Abstract
Abstract Nanocrystalline hexagonal and tetrahedral shape Sb2O3 thin films of different concentrations have been successfully deposited onto glass substrates using chemical spray pyrolysis technique for the first time. The structural, morphological and compositional studies were carried out using X-ray diffractometer (XRD), field emission scanning electron microscope (FESEM) and energy dispersive X-ray analysis (EDAX) respectively. The structural studies revealed that, deposited Sb2O3 thin films have polycrystalline nature having cubic senarmontite structure. The morphological and compositional studies revealed that deposited materials have hexagonal and tetrahedral shape which showing excellent agreement with theoretical composition. The optical characterization shows that deposited Sb2O3 exhibited direct band gap which varied from 3.43 to 3.71 eV depending upon the concentration of spray solution. Electrical resistivity of the Sb2O3 thin film decreases with an increase in temperature indicating the semiconducting nature. The activation energy of the film is found to be varying from 0.764 to 0.798 eV depending upon the concentration of spray solution.
Published Version
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