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Monolayered Bi2WO6 nanosheets mimicking heterojunction interface with open surfaces for photocatalysis

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  • Yangen Zhou

    (State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University)

  • Yongfan Zhang

    (Fuzhou University
    Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry)

  • Mousheng Lin

    (State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University)

  • Jinlin Long

    (State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University)

  • Zizhong Zhang

    (State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University)

  • Huaxiang Lin

    (State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University)

  • Jeffrey C.-S. Wu

    (National Taiwan University)

  • Xuxu Wang

    (State Key Laboratory of Photocatalysis on Energy and Environment, Fuzhou University)

Abstract

Two-dimensional-layered heterojunctions have attracted extensive interest recently due to their exciting behaviours in electronic/optoelectronic devices as well as solar energy conversion systems. However, layered heterojunction materials, especially those made by stacking different monolayers together by strong chemical bonds rather than by weak van der Waal interactions, are still challenging to fabricate. Here the monolayer Bi2WO6 with a sandwich substructure of [BiO]+–[WO4]2−–[BiO]+ is reported. This material may be characterized as a layered heterojunction with different monolayer oxides held together by chemical bonds. Coordinatively unsaturated Bi atoms are present as active sites on the surface. On irradiation, holes are generated directly on the active surface layer and electrons in the middle layer, which leads to the outstanding performances of the monolayer material in solar energy conversion. Our work provides a general bottom-up route for designing and preparing novel monolayer materials with ultrafast charge separation and active surface.

Suggested Citation

  • Yangen Zhou & Yongfan Zhang & Mousheng Lin & Jinlin Long & Zizhong Zhang & Huaxiang Lin & Jeffrey C.-S. Wu & Xuxu Wang, 2015. "Monolayered Bi2WO6 nanosheets mimicking heterojunction interface with open surfaces for photocatalysis," Nature Communications, Nature, vol. 6(1), pages 1-8, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms9340
    DOI: 10.1038/ncomms9340
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    Cited by:

    1. Madriz, Lorean & Tatá, José & Carvajal, David & Núñez, Oswaldo & Scharifker, Benjamín R. & Mostany, Jorge & Borrás, Carlos & Cabrerizo, Franco M. & Vargas, Ronald, 2020. "Photocatalysis and photoelectrochemical glucose oxidation on Bi2WO6: Conditions for the concomitant H2 production," Renewable Energy, Elsevier, vol. 152(C), pages 974-983.
    2. Yuxue Zhou & Xiangdong Meng & Ling Tong & Xianghua Zeng & Xiaobing Chen, 2016. "Template-Free Fabrication of Bi 2 WO 6 Hierarchical Hollow Microspheres with Visible-Light-Driven Photocatalytic Activity," Energies, MDPI, vol. 9(10), pages 1-11, September.

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