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Design of highly efficient deep-blue organic afterglow through guest sensitization and matrices rigidification

Author

Listed:
  • Shen Xu

    (Nanjing University of Posts and Telecommunications)

  • Wu Wang

    (Nanjing University of Posts and Telecommunications)

  • Hui Li

    (Nanjing University of Posts and Telecommunications)

  • Jingyu Zhang

    (Nanjing University of Posts and Telecommunications)

  • Runfeng Chen

    (Nanjing University of Posts and Telecommunications)

  • Shuang Wang

    (Nanjing University of Posts and Telecommunications)

  • Chao Zheng

    (Nanjing University of Posts and Telecommunications)

  • Guichuan Xing

    (University of Macau)

  • Chunyuan Song

    (Nanjing University of Posts and Telecommunications)

  • Wei Huang

    (Nanjing University of Posts and Telecommunications
    Northwestern Polytechnical University (NPU))

Abstract

Blue/deep-blue emission is crucial for organic optoelectronics but remains a formidable challenge in organic afterglow due to the difficulties in populating and stabilizing the high-energy triplet excited states. Here, a facile strategy to realize the efficient deep-blue organic afterglow is proposed via host molecules to sensitize the triplet exciton population of guest and water implement to suppress the non-radiative decays by matrices rigidification. A series of highly luminescent deep-blue (405–428 nm) organic afterglow materials with lifetimes up to 1.67 s and quantum yields of 46.1% are developed. With these high-performance water-responsive materials, lifetime-encrypted rewritable paper has been constructed for water-jet printing of high-resolution anti-counterfeiting patterns that can retain for a long time (>1 month) and be erased by dimethyl sulfoxide vapor in 15 min with high reversibility for many write/erase cycles. These results provide a foundation for the design of high-efficient blue/deep-blue organic afterglow and stimuli-responsive materials with remarkable applications.

Suggested Citation

  • Shen Xu & Wu Wang & Hui Li & Jingyu Zhang & Runfeng Chen & Shuang Wang & Chao Zheng & Guichuan Xing & Chunyuan Song & Wei Huang, 2020. "Design of highly efficient deep-blue organic afterglow through guest sensitization and matrices rigidification," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-18572-9
    DOI: 10.1038/s41467-020-18572-9
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    Cited by:

    1. Wenqing Xu & Guanheng Huang & Zhan Yang & Ziqi Deng & Chen Zhou & Jian-An Li & Ming-De Li & Tao Hu & Ben Zhong Tang & David Lee Phillips, 2024. "Nucleic-acid-base photofunctional cocrystal for information security and antimicrobial applications," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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