Research Article

Ta/Ti O 2 -and Nb/Ti O 2 -Mixed Oxides as Efficient Solar Photocatalysts: Preparation, Characterization, and Photocatalytic Activity

Figure 1

(a) XRD results for untreated (pure TiO2) and Ta/TiO2-mixed oxides at different TiO2 : Ta ratios and 500°C calcination temperature for 3 hours. (b) XRD results for untreated (pure TiO2) and Nb/TiO2-mixed oxides at different TiO2 : Nb ratios and 500°C calcination temperature for 3 hours.
548158.fig.001a
(a)
548158.fig.001b
(b)