Composition, structure, and photocatalytic properties of Fe-containing oxide layers on titanium

The composition, optoelectronic properties, and surface and cross-section morphology of coatings formed by the method of plasma electrolytic oxidation in electrolytes containing sodium phosphate or silicate with or without addition of K 3 [Fe(CN) 6 ] have been investigated. The coatings were studied...

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Bibliographic Details
Published in:Protection of metals and physical chemistry of surfaces 2017-09, Vol.53 (5), p.879-888
Main Authors: Vasilyeva, M. S., Rudnev, V. S., Sergeev, A. A., Sergeeva, K. A., Nepomnyaschiy, A. V., Ustinov, A. Yu, Zvereva, A. A., Kilin, K. N., Voznesenskiy, S. S.
Format: Article
Language:English
Subjects:
Catalytic activity
Characterization and Evaluation of Materials
Chemistry and Materials Science
Coatings
Corrosion and Coatings
Degradation
Electron microscopy
Hydrogen peroxide
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Iron
Materials
Materials Science
Metallic Materials
New Substances
Optoelectronics
Oxidation
Oxide coatings
Phenols
Photocatalysis
Photoelectron spectroscopy
Sodium phosphate
Spectrophotometry
Titanium
Tribology
X-rays
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Summary:The composition, optoelectronic properties, and surface and cross-section morphology of coatings formed by the method of plasma electrolytic oxidation in electrolytes containing sodium phosphate or silicate with or without addition of K 3 [Fe(CN) 6 ] have been investigated. The coatings were studied by the methods of spectrophotometry, X-ray diffraction analysis, electron microscopy, and X-ray photoelectron spectroscopy. The photocatalytic activity of oxide coatings was studied in the reaction of phenol degradation under ultraviolet irradiation in the presence of hydrogen peroxide. The highest photocatalytic activity in the reaction of phenol degradation in the presence of hydrogen peroxide was manifested by Fe-containing coatings formed in the silicate electrolyte with addition of 8.0 g/L of K 3 [Fe(CN) 6 ].
ISSN:2070-2051
2070-206X
DOI:10.1134/S2070205117050252