Ammonia borane oxidation at gold microelectrodes in alkaline solutions

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dc.contributor.authorNagle, Lorraine C.
dc.contributor.authorRohan, James F.
dc.contributor.funderIrish Research Council for Science, Engineering and Technologyen
dc.date.accessioned2017-02-28T16:09:52Z
dc.date.available2017-02-28T16:09:52Z
dc.date.issued2006-09-11
dc.date.updated2017-02-28T16:05:47Z
dc.description.abstractBorane-based electroless plating baths are of interest in many microelectronics applications such as barrier and capping layers for copper integrated circuit interconnect. To optimize the plating baths a thorough understanding of the role of the bath constituents is required. To this end we have employed microelectrodes to investigate the oxidation mechanism of boranes in alkaline solutions. In this paper we present data for the simpler ammonia borane (AB) oxidation and compare it with the previous analysis of dimethylamine borane (DMAB) oxidation. Both AB and DMAB are shown to oxidize in two steady-state mass transport-controlled oxidation waves for specific concentration ranges. Particular emphasis is placed on the analysis of the second oxidation wave observed at less negative potentials and the differences observed in the analysis of AB and DMAB in this potential region. The potential range for oxidation, the optimum concentration, and a suggested mechanism for oxidation are shown.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationNagle, L. C. and Rohan, J. F. (2006) 'Ammonia Borane Oxidation at Gold Microelectrodes in Alkaline Solutions', Journal of The Electrochemical Society, 153(11), pp. C773-C776. doi:10.1149/1.2344842en
dc.identifier.doi10.1149/1.2344842
dc.identifier.endpageC776en
dc.identifier.issn0013-4651
dc.identifier.journaltitleJournal of the Electrochemical Societyen
dc.identifier.startpageC773en
dc.identifier.urihttps://hdl.handle.net/10468/3710
dc.identifier.volume153en
dc.language.isoenen
dc.publisherElectrochemical Societyen
dc.rights© 2006 The Electrochemical Society. All rights reserved.en
dc.subjectGolden
dc.subjectMicroelectrodesen
dc.subjectElectrochemicalen
dc.subjectElectrodes oxidationen
dc.titleAmmonia borane oxidation at gold microelectrodes in alkaline solutionsen
dc.typeArticle (peer-reviewed)en
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