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Double boron–oxygen-fused polycyclic aromatic hydrocarbons: skeletal editing and applications as organic optoelectronic materials

Author

Listed:
  • Guijie Li

    (Zhejiang University of Technology)

  • Kewei Xu

    (Zhejiang University of Technology)

  • Jianbing Zheng

    (Zhejiang University of Technology)

  • Xiaoli Fang

    (Zhejiang University of Technology)

  • Yun-Fang Yang

    (Zhejiang University of Technology)

  • Weiwei Lou

    (Zhejiang University of Technology)

  • Qingshan Chu

    (Zhejiang University of Technology)

  • Jianxin Dai

    (Zhejiang University of Technology)

  • Qidong Chen

    (Zhejiang University of Technology)

  • Yuning Yang

    (Zhejiang University of Technology)

  • Yuan-Bin She

    (Zhejiang University of Technology)

Abstract

An efficient one-pot strategy for the facile synthesis of double boron–oxygen-fused polycyclic aromatic hydrocarbons (dBO-PAHs) with high regioselectivity and efficient skeletal editing is developed. The boron–oxygen-fused rings exhibit low aromaticity, endowing the polycyclic aromatic hydrocarbons with high chemical and thermal stabilities. The incorporation of the boron–oxygen units enables the polycyclic aromatic hydrocarbons to show single-component, low-temperature ultralong afterglow of up to 20 s. Moreover, the boron–oxygen-fused polycyclic aromatic hydrocarbons can also serve as ideal n-type host materials for high-brightness and high-efficiency deep-blue OLEDs; compared to single host, devices using boron–oxygen-fused polycyclic aromatic hydrocarbons-based co-hosts exhibit dramatically brightness and efficiency enhancements with significantly reduced efficiency roll-offs; device 9 demonstrates a high color-purity (Commission International de l’Eclairage CIEy = 0.104), and also achieves a record-high external quantum efficiency (28.0%) among Pt(II)-based deep-blue OLEDs with Commission International de l’Eclairage CIEy

Suggested Citation

  • Guijie Li & Kewei Xu & Jianbing Zheng & Xiaoli Fang & Yun-Fang Yang & Weiwei Lou & Qingshan Chu & Jianxin Dai & Qidong Chen & Yuning Yang & Yuan-Bin She, 2023. "Double boron–oxygen-fused polycyclic aromatic hydrocarbons: skeletal editing and applications as organic optoelectronic materials," Nature Communications, Nature, vol. 14(1), pages 1-16, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-42973-1
    DOI: 10.1038/s41467-023-42973-1
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    References listed on IDEAS

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    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.
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