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RETRACTED ARTICLE: Supported black phosphorus nanosheets as hydrogen-evolving photocatalyst achieving 5.4% energy conversion efficiency at 353 K

Author

Listed:
  • Bin Tian

    (Taiyuan University of Technology)

  • Bining Tian

    (Taiyuan University of Technology)

  • Bethany Smith

    (University of California, Berkeley
    Lawrence Berkeley National Lab)

  • M. C. Scott

    (University of California, Berkeley
    Lawrence Berkeley National Lab)

  • Ruinian Hua

    (College of Life science, Dalian Nationalities University)

  • Qin Lei

    (Taiyuan University of Technology)

  • Yue Tian

    (Taiyuan University of Technology
    Lawrence Berkeley National Lab)

Abstract

Solar-driven water splitting using powdered catalysts is considered as the most economical means for hydrogen generation. However, four-electron-driven oxidation half-reaction showing slow kinetics, accompanying with insufficient light absorption and rapid carrier combination in photocatalysts leads to low solar-to-hydrogen energy conversion efficiency. Here, we report amorphous cobalt phosphide (Co-P)-supported black phosphorus nanosheets employed as photocatalysts can simultaneously address these issues. The nanosheets exhibit robust hydrogen evolution from pure water (pH = 6.8) without bias and hole scavengers, achieving an apparent quantum efficiency of 42.55% at 430 nm and energy conversion efficiency of over 5.4% at 353 K. This photocatalytic activity is attributed to extremely efficient utilization of solar energy (~75% of solar energy) by black phosphorus nanosheets and high-carrier separation efficiency by amorphous Co-P. The hybrid material design realizes efficient solar-to-chemical energy conversion in suspension, demonstrating the potential of black phosphorus-based materials as catalysts for solar hydrogen production.

Suggested Citation

  • Bin Tian & Bining Tian & Bethany Smith & M. C. Scott & Ruinian Hua & Qin Lei & Yue Tian, 2018. "RETRACTED ARTICLE: Supported black phosphorus nanosheets as hydrogen-evolving photocatalyst achieving 5.4% energy conversion efficiency at 353 K," Nature Communications, Nature, vol. 9(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-03737-4
    DOI: 10.1038/s41467-018-03737-4
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    Cited by:

    1. Xu Xin & Youzi Zhang & Ruiling Wang & Yijin Wang & Peng Guo & Xuanhua Li, 2023. "Hydrovoltaic effect-enhanced photocatalysis by polyacrylic acid/cobaltous oxide–nitrogen doped carbon system for efficient photocatalytic water splitting," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Lakhera, Sandeep Kumar & Rajan, Aswathy & T.P., Rugma & Bernaurdshaw, Neppolian, 2021. "A review on particulate photocatalytic hydrogen production system: Progress made in achieving high energy conversion efficiency and key challenges ahead," Renewable and Sustainable Energy Reviews, Elsevier, vol. 152(C).
    3. Srabanti Ghosh & Susmita Bera & Soumita Samajdar & Sourabh Pal, 2023. "Phosphorus based hybrid materials for green fuel generation," Wiley Interdisciplinary Reviews: Energy and Environment, Wiley Blackwell, vol. 12(1), January.

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