Self-seeded growth of germanium nanowires: coalescence and ostwald ripening

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dc.contributor.author Lotty, Olan
dc.contributor.author Hobbs, Richard
dc.contributor.author O'Regan, Colm
dc.contributor.author Hlina, Johann
dc.contributor.author Marschner, Christoph
dc.contributor.author O'Dwyer, Colm
dc.contributor.author Petkov, Nikolay
dc.contributor.author Holmes, Justin D.
dc.date.accessioned 2018-05-22T09:17:22Z
dc.date.available 2018-05-22T09:17:22Z
dc.date.issued 2012-12-20
dc.identifier.citation Lotty, O., Hobbs, R., O’Regan, C., Hlina, J., Marschner, C., O’Dwyer, C., Petkov, N. and Holmes, J. D. (2013) 'Self-Seeded Growth of Germanium Nanowires: Coalescence and Ostwald Ripening', Chemistry of Materials, 25(2), pp. 215-222. doi: 10.1021/cm3032863 en
dc.identifier.volume 25 en
dc.identifier.issued 2 en
dc.identifier.startpage 215 en
dc.identifier.endpage 222 en
dc.identifier.issn 0897-4756
dc.identifier.uri http://hdl.handle.net/10468/6168
dc.identifier.doi 10.1021/cm3032863
dc.description.abstract We report the controlled self-seeded growth of highly crystalline Ge nanowires, in the absence of conventional metal seed catalysts, using a variety of oligosilylgermane precursors and mixtures of germane and silane compounds (Ge:Si ratios between 1:4 and 1:1). The nanowires produced were encased in an amorphous shell of material derived from the precursors, which acted to isolate the Ge seed particles from which the nanowires were nucleated. The mode diameter and size distribution of the nanowires were found to increase as the growth temperature and Ge content in the precursors increased. Specifically, a model was developed to describe the main stages of self-seeded Ge nanowire growth (nucleation, coalescence, and Ostwald ripening) from the oligosilylgermane precursors and, in conjunction with TEM analysis, a mechanism of growth was proposed. en
dc.description.sponsorship Irish Research Council for Science, Engineering and Technology ((IRCSET, EMBARK scholarship) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Chemical Society (ACS) en
dc.relation.uri https://pubs.acs.org/doi/10.1021/cm3032863
dc.rights © 2012 American Chemical Society. This document is the Accepted Manuscript version of a Published Work that appeared in final form in Chemistry of Materials, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/cm3032863 en
dc.subject Germanium en
dc.subject Nanowires en
dc.subject Self-seeded en
dc.subject Coalescence en
dc.subject Ostwald ripening en
dc.title Self-seeded growth of germanium nanowires: coalescence and ostwald ripening en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Colm O'Dwyer, Chemistry, University College Cork, Cork, Ireland. +353-21-490-3000 Email: c.odwyer@ucc.ie en
dc.internal.availability Full text available en
dc.date.updated 2018-05-16T00:35:29Z
dc.description.version Accepted Version en
dc.internal.rssid 195732865
dc.contributor.funder Seventh Framework Programme en
dc.contributor.funder Irish Research Council for Science, Engineering and Technology en
dc.contributor.funder Science Foundation Ireland en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Chemistry of Materials en
dc.internal.copyrightchecked Yes en
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress c.odwyer@ucc.ie en
dc.relation.project info:eu-repo/grantAgreement/EC/FP7::SP1::ICT/257856/EU/Semiconducting Nanowire Platform for Autonomous Sensors/SINAPS en
dc.relation.project info:eu-repo/grantAgreement/SFI/SFI Centre for Science Engineering and Technology (CSET)/08/CE/I1432/IE/CSET CRANN: 2nd Term funding/ en
dc.relation.project info:eu-repo/grantAgreement/SFI/SFI Centre for Science Engineering and Technology (CSET) Supplement/08/CE/I1432s1/IE/CRANN supplement to promote industry engagement/ en


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