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Thermoelectric enhancement in multilayer thin-films of tin chalcogenide nanosheets/conductive polymers

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dc.contributor.authorJu, Hyun-
dc.contributor.authorPark, Dabin-
dc.contributor.authorKim, Jooheon-
dc.date.available2019-10-21T07:41:11Z-
dc.date.issued2019-09-14-
dc.identifier.issn2040-3364-
dc.identifier.issn2040-3372-
dc.identifier.urihttps://scholarworks.bwise.kr/cau/handle/2019.sw.cau/36841-
dc.description.abstractTe-Substituted SnSe nanosheets (Te-s-SnSe NSs) with a lateral size of similar to 500 nm are fabricated and their surfaces are then coated with a poly(3,4-ethylenedioxythiophene) PEDOT nanolayer. The 3,4-ethylenedioxythiophene loading is optimized for achieving outstanding thermoelectric performance and the resulting PEDOT-coated nanosheets (PEDOT-Te-s-SnSe NSs) are alternately stacked with PEDOT:poly(styrenesulfonate) (PSS) using a solution-processable method to obtain multilayer inorganic/organic composite films. The as-fabricated multilayer films exhibit outstanding electrical conductivity and Seebeck coefficient. This is due to the enhanced interchain interaction and charge-carrier hopping of the stretched PEDOT chains as well as the presumable energy-filtering effect at the interfacial potential barriers between inorganic and organic layers. The multilayer film consisting of three-repeated stacking allows a maximum thermoelectric power factor of 222 mu W m(-1) K-2, which is 5.5 times larger than that achieved with pristine PEDOT:PSS. This strategy of combining inorganic and organic materials into multilayer films is promising for the achievement of high-performance thin-film thermoelectrics.-
dc.format.extent8-
dc.language영어-
dc.language.isoENG-
dc.publisherROYAL SOC CHEMISTRY-
dc.titleThermoelectric enhancement in multilayer thin-films of tin chalcogenide nanosheets/conductive polymers-
dc.typeArticle-
dc.identifier.doi10.1039/c9nr04712c-
dc.identifier.bibliographicCitationNANOSCALE, v.11, no.34, pp 16114 - 16121-
dc.description.isOpenAccessN-
dc.identifier.wosid000483691300035-
dc.identifier.scopusid2-s2.0-85071713679-
dc.citation.endPage16121-
dc.citation.number34-
dc.citation.startPage16114-
dc.citation.titleNANOSCALE-
dc.citation.volume11-
dc.type.docTypeArticle-
dc.publisher.location영국-
dc.subject.keywordPlusPERFORMANCE-
dc.subject.keywordPlusFIGURE-
dc.subject.keywordPlusHETEROSTRUCTURE-
dc.subject.keywordPlusNANOCOMPOSITES-
dc.subject.keywordPlusCONDUCTIVITY-
dc.subject.keywordPlusMERIT-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalResearchAreaPhysics-
dc.relation.journalWebOfScienceCategoryChemistry, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryPhysics, Applied-
dc.description.journalRegisteredClasssci-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
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