Silver nanowire array-polymer composite as thermal interface material

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dc.contributor.authorXu, Ju
dc.contributor.authorMunari, Alessio
dc.contributor.authorDalton, Eric
dc.contributor.authorMathewson, Alan
dc.contributor.authorRazeeb, Kafil M.
dc.contributor.funderEnterprise Ireland
dc.contributor.funderScience Foundation Ireland
dc.date.accessioned2017-09-20T10:06:35Z
dc.date.available2017-09-20T10:06:35Z
dc.date.issued2009
dc.description.abstractSilver nanowire arrays embedded inside polycarbonate templates are investigated as a viable thermal interface material for electronic cooling applications. The composite shows an average thermal diffusivity value of 1.89x10(-5) m(2) s(-1), which resulted in an intrinsic thermal conductivity of 30.3 W m(-1) K(-1). The nanowires' protrusion from the film surface enables it to conform to the surface roughness to make a better thermal contact. This resulted in a 61% reduction in thermal impedance when compared with blank polymer. An similar to 30 nm Au film on the top of the composite was found to act as a heat spreader, reducing the thermal impedance further by 35%. A contact impedance model was employed to compare the contact impedance of aligned silver nanowire-polymer composites with that of aligned carbon nanotubes, which showed that the Young's modulus of the composite is the defining factor in the overall thermal impedance of these composites.en
dc.description.sponsorshipEnterprise Ireland [CFTD/2008/322]en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid124310
dc.identifier.citationXu, J., Munari, A., Dalton, E., Mathewson, A. and Razeeb, K. M. (2009) 'Silver nanowire array-polymer composite as thermal interface material', Journal of Applied Physics, 106(12), 124310 (7pp). doi: 10.1063/1.3271149en
dc.identifier.doi10.1063/1.3271149
dc.identifier.endpage7
dc.identifier.issn0021-8979
dc.identifier.issued12
dc.identifier.journaltitleJournal of Applied Physicsen
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/4748
dc.identifier.volume106
dc.language.isoenen
dc.publisherAIP Publishingen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Centre for Science Engineering and Technology (CSET)/03/CE3/I405/IE/CSET CTVR: Centre for Telecommunications Value Chain Driven Research (CTVR)/
dc.relation.urihttp://aip.scitation.org/doi/10.1063/1.3271149
dc.rights© 2009, American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in Xu, J., Munari, A., Dalton, E., Mathewson, A. and Razeeb, K. M. (2009) 'Silver nanowire array-polymer composite as thermal interface material', Journal of Applied Physics, 106(12), 124310 (7pp). doi: 10.1063/1.3271149 and may be found at http://aip.scitation.org/doi/10.1063/1.3271149en
dc.subjectCarbon nanotubesen
dc.subjectComposite material interfacesen
dc.subjectGolden
dc.subjectMetallic thin filmsen
dc.subjectNanocompositesen
dc.subjectNanowiresen
dc.subjectPolymersen
dc.subjectSilveren
dc.subjectSurface roughnessen
dc.subjectThermal conductivityen
dc.subjectThermal diffusivityen
dc.subjectYoung's modulusen
dc.titleSilver nanowire array-polymer composite as thermal interface materialen
dc.typeArticle (peer-reviewed)en
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