Tunable Nanoporous Metallic Glasses Fabricated by Selective Phase Dissolution and Passivation for Ultrafast Hydrogen Uptake

Wei Jiao, Pan Liu, Huaijun Lin, Wei Zhou, Zhi Wang, Takeshi Fujita, Akihiko Hirata, Hai Wen Li, Mingwei Chen

    Research output: Contribution to journalArticlepeer-review

    14 Citations (Scopus)

    Abstract

    Realizing a large specific area in disordered metallic glasses is of great scientific and technological importance. Here we report a nanoporous multicomponent metallic glass fabricated by the combination of selective phase dissolution and passivation of a spinodally decomposed glassy precursor. The nanoporous metallic glass shows superior hydrogen uptake performance by taking advantage of the large specific surface area of the nanoporous structure and the high diffusivity of hydrogen in metallic glasses. The facile route of selective corrosion and passivation, decoupling the galvanic corrosion and alloy stability, opens a new avenue for functionalizing metallic glasses as a large-surface area and lightweight material for various structural and functional applications.

    Original languageEnglish
    Pages (from-to)4478-4483
    Number of pages6
    JournalChemistry of Materials
    Volume29
    Issue number10
    DOIs
    Publication statusPublished - May 23 2017

    All Science Journal Classification (ASJC) codes

    • Chemistry(all)
    • Chemical Engineering(all)
    • Materials Chemistry

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