Preparation and Characterization of Ni-Doped Materials for Photocurrent and Photocatalytic Applications
Figure 8
Transformed diffuse reflectance spectra of Ni-doped TiO2 (Ni = 0, 0.1, 0.5, 1, 5, and 10 at. wt.%) powders formed at 550°C for 6 h showing direct bandgap (a) and indirect bandgap (b) energy values.
