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Cation vacancy stabilization of single-atomic-site Pt1/Ni(OH)x catalyst for diboration of alkynes and alkenes

Author

Listed:
  • Jian Zhang

    (Tsinghua University)

  • Xi Wu

    (Tsinghua University)

  • Weng-Chon Cheong

    (Tsinghua University)

  • Wenxing Chen

    (Tsinghua University)

  • Rui Lin

    (Tsinghua University)

  • Jia Li

    (Tsinghua University)

  • Lirong Zheng

    (Chinese Academy of Sciences)

  • Wensheng Yan

    (University of Science and Technology of China)

  • Lin Gu

    (Chinese Academy of Sciences)

  • Chen Chen

    (Tsinghua University)

  • Qing Peng

    (Tsinghua University)

  • Dingsheng Wang

    (Tsinghua University)

  • Yadong Li

    (Tsinghua University)

Abstract

Development of single-atomic-site catalysts with high metal loading is highly desirable but proved to be very challenging. Although utilizing defects on supports to stabilize independent metal atoms has become a powerful method to fabricate single-atomic-site catalysts, little attention has been devoted to cation vacancy defects. Here we report a nickel hydroxide nanoboard with abundant Ni2+ vacancy defects serving as the practical support to achieve a single-atomic-site Pt catalyst (Pt1/Ni(OH)x) containing Pt up to 2.3 wt% just by a simple wet impregnation method. The Ni2+ vacancies are found to have strong stabilizing effect of single-atomic Pt species, which is determined by X-ray absorption spectrometry analyses and density functional theory calculations. This Pt1/Ni(OH)x catalyst shows a high catalytic efficiency in diboration of a variety of alkynes and alkenes, yielding an overall turnover frequency value upon reaction completion for phenylacetylene of ~3000 h−1, which is much higher than other reported heterogeneous catalysts.

Suggested Citation

  • Jian Zhang & Xi Wu & Weng-Chon Cheong & Wenxing Chen & Rui Lin & Jia Li & Lirong Zheng & Wensheng Yan & Lin Gu & Chen Chen & Qing Peng & Dingsheng Wang & Yadong Li, 2018. "Cation vacancy stabilization of single-atomic-site Pt1/Ni(OH)x catalyst for diboration of alkynes and alkenes," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-03380-z
    DOI: 10.1038/s41467-018-03380-z
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    Cited by:

    1. Tianyu Zhang & Jing Jin & Junmei Chen & Yingyan Fang & Xu Han & Jiayi Chen & Yaping Li & Yu Wang & Junfeng Liu & Lei Wang, 2022. "Pinpointing the axial ligand effect on platinum single-atom-catalyst towards efficient alkaline hydrogen evolution reaction," Nature Communications, Nature, vol. 13(1), pages 1-14, December.
    2. Weiwei Fu & Jin Wan & Huijuan Zhang & Jian Li & Weigen Chen & Yuke Li & Zaiping Guo & Yu Wang, 2022. "Photoinduced loading of electron-rich Cu single atoms by moderate coordination for hydrogen evolution," Nature Communications, Nature, vol. 13(1), pages 1-10, December.

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