Electrochemical properties of heat-treated platinized titanium

The physicochemical properties and electrochemical behavior of platinized titanium anodes produced by a combined electrochemical method, which involves electrodeposition of a thin platinum layer on a titanium substrate followed by heat treatment, are studied. The process is shown to result in the ap...

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Bibliographic Details
Published in:Protection of metals and physical chemistry of surfaces 2013-09, Vol.49 (5), p.559-566
Main Authors: Kasian, O. I., Luk’yanenko, T. V., Velichenko, A. B.
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Coatings
Corrosion and Coatings
Electrodes
Evolution
Heat treatment
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials
Materials Science
Metallic Materials
N-type semiconductors
New Substances
Platinum
Stripping
Thin films
Titanium
Tribology
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Summary:The physicochemical properties and electrochemical behavior of platinized titanium anodes produced by a combined electrochemical method, which involves electrodeposition of a thin platinum layer on a titanium substrate followed by heat treatment, are studied. The process is shown to result in the appearance of a composite coating with a substantial content of titanium oxides. The composite obtained is an n -type semiconductor, the flat-band potentials of which and the number of charge carriers depend on the preparation conditions. It is proposed to use the reduction peak of oxygen-containing platinum compounds on the stripping voltammogram as a correlation parameter for predicting the electrocatalytic activity of heat-treated Ti/Pt composite electrodes with respect to the oxygen evolution reaction.
ISSN:2070-2051
2070-206X
DOI:10.1134/S2070205113050043