期刊
NATURE COMMUNICATIONS
卷 10, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-019-11749-x
关键词
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资金
- National Natural Science Foundation of China [51673095, 21875104, 91833304, 91833302]
- National Basic Research Program of China (973 Program) [2015CB932200]
- Natural Science Fund for Distinguished Young Scholars of Jiangsu Province [BK20180037]
- Natural Science Fund for Colleges and Universities [17KJB430020]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX18_1118]
Long-lived room temperature phosphorescence (LRTP) is an attractive optical phenomenon in organic electronics and photonics. Despite the rapid advance, it is still a formidable challenge to explore a universal approach to obtain LRTP in amorphous polymers. Based on the traditional polyethylene derivatives, we herein present a facile and concise chemical strategy to achieve ultralong phosphorescence in polymers by ionic bonding cross-linking. Impressively, a record LRTP lifetime of up to 2.1 s in amorphous polymers under ambient conditions is set up. Moreover, multicolor long-lived phosphorescent emission can be procured by tuning the excitation wavelength in single-component polymer materials. These results outline a fundamental principle for the construction of polymer materials with LRTP, endowing traditional polymers with fresh features for potential applications.
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