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An AIEgen-based 3D covalent organic framework for white light-emitting diodes

Author

Listed:
  • Huimin Ding

    (Wuhan University)

  • Jian Li

    (Peking University
    Stockholm University)

  • Guohua Xie

    (Wuhan University)

  • Guiqing Lin

    (Wuhan University)

  • Rufan Chen

    (Wuhan University)

  • Zhengkang Peng

    (Wuhan University)

  • Chuluo Yang

    (Wuhan University)

  • Baoshan Wang

    (Wuhan University)

  • Junliang Sun

    (Peking University
    Stockholm University)

  • Cheng Wang

    (Wuhan University)

Abstract

The design and synthesis of three-dimensional covalent organic frameworks (3D COFs) have still been considered as a big challenge. Here we report the design and synthesis of an AIEgen-based 3D COF (3D-TPE-COF), with a high surface area (1084 m2 g−1). According to powder X-ray diffraction and continuous rotation electron diffraction analyses, 3D-TPE-COF is identified to adopt a seven-fold interpenetrated pts topology. Interestingly, 3D-TPE-COF emits yellow fluorescence upon excitation, with a photoluminescence quantum yield of 20%. Moreover, by simply coating 3D-TPE-COF onto a commercial blue light-emitting diode (LED), a prototype white LED (WLED) under continuously driving without degradation for 1200 h was demonstrated. The present work suggests the possibility of using COF materials for stable WLEDs, which will greatly inspire us to design and synthesize fluorescent 3D COFs and facilitate the development of COF-based WLEDs in future.

Suggested Citation

  • Huimin Ding & Jian Li & Guohua Xie & Guiqing Lin & Rufan Chen & Zhengkang Peng & Chuluo Yang & Baoshan Wang & Junliang Sun & Cheng Wang, 2018. "An AIEgen-based 3D covalent organic framework for white light-emitting diodes," Nature Communications, Nature, vol. 9(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07670-4
    DOI: 10.1038/s41467-018-07670-4
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    Cited by:

    1. Zhe Lian & Jing He & Lin Liu & Yanqing Fan & Xuebo Chen & Hua Jiang, 2023. "[2,2] Paracyclophanes-based double helicates for constructing artificial light-harvesting systems and white LED device," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    2. Jian Li & Cong Lin & Tianqiong Ma & Junliang Sun, 2022. "Atomic-resolution structures from polycrystalline covalent organic frameworks with enhanced cryo-cRED," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. Shuo Li & Kun Liu & Xue-Chen Feng & Zhao-Xian Li & Zhi-Yuan Zhang & Bin Wang & Minjie Li & Yue-Ling Bai & Lei Cui & Chunju Li, 2022. "Synthesis and macrocyclization-induced emission enhancement of benzothiadiazole-based macrocycle," Nature Communications, Nature, vol. 13(1), pages 1-7, December.

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