The Effect of Transition Metal Doping on the Photooxidation Process of Titania-Clay Composites

Table 2

Photocatalytical characterization of the TiO₂ (P25) and the transition metal nanocomposite samples.

	“Light source 1” (λ = 254 nm)			“Light source 2” (λ = 435 nm)
	Δc EtOH	𝑘	efficiency	Δc EtOH	𝑘	efficiency
	(mmol dm^-3) 10 min	(*10^-4s^-1)	%	(mmol dm^-3) 10 min	(*10^-4s^-1)	%
TiO2 (P25)	0.072	6.58	100	0.017	1.43	100
Ag/TiO2/clay	0.211	34.94	293	0.032	2.31	188
Ni/TiO2/clay	0.076	6.35	105	0.015	1.22	88
Cu/TiO2/clay	0.140	13.96	194	0.027	1.88	159