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In-situ adsorption-coupled-oxidation enabled mercury vapor capture over sp-hybridized graphdiyne

Author

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  • Honghu Li

    (Central China Normal University
    Zhongnan University of Economics and Law)

  • Chuanqi Pan

    (Central China Normal University
    Central China Normal University)

  • Xiyan Peng

    (Central China Normal University
    Zhongnan University of Economics and Law)

  • Biluan Zhang

    (Central China Normal University
    Central China Normal University)

  • Siyi Song

    (Central China Normal University
    Central China Normal University)

  • Ze Xu

    (Central China Normal University
    Central China Normal University)

  • Xiaofeng Qiu

    (Central China Normal University
    Central China Normal University)

  • Yongqi Liu

    (Central China Normal University
    Central China Normal University)

  • Jinlong Wang

    (Central China Normal University
    Central China Normal University
    Wuhan Institute of Photochemistry and Technology)

  • Yanbing Guo

    (Central China Normal University
    Central China Normal University
    Wuhan Institute of Photochemistry and Technology)

Abstract

Developing efficient and sustainable carbon sorbent for mercury vapor (Hg0) capture is significant to public health and ecosystem protection. Here we show a carbon material, namely graphdiyne with accessible sp-hybridized carbons (HsGDY), that can serve as an effective “trap” to anchor Hg atoms by strong electron-metal-support interaction, leading to the in-situ adsorption-coupled-oxidation of Hg. The adsorption process is benefited from the large hexagonal pore structure of HsGDY. The oxidation process is driven by the surface charge heterogeneity of HsGDY which can itself induce the adsorbed Hg atoms to lose electrons and present a partially oxidized state. Its good adaptability and excellent regeneration performance greatly broaden the applicability of HsGDY in diverse scenarios such as flue gas treatment and mercury-related personal protection. Our work demonstrates a sp-hybridized carbon material for mercury vapor capture which could contribute to sustainability of mercury pollution industries and provide guide for functional carbon material design.

Suggested Citation

  • Honghu Li & Chuanqi Pan & Xiyan Peng & Biluan Zhang & Siyi Song & Ze Xu & Xiaofeng Qiu & Yongqi Liu & Jinlong Wang & Yanbing Guo, 2025. "In-situ adsorption-coupled-oxidation enabled mercury vapor capture over sp-hybridized graphdiyne," Nature Communications, Nature, vol. 16(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-57197-8
    DOI: 10.1038/s41467-025-57197-8
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    References listed on IDEAS

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    1. Fuzhan Song & Wei Li & Jiaqi Yang & Guanqun Han & Peilin Liao & Yujie Sun, 2018. "Interfacing nickel nitride and nickel boosts both electrocatalytic hydrogen evolution and oxidation reactions," Nature Communications, Nature, vol. 9(1), pages 1-10, December.
    2. Hailong Li & Jiaoqin Zheng & Wei Zheng & Hongxiao Zu & Hongmei Chen & Jianping Yang & Wenqi Qu & Lijian Leng & Yong Feng & Zequn Yang, 2023. "In situ acid etching boosts mercury accommodation capacities of transition metal sulfides," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    3. Yurui Xue & Bolong Huang & Yuanping Yi & Yuan Guo & Zicheng Zuo & Yongjun Li & Zhiyu Jia & Huibiao Liu & Yuliang Li, 2018. "Anchoring zero valence single atoms of nickel and iron on graphdiyne for hydrogen evolution," Nature Communications, Nature, vol. 9(1), pages 1-10, December.
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