Synthesis and Characterization of CuO, TiO₂, and CuO-TiO₂ Mixed Oxide by a Modified Oxalate Route

Table 4

Average crystallite sizes of the as-prepared nanosized metal oxides.

Sample	Plane (hkl)	FWHM	Bragg’s angle (θ)	Crystallite size ()/nm	Average ()/nm
E1 (CuO/TiO2)	101	0.0058	12.65	24.3
	002	0.0058	17.76	25.3	25.43
	110	0.0055	19.36	26.7
E2 (TiO2)	101	0.0088	12.65	16.1	16.1
E3 (CuO)	002	0.0024	17.76	60.4	61.25
	111	0.0024	19.42	62.1
E4 Cu-doped TiO2	101	0.0082	12.67	17.3	17.3