Abstract
In this study, walnut-shaped V₂O₃ particles with high photocatalytic activity in the visible light were synthesized by hydrothermal process. The V₂O₃ samples synthesized with the various temperature conditions of the hydrothermal process were characterized using XRD, SEM, TEM, UV-Visible spectrometer and N₂gas adsorption/desorption analysis. For investigating the photocatalytic performance of synthesized V₂O₃ particles in the visible light condition, photodegradation experiments of methylene blue (MB) solution under artificial sunlight irradiation was conducted. As a result, the V₂O₃ hydrothermal-synthesized at 280 °C was composed of pure V₂O₃ crystal structure and showed high photocatalytic activity for the degradation of MB dye in visible light.
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