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Decrease in thermal conductivity in polymeric P3HT nanowires by size-reduction induced by crystal orientation: new approaches towards thermal transport engineering of organic materials

hal.structure.identifierInstituto de Microelectronica de Madrid [IMM]
dc.contributor.authorMUÑOZ ROJO, Miguel
hal.structure.identifierInstituto de Microelectronica de Madrid [IMM]
dc.contributor.authorMART'IN, Jaime
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorGRAUBY, Stéphane
hal.structure.identifierRensselaer Polytechnic Institute [RPI]
dc.contributor.authorBORCA-TASCIUC, Theodorian
hal.structure.identifierLaboratoire Ondes et Matière d'Aquitaine [LOMA]
dc.contributor.authorDILHAIRE, Stefan
hal.structure.identifierInstituto de Microelectronica de Madrid [IMM]
dc.contributor.authorMARTIN-GONZALEZ, Marisol
dc.date.created2014-01-07
dc.date.issued2014-06-26
dc.identifier.issn2040-3364
dc.description.abstractEnTo date, there is no experimental characterization of thermal conductivity of semiconductor polymeric individual nanowires embedded in a matrix. This work reports on scanning thermal microscopy measurements in a 3ω configuration to determine how the thermal conductivity of individual nanowires made of a model conjugated polymer (P3HT) is modified when decreasing their diameters. We observe a reduction of thermal conductivity, from λNW = 2.29 ± 0.15 W K−1 m−1 to λNW = 0.5 ± 0.24 W K−1 m−1, when the diameter of nanowires is reduced from 350 nm to 120 nm, which correlates with the polymer crystal orientation measured by WAXS. Through this work, the foundations for future polymer thermal transport engineering are presented.
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.rights.urihttp://creativecommons.org/licenses/by-sa/
dc.title.enDecrease in thermal conductivity in polymeric P3HT nanowires by size-reduction induced by crystal orientation: new approaches towards thermal transport engineering of organic materials
dc.typeArticle de revue
dc.identifier.doi10.1039/C4NR00107A
dc.subject.halPhysique [physics]/Physique [physics]/Optique [physics.optics]
dc.description.sponsorshipEuropeNano-engineered high performance Thermoelectric Energy Conversion devices
bordeaux.journalNanoscale
bordeaux.page7858-7865
bordeaux.volume6
bordeaux.issue14
bordeaux.peerReviewedoui
hal.identifierhal-01025464
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01025464v1
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