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RESEARCH PRODUCT
XPS analysis of sol-gel-generated mixed-oxide layers for biomedical application
Karin Schenk-meuserV. BiehlHeinz DuschnerE. EisenbarthJ. BremeD. Veltensubject
Materials scienceAnalytical chemistryOxidechemistry.chemical_elementSurfaces and InterfacesGeneral ChemistryCondensed Matter PhysicsSurfaces Coatings and Filmschemistry.chemical_compoundAdsorptionX-ray photoelectron spectroscopyChemical engineeringchemistryMaterials ChemistryMixed oxideLayer (electronics)Sol-gelTitaniumProtein adsorptiondescription
The excellent biocompatibility of titanium and its alloys is associated with the properties of their dense TiO2 layer on the surface. The adsorption of proteins of the body fluid to implant surfaces depends on the properties of the surface oxide layer, especially the electronic structure. Therefore, tailoring of the oxide layer is a method for influencing protein adsorption. In this study, titanium platelets are coated by the sol–gel process with mixed oxides containing the biocompatible elements Ti, Nb, Zr and Ta. In order to verify the composition of the produced oxide layer, which can differ from the adjusted precursor composition in the sol because of different reactivities of the precursors, the layers were analysed with x-ray photoelectron spectroscopy by carrying out sputter profiles. It was proved that the composition of a mixed-oxide layer prepared by the sol–gel process can be tailored by the use of mixed precursors. Copyright © 2002 John Wiley & Sons, Ltd.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2002-01-01 | Surface and Interface Analysis |