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Strong metal-support interactions induced by an ultrafast laser

Author

Listed:
  • Jian Zhang

    (Tsinghua University)

  • Dezhi Zhu

    (Tsinghua University)

  • Jianfeng Yan

    (Tsinghua University)

  • Chang-An Wang

    (Tsinghua University)

Abstract

Supported metal catalysts play a crucial role in the modern industry. Constructing strong metal-support interactions (SMSI) is an effective means of regulating the interfacial properties of noble metal-based supported catalysts. Here, we propose a new strategy of ultrafast laser-induced SMSI that can be constructed on a CeO2-supported Pt system by confining electric field in localized interface. The nanoconfined field essentially boosts the formation of surface defects and metastable CeOx migration. The SMSI is evidenced by covering Pt nanoparticles with the CeOx thin overlayer and suppression of CO adsorption. The overlayer is permeable to the reactant molecules. Owing to the SMSI, the resulting Pt/CeO2 catalyst exhibits enhanced activity and stability for CO oxidation. This strategy of constructing SMSI can be extended not only to other noble metal systems (such as Au/TiO2, Pd/TiO2, and Pt/TiO2) but also on non-reducible oxide supports (such as Pt/Al2O3, Au/MgO, and Pt/SiO2), providing a universal way to engineer and develop high-performance supported noble metal catalysts.

Suggested Citation

  • Jian Zhang & Dezhi Zhu & Jianfeng Yan & Chang-An Wang, 2021. "Strong metal-support interactions induced by an ultrafast laser," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-27000-5
    DOI: 10.1038/s41467-021-27000-5
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    References listed on IDEAS

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    1. Xiaorui Du & Yike Huang & Xiaoli Pan & Bing Han & Yang Su & Qike Jiang & Mingrun Li & Hailian Tang & Gao Li & Botao Qiao, 2020. "Size-dependent strong metal-support interaction in TiO2 supported Au nanocatalysts," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    2. Yunlai Zhang & Junying Zhang & Bingsen Zhang & Rui Si & Bing Han & Feng Hong & Yiming Niu & Li Sun & Lin Li & Botao Qiao & Keju Sun & Jiahui Huang & Masatake Haruta, 2020. "Boosting the catalysis of gold by O2 activation at Au-SiO2 interface," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    3. Arik Beck & Xing Huang & Luca Artiglia & Maxim Zabilskiy & Xing Wang & Przemyslaw Rzepka & Dennis Palagin & Marc-Georg Willinger & Jeroen A. van Bokhoven, 2020. "The dynamics of overlayer formation on catalyst nanoparticles and strong metal-support interaction," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    4. Shaofeng Liu & Wei Xu & Yiming Niu & Bingsen Zhang & Lirong Zheng & Wei Liu & Lin Li & Junhu Wang, 2019. "Ultrastable Au nanoparticles on titania through an encapsulation strategy under oxidative atmosphere," Nature Communications, Nature, vol. 10(1), pages 1-9, December.
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