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Ultraviolet irradiation-responsive dynamic ultralong organic phosphorescence in polymeric systems

Author

Listed:
  • Yongfeng Zhang

    (Chongqing University of Technology)

  • Liang Gao

    (Chongqing University of Technology)

  • Xian Zheng

    (Chongqing University of Technology)

  • Zhonghao Wang

    (Chongqing University of Technology)

  • Chaolong Yang

    (Chongqing University of Technology)

  • Hailong Tang

    (Chongqing University of Technology)

  • Lunjun Qu

    (Chongqing University of Technology)

  • Youbing Li

    (Chongqing University of Technology)

  • Yanli Zhao

    (Nanyang Technological University)

Abstract

Room temperature phosphorescence (RTP) has drawn extensive attention in recent years. Efficient stimulus-responsive phosphorescent organic materials are attractive, but are extremely rare because of unclear design principles and intrinsically spin-forbidden intersystem crossing. Herein, we present a feasible and facile strategy to achieve ultraviolet irradiation-responsive ultralong RTP (IRRTP) of some simple organic phosphors by doping into amorphous poly(vinyl alcohol) matrix. In addition to the observed green and yellow afterglow emission with distinct irradiation-enhanced phosphorescence, the phosphorescence lifetime can be tuned by varying the irradiation period of 254 nm light. Significantly, the dynamic phosphorescence lifetime could be increased 14.3 folds from 58.03 ms to 828.81 ms in one of the obtained hybrid films after irradiation for 45 min under ambient conditions. As such, the application in polychromatic screen printing and multilevel information encryption is demonstrated. The extraordinary IRRTP in the amorphous state endows these systems with a highly promising potential for smart flexible luminescent materials and sensors with dynamically controlled phosphorescence.

Suggested Citation

  • Yongfeng Zhang & Liang Gao & Xian Zheng & Zhonghao Wang & Chaolong Yang & Hailong Tang & Lunjun Qu & Youbing Li & Yanli Zhao, 2021. "Ultraviolet irradiation-responsive dynamic ultralong organic phosphorescence in polymeric systems," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-22609-y
    DOI: 10.1038/s41467-021-22609-y
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    Cited by:

    1. Xin Zhang & Yaohui Cheng & Jingxuan You & Jinming Zhang & Chunchun Yin & Jun Zhang, 2022. "Ultralong phosphorescence cellulose with excellent anti-bacterial, water-resistant and ease-to-process performance," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Qingao Chen & Lunjun Qu & Hui Hou & Jiayue Huang & Chen Li & Ying Zhu & Yongkang Wang & Xiaohong Chen & Qian Zhou & Yan Yang & Chaolong Yang, 2024. "Long lifetimes white afterglow in slightly crosslinked polymer systems," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    3. Guang Lu & Jing Tan & Hongxiang Wang & Yi Man & Shuo Chen & Jing Zhang & Chunbo Duan & Chunmiao Han & Hui Xu, 2024. "Delayed room temperature phosphorescence enabled by phosphines," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    4. Rui Tian & Shuo Gao & Kaitao Li & Chao Lu, 2023. "Design of mechanical-robust phosphorescence materials through covalent click reaction," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    5. Liang Gao & Jiayue Huang & Lunjun Qu & Xiaohong Chen & Ying Zhu & Chen Li & Quanchi Tian & Yanli Zhao & Chaolong Yang, 2023. "Stepwise taming of triplet excitons via multiple confinements in intrinsic polymers for long-lived room-temperature phosphorescence," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    6. Juan Wei & Chenyuan Liu & Jiayu Duan & Aiwen Shao & Jinlu Li & Jiangang Li & Wenjie Gu & Zixian Li & Shujuan Liu & Yun Ma & Wei Huang & Qiang Zhao, 2023. "Conformation-dependent dynamic organic phosphorescence through thermal energy driven molecular rotations," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    7. Jingxuan You & Xin Zhang & Qinying Nan & Kunfeng Jin & Jinming Zhang & Yirong Wang & Chunchun Yin & Zhiyong Yang & Jun Zhang, 2023. "Aggregation-regulated room-temperature phosphorescence materials with multi-mode emission, adjustable excitation-dependence and visible-light excitation," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    8. Kaijun Chen & Yongfeng Zhang & Yunxiang Lei & Wenbo Dai & Miaochang Liu & Zhengxu Cai & Huayue Wu & Xiaobo Huang & Xiang Ma, 2024. "Twofold rigidity activates ultralong organic high-temperature phosphorescence," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    9. Huai Chen & Mingyang Wei & Yantao He & Jehad Abed & Sam Teale & Edward H. Sargent & Zhenyu Yang, 2022. "Germanium silicon oxide achieves multi-coloured ultra-long phosphorescence and delayed fluorescence at high temperature," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    10. Xiao Zhang & Mingjian Zeng & Yewen Zhang & Chenyu Zhang & Zhisheng Gao & Fei He & Xudong Xue & Huanhuan Li & Ping Li & Gaozhan Xie & Hui Li & Xin Zhang & Ningning Guo & He Cheng & Ansheng Luo & Wei Zh, 2023. "Multicolor hyperafterglow from isolated fluorescence chromophores," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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