Abstract
Zinc Oxide (ZnO) have been widely studied due to their wide band gap of ∼3.37eV and thus is a potential candidate for the applications in transparent conducting devices. The influence of aluminum dopant (0-3.0 mol%) on ZnO thin films concerning structural and optical properties are investigated. Al doped ZnO (AZO) thin films are deposited on glass substrate by sol-gel spin coating technique with different parameters. Zinc acetate dihydrate, isopropanol and monoethanolamine were used as the starting material, solvent and stabilizer, respectively. The structural properties were studied through X-Ray diffraction and was found that all films exhibit c-axis preferential orientation with a hexagonal wurtzite crystal structure. The optical transmittance found using UV-Vis spectra was ∼75% for all films in the visible region.
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