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A. Giannakas,F. Bairamis,I. Papakostas,T. Zerva,I. Konstantinou 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.65 No.-
V2O5/TiO2 photocatalysts, with V2O5 particles supported on TiO2 (TV), N-TiO2 (NTV) and N/F-TiO2 (NFTV), were prepared with 5% wt. V2O5 loading and 450, 550 °C as calcination temperatures. XRD analysis showed the formation of anatase TiO2 and very small peaks of V2O5. DRS UV–vis spectra showed that V2O5 coupling extended the absorption edge into the visible light region. Photocatalysts calcined at 450 °C exhibited higher rates of Cr(VI) reduction and OH radical photogeneration than photocatalysts calcined at 550 °C. For catalysts at 450 °C, photocatalytic reduction of Cr(VI) follows the trend ΤV450 > ΝΤV450 > ΝFTV450 while the OH generation followed the reverse trend.