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Issue 10, 2016
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Fabrication of porous nanoflake BiMOx (M = W, V, and Mo) photoanodes via hydrothermal anion exchange

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Abstract

Most Bi-based photoelectrodes have suitable band gaps and can effectively promote the water oxidation reaction. However, simple preparation methods for Bi-based binary metal oxides as photoanodes are scarce. This paper describes a simple hydrothermal anion exchange method to synthesize Bi-based binary metal oxides with controlled morphologies. This synthesis process uses BiOI as the template and Bi source, which is eventually converted to Bi-based porous nanoflake photoanodes upon reaction with MOx (M = W, V, and Mo)-containing precursors. The photoanodes show well-shaped porous nanoflake morphologies and exhibit impressive photoelectrochemical properties compared to Bi-based photoanodes synthesized by conventional methods. These three samples possess long-term stability under solar irradiation and show considerable photocurrent for sulfite oxidation.

Graphical abstract: Fabrication of porous nanoflake BiMOx (M = W, V, and Mo) photoanodes via hydrothermal anion exchange

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Publication details

The article was received on 25 Apr 2016, accepted on 24 Jun 2016 and first published on 24 Jun 2016


Article type: Edge Article
DOI: 10.1039/C6SC01803C
Citation: Chem. Sci., 2016,7, 6381-6386
  • Open access: Creative Commons BY license
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    Fabrication of porous nanoflake BiMOx (M = W, V, and Mo) photoanodes via hydrothermal anion exchange

    J. Zhang, T. Wang, X. Chang, A. Li and J. Gong, Chem. Sci., 2016, 7, 6381
    DOI: 10.1039/C6SC01803C

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