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Visible-light-excited robust room-temperature phosphorescence of dimeric single-component luminophores in the amorphous state

Author

Listed:
  • Danman Guo

    (GBRCE for Functuional Molecular Engineering, School of Chemistry, Sun Yat-sen University)

  • Wen Wang

    (GBRCE for Functuional Molecular Engineering, School of Chemistry, Sun Yat-sen University)

  • Kaimin Zhang

    (GBRCE for Functuional Molecular Engineering, School of Chemistry, Sun Yat-sen University)

  • Jinzheng Chen

    (Sun Yat-sen University)

  • Yuyuan Wang

    (GBRCE for Functuional Molecular Engineering, School of Chemistry, Sun Yat-sen University)

  • Tianyi Wang

    (GBRCE for Functuional Molecular Engineering, School of Chemistry, Sun Yat-sen University)

  • Wangmeng Hou

    (Sun Yat-sen University)

  • Zhen Zhang

    (Sun Yat-sen University)

  • Huahua Huang

    (Sun Yat-sen University)

  • Zhenguo Chi

    (GBRCE for Functuional Molecular Engineering, School of Chemistry, Sun Yat-sen University)

  • Zhiyong Yang

    (GBRCE for Functuional Molecular Engineering, School of Chemistry, Sun Yat-sen University
    XinHuaYue Group)

Abstract

Organic room temperature phosphorescence (RTP) has significant potential in various applications of information storage, anti-counterfeiting, and bio-imaging. However, achieving robust organic RTP emission of the single-component system is challenging to overcome the restriction of the crystalline state or other rigid environments with cautious treatment. Herein, we report a single-component system with robust persistent RTP emission in various aggregated forms, such as crystal, fine powder, and even amorphous states. Our experimental data reveal that the vigorous RTP emissions rely on their tight dimers based on strong and large-overlap π-π interactions between polycyclic aromatic hydrocarbon (PAH) groups. The dimer structure can offer not only excitons in low energy levels for visible-light excited red long-lived RTP but also suppression of the nonradiative decays even in an amorphous state for good resistance of RTP to heat (up to 70 °C) or water. Furthermore, we demonstrate the water-dispersible nanoparticle with persistent RTP over 600 nm and a lifetime of 0.22 s for visible-light excited cellular and in-vivo imaging, prepared through the common microemulsion approach without overcaution for nanocrystal formation.

Suggested Citation

  • 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.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-47937-7
    DOI: 10.1038/s41467-024-47937-7
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    References listed on IDEAS

    as
    1. 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.
    2. Fuming Xiao & Heqi Gao & Yunxiang Lei & Wenbo Dai & Miaochang Liu & Xiaoyan Zheng & Zhengxu Cai & Xiaobo Huang & Huayue Wu & Dan Ding, 2022. "Guest-host doped strategy for constructing ultralong-lifetime near-infrared organic phosphorescence materials for bioimaging," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    3. 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.
    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. Kenry & Chengjian Chen & Bin Liu, 2019. "Enhancing the performance of pure organic room-temperature phosphorescent luminophores," Nature Communications, Nature, vol. 10(1), pages 1-15, December.
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