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Three-dimensional bicontinuous nanoporous materials by vapor phase dealloying

Author

Listed:
  • Zhen Lu

    (Advanced Institute for Materials Research, Tohoku University
    Mathematics for Advanced Materials-OIL, AIST-Tohoku University)

  • Cheng Li

    (Advanced Institute for Materials Research, Tohoku University)

  • Jiuhui Han

    (Advanced Institute for Materials Research, Tohoku University)

  • Fan Zhang

    (Advanced Institute for Materials Research, Tohoku University)

  • Pan Liu

    (State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University)

  • Hao Wang

    (Advanced Institute for Materials Research, Tohoku University)

  • Zhili Wang

    (Advanced Institute for Materials Research, Tohoku University)

  • Chun Cheng

    (Advanced Institute for Materials Research, Tohoku University)

  • Linghan Chen

    (Advanced Institute for Materials Research, Tohoku University)

  • Akihiko Hirata

    (Advanced Institute for Materials Research, Tohoku University
    Mathematics for Advanced Materials-OIL, AIST-Tohoku University)

  • Takeshi Fujita

    (Advanced Institute for Materials Research, Tohoku University)

  • Jonah Erlebacher

    (The Johns Hopkins University)

  • Mingwei Chen

    (Advanced Institute for Materials Research, Tohoku University
    State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University
    The Johns Hopkins University)

Abstract

Three-dimensional bicontinuous open (3DBO) nanoporosity has been recognized as an important nanoarchitecture for catalysis, sensing, and energy storage. Dealloying, i.e., selectively removing a component from an alloy, is an efficient way to fabricate nanoporous materials. However, current electrochemical and liquid-metal dealloying methods can only be applied to a limited number of alloys and usually require an etching process with chemical waste. Here, we report a green and universal approach, vapor-phase dealloying, to fabricate nanoporous materials by utilizing the vapor pressure difference between constituent elements in an alloy to selectively remove a component with a high partial vapor pressure for 3DBO nanoporosity. We demonstrate that extensive elements, regardless of chemical activity, can be fabricated as nanoporous materials with tunable pore sizes. Importantly, the evaporated components can be fully recovered. This environmentally friendly dealloying method paves a way to fabricate 3DBO nanoporous materials for a wide range of structural and functional applications.

Suggested Citation

  • Zhen Lu & Cheng Li & Jiuhui Han & Fan Zhang & Pan Liu & Hao Wang & Zhili Wang & Chun Cheng & Linghan Chen & Akihiko Hirata & Takeshi Fujita & Jonah Erlebacher & Mingwei Chen, 2018. "Three-dimensional bicontinuous nanoporous materials by vapor phase dealloying," Nature Communications, Nature, vol. 9(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-017-02167-y
    DOI: 10.1038/s41467-017-02167-y
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    Cited by:

    1. Longhai Lai & Bernard Gaskey & Alyssa Chuang & Jonah Erlebacher & Alain Karma, 2022. "Topological control of liquid-metal-dealloyed structures," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Ruirui Song & Jiuhui Han & Masayuki Okugawa & Rodion Belosludov & Takeshi Wada & Jing Jiang & Daixiu Wei & Akira Kudo & Yuan Tian & Mingwei Chen & Hidemi Kato, 2022. "Ultrafine nanoporous intermetallic catalysts by high-temperature liquid metal dealloying for electrochemical hydrogen production," Nature Communications, Nature, vol. 13(1), pages 1-12, December.

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