Preparation and Characterization of Ni-Doped TiO₂ Materials for Photocurrent and Photocatalytic Applications

Figure 7

UV-Vis diffuse reflectance spectra (DRS) of Ni-doped TiO₂ (Ni = 0, 0.1 to 0.9 (a) and = 0, 1 to 10 at. wt.% (b)) powders formed at 550°C for 6 h.

(a)

(b)