Surface study of a titanium-based ceramic electrode material by X-ray photoelectron spectroscopy
- 639 Downloads
The electrochemical behaviours of the Magneli phase titanium oxides with the general formula TixO2x-1 have been investigated. Surface analysis of these ceramic materials was performed using X-ray photoelectron spectroscopy in order to determine the surface composition. It was shown that the surface layers contain mainly TiIV. When these materials are used as an anode for oxygen evolution, in sulfuric acid, the XPS spectrum shows considerable modification in the O1s region, due to an important contribution of hydroxyl groups and the adsorption of sulfate anions.
KeywordsOxygen Evolution Ceramic Sample High Resolution Spectrum Titanium Foil Titanium Electrode
Unable to display preview. Download preview PDF.
- 3.M. ZWEYNERT, H. DÖRING, J. GARCHE, R. A. HUGGINS and W. WITSCHEL, I. S. E. 4th Meeting, Berlin, abstracts (1993) 650.Google Scholar
- 4.R. L. CLARKE and S. K. HARNSBERGER, Amer. Lab. 20 (1988) 6.Google Scholar
- 5.R. CLARKE and R. PARDOE in “Electrochemistry for a cleaner environment”, edited by D. Genders and N. Weinberg (Electrosynthesis, East Amherst NY, 1992) p. 349.Google Scholar
- 6.J. POUILLEAU, PhD thesis, University Pierre and Marie Curie, Paris, 1996.Google Scholar
- 10.C. D. WAGNER, W. M. RIGGS, L. E. DAVIS, J. F. MOULDERS and G. E. MULLENBERG, in “Handbook of X-ray photoelectron spectroscopy”, edited by G. E. Mullenberg (Perkin-Elmer Corporation, Eden Prairie, MN, 1979).Google Scholar
- 13.H. O. FINKLEA, in “Semiconductor electrodes”, edited by H. O. Finklea (Elsevier, Amsterdam, 1988).Google Scholar