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Recover the activity of sintered supported catalysts by nitrogen-doped carbon atomization

Author

Listed:
  • Huang Zhou

    (University of Science and Technology of China)

  • Yafei Zhao

    (University of Science and Technology of China)

  • Jie Xu

    (Tianjin University of Technology)

  • Haoran Sun

    (Nanjing University of Science and Technology)

  • Zhijun Li

    (University of Science and Technology of China)

  • Wei Liu

    (Nanjing University of Science and Technology)

  • Tongwei Yuan

    (Shanghai University)

  • Wei Liu

    (University of Science and Technology of China)

  • Xiaoqian Wang

    (University of Science and Technology of China)

  • Weng-Chon Cheong

    (Tsinghua University)

  • Zhiyuan Wang

    (University of Science and Technology of China)

  • Xin Wang

    (University of Science and Technology of China)

  • Chao Zhao

    (University of Science and Technology of China)

  • Yancai Yao

    (University of Science and Technology of China)

  • Wenyu Wang

    (University of Science and Technology of China)

  • Fangyao Zhou

    (University of Science and Technology of China)

  • Min Chen

    (University of Science and Technology of China)

  • Benjin Jin

    (University of Science and Technology of China)

  • Rongbo Sun

    (University of Science and Technology of China)

  • Jing Liu

    (Tianjin University of Technology)

  • Xun Hong

    (University of Science and Technology of China)

  • Tao Yao

    (University of Science and Technology of China)

  • Shiqiang Wei

    (University of Science and Technology of China)

  • Jun Luo

    (Tianjin University of Technology)

  • Yuen Wu

    (University of Science and Technology of China
    Nanjing University of Science and Technology)

Abstract

The sintering of supported metal nanoparticles is a major route to the deactivation of industrial heterogeneous catalysts, which largely increase the cost and decrease the productivity. Here, we discover that supported palladium/gold/platinum nanoparticles distributed at the interface of oxide supports and nitrogen-doped carbon shells would undergo an unexpected nitrogen-doped carbon atomization process against the sintering at high temperatures, during which the nanoparticles can be transformed into more active atomic species. The in situ transmission electron microscopy images reveal the abundant nitrogen defects in carbon shells provide atomic diffusion sites for the mobile atomistic palladium species detached from the palladium nanoparticles. More important, the catalytic activity of sintered and deactivated palladium catalyst can be recovered by this unique N-doped carbon atomization process. Our findings open up a window to preparation of sintering-resistant single atoms catalysts and regeneration of deactivated industrial catalysts.

Suggested Citation

  • Huang Zhou & Yafei Zhao & Jie Xu & Haoran Sun & Zhijun Li & Wei Liu & Tongwei Yuan & Wei Liu & Xiaoqian Wang & Weng-Chon Cheong & Zhiyuan Wang & Xin Wang & Chao Zhao & Yancai Yao & Wenyu Wang & Fangya, 2020. "Recover the activity of sintered supported catalysts by nitrogen-doped carbon atomization," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-019-14223-w
    DOI: 10.1038/s41467-019-14223-w
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    Cited by:

    1. Rui Wu & Jie Xu & Chuan-Lin Zhao & Xiao-Zhi Su & Xiao-Long Zhang & Ya-Rong Zheng & Feng-Yi Yang & Xu-Sheng Zheng & Jun-Fa Zhu & Jun Luo & Wei-Xue Li & Min-Rui Gao & Shu-Hong Yu, 2023. "Dopant triggered atomic configuration activates water splitting to hydrogen," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Xiaorui Zhao & Xiaojuan Zhu & Kang Wang & Junqian Lv & Shangjun Chen & Guohua Yao & Junyu Lang & Fei Lv & Yinghui Pu & Ruoou Yang & Bingsen Zhang & Zheng Jiang & Ying Wan, 2022. "Palladium catalyzed radical relay for the oxidative cross-coupling of quinolines," Nature Communications, Nature, vol. 13(1), pages 1-11, December.

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