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Robust 2D layered MXene matrix–boron carbide hybrid films for neutron radiation shielding

Author

Listed:
  • Ju-Hyoung Han

    (Ulsan National Institute of Science and Technology (UNIST))

  • Shi-Hyun Seok

    (Ulsan National Institute of Science and Technology (UNIST))

  • Young Ho Jin

    (Ulsan National Institute of Science and Technology (UNIST))

  • Jaeeun Park

    (Ulsan National Institute of Science and Technology (UNIST))

  • Yunju Lee

    (Ulsan National Institute of Science and Technology (UNIST))

  • Haeng Un Yeo

    (Ulsan National Institute of Science and Technology (UNIST))

  • Jong-Ho Back

    (Korea Research Institute of Chemical Technology (KRICT))

  • Yeoseon Sim

    (Ulsan National Institute of Science and Technology (UNIST))

  • Yujin Chae

    (Ulsan National Institute of Science and Technology (UNIST))

  • Jaewon Wang

    (Ulsan National Institute of Science and Technology (UNIST))

  • Geum-Yoon Oh

    (Korea Institute of Industrial Technology (KITECH))

  • Wonjoo Lee

    (Korea Research Institute of Chemical Technology (KRICT))

  • Sung Hyun Park

    (Korea Institute of Industrial Technology (KITECH))

  • In-Cheol Bang

    (Ulsan National Institute of Science and Technology (UNIST))

  • Ji Hyun Kim

    (Ulsan National Institute of Science and Technology (UNIST))

  • Soon-Yong Kwon

    (Ulsan National Institute of Science and Technology (UNIST)
    Ulsan National Institute of Science and Technology (UNIST))

Abstract

Large-scale fabrication of neutron-shielding films with flexible or complex shapes is challenging. Uniform and high boron carbide (B4C) filler loads with sufficient workability are needed to achieve good neutron-absorption capacity. Here, we show that a two-dimensional (2D) Ti3C2Tx MXene hybrid film with homogeneously distributed B4C particles exhibits high mechanical flexibility and anomalous neutron-shielding properties. Layered and solution-processable 2D Ti3C2Tx MXene flakes serve as an ideal robust and flexible matrix for high-content B4C fillers (60 wt.%). In addition, the preparation of a scalable neutron shielding MXene/B4C hybrid paint is demonstrated. This composite can be directly integrated with various large-scale surfaces (e.g., stainless steel, glass, and nylon). Because of their low thickness, simple and scalable preparation method, and an absorption capacity of 39.8% for neutrons emitted from a 241Am–9Be source, the 2D Ti3C2Tx MXene hybrid films are promising candidates for use in wearable and lightweight applications.

Suggested Citation

  • Ju-Hyoung Han & Shi-Hyun Seok & Young Ho Jin & Jaeeun Park & Yunju Lee & Haeng Un Yeo & Jong-Ho Back & Yeoseon Sim & Yujin Chae & Jaewon Wang & Geum-Yoon Oh & Wonjoo Lee & Sung Hyun Park & In-Cheol Ba, 2023. "Robust 2D layered MXene matrix–boron carbide hybrid films for neutron radiation shielding," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-42670-z
    DOI: 10.1038/s41467-023-42670-z
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    References listed on IDEAS

    as
    1. Chuanfang (John) Zhang & Sang-Hoon Park & Andrés Seral‐Ascaso & Sebastian Barwich & Niall McEvoy & Conor S. Boland & Jonathan N. Coleman & Yury Gogotsi & Valeria Nicolosi, 2019. "High capacity silicon anodes enabled by MXene viscous aqueous ink," Nature Communications, Nature, vol. 10(1), pages 1-9, December.
    2. Daniel G. Chica & Yihui He & Kyle M. McCall & Duck Young Chung & Rahmi O. Pak & Giancarlo Trimarchi & Zhifu Liu & Patrick M. De Lurgio & Bruce W. Wessels & Mercouri G. Kanatzidis, 2020. "Direct thermal neutron detection by the 2D semiconductor 6LiInP2Se6," Nature, Nature, vol. 577(7790), pages 346-349, January.
    3. Daniel G. Chica & Yihui He & Kyle M. McCall & Duck Young Chung & Rahmi O. Pak & Giancarlo Trimarchi & Zhifu Liu & Patrick M. Lurgio & Bruce W. Wessels & Mercouri G. Kanatzidis, 2020. "Publisher Correction: Direct thermal neutron detection by the 2D semiconductor 6LiInP2Se6," Nature, Nature, vol. 579(7799), pages 9-9, March.
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