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Various methods such as hydrothermal process, sol-gel method and co-precipitation method have been reported for the synthesis of un-doped and doped ZnO nanoparticles (NPs).1 In these approaches, sol-gel is the most effective and facile method to prepare the NPs.2 Based on our research, 3 a novel Y-AZO composite was successfully synthesized by the modified sol-gel method.