Effect of Electrode Material on Electrodeposition of Tungsten Oxide


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Influence exerted by the nature of an electrode-substrate on the electrochemical deposition of tungsten oxides from a metastable acid solution of isopolytungstate was studied. As substrates for obtaining tungsten oxide deposits served metallic electrodes made of gold and platinum, films of mixed indium-tin oxide on glass (ITO-electrodes) and also glassy carbon electrodes and glassy carbon electrodes coated with films of conducting polymers: polyaniline, polypyrrole, and poly-3,4-ethylenedioxythiophene. It was shown that the nature of a substrate noticeably affects the electrochemical properties of tungsten oxide deposits. These differences are attributed to the adsorption of hydrogen on platinum in the range of the deposition potentials of tungsten oxide and to the chemical interaction of polytungstate ions with the thiophene sulfur of the polymer.

作者简介

D. Zhuzhel’skii

St. Petersburg State University

编辑信件的主要联系方式.
Email: dmitry@volta.spb.ru
俄罗斯联邦, St. Petersburg, 199034

E. Tolstopyatova

St. Petersburg State University

Email: dmitry@volta.spb.ru
俄罗斯联邦, St. Petersburg, 199034

N. Kondrat’eva

Institute of Refrigeration and Biotechnologies

Email: dmitry@volta.spb.ru
俄罗斯联邦, St. Petersburg, 191002

S. Eliseeva

St. Petersburg State University

Email: dmitry@volta.spb.ru
俄罗斯联邦, St. Petersburg, 199034

V. Kondrat’ev

St. Petersburg State University

Email: dmitry@volta.spb.ru
俄罗斯联邦, St. Petersburg, 199034

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