Enabling long-lived organic room temperature phosphorescence in polymers by subunit interlocking

Suzhi Cai, Huili Ma, Huifang Shi, He Wang, Xuan Wang, Leixin Xiao, Wenpeng Ye, Kaiwei Huang, Xudong Cao, Nan Gan, Chaoqun Ma, Mingxing Gu, Lulu Song, Hai Xu, Youtian Tao, Chunfeng Zhang, Wei Yao, Zhongfu An () and Wei Huang ()
Additional contact information
Suzhi Cai: Nanjing Tech University
Huili Ma: Nanjing Tech University
Huifang Shi: Nanjing Tech University
He Wang: Nanjing Tech University
Xuan Wang: Nanjing Tech University
Leixin Xiao: Nanjing University
Wenpeng Ye: Nanjing Tech University
Kaiwei Huang: Nanjing Tech University
Xudong Cao: Nanjing Tech University
Nan Gan: Nanjing Tech University
Chaoqun Ma: Nanjing Tech University
Mingxing Gu: Nanjing Tech University
Lulu Song: Nanjing Tech University
Hai Xu: Nanjing Tech University
Youtian Tao: Nanjing Tech University
Chunfeng Zhang: Nanjing University
Wei Yao: Nanjing Tech University
Zhongfu An: Nanjing Tech University
Wei Huang: Nanjing Tech University

Nature Communications, 2019, vol. 10, issue 1, 1-8

Abstract: Abstract 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.

Date: 2019
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DOI: 10.1038/s41467-019-11749-x

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