Photocatalytic activity of TiO2 doped with Zn2+ and V5+ transition metal ions: Influence of crystallite size and dopant electronic configuration on photocatalytic activity
Anatase TiO2 was prepared by sol–gel method through the hydrolysis of titanium
tetrachloride and doped with transition metal ions like V5+ and Zn2+. The photocatalysts
were characterized by various analytical techniques. Powder X-ray diffraction studies
revealed only anatase phase for the doped samples. The band gap absorption for the doped
samples showed red shift to the visible region (∼ 456nm) as confirmed by UV–vis
absorption spectroscopy and diffuse reflectance spectral studies. The surface area of the …
tetrachloride and doped with transition metal ions like V5+ and Zn2+. The photocatalysts
were characterized by various analytical techniques. Powder X-ray diffraction studies
revealed only anatase phase for the doped samples. The band gap absorption for the doped
samples showed red shift to the visible region (∼ 456nm) as confirmed by UV–vis
absorption spectroscopy and diffuse reflectance spectral studies. The surface area of the …
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