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Anodic Iridium Oxide Films: XPS‐Studies of Oxidation State Changes and

Year: 1984

Type: article

Abstract: The anodic oxidation of iridium and evolution on iridium oxide films in has been investigated using x‐ray photoelectron spectroscopy. The binding energy of the O 1s level decreases with anodic polarization of the electrode while the relative amount of oxygen compared to iridium remains constant. The XPS results are consistent with a model of subsequent deprotonation of the anodic iridium oxide upon anodic polarization. A reaction path for evolution and corrosion on iridium oxide is proposed. Valence band spectra of the oxide surfaces confirm the proposed model.

Source: Journal of The Electrochemical Society

DOI: 10.1149/1.2115548

Authors: R. Kötz, H. Neff, S. Stucki

Language: English

Topic: Electron and X-Ray Spectroscopy Techniques

Subfield: Surfaces, Coatings and Films

Field: Materials Science

Domain: Physical Sciences

Open Access status: bronze

OpenAlex ID: W1563260673

FWCI: 3.826

Cites:

Cited by: 411

Related to: 10