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Dynamic boron-doping switched chitin-based single-atom Pt catalyst for chemo-selective hydrogenation

Author

Listed:
  • Yan Li

    (Wuhan University)

  • Lijun Lu

    (Wuhan University)

  • Xueyu Jiang

    (Wuhan University
    Guizhou Normal University)

  • Dali Yang

    (Wuhan University)

  • Jeng-Lung Chen

    (National Synchrotron Radiation Research Center)

  • Abhishek Dutta Chowdhury

    (Wuhan University)

  • Wu Li

    (Wuhan University)

  • Xianglin Pei

    (Guizhou Normal University)

  • Aiwen Lei

    (Wuhan University)

Abstract

Biomass valorization is a way to promote the ‘waste-to-wealth’ concept, which is a pre-requisite condition for a future sustainable lifestyle. The direct utilization of natural polymer for value-added materials should be prioritized. With this object, we demonstrate a facile and economical method to prepare chitin-derived supramolecular nanowires-stabilized single-atom sites Pt catalysts (SS-Pt-CSNs). A comprehensive characterization shows the structure of single-atom Pt coordinated with the organic supramolecular (ligand-type) entity, which is both flexible (like in homogenous catalyst) and robust (like in heterogenous catalyst). Such hybrid characteristics of these SS-Pt-CSNs materials exhibit excellent catalytic performance for chemo-selective hydrogenation of various unsaturated bonds with a selectivity of more than 90:1 and a high turnover number (TON) of 121,350. Mechanistic studies demonstrate that both empty coordination sites of Pt and dynamic B-doping are the key factors for exceptional efficiency and high selectivity.

Suggested Citation

  • Yan Li & Lijun Lu & Xueyu Jiang & Dali Yang & Jeng-Lung Chen & Abhishek Dutta Chowdhury & Wu Li & Xianglin Pei & Aiwen Lei, 2025. "Dynamic boron-doping switched chitin-based single-atom Pt catalyst for chemo-selective hydrogenation," Nature Communications, Nature, vol. 16(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-57434-0
    DOI: 10.1038/s41467-025-57434-0
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