Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/43826
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dc.contributor.authorLin, C.M.en_US
dc.contributor.author顏秀崗zh_TW
dc.contributor.authorYen, S.K.en_US
dc.date2004zh_TW
dc.date.accessioned2014-06-06T08:11:34Z-
dc.date.available2014-06-06T08:11:34Z-
dc.identifier.issn0013-4651zh_TW
dc.identifier.urihttp://hdl.handle.net/11455/43826-
dc.description.abstractThe cathodic reactions of electrolytic nanocrystalline TiO2 coating on pure titanium were investigated by polarization tests in TiCl4 alcoholic and HCl aqueous solutions, respectively. Three major reactions which belong to various applied voltage ranges were identified: (i) O-2 + 4H(+) + 4e(-) --> 2H(2)O, from -0.1 to -0.3 V (Ag/AgCl), (ii) 2H(+) + 2e(-) --> H-2, from -0.3 to -0.9 V, and (iii) 2H(2)O + 2e(-) --> H-2 + 2OH(-), from -0.9 to -2.5 V. Excellent deposition was located at the third stage, because H+ ions were depleted and many more OH- ions were provided to form TiO(OH)(2).H2O on the cathodic surface. The coated films were further characterized by thermogravimetric differential thermal analysis, X-ray diffraction, X-ray photoelectron spectrometer, scanning electron microscopy, atomic force microscopy, dynamic cyclic polarization, and cell bioactivity assay. After being annealed at 300degreesC for 1 h, the coated films were further condensed into anatase TiO2, and gradually transformed into rutile TiO2 at 500degreesC. From cross section, the TiO2 coated film similar to1.2 mum thick revealed excellent adhesion with substrate. Compared with thermally grown oxide TiO2 film, much better bioactivity and more corrosion resistance were found on the electrolytic TiO2 coated specimens. (C) 2004 The Electrochemical Society.en_US
dc.language.isoen_USzh_TW
dc.relationJournal of the Electrochemical Societyen_US
dc.relation.ispartofseriesJournal of the Electrochemical Society, Volume 151, Issue 12, Page(s) D127-D133.en_US
dc.relation.urihttp://dx.doi.org/10.1149/1.1813751en_US
dc.subjecttitanium-oxide filmsen_US
dc.subjectdioxide thin-filmsen_US
dc.subjectdepositionen_US
dc.subjectimplantsen_US
dc.subjectcellsen_US
dc.titleCharacterization of electrolytic TiO2 coating on Ti for biomedical applicationsen_US
dc.typeJournal Articlezh_TW
dc.identifier.doi10.1149/1.1813751zh_TW
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.languageiso639-1en_US-
item.grantfulltextnone-
item.cerifentitytypePublications-
item.openairetypeJournal Article-
item.fulltextno fulltext-
Appears in Collections:材料科學與工程學系
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