Abstract
In this work, cathodic electrochemical deposition was proposed to fabricate reproducible and homogeneous hematite (α-Fe2O3) nanoparticles on indium-tin-oxide (ITO) films. The α-Fe2O3 nanoparticles, which were quasi-hexagonally shaped, were deposited in an aqueous mixture of FeCl2 and FeCl3 at the temperatures 16.5°C, 40°C and 60°C. The electrochemically deposited α-Fe2O3 nanoparticles showed excellent stability and good crystallinity. The α-Fe2O3 nanoparticles were characterized by Raman spectroscope and X-ray diffractometer (XRD). A scanning electron microscope (SEM) was used to measure the size and shape of the nanoparticles. The experiment results have shown that the size and shape of nanoparticles were determined by electrochemical deposition conditions including the deposition time, current density, reaction temperature and solution concentration. The proposed electrochemical deposition method has been proven to be a cost-effective, environment friendly and highly efficient approach in fabricating well decentralized α-Fe2O3 nanoparticles for different potential applications.
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