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 (? > 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.
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Zhang, Z., Liu, H., Xu, J. et al. Enhancing the visible light absorption and charge separation of Bi2WO6 by hybridizing a CuTCPP sensitizer. Photochem Photobiol Sci 16, 1194–1200 (2017). https://doi.org/10.1039/c7pp00118e
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DOI: https://doi.org/10.1039/c7pp00118e