THE EFFECTS OF pH ON STRUCTURAL AND OPTICAL CHARACTERIZATION OF IRON OXIDE THIN FILMS

Fatma Meydaneri̇ Tezel, Osman Özdemi̇r and İ. Afşin Kari̇per
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Fatma Meydaneri̇ Tezel: Department of Metallurgy and Materials Engineering, Faculty of Engineering, Karabük University, 78050 Karabük, Turkey
Osman Özdemi̇r: Department of Metallurgy and Materials Engineering, Faculty of Engineering, Karabük University, 78050 Karabük, Turkey
İ. Afşin Kari̇per: #x2020;Department of Science Education, Faculty of Education, Erciyes University, 38039 Kayseri, Turkey

Surface Review and Letters (SRL), 2017, vol. 24, issue 04, 1-10

Abstract: In this study, the iron oxide thin films have been produced by chemical bath deposition (CBD) method as a function of pH onto amorphous glass substrates. The surface images of the films were investigated with scanning electron microscope (SEM). The crystal structures, orientation of crystallization, crystallite sizes, and dislocation density i.e. structural properties of the thin films were analyzed with X-ray diffraction (XRD). The optical band gap (Eg), optical transmission (T%), reflectivity (R%), absorption coefficient (α), refraction index (n), extinction coefficient (k) and dielectric constant (ε) of the thin films were investigated depending on pH, deposition time, solution temperature, substrate temperature, thickness of the films by UV–VIS spectrometer.

Keywords: Thin film; pH effect; optical properties; structural properties; CBD method (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1142/S0218625X17500512

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