Electrochemical synthesis of tetragonal oxide tungsten bronze nanofilms on platinum


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Abstract

We are the first to synthesize nanofilms of tetragonal oxide tungsten bronze (OTB) on a Pt(110) substrate by the electrolysis of the K2WO4–Na2WO4–WO3 melt at 700 and 750°C. The composition and the morphology of OTB are shown to depend on the deposition potential and the WO3 concentration in the melt. The laws of formation of tetragonal OTB films are discussed. The synthesized OTB samples are found to have a good thermal stability in the temperature range 20–800°C.

About the authors

A. V. Kosov

Institute of High-Temperature Electrochemistry, Ural Branch

Email: s.vakarin@ihte.uran.ru
Russian Federation, ul. S. Kovalevskaya 22/ul. Akademicheskaya 20, Yekaterinburg, 620137

O. L. Semerikova

Institute of High-Temperature Electrochemistry, Ural Branch

Email: s.vakarin@ihte.uran.ru
Russian Federation, ul. S. Kovalevskaya 22/ul. Akademicheskaya 20, Yekaterinburg, 620137

S. V. Vakarin

Institute of High-Temperature Electrochemistry, Ural Branch

Author for correspondence.
Email: s.vakarin@ihte.uran.ru
Russian Federation, ul. S. Kovalevskaya 22/ul. Akademicheskaya 20, Yekaterinburg, 620137

A. A. Pankratov

Institute of High-Temperature Electrochemistry, Ural Branch

Email: s.vakarin@ihte.uran.ru
Russian Federation, ul. S. Kovalevskaya 22/ul. Akademicheskaya 20, Yekaterinburg, 620137

S. V. Plaksin

Institute of High-Temperature Electrochemistry, Ural Branch

Email: s.vakarin@ihte.uran.ru
Russian Federation, ul. S. Kovalevskaya 22/ul. Akademicheskaya 20, Yekaterinburg, 620137

I. V. Korzun

Institute of High-Temperature Electrochemistry, Ural Branch

Email: s.vakarin@ihte.uran.ru
Russian Federation, ul. S. Kovalevskaya 22/ul. Akademicheskaya 20, Yekaterinburg, 620137

L. A. Akashev

Institute of Solid State Chemistry, Ural Branch

Email: s.vakarin@ihte.uran.ru
Russian Federation, ul. Pervomaiskaya 91, Yekaterinburg, 620990

Yu. P. Zaykov

Institute of High-Temperature Electrochemistry, Ural Branch

Email: s.vakarin@ihte.uran.ru
Russian Federation, ul. S. Kovalevskaya 22/ul. Akademicheskaya 20, Yekaterinburg, 620137


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