Comparison between Base Metals and Platinum Group Metals in Nitrogen, M Codoped TiO₂ (M = Fe, Cu, Pd, Os) for Photocatalytic Removal of an Organic Dye in Water

Table 3

Percentage dye degradation by the different materials.

Sample	EY degradation (%)
Comm. TiO2 (P25)	52.6
N TiO2	96.3
N, Pd TiO2	99.9
N, Fe TiO2	68.1
N, Os TiO2	91.7
N, Cu TiO2	25.5