Abstract
Novel magnetically recoverable Fe3O4/CaCO3/CuWO4 heterostructures photocatalysts, with superior visible-light photocatalytic performance, were successfully fabricated by a simple method in presence of different surfactants. The materials were characterized by X-ray diffraction, field emission scanning electron microscopy, vibrating sample magnetometer, photoluminescence emission spectra, and UV–vis diffuse reflectance spectroscopy. This coupled semiconductor system has also been examined for the photocatalytic application. In addition, methylene blue was chosen as a dye water pollution to evaluate its degradation by as-synthesized Fe3O4/CaCO3/CuWO4 under visible light irradiation. Furthermore, the photocatalysis results reveal that the maximum decolorization of 99% for MB occurred at 180 min. Fe3O4/CaCO3/CuWO4 heterostructures photocatalysts exhibited superior photocatalytic activity.
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