus yielding long-lasting RTP.

引用

页码：6195 / 6201

页数：7

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