Journal of New Technology and Materials
Volume 4, Numéro 2, Pages 8-12
2014-12-25

Effect Of Thin Layer Thickness Of Iron Oxide Prepared By Sol-gel On The Opto-electronic Properties Of The Material



Authors : Ferah M. S. . Bazine A. . Sedira S. .

Abstract

Thin Hematite iron oxide layers (a Fe2O3) were synthesized successfully using FeCl3 as precursor, ethanol as solvent and acetic acid as catalyst according to the sol-gel process and spin-coating technique. The structural properties of the films were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM) and Raman spectroscopy, and optical properties by the UV-Vis spectroscopy. This study shows a singular behavior of optical transmission characterized by two bearings and a clear dependence of optoelectronic parameters with film thikness.

Keywords

Sol-Gel, iron oxide, nanomaterials, transmittance, optical constants, optical gap.

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