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Issue 7, 2017
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Enhancing the visible light absorption and charge separation of Bi2WO6 by hybridizing a CuTCPP sensitizer

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Abstract

In order to utilize solar light more efficiently, a Bi2WO6 photocatalyst was sensitized by Cu(II) meso-tetra (4-carboxyphenyl) porphyrin (CuTCPP). The obtained CuTCPP/Bi2WO6 composite exhibited enhanced photocatalytic activity in the degradation of an organic pollutant, rhodamine B (RhB), under simulated solar light irradiation as well as visible light beyond the absorption edge of Bi2WO6 (λ > 450 nm). The enhancement of the photocatalytic activity can be attributed to the sensitization effect of CuTCPP, which increased the visible-light harvesting, as well as the well-matched overlapping band structures between CuTCPP and Bi2WO6, which facilitated the separation of photo-generated electron–hole pairs. Therefore, the CuTCPP/Bi2WO6 nanohybrid may be used as a promising photocatalyst in environmental remediation.

Graphical abstract: Enhancing the visible light absorption and charge separation of Bi2WO6 by hybridizing a CuTCPP sensitizer

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Publication details

The article was received on 30 Mar 2017, accepted on 29 May 2017 and first published on 30 May 2017


Article type: Paper
DOI: 10.1039/C7PP00118E
Citation: Photochem. Photobiol. Sci., 2017,16, 1194-1200
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    Enhancing the visible light absorption and charge separation of Bi2WO6 by hybridizing a CuTCPP sensitizer

    Z. Zhang, H. Liu, J. Xu and N. Zhang, Photochem. Photobiol. Sci., 2017, 16, 1194
    DOI: 10.1039/C7PP00118E

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