Influence of Codoping on the Optical Properties of ZnO Thin Films Synthesized on Glass Substrate by Chemical Bath Deposition Method

Table 1

The peak position, FWHM, average crystalline size, lattice constant, and average lattice strain for the (K, Fe) codoped ZnO thin films.

Materials	Peak positions			FWHM of peaks			Average crystalline size (nm)	Lattice constant (nm)		Average crystalline strain (nm)
	(100)	(002)	(001)	(100)	(002)	(101)
K (1%)-Fe (1%)-ZnO film	31.49	34.10	36.80	0.1088	0.1060	0.1076	77.39	0.3043	0.5270	0.0879
K (1%)-Fe (2%)-ZnO film	31.90	34.90	36.90	0.1105	0.1095	0.1081	76.47	0.2862	0.4957	0.0882
K (1%)-Fe (3%)-ZnO film	31.90	34.90	36.90	0.1102	0.1093	0.1088	76.08	0.3004	0.5203	0.0882
K (1%)-Fe (4%)-ZnO film	31.90	34.80	36.70	0.1014	0.1009	0.1002	82.55	0.3012	0.5217	0.0815