A Brief Overview of TiO₂ Photocatalyst for Organic Dye Remediation: Case Study of Reaction Mechanisms Involved in Ce-TiO₂ Photocatalysts System

Table 3

Literature review on various preparation methods with process parameters of Ce-TiO₂ catalyst.

Materials	Dopant	Dopant concentration	Morphology	Bandgap, eV	Rate of degradation of MB dye (10^−3 min^−1)	References
TiO2	Ce	3 mol	Nanoparticle	2.46	24	[72]
	Fe/Ce		Nanoparticle	2.5	15.4	[74]
	Ce	1 wt %	Nanofiber	2.99	15	[75]
	Nd	1 wt %	Nanofiber	3.1	13	[75]
	Ce	5 wt %mol	Nanoparticle		16.6	[76]
	Ce/N	0.6 mol	Nanoparticle	2.52		[77]
	Ce		Nanofibrous mats		49.5	[53]
	Ce	5 mol %	Microsphere	2.49	1.6	[71]
	Ce/Pt	6.6 wt %	Nanoparticle	2.3		[78]
	Ce		Thin film	2.6	2.5	[79]
	Ce	2 mol	Nanobelt	2.51	34.8	[80]
Degussa P25				3.2	6.3