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One-dimensional single atom arrays on ferroelectric nanosheets for enhanced CO2 photoreduction

Author

Listed:
  • Lizhen Liu

    (China University of Geosciences (Beijing)
    Nanyang Technological University)

  • Jingcong Hu

    (Beijing University of Technology)

  • Zhaoyu Ma

    (Beihang University)

  • Zijian Zhu

    (China University of Geosciences (Beijing))

  • Bin He

    (China University of Geosciences (Beijing))

  • Fang Chen

    (China University of Geosciences (Beijing))

  • Yue Lu

    (Beijing University of Technology)

  • Rong Xu

    (Nanyang Technological University)

  • Yihe Zhang

    (China University of Geosciences (Beijing))

  • Tianyi Ma

    (RMIT University)

  • Manling Sui

    (Beijing University of Technology)

  • Hongwei Huang

    (China University of Geosciences (Beijing))

Abstract

Single-atom catalysts show excellent catalytic performance because of their coordination environments and electronic configurations. However, controllable regulation of single-atom permutations still faces challenges. Herein, we demonstrate that a polarization electric field regulates single atom permutations and forms periodic one-dimensional Au single-atom arrays on ferroelectric Bi4Ti3O12 nanosheets. The Au single-atom arrays greatly lower the Gibbs free energy for CO2 conversion via Au-O=C=O-Au dual-site adsorption compared to that for Au-O=C=O single-site adsorption on Au isolated single atoms. Additionally, the Au single-atom arrays suppress the depolarization of Bi4Ti3O12, so it maintains a stronger driving force for separation and transfer of photogenerated charges. Thus, Bi4Ti3O12 with Au single-atom arrays exhibit an efficient CO production rate of 34.15 µmol·g−1·h−1, ∼18 times higher than that of pristine Bi4Ti3O12. More importantly, the polarization electric field proves to be a general tactic for the syntheses of one-dimensional Pt, Ag, Fe, Co and Ni single-atom arrays on the Bi4Ti3O12 surface.

Suggested Citation

  • Lizhen Liu & Jingcong Hu & Zhaoyu Ma & Zijian Zhu & Bin He & Fang Chen & Yue Lu & Rong Xu & Yihe Zhang & Tianyi Ma & Manling Sui & Hongwei Huang, 2024. "One-dimensional single atom arrays on ferroelectric nanosheets for enhanced CO2 photoreduction," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-023-44493-4
    DOI: 10.1038/s41467-023-44493-4
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    References listed on IDEAS

    as
    1. Hongjian Yu & Fang Chen & Xiaowei Li & Hongwei Huang & Qiuyu Zhang & Shaoqiang Su & Keyang Wang & Enyang Mao & Bastian Mei & Guido Mul & Tianyi Ma & Yihe Zhang, 2021. "Synergy of ferroelectric polarization and oxygen vacancy to promote CO2 photoreduction," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    2. Chiheng Chu & Dahong Huang & Srishti Gupta & Seunghyun Weon & Junfeng Niu & Eli Stavitski & Christopher Muhich & Jae-Hong Kim, 2021. "Neighboring Pd single atoms surpass isolated single atoms for selective hydrodehalogenation catalysis," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
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