Porous alumina thin films on conductive substrates for templated 1-dimensional nanostructuring

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dc.contributor.authorHolubowitch, Nicolas E.
dc.contributor.authorNagle, Lorraine C.
dc.contributor.authorRohan, James F.
dc.contributor.funderHigher Education Authorityen
dc.date.accessioned2013-04-22T10:46:43Z
dc.date.available2013-04-22T10:46:43Z
dc.date.issued2012-05-28
dc.date.updated2013-04-11T14:18:14Z
dc.description.abstractThe growth of thin porous anodic aluminum oxide (AAO) films on silicon by anodizing Al on Ti/Au/Si and Ti/Pt/Si substrates in oxalic acid was demonstrated. Removal of the Al2O3 barrier layer was effected by selective chemical etching in H3PO4 and a reversed bias method in the anodizing solution. Ion transport and the influence of the Ti adhesion layer at the oxide–metal interface during the critical stages of anodization and pore opening were investigated. The AAO films may be exploited as templates in the creation of silicon-integrated nanostructured wire arrays. Electrodeposition of Pt into the AAO template yielded a nanowire array with superior methanol oxidation activity that can be integrated in a micro direct methanol fuel cell.en
dc.description.sponsorshipEnterprise Ireland (CFTD/07/325); Higher Education Authority (PRTLI4)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHolubowitch, N.,Nagle, L. C.,Rohan, J. F. (2012) 'Porous alumina thin films on conductive substrates for templated 1-dimensional nanostructuring'. Solid State Ionics, 216 :110-113. doi: http://dx.doi.org/10.1016/j.ssi.2012.03.016en
dc.identifier.doi10.1016/j.ssi.2012.03.016
dc.identifier.endpage113en
dc.identifier.issn0167-2738
dc.identifier.journaltitleSolid State Ionicsen
dc.identifier.startpage110en
dc.identifier.urihttps://hdl.handle.net/10468/1073
dc.identifier.volume216en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.ispartofFuel Cells-Energy Conversion" Proceedings of Symposium X EMRS Spring Meeting 2011 — E-MRS / MRS BILATERAL CONFERENCE on ENERGY,"Held at the E-MRS 2011 SPRING MEETING IUMRS ICAM 2011
dc.relation.urihttp://www.sciencedirect.com/science/article/pii/S0167273812001865
dc.rightsCopyright © 2012 Elsevier B.V. All rights reserved. NOTICE: this is the author’s version of a work that was accepted for publication in Solid State Ionics. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Solid State Ionics, [Volume 216, 28 May 2012] DOI: http://dx.doi.org/10.1016/j.ijhydene.2010.09.077en
dc.subjectAAO templateen
dc.subjectBarrier layeren
dc.subjectTi adhesion layeren
dc.subjectSi integrationen
dc.subjectPt nanowire arrayen
dc.subjectDMFCen
dc.titlePorous alumina thin films on conductive substrates for templated 1-dimensional nanostructuringen
dc.typeArticle (peer-reviewed)en
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