Effects of annealing under different atmospheres on structural and optical properties of USCVD grown ZnO nanostructures

ZnO nanostructures were grown using Ultrasonic Spray Chemical Vapor Deposition (USCVD) on different sodalime substrates. XRD (X-ray diffraction), AFM (Atomic Force Microscope) and UV-visible spectroscopy measurements of all the samples have been carried out. The samples are shown a polycrystalline characteristic with the hexagonal ZnO structure. The peak of (0 0 2) growing direction has become stronger after annealing of samples under Ar and O-2 atmospheres. It is shown that the annealing and annealing atmospheres have a substantial effect on optical and structural properties of the grown samples on different substrates.