Structural and Optical properties of SnO2 doped ZnO thin films prepared by Pulsed Nd:YAG Laser Deposition

Abstract

In this work the thin films of ZnO were deposited at room temperature and
were doped with different concentrations of SnO2 thin films wich equal
(x=0,0.2,0.4,0.6,1).The deposition process was carried out on glass
substrates with a technique (PLD) that included the use of wave length
equal to (1064nm) and the energy its amount(400 mj) and the pulses
number used (200 puls). The structural properties and optical properties of
asـdeposited films were transported out using (XRD), UV–vis and AFM
.The effect of SnO2 content on these Characteristics was investigated
properties by (XRD) show The thin films for ZnO have a hexagonal
system, with wurtzite. type Polycrystalline and numerous peaks [(100),
(002), (101), (012) and (110)] respectively, were show. Moreover AFM
investigation appears no clefts in the created layer. The optical properties
related to the transition and absorption spectra of thin films prepared using
the near-infrared UV spectrometer. The results appear that (T) of Zinc
oxide film in visible domain reachs nearly 34.45%,Optical band gaps were
found to be (2.54, 2.34, 2.33, 2.25 and 2.10) eV for different
concentration of SnO2 (X=0,0.2,0.4,0.6and1) wt% respectively. At (500
nm) extinction coefficient and the refractive index were determined