High quality doped zinc oxide (ZnO) thin films deposited onto glass substrates as well as on FTO substrate by aerosol assisted chemical vapors (AACVD) method. The deposition was performed using zinc acetate solution in methanol as zinc precursor with predetermined concentration of acetate of Co, Cr, Fe, Sb, Ni as dopant source. In order to obtained good quality crystalline thin films, the deposition was carried out at 450 °C. Uniform well adhesive thin films were grown and exhibited good photochemical response. The as- synthesized doped ZnO thin films were characterized by powdered x-rays diffraction (p- XRD), scanning electron microscopy (SEM), and ultra violet-visible spectroscopy (UV-Vis). These doped thin films have potential use for water splitting applications including linear sweep voltammetry, Cyclic voltammetry, chronoamperometric measurements, Chemical double layer capacitance (cdl).