Green Synthesis of Nanostructure CeO₂ Using Tea Extract: Characterization and Adsorption of Dye from Aqueous Phase

Table 3

Comparison of CeO₂ crystal size derived from XRD calculation.

Materials	Substrate	Crystal size (nm)	Reference
Mn-doped CeO2	CeCl3·H2O	7.9–16.64	[49]
CeO2@C	Ce(NO3)3·6H2O	11.14–12.12	[50]
CeO2, Ce1-xAgxO2	Ce(NO3)3·6H2O	18.8–140.9	[51]
CeO2	Ce(NO3)3	20–26.2	[52]
CeO2	Ce(NO3)3·6H2O	10	[53]
CeO2	Ce(NO3)3	30–45	[54]
CeO2	CeCl3·7H2O	12.53–16.07	[47]
CeO2	CeCl3·7H2O	8.8–11.4	This study