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Photoelectrocatalytic Oxidation of Urea on a Photoanode Made of Titanium Dioxide Nanotubesстатья
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 4 марта 2026 г.
- Авторы: Grinberg V.A., Emets V.V., Averin A.A., Maiorova N.A.
- Журнал: Protection of Metals and Physical Chemistry of Surfaces
- Том: 61
- Номер: 5
- Год издания: 2025
- Издательство: Pleiades Publishing, Ltd
- Местоположение издательства: Road Town, United Kingdom
- Первая страница: 1051
- Последняя страница: 1058
- Оригинальные версии: Фотоэлектрокаталитическое окисление мочевины на фотоаноде из нанотрубок диоксида титана
- DOI: 10.1134/S2070205125700923
- Аннотация: Titanium dioxide nanotube photoanodes (TNT/Ti) were fabricated by anodizing titanium foil at 60 V in an ethylene glycol-based electrolyte using a two-step process that included intermediate removal of the amorphous coating and subsequent annealing at 450 °C. Anatase-form TNTs have a length of 20-22 μm, an average diameter of 90-100 nm, and a wall thickness of 20 nm. The activity of the resulting photoanode in the photoelectrocatalytic oxidation of urea in aqueous solutions of 0.1 M KOH and 0.9% NaCl was studied. A scheme for the parallel oxidation of urea with hypochlorite formed during the photoelectrooxidation of chloride ions is proposed. It was found that the overpotential for the photoelectrooxidation of urea on TNT/Ti in neutral chloride and alkaline solutions is 0.6 V lower than that for electrochemical oxidation on a platinum electrode. The TNT/Ti photoanode is shown to provide efficient photoelectrooxidation of urea, including from solutions with low urea concentrations, which is an advantage over electrooxidation on a Pt electrode.
- Добавил в систему: Гринберг Виталий Аркадьевич