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

Table 1

Absorption edges and the band gaps of samples.

	Pure TiO2	Cd-TiO2	N-TiO2	N, Cd-TiO2
𝜆 (nm)	387.5	392.4	394	402.6
𝐸𝑔 (eV)	3.20	3.16	3.15	3.08