IDEAS home Printed from https://ideas.repec.org/a/nat/natcom/v11y2020i1d10.1038_s41467-020-14669-3.html
   My bibliography  Save this article

Thermally activated triplet exciton release for highly efficient tri-mode organic afterglow

Author

Listed:
  • Jibiao Jin

    (Nanjing University of Posts & Telecommunications)

  • He Jiang

    (Nanjing University of Posts & Telecommunications)

  • Qingqing Yang

    (Nanjing University of Posts & Telecommunications)

  • Lele Tang

    (Nanjing University of Posts & Telecommunications)

  • Ye Tao

    (Nanjing University of Posts & Telecommunications)

  • Yuanyuan Li

    (Nanjing University of Posts & Telecommunications)

  • Runfeng Chen

    (Nanjing University of Posts & Telecommunications)

  • Chao Zheng

    (Nanjing University of Posts & Telecommunications)

  • Quli Fan

    (Nanjing University of Posts & Telecommunications)

  • Kenneth Yin Zhang

    (Nanjing University of Posts & Telecommunications)

  • Qiang Zhao

    (Nanjing University of Posts & Telecommunications)

  • Wei Huang

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

Abstract

Developing high-efficient afterglow from metal-free organic molecules remains a formidable challenge due to the intrinsically spin-forbidden phosphorescence emission nature of organic afterglow, and only a few examples exhibit afterglow efficiency over 10%. Here, we demonstrate that the organic afterglow can be enhanced dramatically by thermally activated processes to release the excitons on the stabilized triplet state (T1*) to the lowest triplet state (T1) and to the singlet excited state (S1) for spin-allowed emission. Designed in a twisted donor–acceptor architecture with small singlet-triplet splitting energy and shallow exciton trapping depth, the thermally activated organic afterglow shows an efficiency up to 45%. This afterglow is an extraordinary tri-mode emission at room temperature from the radiative decays of S1, T1, and T1*. With the highest afterglow efficiency reported so far, the tri-mode afterglow represents an important concept advance in designing high-efficient organic afterglow materials through facilitating thermally activated release of stabilized triplet excitons.

Suggested Citation

  • Jibiao Jin & He Jiang & Qingqing Yang & Lele Tang & Ye Tao & Yuanyuan Li & Runfeng Chen & Chao Zheng & Quli Fan & Kenneth Yin Zhang & Qiang Zhao & Wei Huang, 2020. "Thermally activated triplet exciton release for highly efficient tri-mode organic afterglow," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-14669-3
    DOI: 10.1038/s41467-020-14669-3
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/s41467-020-14669-3
    File Function: Abstract
    Download Restriction: no
    File URL: https://libkey.io/10.1038/s41467-020-14669-3?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Peisheng Cao & Haoyue Zheng & Peng Wu, 2022. "Multicolor ultralong phosphorescence from perovskite-like octahedral α-AlF3," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    2. 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.
    3. Jiuyang Li & Xun Li & Guangming Wang & Xuepu Wang & Minjian Wu & Jiahui Liu & Kaka Zhang, 2023. "A direct observation of up-converted room-temperature phosphorescence in an anti-Kasha dopant-matrix system," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-14669-3. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.nature.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.