期刊
CHEMICAL COMMUNICATIONS
卷 56, 期 88, 页码 13559-13562出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc05389a
关键词
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资金
- National Natural Science Foundation of China [21704042, 21772095, 21604039, 61875090, 91833306, 21674049, 21971113]
- Six Talent Plan of Jiangsu Province [XCL-049]
- 1311 Talents Program of Nanjing University of Posts and Telecommunications (Dingshan)
- Natural Science Fund for Colleges and Universities in Jiangsu Province [17KJB150017]
- China Postdoctoral Science Foundation [2018M642284]
- Nanjing University of Posts and Telecommunications Start-up Fund (NUPTSF) [NY219007, NY217140]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [46030CX18011]
We present X-ray-excitable organic ultralong room temperature phosphorescence (X-OURTP) for afterglow scintillators through implanting lone-pair electron involved n-pi* transitions and efficient charge transfer characters into H-aggregations of organic crystals. The thus designed X-OURTP molecule exhibits ultralong lifetimes up to 790 ms, high phosphorescence quantum yields of similar to 8%, and excellent scintillation stability. These findings will pave the way to the design of organic afterglow scintillators, simulating extensive investigations on the extraordinary X-OURTP.
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