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Two-dimensional amorphous NiO as a plasmonic photocatalyst for solar H2 evolution

Author

Listed:
  • Zhaoyong Lin

    (Sun Yat-sen University)

  • Chun Du

    (Sun Yat-sen University)

  • Bo Yan

    (Sun Yat-sen University)

  • Chengxin Wang

    (Sun Yat-sen University)

  • Guowei Yang

    (Sun Yat-sen University)

Abstract

Amorphous materials are usually evaluated as photocatalytically inactive due to the amorphous nature-induced self-trapping of tail states, in spite of their achievements in electrochemistry. NiO crystals fail to act as an individual reactor for photocatalytic H2 evolution because of the intrinsic hole doping, regardless of their impressive cocatalytic ability for proton/electron transfer. Here we demonstrate that two-dimensional amorphous NiO nanostructure can act as an efficient and robust photocatalyst for solar H2 evolution without any cocatalysts. Further, the antenna effect of surface plasmon resonance can be introduced to construct an incorporate antenna-reactor structure by increasing the electron doping. The solar H2 evolution rate is improved by a factor of 19.4 through the surface plasmon resonance-mediated charge releasing. These findings thus open a door to applications of two-dimensional amorphous NiO as an advanced photocatalyst.

Suggested Citation

  • Zhaoyong Lin & Chun Du & Bo Yan & Chengxin Wang & Guowei Yang, 2018. "Two-dimensional amorphous NiO as a plasmonic photocatalyst for solar H2 evolution," Nature Communications, Nature, vol. 9(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-06456-y
    DOI: 10.1038/s41467-018-06456-y
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    Cited by:

    1. Xin Wang & Boyan Liu & Siqing Ma & Yingjuan Zhang & Lianzhou Wang & Gangqiang Zhu & Wei Huang & Songcan Wang, 2024. "Induced dipole moments in amorphous ZnCdS catalysts facilitate photocatalytic H2 evolution," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    2. Chun-Kuo Peng & Yu-Chang Lin & Chao‐Lung Chiang & Zhengxin Qian & Yu-Cheng Huang & Chung-Li Dong & Jian‐Feng Li & Chien-Te Chen & Zhiwei Hu & San-Yuan Chen & Yan-Gu Lin, 2023. "Zhang-Rice singlets state formed by two-step oxidation for triggering water oxidation under operando conditions," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    3. Xinfeng Chen & Chengdong Peng & Wenyan Dan & Long Yu & Yinan Wu & Honghan Fei, 2022. "Bromo- and iodo-bridged building units in metal-organic frameworks for enhanced carrier transport and CO2 photoreduction by water vapor," Nature Communications, Nature, vol. 13(1), pages 1-14, December.
    4. Chengxin Zhou & Jian Gao & Yunlong Deng & Ming Wang & Dan Li & Chuan Xia, 2023. "Electric double layer-mediated polarization field for optimizing photogenerated carrier dynamics and thermodynamics," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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