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111 oriented gold nanoplatelets on multilayer graphene as visible light photocatalyst for overall water splitting

Author

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  • Diego Mateo

    (Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas)

  • Iván Esteve-Adell

    (Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas)

  • Josep Albero

    (Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas)

  • Juan F. Sánchez Royo

    (ICMUV, Instituto de Ciencia de Materiales, Universidad de Valencia)

  • Ana Primo

    (Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas)

  • Hermenegildo Garcia

    (Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas)

Abstract

Development of renewable fuels from solar light appears as one of the main current challenges in energy science. A plethora of photocatalysts have been investigated to obtain hydrogen and oxygen from water and solar light in the last decades. However, the photon-to-hydrogen molecule conversion is still far from allowing real implementation of solar fuels. Here we show that 111 facet-oriented gold nanoplatelets on multilayer graphene films deposited on quartz is a highly active photocatalyst for simulated sunlight overall water splitting into hydrogen and oxygen in the absence of sacrificial electron donors, achieving hydrogen production rate of 1.2 molH2 per gcomposite per h. This photocatalytic activity arises from the gold preferential orientation and the strong gold–graphene interaction occurring in the composite system.

Suggested Citation

  • Diego Mateo & Iván Esteve-Adell & Josep Albero & Juan F. Sánchez Royo & Ana Primo & Hermenegildo Garcia, 2016. "111 oriented gold nanoplatelets on multilayer graphene as visible light photocatalyst for overall water splitting," Nature Communications, Nature, vol. 7(1), pages 1-8, September.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms11819
    DOI: 10.1038/ncomms11819
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    Cited by:

    1. Xiaoqing Yan & Mengyang Xia & Hanxuan Liu & Bin Zhang & Chunran Chang & Lianzhou Wang & Guidong Yang, 2023. "An electron-hole rich dual-site nickel catalyst for efficient photocatalytic overall water splitting," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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