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Metallic 1T/1T′ phase TMD nanosheets with enhanced chemisorption sites for ultrahigh-efficiency lead removal

Author

Listed:
  • Liang Mei

    (City University of Hong Kong)

  • Mingzi Sun

    (The Hong Kong Polytechnic University)

  • Ruijie Yang

    (City University of Hong Kong)

  • Yaqin Zhang

    (City University of Hong Kong)

  • Yuefeng Zhang

    (City University of Hong Kong)

  • Zhen Zhang

    (City University of Hong Kong)

  • Long Zheng

    (The Chinese University of Hong Kong)

  • Ye Chen

    (The Chinese University of Hong Kong)

  • Qinghua Zhang

    (Chinese Academy of Sciences)

  • Jiang Zhou

    (Central South University)

  • Ye Zhu

    (Department of Applied Physics, Research Institute for Smart Energy, The Hong Kong Polytechnic University)

  • Kenneth M. Y. Leung

    (State Key Laboratory of Marine Pollution and Department of Chemistry, City University of Hong Kong)

  • Wenjun Zhang

    (City University of Hong Kong)

  • Jun Fan

    (City University of Hong Kong)

  • Bolong Huang

    (The Hong Kong Polytechnic University)

  • Xiao Cheng Zeng

    (City University of Hong Kong)

  • Hyeon Suk Shin

    (Center for 2D Quantum Heterostructures, Institute for Basic Science, Sungkyunkwan University (SKKU)
    Department of Energy Science, Sungkyunkwan University (SKKU))

  • Chuyang Y. Tang

    (Department of Civil Engineering, The University of Hong Kong)

  • Lin Gu

    (Beijing National Center for Electron Microscopy and Laboratory of Advanced Materials, Department of Materials Science and Engineering, Tsinghua University)

  • Damien Voiry

    (Institut Européen des Membranes, IEM, UMR 5635, Université Montpellier, ENSCM, CNRS)

  • Zhiyuan Zeng

    (City University of Hong Kong
    Shenzhen Research Institute, City University of Hong Kong)

Abstract

Two-dimensional (2D) materials, as adsorbents, have garnered great attention in removing heavy metal ions (HMIs) from drinking water due to their extensive exposed adsorption sites. Nevertheless, there remains a paucity of experimental research to remarkably unlock their adsorption capabilities and fully elucidate their adsorption mechanisms. In this work, exceptional lead ion (Pb2+) (a common HMI) removal capacity (up to 758 mg g−1) is achieved using our synthesized metallic 1T/1T′ phase 2D transition metal dichalcogenide (TMD, including MoS2, WS2, TaS2, and TiS2) nanosheets, which hold tremendous activated S chemisorption sites. The residual Pb2+ concentration can be reduced from 2 mg L−1 to 2 μg L−1 within 0.5 min, meeting the drinking water standards following World Health Organization guideline (Pb2+ concentrations

Suggested Citation

  • Liang Mei & Mingzi Sun & Ruijie Yang & Yaqin Zhang & Yuefeng Zhang & Zhen Zhang & Long Zheng & Ye Chen & Qinghua Zhang & Jiang Zhou & Ye Zhu & Kenneth M. Y. Leung & Wenjun Zhang & Jun Fan & Bolong Hua, 2024. "Metallic 1T/1T′ phase TMD nanosheets with enhanced chemisorption sites for ultrahigh-efficiency lead removal," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-52078-y
    DOI: 10.1038/s41467-024-52078-y
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    References listed on IDEAS

    as
    1. Yaguang Peng & Hongliang Huang & Yuxi Zhang & Chufan Kang & Shuangming Chen & Li Song & Dahuan Liu & Chongli Zhong, 2018. "A versatile MOF-based trap for heavy metal ion capture and dispersion," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    2. Xiao Huang & Zhiyuan Zeng & Shuyu Bao & Mengfei Wang & Xiaoying Qi & Zhanxi Fan & Hua Zhang, 2013. "Solution-phase epitaxial growth of noble metal nanostructures on dispersible single-layer molybdenum disulfide nanosheets," Nature Communications, Nature, vol. 4(1), pages 1-8, June.
    3. Xiaoxu Zhao & Peng Song & Chengcai Wang & Anders C. Riis-Jensen & Wei Fu & Ya Deng & Dongyang Wan & Lixing Kang & Shoucong Ning & Jiadong Dan & T. Venkatesan & Zheng Liu & Wu Zhou & Kristian S. Thyges, 2020. "Engineering covalently bonded 2D layered materials by self-intercalation," Nature, Nature, vol. 581(7807), pages 171-177, May.
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