Photocatalytical Properties and Theoretical Analysis of N, Cd-Codoped TiO₂ Synthesized by Thermal Decomposition Method

Figure 4

(a) The survey XPS spectra of N, Cd-TiO₂, (b) N 1s XPS spectra of N, Cd-TiO₂, (c) Cd 3d XPS spectra of N, Cd-TiO₂.

(a)

(b)

(c)