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

被引：534
|
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
收藏
页码：6195 / 6201
页数：7
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