Fabrication of novel CuWO4 hollow microsphere photocatalyst for dye degradation under visible-light irradiation
2016
Abstract A novel CuWO 4 hollow microsphere photocatalyst was first synthesized vis a one-step hydrothermal method. The structure and morphology were characterized by SEM, TEM and XRD. The photocatalytic degradation of MB was investigated by UV–vis spectrum. The results show that CuWO 4 hollow microsphere exhibited superior photocatalytic activity compared with the commercial P25 under the irradiation of visible light. The degradation rate constant k of CuWO 4 hollow microsphere is 1.86 times higher than that of the commercial P25 (0.0109 min −1 ). The higher photocatalytic performance of CuWO 4 hollow microsphere is attributed to the high absorbability and light-scattering resonance effect of the hollow spherical structure.
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