Journal
APPLIED SURFACE SCIENCE
Volume 368, Issue -, Pages 303-308Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2016.02.007
Keywords
Cathodic electrochemical deposition; Hematite nanoparticles; Indium-tin-oxide electrode
Categories
Funding
- International Science and Technology Cooperation Program of China [2012DFA11070]
- EU FP7 [318971, 612641]
- EU H2020 [644971]
- Changbai Scholar Program of Jilin Province, National Natural Science Foundation Program of China [11504030, 60940035, 61176002]
- Jilin Provincial Science and Technology Program [201215136, 20140414009GH, 2015-67]
- Science and Technology Program of Changchun City [11KP04]
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In this work, cathodic electrochemical deposition was proposed to fabricate reproducible and homogeneous hematite (alpha-Fe2O3) nanoparticles on indium-tin-oxide (ITO) films. The alpha-Fe2O3 nanoparticles, which were quasi-hexagonally shaped, were deposited in an aqueous mixture of FeCl2 and FeCl3 at the temperatures 16.5 degrees C, 40 degrees C and 60 degrees C. The electrochemically deposited alpha-Fe2O3 nanoparticles showed excellent stability and good crystallinity. The alpha-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 alpha-Fe2O3 nanoparticles for different potential applications. (C) 2016 Elsevier B.V. All rights reserved.
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