摘要: Perovskite-type oxide SrFe_(0.5)Co_(0.5)O_(3-δ) was synthesized by citric acid method successfully. The structures of the catalyst were characterized by X-ray powder diffraction (XRD), scanning electron microscope (SEM). Using SrC... 展开 Perovskite-type oxide SrFe_(0.5)Co_(0.5)O_(3-δ) was synthesized by citric acid method successfully. The structures of the catalyst were characterized by X-ray powder diffraction (XRD), scanning electron microscope (SEM). Using SrCo_(0.5)Fe_(0.5)O_(3-δ) as photocatalyst, the photocatalytic properties of degrading gentian violet (GV) were evaluated under high pressure mercury lamp. SrFe_(0.5)Co_(0.5)O_(3-δ) exhibited higher photocatalytic activity than TiO_2, the degradation efficiency of gentian violet reached 98.09%. Several operational parameters were studied systematically, including irradiation time, photocatalyst dose, and initial gentian violet concentration. The kinetics of photocatalytic degradation of gentian violet fitted well pseudo first-order reaction with high regression coefficients R~2. 收起