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Fabricating polyoxometalates-stabilized single-atom site catalysts in confined space with enhanced activity for alkynes diboration

Author

Listed:
  • Yiwei Liu

    (Tsinghua University
    Dalian University of Technology)

  • Xi Wu

    (Tsinghua University)

  • Zhi Li

    (Tsinghua University)

  • Jian Zhang

    (Tsinghua University)

  • Shu-Xia Liu

    (Northeast Normal University)

  • Shoujie Liu

    (Anhui Normal University)

  • Lin Gu

    (Chinese Academy of Sciences)

  • Li Rong Zheng

    (Chinese Academy of Sciences)

  • Jia Li

    (Tsinghua University)

  • Dingsheng Wang

    (Tsinghua University)

  • Yadong Li

    (Tsinghua University)

Abstract

Effecting the synergistic function of single metal atom sites and their supports is of great importance to achieve high-performance catalysts. Herein, we successfully fabricate polyoxometalates (POMs)-stabilized atomically dispersed platinum sites by employing three-dimensional metal-organic frameworks (MOFs) as the finite spatial skeleton to govern the accessible quantity, spatial dispersion, and mobility of metal precursors around each POM unit. The isolated single platinum atoms (Pt1) are steadily anchored in the square-planar sites on the surface of monodispersed Keggin-type phosphomolybdic acid (PMo) in the cavities of various MOFs, including MIL-101, HKUST-1, and ZIF-67. In contrast, either the absence of POMs or MOFs yielded only platinum nanoparticles. Pt1-PMo@MIL-101 are seven times more active than the corresponding nanoparticles in the diboration of phenylacetylene, which can be attributed to the synergistic effect of the preconcentration of organic reaction substrates by porous MOFs skeleton and the decreased desorption energy of products on isolated Pt atom sites.

Suggested Citation

  • Yiwei Liu & Xi Wu & Zhi Li & Jian Zhang & Shu-Xia Liu & Shoujie Liu & Lin Gu & Li Rong Zheng & Jia Li & Dingsheng Wang & Yadong Li, 2021. "Fabricating polyoxometalates-stabilized single-atom site catalysts in confined space with enhanced activity for alkynes diboration," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24513-x
    DOI: 10.1038/s41467-021-24513-x
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    Cited by:

    1. Wenlong Xu & Yuwei Zhang & Junjun Wang & Yixiu Xu & Li Bian & Qiang Ju & Yuemin Wang & Zhenlan Fang, 2022. "Defects engineering simultaneously enhances activity and recyclability of MOFs in selective hydrogenation of biomass," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    2. Jiaxin Li & Kai Li & Zhao Li & Chunxue Wang & Yifei Liang & Yatong Pang & Jinzhu Ma & Fei Wang & Ping Ning & Hong He, 2024. "Capture of single Ag atoms through high-temperature-induced crystal plane reconstruction," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    3. Song, Wenjing & Song, Mengxue & Cai, Wenqing & Li, Weichu & Jiang, Xingmao & Fang, Weiping & Lai, Weikun, 2022. "Efficient and stable SiO2-encapsulated NiPt/HY catalyst for catalytic cracking of β-O-4 linkage compound," Renewable Energy, Elsevier, vol. 198(C), pages 334-342.

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