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Choi, YunSeok
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Metallic electrical transport of pf6-doped polypyrrole : Dc conductivity and thermoelectric power

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dc.contributor.authorLee, WPnull
dc.contributor.authorPark, YWnull
dc.contributor.authorChoi, YunSeoknull
dc.date.accessioned2018-07-05T09:29:07Z-
dc.date.available2018-07-05T09:29:07Z-
dc.date.created2018-07-05null
dc.date.issued199701null
dc.identifier.citationSYNTHETIC METALS, v.84, no.1-3, pp.841 - 842null
dc.identifier.issn0379-6779null
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S0379677996041744null
dc.identifier.urihttp://scholarworks.unist.ac.kr/handle/201301/24305-
dc.description.abstractWe have measured the temperature dependence of conductivity and thermoelectric power of PF6-doped polypyrrole. The sample was electrochemically synthesized at −40 °C. The temperature coefficient of the conductivity changes the sign at T = 17 K where the conductivity becomes minimum. Thermoelectric power (TEP) measurement shows linear temperature dependence from room temperature down to 50 K characteristic to that of broad band metals, but a positive hump below 50 K is observed. Possibilities of the phonon drag effect due to the better crystallinity of the sample and/or the electron-phonon interaction in a disordered metallic state are discussed to understand the positive hump of TEP.null
dc.languageENGnull
dc.publisherELSEVIER SCIENCE SAnull
dc.subjectConductivitynull
dc.subject Thermopowernull
dc.subject Polypyrrole and derivativesnull
dc.titleMetallic electrical transport of pf6-doped polypyrrole : Dc conductivity and thermoelectric powernull
dc.typeARTICLEnull
dc.identifier.pid3696null
dc.identifier.rimsid30499null
dc.identifier.wosidA1997WW43100351null
dc.type.rimsAnull
dc.identifier.doi10.1016/S0379-6779(96)04174-4null
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