Abstract
Hollow BiVO4 microspheres composed of nanosized particles were successfully prepared via a simple hydrothermal reaction route at 170C for 12 h. The crystal structures, morphologies, and optical properties of the as-prepared samples were characterized by X-ray powder diffraction (XRD), transmission electron microscope (TEM), scanning electron microscopy (SEM) and UV-visible absorption spectra (UV-vis). Simulated Sun-light induced photocatalytic degradation of Rhodamine B by hollow BiVO4 microspheres has been investigated, and the results show the hollow structures with excellent photocatalytic activity.
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