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Directly transforming copper (I) oxide bulk into isolated single-atom copper sites catalyst through gas-transport approach

Author

Listed:
  • Zhengkun Yang

    (University of Science and Technology of China)

  • Bingxu Chen

    (East China University of Science and Technology)

  • Wenxing Chen

    (Beijing Institute of Technology)

  • Yunteng Qu

    (University of Science and Technology of China)

  • Fangyao Zhou

    (University of Science and Technology of China)

  • Changming Zhao

    (University of Science and Technology of China)

  • Qian Xu

    (National Synchrotron Radiation Laboratory (NSRL))

  • Qinghua Zhang

    (Chinese Academy of Sciences)

  • Xuezhi Duan

    (East China University of Science and Technology)

  • Yuen Wu

    (University of Science and Technology of China
    Chinese Academy of Sciences)

Abstract

Single-atom metal catalysts have sparked tremendous attention, but direct transformation of cheap and easily obtainable bulk metal oxide into single atoms is still a great challenge. Here we report a facile and versatile gas-transport strategy to synthesize isolated single-atom copper sites (Cu ISAS/NC) catalyst at gram levels. Commercial copper (I) oxide powder is sublimated as mobile vapor at nearly melting temperature (1500 K) and subsequently can be trapped and reduced by the defect-rich nitrogen-doped carbon (NC), forming the isolated copper sites catalyst. Strikingly, this thermally stable Cu ISAS/NC, which is obtained above 1270 K, delivers excellent oxygen reduction performance possessing a recorded half-wave potential of 0.92 V vs RHE among other Cu-based electrocatalysts. By varying metal oxide precursors, we demonstrate the universal synthesis of different metal single atoms anchored on NC materials (M ISAS/NC, where M refers to Mo and Sn). This strategy is readily scalable and the as-prepared sintering-resistant M ISAS/NC catalysts hold great potential in high-temperature applications.

Suggested Citation

  • Zhengkun Yang & Bingxu Chen & Wenxing Chen & Yunteng Qu & Fangyao Zhou & Changming Zhao & Qian Xu & Qinghua Zhang & Xuezhi Duan & Yuen Wu, 2019. "Directly transforming copper (I) oxide bulk into isolated single-atom copper sites catalyst through gas-transport approach," Nature Communications, Nature, vol. 10(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-11796-4
    DOI: 10.1038/s41467-019-11796-4
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    Cited by:

    1. Che Lah, Nurul Akmal, 2021. "Late transition metal nanocomplexes: Applications for renewable energy conversion and storage," Renewable and Sustainable Energy Reviews, Elsevier, vol. 145(C).
    2. Zhe Jiang & Xuerui Liu & Xiao-Zhi Liu & Shuang Huang & Ying Liu & Ze-Cheng Yao & Yun Zhang & Qing-Hua Zhang & Lin Gu & Li-Rong Zheng & Li Li & Jianan Zhang & Youjun Fan & Tang Tang & Zhongbin Zhuang &, 2023. "Interfacial assembly of binary atomic metal-Nx sites for high-performance energy devices," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    3. Dawei Yao & Yue Wang & Ying Li & Antai Li & Ziheng Zhen & Jing Lv & Fanfei Sun & Ruoou Yang & Jun Luo & Zheng Jiang & Yong Wang & Xinbin Ma, 2023. "Scalable synthesis of Cu clusters for remarkable selectivity control of intermediates in consecutive hydrogenation," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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