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Hydrogen-bonded supramolecular polymer networks for effective removal of perchlorate in water via clustered hydrogen-bonding

Author

Listed:
  • Jintao Tian

    (Northwest Normal University)

  • Xing Han

    (Northwest Normal University)

  • Hao-Ran Yang

    (Northwest Normal University)

  • Juan Liu

    (Northwest Minzu University (Northwest University for Nationalities))

  • Jin-Fa Chen

    (Northwest Normal University)

  • Tai-Bao Wei

    (Northwest Normal University)

  • Hong Yao

    (Northwest Normal University)

  • Wen-Juan Qu

    (Northwest Normal University)

  • Bingbing Shi

    (Northwest Normal University)

  • Qi Lin

    (Northwest Normal University)

Abstract

Perchlorate is a toxic, explosive, and water-soluble pollutant but while efficient and low-cost removal of ClO4− from water is an important challenge, suitable methods for precipitation of ClO4− from water are underdeveloped. Here, we demonstrate a hydrogen-bonded supramolecular polymer network crystal (HBPC) for efficient complexation of ClO4−. The HBPC network is constructed by an A,A’-bis-pyridyl-hydrazone-phenyl conjugate-functionalized pillar[5]arene (PYP5), which self-assembles via the formation of clustered hydrogen-bonds. Two-pyridyl-hydrazone moieties provide coordination sites while the eight ethoxyl moieties on the pillar[5]arene enable multiple hydrogen bonding motifs to tightly bind to the ClO4−. The HBPC network therefore adsorbs ClO4− ions and facilitates the separation of these ions from water.

Suggested Citation

  • Jintao Tian & Xing Han & Hao-Ran Yang & Juan Liu & Jin-Fa Chen & Tai-Bao Wei & Hong Yao & Wen-Juan Qu & Bingbing Shi & Qi Lin, 2025. "Hydrogen-bonded supramolecular polymer networks for effective removal of perchlorate in water via clustered hydrogen-bonding," Nature Communications, Nature, vol. 16(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-61910-y
    DOI: 10.1038/s41467-025-61910-y
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    References listed on IDEAS

    as
    1. Yitao Wu & Meiqi Tang & Zeju Wang & Le Shi & Zhangyi Xiong & Zhijie Chen & Jonathan L. Sessler & Feihe Huang, 2023. "Pillararene incorporated metal–organic frameworks for supramolecular recognition and selective separation," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Jingyu Chen & Wenjie Zhang & Wenzhi Yang & Fengcheng Xi & Hongyi He & Minghao Liang & Qian Dong & Jiawang Hou & Mengbin Wang & Guocan Yu & Jiong Zhou, 2024. "Separation of benzene and toluene associated with vapochromic behaviors by hybrid[4]arene-based co-crystals," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
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