Surface topography of anodically treated glassy carbon electrodes

A. Firouzi, R. T. Atanasoski, W. H. Smyrl

Research output: Contribution to journalArticlepeer-review

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Flat-topped mesas are formed on glassy carbon surfaces as a result of electrochemical oxidative treatment in aqueous sodium hydroxide. The topography of the anodically exposed glassy carbon was followed by phase detection interferometric microscopy. The appearance and the distribution of the mesas were found to be related to the mode of electrochemical treatment. A threshold time, a function of applied voltage, and a threshold voltage for the formation of the mesas were found. In addition, the physical size and number of the structures increased with applied voltage.

Original languageEnglish (US)
Pages (from-to)369-380
Number of pages12
JournalJournal of Electroanalytical Chemistry
Issue number1-2
StatePublished - Jul 24 1992


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