Effect of annealing temperature on the synthesis and photocatalytic properties of Bi0.65K0.2Ba0.15FeO3 perovskite-like nanoparticle synthesized by sol-gel method

Beni-Suef University Journal of Basic and Applied Sciences

Table 1 Lattice parameters and the crystallite sizes for the Bi_0.65K_0.2Ba_0.15FeO₃ annealed at temperatures of 600, 700, and 800° C

Samples	Space group	Cell parameters			Crystallite size (nm)
Samples	Space group	a (Å)	b (Å)	c (Å)	Crystallite size (nm)
K2BFO 600	R3C	5.496	5.496	13.327	20.32 ± 2
K2BFO 700	R3C	5.482	5.482	13.312	24.16 ± 2
K2BFO 800	R3C	5.491	5.491	13.232	27.12 ± 2