Table 4.

Comparison of photocatalysts used for the degradation of CV dye.

catalyst	efficiency %	irradiation source	time	cited by
BiOCl/H2O2	100	visible	8 h	[19]
anatase nanosphere TiO2	99	UV	6 h	[20]
Mn-doped and PVP-capped ZnO NPs	100	UV–visible irradiation	3 h	[21]
Ag-modified Ti-doped-Bi2O3	65	UV	90 min	[22]
TG-capped ZnS NPs	87	UV–visible irradiation	3 h	[23]
AgBr–ZnO/H2O2 nanocomposite	86.93	visible light	50 min	[25]
grafted sodium alginate/ZnO/graphene oxide	94	sun light	5 h	[26]
Ga2Zr2−xWxO7/H2O2	100	visible light	5 h	present work