Table 1.

Comparison of crystallite sizes and band gap energies of as-synthesized photocatalysts.

Sr. no.	Catalyst name	Crystal size Scherer method (nm)	Crystal size W–H method (nm)	Band gap (eV)
1	CuFe2O4	17.85	22.73	1.80
2	S-CuFe2O4	18.54	24.01	1.78