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Contact-electro-catalysis for the degradation of organic pollutants using pristine dielectric powders

Author

Listed:
  • Ziming Wang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Andy Berbille

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    National Center for Nanoscience and Technology (NCNST))

  • Yawei Feng

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Site Li

    (Carnegie Mellon University)

  • Laipan Zhu

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Wei Tang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Zhong Lin Wang

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    Georgia Institute of Technology)

Abstract

Mechanochemistry has been studied for some time, but research on the reactivity of charges exchanged by contact-electrification (CE) during mechanical stimulation remains scarce. Here, we demonstrate that electrons transferred during the CE between pristine dielectric powders and water can be utilized to directly catalyze reactions without the use of conventional catalysts. Specifically, frequent CE at Fluorinated Ethylene Propylene (FEP) - water interface induces electron-exchanges, thus forming reactive oxygen species for the degradation of an aqueous methyl orange solution. Contact-electro-catalysis, by conjunction of CE, mechanochemistry and catalysis, has been proposed as a general mechanism, which has been demonstrated to be effective for various dielectric materials, such as Teflon, Nylon-6,6 and rubber. This original catalytic principle not only expands the range of catalytic materials, but also enables us to envisage catalytic processes through mechano-induced contact-electrification.

Suggested Citation

  • Ziming Wang & Andy Berbille & Yawei Feng & Site Li & Laipan Zhu & Wei Tang & Zhong Lin Wang, 2022. "Contact-electro-catalysis for the degradation of organic pollutants using pristine dielectric powders," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-021-27789-1
    DOI: 10.1038/s41467-021-27789-1
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    References listed on IDEAS

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    1. Yang Wang & Xinrong Wen & Yanmin Jia & Ming Huang & Feifei Wang & Xuehui Zhang & Yunyang Bai & Guoliang Yuan & Yaojin Wang, 2020. "Piezo-catalysis for nondestructive tooth whitening," Nature Communications, Nature, vol. 11(1), pages 1-11, December.
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    Cited by:

    1. Ziwei Yu & Xuming Jin & Yang Guo & Qian Liu & Wenyu Xiang & Shuai Zhou & Jiaying Wang & Dailin Yang & Hao Bin Wu & Juan Wang, 2024. "Decoupled oxidation process enabled by atomically dispersed copper electrodes for in-situ chemical water treatment," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    2. Ziming Wang & Xuanli Dong & Xiao-Fen Li & Yawei Feng & Shunning Li & Wei Tang & Zhong Lin Wang, 2024. "A contact-electro-catalysis process for producing reactive oxygen species by ball milling of triboelectric materials," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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