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2016, 9(6): 1561–1569

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https://doi.org/10.1007/s12274-016-1050-9

Spontaneous photoelectric field-enhancement effect prompts the low cost hierarchical growth of highly ordered heteronanostructures for solar water splitting

Yankuan Wei, Jinzhan Su (*), Xiaokang Wan, Liejin Guo, and Lionel Vayssieres (*)

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International Research Center for Renewable Energy, State Key Laboratory for Multiphase Flow in Power Engineering, School of Energy &Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China

Keywords: bismuth vanadate, co-catalysts, photocatalysis, solar water splitting, oxygen evolution
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In this study, a potentially universal new strategy is reported for the large-scale, low-cost fabrication of visible-light-active highly ordered heteronanostructures based on the spontaneous photoelectric-field-enhancement effect inherent in pyramidal morphology. The hierarchical vertically oriented arrayed structures comprise an active molecular co-catalyst at the apex of a visible-light-active large band gap semiconductor for low-cost solar water splitting in a neutral aqueous medium without the use of a sacrificial agent.
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Spontaneous photoelectric field-enhancement effect prompts the low cost hierarchical growth of highly ordered heteronanostructures for solar water splitting. Nano Res. 2016, 9(6): 1561–1569 https://doi.org/10.1007/s12274-016-1050-9

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