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Synthesis and characterization of Al2O3/ZnO coatings formed by plasma electrolytic oxidation

Authorized Users Only
2015
Authors
Stojadinović, Stevan D.J.
Tadić, Nenad
Radić, Nenad
Stojadinovic, B
Grbić, Boško
Vasilić, Rastko
Article (Published version)
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Abstract
Mixed Al2O3/ZnO coatings are prepared by conventional DC plasma electrolytic oxidation (PEO) of aluminum in boric acid and borax solution containing ZnO nanoparticles. Scanning electron microscopy equipped with energy dispersive x-ray spectroscopy, x-ray diffraction, and Raman spectroscopy were employed to monitor morphological, structural, and chemical changes of obtained oxide coatings. It was found that chemical and phase compositions strongly depend on PEO time. Photoluminescence and photodegradation of methyl orange served as a tool to estimate potential application of Al2O3/ZnO coatings. Photoluminescence measurements showed that clearly observable bands inherent to Al2O3 and ZnO are present in formed coatings, pointing at oxygen vacancies as the main source of photoluminescence. Longer PEO processing times proved beneficial for enhanced photocatalytic activity.
Keywords:
Plasma electrolytic oxidation / ZnO / Al2O3 / Photoluminescence / Photocatalytic activity
Source:
Surface and Coatings Technology, 2015, 276, 573-579
Publisher:
  • Elsevier
Funding / projects:
  • Graphitic and Inorganic Low-dimensional Nanostructures (RS-171035)
  • The development of efficient chemical-engineering processes based on the transport phenomena research and process intensification principles (RS-172022)
  • Chemical and structural designing of nanomaterials for application in medicine and tissue engineering (RS-172026)

DOI: 10.1016/j.surfcoat.2015.06.013

ISSN: 0257-8972

WoS: 000360594600070

Scopus: 2-s2.0-84939268620
[ Google Scholar ]
33
30
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/1722
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Stojadinović, Stevan D.J.
AU  - Tadić, Nenad
AU  - Radić, Nenad
AU  - Stojadinovic, B
AU  - Grbić, Boško
AU  - Vasilić, Rastko
PY  - 2015
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1722
AB  - Mixed Al2O3/ZnO coatings are prepared by conventional DC plasma electrolytic oxidation (PEO) of aluminum in boric acid and borax solution containing ZnO nanoparticles. Scanning electron microscopy equipped with energy dispersive x-ray spectroscopy, x-ray diffraction, and Raman spectroscopy were employed to monitor morphological, structural, and chemical changes of obtained oxide coatings. It was found that chemical and phase compositions strongly depend on PEO time. Photoluminescence and photodegradation of methyl orange served as a tool to estimate potential application of Al2O3/ZnO coatings. Photoluminescence measurements showed that clearly observable bands inherent to Al2O3 and ZnO are present in formed coatings, pointing at oxygen vacancies as the main source of photoluminescence. Longer PEO processing times proved beneficial for enhanced photocatalytic activity.
PB  - Elsevier
T2  - Surface and Coatings Technology
T1  - Synthesis and characterization of Al2O3/ZnO coatings formed by plasma electrolytic oxidation
VL  - 276
SP  - 573
EP  - 579
DO  - 10.1016/j.surfcoat.2015.06.013
ER  - 
@article{
author = "Stojadinović, Stevan D.J. and Tadić, Nenad and Radić, Nenad and Stojadinovic, B and Grbić, Boško and Vasilić, Rastko",
year = "2015",
abstract = "Mixed Al2O3/ZnO coatings are prepared by conventional DC plasma electrolytic oxidation (PEO) of aluminum in boric acid and borax solution containing ZnO nanoparticles. Scanning electron microscopy equipped with energy dispersive x-ray spectroscopy, x-ray diffraction, and Raman spectroscopy were employed to monitor morphological, structural, and chemical changes of obtained oxide coatings. It was found that chemical and phase compositions strongly depend on PEO time. Photoluminescence and photodegradation of methyl orange served as a tool to estimate potential application of Al2O3/ZnO coatings. Photoluminescence measurements showed that clearly observable bands inherent to Al2O3 and ZnO are present in formed coatings, pointing at oxygen vacancies as the main source of photoluminescence. Longer PEO processing times proved beneficial for enhanced photocatalytic activity.",
publisher = "Elsevier",
journal = "Surface and Coatings Technology",
title = "Synthesis and characterization of Al2O3/ZnO coatings formed by plasma electrolytic oxidation",
volume = "276",
pages = "573-579",
doi = "10.1016/j.surfcoat.2015.06.013"
}
Stojadinović, S. D.J., Tadić, N., Radić, N., Stojadinovic, B., Grbić, B.,& Vasilić, R.. (2015). Synthesis and characterization of Al2O3/ZnO coatings formed by plasma electrolytic oxidation. in Surface and Coatings Technology
Elsevier., 276, 573-579.
https://doi.org/10.1016/j.surfcoat.2015.06.013
Stojadinović SD, Tadić N, Radić N, Stojadinovic B, Grbić B, Vasilić R. Synthesis and characterization of Al2O3/ZnO coatings formed by plasma electrolytic oxidation. in Surface and Coatings Technology. 2015;276:573-579.
doi:10.1016/j.surfcoat.2015.06.013 .
Stojadinović, Stevan D.J., Tadić, Nenad, Radić, Nenad, Stojadinovic, B, Grbić, Boško, Vasilić, Rastko, "Synthesis and characterization of Al2O3/ZnO coatings formed by plasma electrolytic oxidation" in Surface and Coatings Technology, 276 (2015):573-579,
https://doi.org/10.1016/j.surfcoat.2015.06.013 . .

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