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Hydrogen spillover-driven synthesis of high-entropy alloy nanoparticles as a robust catalyst for CO2 hydrogenation

Author

Listed:
  • Kohsuke Mori

    (Osaka University
    Kyoto University
    Osaka University)

  • Naoki Hashimoto

    (Osaka University)

  • Naoto Kamiuchi

    (The Institute of Scientific and Industrial Research, Osaka University)

  • Hideto Yoshida

    (The Institute of Scientific and Industrial Research, Osaka University)

  • Hisayoshi Kobayashi

    (Kyoto Institute of Technology)

  • Hiromi Yamashita

    (Osaka University
    Kyoto University
    Osaka University)

Abstract

High-entropy alloys (HEAs) have been intensively pursued as potentially advanced materials because of their exceptional properties. However, the facile fabrication of nanometer-sized HEAs over conventional catalyst supports remains challenging, and the design of rational synthetic protocols would permit the development of innovative catalysts with a wide range of potential compositions. Herein, we demonstrate that titanium dioxide (TiO2) is a promising platform for the low-temperature synthesis of supported CoNiCuRuPd HEA nanoparticles (NPs) at 400 °C. This process is driven by the pronounced hydrogen spillover effect on TiO2 in conjunction with coupled proton/electron transfer. The CoNiCuRuPd HEA NPs on TiO2 produced in this work were found to be both active and extremely durable during the CO2 hydrogenation reaction. Characterization by means of various in situ techniques and theoretical calculations elucidated that cocktail effect and sluggish diffusion originating from the synergistic effect obtained by this combination of elements.

Suggested Citation

  • Kohsuke Mori & Naoki Hashimoto & Naoto Kamiuchi & Hideto Yoshida & Hisayoshi Kobayashi & Hiromi Yamashita, 2021. "Hydrogen spillover-driven synthesis of high-entropy alloy nanoparticles as a robust catalyst for CO2 hydrogenation," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24228-z
    DOI: 10.1038/s41467-021-24228-z
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    Cited by:

    1. Jiace Hao & Zechao Zhuang & Kecheng Cao & Guohua Gao & Chan Wang & Feili Lai & Shuanglong Lu & Piming Ma & Weifu Dong & Tianxi Liu & Mingliang Du & Han Zhu, 2022. "Unraveling the electronegativity-dominated intermediate adsorption on high-entropy alloy electrocatalysts," Nature Communications, Nature, vol. 13(1), pages 1-13, December.
    2. Feilong Xing & Jiamin Ma & Ken-ichi Shimizu & Shinya Furukawa, 2022. "High-entropy intermetallics on ceria as efficient catalysts for the oxidative dehydrogenation of propane using CO2," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    3. Zhi Wen Chen & Jian Li & Pengfei Ou & Jianan Erick Huang & Zi Wen & LiXin Chen & Xue Yao & GuangMing Cai & Chun Cheng Yang & Chandra Veer Singh & Qing Jiang, 2024. "Unusual Sabatier principle on high entropy alloy catalysts for hydrogen evolution reactions," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    4. Zhida Gu & Mengke Li & Cheng Chen & Xinglong Zhang & Chengyang Luo & Yutao Yin & Ruifa Su & Suoying Zhang & Yu Shen & Yu Fu & Weina Zhang & Fengwei Huo, 2023. "Water-assisted hydrogen spillover in Pt nanoparticle-based metal–organic framework composites," Nature Communications, Nature, vol. 14(1), pages 1-13, December.

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