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

Figure 13

Linear transforms: −In(𝐶_𝑡/𝐶₀) versus irradiation time for methylene blue (MB) under simulated solar light over Ni-doped TiO₂ (Ni = 0.1, 0.5, 1, 5, and 10 at. wt.%) powders formed at 550°C for 6 h. (a) 0.01 mM, (b) 0.02 mM, and (c) 0.03 mM MB solutions.

(a)

(b)

(c)