International Scholarly Research Notices

Review Article

An Overview on the Photocatalytic Activity of Nano-Doped- in the Degradation of Organic Pollutants

Effect of calcination temperature of nano-doped-TiO₂ on the photocatalytic degradation process.


Type of dopant	Doped TiO₂ preparation method	Doped TiO₂ loading (g/L)	Range of calcination temperature (°C)	Optimum calcination temperature (°C)	Organic pollutant	Initial pollutant concentration (mg/L)	Light source	Degradation efficiency, %	Reference

Fe	Sol gel	5.0	200–400	400	Methyl orange	20	UV-vis	99.7	[46]
Pt	Photochemical reduction	2.0	110–500	110	Methyl orange	20	UV	87.8	[58]
I, F	Sol gel-impregnation	1.0	500–700	500	Methylene blue	10	Sunlight	98	[94]
Sm, N	Coprecipitation	1.0	300–600	400	Salicylic acid	50	Visible light	67	[102]
Fe	Sol gel	1.0	0–900	500	Reactive blue 4	70	Ultrasonic	82	[110]
N, S	Hydrolysis	0.02	400–800	500	Formaldehyde	350	Sunlight	65	[100]
Cu, S	Sol gel	1.0	500–850	500	Methyl orange	10	Visible	100	[103]
Pt, Cu	Impregnation	1.0	300–700	300	Nitrate	10	UV	90	[105]
Pr	Sol gel	1.0	100–800	600	Phenol	50	UV	96	[111]
KOX	Sol gel	1.0	.0–1000	800	Methylene blue	20	Fluorescence blacklight	100	[112]