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Long lifetimes white afterglow in slightly crosslinked polymer systems

Author

Listed:
  • Qingao Chen

    (Chongqing University of Technology)

  • Lunjun Qu

    (Chongqing University of Technology)

  • Hui Hou

    (Chongqing University of Technology)

  • Jiayue Huang

    (Chongqing University of Technology)

  • Chen Li

    (Chongqing University of Technology)

  • Ying Zhu

    (Chongqing University of Technology)

  • Yongkang Wang

    (Chongqing University of Technology)

  • Xiaohong Chen

    (Chongqing University of Technology)

  • Qian Zhou

    (Chongqing University of Technology)

  • Yan Yang

    (Chongqing University of Technology)

  • Chaolong Yang

    (Chongqing University of Technology
    South China University of Technology)

Abstract

Intrinsic polymer room-temperature phosphorescence (IPRTP) materials have attracted considerable attention for application in flexible electronics, information encryption, lighting displays, and other fields due to their excellent processabilities and luminescence properties. However, achieving multicolor long-lived luminescence, particularly white afterglow, in undoped polymers is challenging. Herein, we propose a strategy of covalently coupling different conjugated chromophores with poly(acrylic acid (AA)-AA-N-succinimide ester) (PAA-NHS) by a simple and rapid one-pot reaction to obtain pure polymers with long-lived RTPs of various colors. Among these polymers, the highest phosphorescence quantum yield of PAPHE reaches 14.7%. Furthermore, the afterglow colors of polymers can be modulated from blue to red by introducing three chromophores into them. Importantly, the acquired polymer TPAP-514 exhibits a white afterglow at room temperature with the chromaticity coordinates (0.33, 0.33) when the ratio of chromophores reaches a suitable value owing to the three-primary-color mechanism. Systematic studies prove that the emission comes from the superposition of different triplet excited states of the three components. Moreover, the potential applications of the obtained polymers in light-emitting diodes and dynamic anti-counterfeiting are explored. The proposed strategy provides a new idea for constructing intrinsic polymers with diverse white-light emission RTPs.

Suggested Citation

  • 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.
  • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-47378-2
    DOI: 10.1038/s41467-024-47378-2
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    References listed on IDEAS

    as
    1. Zikai He & Weijun Zhao & Jacky W. Y. Lam & Qian Peng & Huili Ma & Guodong Liang & Zhigang Shuai & Ben Zhong Tang, 2017. "White light emission from a single organic molecule with dual phosphorescence at room temperature," Nature Communications, Nature, vol. 8(1), pages 1-8, December.
    2. 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.
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    4. Weijun Zhao & Tsz Shing Cheung & Nan Jiang & Wenbin Huang & Jacky W. Y. Lam & Xuepeng Zhang & Zikai He & Ben Zhong Tang, 2019. "Boosting the efficiency of organic persistent room-temperature phosphorescence by intramolecular triplet-triplet energy transfer," Nature Communications, Nature, vol. 10(1), pages 1-8, December.
    5. Wei-Lei Zhou & Yong Chen & Qilin Yu & Haoyang Zhang & Zhi-Xue Liu & Xian-Yin Dai & Jing-Jing Li & Yu Liu, 2020. "Ultralong purely organic aqueous phosphorescence supramolecular polymer for targeted tumor cell imaging," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
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