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Issue 19, 2016
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Synthesis of hierarchical flower-like Bi2MoO6 microspheres as efficient photocatalyst for photoreduction of CO2 into solar fuels under visible light

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Abstract

Hierarchical flower-like Bi2MoO6 microspheres were successfully synthesized via a facile hydrothermal approach, employing PVP as the crystal growth modifier. The building units of the hierarchical flower-like Bi2MoO6 were constructed by two-dimensional thin flakes, which intercrossed with each other and aggregated together to form the three-dimensional flower-like structure. The PVP amount and hydrothermal duration played crucial roles in the formation of the Bi2MoO6 architectures with evolving morphologies. The Bi2MoO6 samples were first evaluated for the photocatalytic reduction of CO2 into methanol and ethanol as solar fuels under visible-light irradiation. It has been found that the hierarchical flower-like Bi2MoO6 exhibits highly efficient photocatalytic activity. After 4 hours of irradiation, the yields of methanol and ethanol were 24.8 and 18.8 μmol gcat−1 respectively, higher than those obtained over previously-reported Bi2WO6 hollow microspheres. This demonstrates that the hierarchical flower-like Bi2MoO6 is a simple, efficient and promising visible-light-driven photocatalyst for the photoreduction of CO2 into solar fuels.

Graphical abstract: Synthesis of hierarchical flower-like Bi2MoO6 microspheres as efficient photocatalyst for photoreduction of CO2 into solar fuels under visible light

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Publication details

The article was received on 30 Jan 2016, accepted on 13 Apr 2016 and first published on 13 Apr 2016


Article type: Paper
DOI: 10.1039/C6CE00248J
Citation: CrystEngComm, 2016,18, 3472-3480

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    Synthesis of hierarchical flower-like Bi2MoO6 microspheres as efficient photocatalyst for photoreduction of CO2 into solar fuels under visible light

    W. Dai, J. Yu, H. Xu, X. Hu, X. Luo, L. Yang and X. Tu, CrystEngComm, 2016, 18, 3472
    DOI: 10.1039/C6CE00248J

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