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Bismuth atom tailoring of indium oxide surface frustrated Lewis pairs boosts heterogeneous CO2 photocatalytic hydrogenation

Author

Listed:
  • Tingjiang Yan

    (Qufu Normal University
    University of Toronto, 80 St. George Street)

  • Na Li

    (Qufu Normal University Library, Qufu Normal University)

  • Linlin Wang

    (Qufu Normal University)

  • Weiguang Ran

    (Qufu Normal University)

  • Paul N. Duchesne

    (University of Toronto, 80 St. George Street)

  • Lili Wan

    (University of Toronto, 80 St. George Street)

  • Nhat Truong Nguyen

    (University of Toronto, 80 St. George Street)

  • Lu Wang

    (University of Toronto, 80 St. George Street)

  • Meikun Xia

    (University of Toronto, 80 St. George Street)

  • Geoffrey A. Ozin

    (University of Toronto, 80 St. George Street)

Abstract

The surface frustrated Lewis pairs (SFLPs) on defect-laden metal oxides provide catalytic sites to activate H2 and CO2 molecules and enable efficient gas-phase CO2 photocatalysis. Lattice engineering of metal oxides provides a useful strategy to tailor the reactivity of SFLPs. Herein, a one-step solvothermal synthesis is developed that enables isomorphic replacement of Lewis acidic site In3+ ions in In2O3 by single-site Bi3+ ions, thereby enhancing the propensity to activate CO2 molecules. The so-formed BixIn2-xO3 materials prove to be three orders of magnitude more photoactive for the reverse water gas shift reaction than In2O3 itself, while also exhibiting notable photoactivity towards methanol production. The increased solar absorption efficiency and efficient charge-separation and transfer of BixIn2-xO3 also contribute to the improved photocatalytic performance. These traits exemplify the opportunities that exist for atom-scale engineering in heterogeneous CO2 photocatalysis, another step towards the vision of the solar CO2 refinery.

Suggested Citation

  • Tingjiang Yan & Na Li & Linlin Wang & Weiguang Ran & Paul N. Duchesne & Lili Wan & Nhat Truong Nguyen & Lu Wang & Meikun Xia & Geoffrey A. Ozin, 2020. "Bismuth atom tailoring of indium oxide surface frustrated Lewis pairs boosts heterogeneous CO2 photocatalytic hydrogenation," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-19997-y
    DOI: 10.1038/s41467-020-19997-y
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    Cited by:

    1. Yunjie Zou & Chengliang Mao & Mingkai Xu & Chao Xing & Ruizhao Wang & Geoffrey A. Ozin & Lan Ling, 2024. "Surface frustrated Lewis pairs in titanium nitride enable gas phase heterogeneous CO2 photocatalysis," Nature Communications, Nature, vol. 15(1), pages 1-13, December.

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