TiO₂-CdS Nanocomposites: Effect of CdS Oxidation on the Photocatalytic Activity

Table 1

Energy band gaps corresponding to cutoffs 1 and 2 for TiO₂, TiO₂-CdS, and CdS.

Sample	Cutoff 1 (±0.03 eV)	Cutoff 2 (±0.01 eV)
TiO2	3.18	—
TiO2-0.02CdS	3.22	2.29
TiO2-0.03CdS	3.20	2.29
TiO2-0.1CdS	3.24	2.29
TiO2-0.5CdS	3.22	2.29
CdS	—	2.28