Table 3.

Linear optical parameter of the studied films of various d at 22 W.

Parameters	Thickness, d
	110 nm	160 nm	200 nm	225 nm
λmax (nm)	299	300	301	301
Amax	0.69	1.39	1.79	2.05
$E_g^d$ (eV)	3.66	3.79	3.82	3.83
EU (eV)	0.45	0.34	0.28	0.31
σs	0.057	0.076	0.092	0.083
Ee-p	11.7	8.82	7.26	8.04