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Primary oxidation of Au electrode in weakly acidic solutions of surface-inactive electrolyte as evidenced by the potential shifts induced by laser heating and traditional electrochemical methodsстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
- Авторы: Safonov V.A., Choba M.A., Krivenko A.G., Manzhos R.A., Maksimov Yu M.
- Журнал: Electrochimica Acta
- Том: 61
- Номер: 1
- Год издания: 2012
- Издательство: Elsevier BV
- Местоположение издательства: Netherlands
- Первая страница: 140
- Последняя страница: 147
- DOI: 10.1016/j.electacta.2011.11.102
- Аннотация: The behavior of the Au electrode surface renewed by mechanical cutting in a solution of a surface-inactive electrolyte (NaF) is studied in the potential range of ideal polarizability by cyclic voltammetry and impedance method. The results of these studies are analyzed together with the data on the potential shifts induced by laser heating. It is shown that the time effects observed in the course of measurements on the Au electrode in the potential range positive with respect to the zero-charge potential characterize the primary process of metal surface oxidation (the appearance on the surface of oxygen-containing particles under these conditions). The qualitative interpretation of the time effects observed on the Au electrode involves the use of a phenomenological model of oxygen chemisorption with the partial (or complete) charge transfer to the metal, which was proposed earlier for describing similar dependences on the Ag electrode in the range of positive surface charges.
- Добавил в систему: Чоба Мария Алексеевна