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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Study of thin Films of Nickel Oxide (NiO) Deposited by the Spray Pyrolysis Method
Antar Bouhank1,2, Youcef. Bellal1 and Hacene Serrar
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DOI:10.17265/1934-7375/2018.03.005
In this work, thin films of nickel oxide (NiO) were deposited by a simple and inexpensive technique, which is spray pyrolysis on ordinary glass substrates heated to a fixed temperature of 500 °C, from a solution containing nickel nitrate hexahydrate as a precursor dissolved in distilled water with deferent values of concentrations. The NiO thin films obtained were characterized to determine the structure with X-ray diffraction technique (XRD), the absorption domain (UV-Visible Spectroscopy), and the surface morphology (SEM). The X-ray diffraction patterns confirm the presence of NiO phase with preferential orientation along the (111) direction. The optical gap for nickel oxide calculated with a concentration of 0.1 M from the measurement of optical absorption is 3.6 eV, which is quite comparable to the value of the ratio.
NiO, thin films, spray pyrolysis
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