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Issue 15, 2017
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Photocatalytic decomposition of benzene enhanced by the heating effect of light: improving solar energy utilization with photothermocatalytic synergy

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Abstract

In the photocatalytic oxidation of benzene over BiVO4/TiO2, some deactivation was observed at 30 °C, while stable activity was maintained at higher temperatures. To further take advantage of the heating effect during photocatalysis, Pt was loaded onto the BiVO4/TiO2 sample, owing to its excellent performance in thermocatalysis. The results show that the Pt/BiVO4/TiO2 sample with a Pt loading amount of 1.0 wt% has the best activity in the oxidation of benzene, compared with others containing loading amounts of 0.2, 0.5 and 2.0 wt%. Benzene can be totally oxidized at 80 °C with an obvious photothermocatalytic synergetic effect, whose mechanism is discussed and summarized as three main paths. In this case, the heating effect of infrared light from a light source can be helpful in photocatalysis, which is an inspiration for increasing the availability of solar energy.

Graphical abstract: Photocatalytic decomposition of benzene enhanced by the heating effect of light: improving solar energy utilization with photothermocatalytic synergy

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Publication details

The article was received on 20 Mar 2017, accepted on 22 Jun 2017 and first published on 23 Jun 2017


Article type: Paper
DOI: 10.1039/C7CY00532F
Citation: Catal. Sci. Technol., 2017,7, 3303-3311
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    Photocatalytic decomposition of benzene enhanced by the heating effect of light: improving solar energy utilization with photothermocatalytic synergy

    J. Fang, Z. Chen, Q. Zheng and D. Li, Catal. Sci. Technol., 2017, 7, 3303
    DOI: 10.1039/C7CY00532F

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