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Controllable synthesis of conjugated microporous polymer films for ultrasensitive detection of chemical warfare agents

Author

Listed:
  • Wanqi Mo

    (Northeast Forestry University)

  • Zihao Zhu

    (Northeast Forestry University)

  • Fanwei Kong

    (Northeast Forestry University)

  • Xiaobai Li

    (Northeast Forestry University
    Northeast Forestry University)

  • Yu Chen

    (Northeast Forestry University)

  • Huaqian Liu

    (Northeast Forestry University)

  • Zhiyong Cheng

    (Northeast Forestry University)

  • Hongwei Ma

    (Northeast Forestry University
    Northeast Forestry University)

  • Bin Li

    (Northeast Forestry University
    Northeast Forestry University)

Abstract

Nerve agents, one of the most toxic chemical warfare agents, seriously threaten human life and public security. The high toxicity of nerve agents makes the development of fluorescence sensors with suitable limit of detection challenging. Here, we propose a sensor design based on a conjugated microporous polymer film for the detection of diethyl chlorophosphate, a substitute of Sarin, with low detection limit of 2.5 ppt. This is due to the synergy of the susceptible on-off effect of hybridization and de-hybridization of hybrid local and charge transfer (HLCT) materials and the microporous structure of CMP films facilitating the inward diffusion of DCP vapors, and the extended π-conjugated structure. This strategy provides a new idea for the future development of gas sensors. In addition, a portable sensor is successfully integrated based on TCzP-CMP films that enables wireless, remote, ultrasensitive, and real-time detection of DCP vapors.

Suggested Citation

  • Wanqi Mo & Zihao Zhu & Fanwei Kong & Xiaobai Li & Yu Chen & Huaqian Liu & Zhiyong Cheng & Hongwei Ma & Bin Li, 2022. "Controllable synthesis of conjugated microporous polymer films for ultrasensitive detection of chemical warfare agents," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-32878-w
    DOI: 10.1038/s41467-022-32878-w
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    References listed on IDEAS

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    1. Zongyao Zhou & Xiang Li & Dong Guo & Digambar B. Shinde & Dongwei Lu & Long Chen & Xiaowei Liu & Li Cao & Ammar M. Aboalsaud & Yunxia Hu & Zhiping Lai, 2020. "Electropolymerization of robust conjugated microporous polymer membranes for rapid solvent transport and narrow molecular sieving," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
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    Cited by:

    1. Zishuo Yan & Xiaoyan Liu & Bin Ding & Jianyong Yu & Yang Si, 2023. "Interfacial engineered superelastic metal-organic framework aerogels with van-der-Waals barrier channels for nerve agents decomposition," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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