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The influence of the molecular packing on the room temperature phosphorescence of purely organic luminogens

Author

Listed:
  • Jie Yang

    (Wuhan University)

  • Xu Zhen

    (School of Chemical and Biomedical Engineering Nanyang Technological University)

  • Bin Wang

    (Beijing University of Technology)

  • Xuming Gao

    (Wuhan University)

  • Zichun Ren

    (Wuhan University)

  • Jiaqiang Wang

    (Wuhan University)

  • Yujun Xie

    (Wuhan University)

  • Jianrong Li

    (Beijing University of Technology)

  • Qian Peng

    (Chinese Academy of Sciences)

  • Kanyi Pu

    (School of Chemical and Biomedical Engineering Nanyang Technological University)

  • Zhen Li

    (Wuhan University)

Abstract

Organic luminogens with persistent room temperature phosphorescence (RTP) have attracted great attention for their wide applications in optoelectronic devices and bioimaging. However, these materials are still very scarce, partially due to the unclear mechanism and lack of designing guidelines. Herein we develop seven 10-phenyl-10H-phenothiazine-5,5-dioxide-based derivatives, reveal their different RTP properties and underlying mechanism, and exploit their potential imaging applications. Coupled with the preliminary theoretical calculations, it is found that strong π–π interactions in solid state can promote the persistent RTP. Particularly, CS-CF3 shows the unique photo-induced phosphorescence in response to the changes in molecular packing, further confirming the key influence of the molecular packing on the RTP property. Furthermore, CS-F with its long RTP lifetime could be utilized for real-time excitation-free phosphorescent imaging in living mice. Thus, our study paves the way for the development of persistent RTP materials, in both the practical applications and the inherent mechanism.

Suggested Citation

  • Jie Yang & Xu Zhen & Bin Wang & Xuming Gao & Zichun Ren & Jiaqiang Wang & Yujun Xie & Jianrong Li & Qian Peng & Kanyi Pu & Zhen Li, 2018. "The influence of the molecular packing on the room temperature phosphorescence of purely organic luminogens," Nature Communications, Nature, vol. 9(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-03236-6
    DOI: 10.1038/s41467-018-03236-6
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    Cited by:

    1. Danman Guo & Wen Wang & Kaimin Zhang & Jinzheng Chen & Yuyuan Wang & Tianyi Wang & Wangmeng Hou & Zhen Zhang & Huahua Huang & Zhenguo Chi & Zhiyong Yang, 2024. "Visible-light-excited robust room-temperature phosphorescence of dimeric single-component luminophores in the amorphous state," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    2. Xing Wang Liu & Weijun Zhao & Yue Wu & Zhengong Meng & Zikai He & Xin Qi & Yiran Ren & Zhen-Qiang Yu & Ben Zhong Tang, 2022. "Photo-thermo-induced room-temperature phosphorescence through solid-state molecular motion," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. Wenlang Li & Qiuyi Huang & Zhu Mao & Xiaoyi He & Dongyu Ma & Juan Zhao & Jacky W. Y. Lam & Yi Zhang & Ben Zhong Tang & Zhenguo Chi, 2022. "A dish-like molecular architecture for dynamic ultralong room-temperature phosphorescence through reversible guest accommodation," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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