Abstract
Bi 2WO 6 samples were fabricated by chemical solution decomposition (CSD) method and nanosheet-like Bi 2WO 6 samples could be obtained by concentrated nitric acid treatment at 70 °C for 20 min. The products were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), and UV–vis diffuse reflectance spectra. Photocatalytic activities of the samples were evaluated by the degradation of rhodamine B (RhB) under visible light irradiation. The temperature of acid treatment obviously influenced morphology and the visible light photocatalytic activity of the Bi 2WO 6 samples. The nanosheet-like Bi 2WO 6 photocatalysts obtained by acid treatment exhibited the highest photocatalytic activity under visible light irradiation.
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