Influencing Parameters in the Photocatalytic Degradation of Organic Effluent via Nanometal Oxide Catalyst: A Review

Table 5

Photocatalytic activity of earth metal doped photocatalyst.

Doping and optimum doping concentration	Light source	Catalyst preparation method	Catalyst used	Organic pollutant	Irradiation time (min)	Degradation efficiency (%)	Reference
1.5% Er^3+	UV radiation	Sol-gel method	Er^3+ doped TiO2	Orange I	60	100	[56]