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A general design approach toward covalent organic frameworks for highly efficient electrochemiluminescence

Author

Listed:
  • Ya-Jie Li

    (Nanchang University)

  • Wei-Rong Cui

    (Nanchang University)

  • Qiao-Qiao Jiang

    (Nanchang University)

  • Qiong Wu

    (Nanchang University)

  • Ru-Ping Liang

    (Nanchang University)

  • Qiu-Xia Luo

    (Nanchang University)

  • Jian-Ding Qiu

    (Nanchang University
    Pingxiang University)

Abstract

Electrochemiluminescence (ECL) plays a key role in analysis and sensing because of its high sensitivity and low background. Its wide applications are however limited by a lack of highly tunable ECL luminophores. Here we develop a scalable method to design ECL emitters of covalent organic frameworks (COFs) in aqueous medium by simultaneously restricting the donor and acceptor to the COFs’ tight electron configurations and constructing high-speed charge transport networks through olefin linkages. This design allows efficient intramolecular charge transfer for strong ECL, and no exogenous poisonous co-reactants are needed. Olefin-linked donor-acceptor conjugated COFs, systematically synthesized by combining non-ECL active monomers with C2v or C3v symmetry, exhibit strong ECL signals, which can be boosted by increasing the chain length and conjugation of monomers. The present concept demonstrates that the highly efficient COF-based ECL luminophores can be precisely designed, providing a promising direction toward COF-based ECL phosphors.

Suggested Citation

  • Ya-Jie Li & Wei-Rong Cui & Qiao-Qiao Jiang & Qiong Wu & Ru-Ping Liang & Qiu-Xia Luo & Jian-Ding Qiu, 2021. "A general design approach toward covalent organic frameworks for highly efficient electrochemiluminescence," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-25013-8
    DOI: 10.1038/s41467-021-25013-8
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    Cited by:

    1. Cheng-Rong Zhang & Wei-Rong Cui & Shun-Mo Yi & Cheng-Peng Niu & Ru-Ping Liang & Jia-Xin Qi & Xiao-Juan Chen & Wei Jiang & Xin Liu & Qiu-Xia Luo & Jian-Ding Qiu, 2022. "An ionic vinylene-linked three-dimensional covalent organic framework for selective and efficient trapping of ReO4− or 99TcO4−," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    2. Cheng-Peng Niu & Cheng-Rong Zhang & Xin Liu & Ru-Ping Liang & Jian-Ding Qiu, 2023. "Synthesis of propenone-linked covalent organic frameworks via Claisen-Schmidt reaction for photocatalytic removal of uranium," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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