Synergistic Adsorption and Photocatalytic Activity under Visible Irradiation Using Ag-ZnO/GO Nanoparticles Derived at Low Temperature

Table 2

Comparison between previous and current studies for MB removal using photocatalytic degradation.

Photocatalyst	Chemical ingredients	Calcination temperature	Light source	Adsorption	Photocatalysis	Total removal	Remark	Ref.
Sulphonated GO-ZnO-Ag	Zn(CH3COO)2.2H2O, HMTA, EG, AGNO3, HCl, ClCH2CH2SO3H, AgNO3, NaNO3, KMnO4, H2O2, H2SO4	160	Visible	20%	78%	98%	Sulfonated GO high calcination temperature	[13]
Ag-ZnO/RGO	GO, bis-hexamethylene triamine, Zn(NO3)2.6H2O, AgNO3, ethanol	140, in autoclave	Visible		Not separated	65%	Reduced GO high calcination temperature in autoclave	[15]
Graphene-Ag/ZnO	Graphene, EG, CH3COOAg, Zn(CH3COO)2.2H2O, NaOH	160	Visible	28.6%	65.6%	94.4%	Graphene expensive high calcination temperature	[8]
Ag/ZnO/GO	Graphite oxide, ZnO, AgNO3	55	UV		Not separated	98%	GO UV light high energy safety issue	[16]
Ag-ZnO/GO	Graphene oxide, AgNO3, ZnSO4.7H2O, C6H6O6	70	Visible	25%	60%	85%	GO visible light low energy high safety	This study
			UV	25%	74%	99%	UV light high energy safety issue	This study