Table 2.

A comparison table on the photocatalytic dye degradation using doped-Fe₂O₃ photocatalyst.

Dopant	Optimum dopant percentage (%)	Dye	Dye concentration	Irradiation time (min)	Photodegradation efficiency (%)	Ref
Co	4	Methylene blue	–	120	92	[18]
Co	5	Pararosaniline	5 × 10−5 M	60	89.8	[19]
Zn	4	Rose bengal	5 ppm	90	87	[20]
In2O3	10	Rhodamine B	100 mg/L	12	94	[21]
Ca	5	Rhodamine B	10 mg/L	120	99	[22]
Zn	6	Methyl orange	10 mg/L	140	87.4	[23]
Mg	3	Methylene blue	5 mg/mL	180	90	[24]
I	1	Methylene blue	10−5 M	45	97.72	[25]
Sn	6	Methylene blue	–	150	92	[26]
Sn	5	Methyl orange	10 ppm	120	100	Current study