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Highly selective cesium(I) capture under acidic conditions by a layered sulfide

Author

Listed:
  • Jun-Hao Tang

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

  • Jian-Ce Jin

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

  • Wei-An Li

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

  • Xi Zeng

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

  • Wen Ma

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

  • Ji-Long Li

    (Chinese Academy of Sciences)

  • Tian-Tian Lv

    (Chinese Academy of Sciences)

  • Ying-Chen Peng

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

  • Mei-Ling Feng

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

  • Xiao-Ying Huang

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

Abstract

Radiocesium remediation is desirable for ecological protection, human health and sustainable development of nuclear energy. Effective capture of Cs+ from acidic solutions is still challenging, mainly due to the low stability of the adsorbing materials and the competitive adsorption of protons. Herein, the rapid and highly selective capture of Cs+ from strongly acidic solutions is achieved by a robust K+-directed layered metal sulfide KInSnS4 (InSnS-1) that exhibits excellent acid and radiation resistance. InSnS-1 possesses high adsorption capacity for Cs+ and can serve as the stationary phase in ion exchange columns to effectively remove Cs+ from neutral and acidic solutions. The adsorption of Cs+ and H3O+ is monitored by single-crystal structure analysis, and thus the underlying mechanism of selective Cs+ capture from acidic solutions is elucidated at the molecular level.

Suggested Citation

  • Jun-Hao Tang & Jian-Ce Jin & Wei-An Li & Xi Zeng & Wen Ma & Ji-Long Li & Tian-Tian Lv & Ying-Chen Peng & Mei-Ling Feng & Xiao-Ying Huang, 2022. "Highly selective cesium(I) capture under acidic conditions by a layered sulfide," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-28217-8
    DOI: 10.1038/s41467-022-28217-8
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    Cited by:

    1. Hai-Yan Sun & Zhi-Hua Chen & Bing Hu & Jun-Hao Tang & Lu Yang & Yan-Ling Guo & Yue-Xin Yao & Mei-Ling Feng & Xiao-Ying Huang, 2024. "Boosting selective Cs+ uptake through the modulation of stacking modes in layered niobate-based perovskites," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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