Complementary n-Type and p-Type Graphene Films for High Power Factor Thermoelectric Generators

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dc.contributor.authorNovak, Travis G.ko
dc.contributor.authorKim, Jinko
dc.contributor.authorKim, Jungmoko
dc.contributor.authorTiwari, Anand P.ko
dc.contributor.authorShin, Hosunko
dc.contributor.authorSong, Jae Yongko
dc.contributor.authorJeon, Seokwooko
dc.date.accessioned2021-03-26T02:54:15Z-
dc.date.available2021-03-26T02:54:15Z-
dc.date.created2020-06-08-
dc.date.created2020-06-08-
dc.date.issued2020-07-
dc.identifier.citationADVANCED FUNCTIONAL MATERIALS, v.30, no.28, pp.2001760-
dc.identifier.issn1616-301X-
dc.identifier.urihttp://hdl.handle.net/10203/281992-
dc.description.abstractSolution-phase exfoliated graphene has always been an attractive material for flexible thermoelectric applications, but traditional oxidative routes suffer from poor flake quality and a lack of quality doping techniques to make complementary n-type and p-type films. Here, it is demonstrated that by changing the adsorbed surfactant during the intercalation-exfoliation process (polyvinylpyrrolidone for n-type, pyrenebutyric acid for p-type), both extremely high electrical conductivity (3010 and 2330 S cm(-1)) and high Seebeck coefficients (53.1 and -45.5 mu V K-1) can be achieved. The result is that both of these films show remarkable power factors, over 600 mu W m(-1) K-2 at room temperature, which is over an order of magnitude better than that in previous works demonstrating complementary n-type and p-type graphene thermoelectric films. Based on these films, a full all-graphene thermoelectric device is constructed as a proof of concept, where a peak power of 5.0 nW is recorded at a temperature difference of 50 K.-
dc.languageEnglish-
dc.publisherWILEY-V C H VERLAG GMBH-
dc.titleComplementary n-Type and p-Type Graphene Films for High Power Factor Thermoelectric Generators-
dc.typeArticle-
dc.identifier.wosid000535020500001-
dc.identifier.scopusid2-s2.0-85085493236-
dc.type.rimsART-
dc.citation.volume30-
dc.citation.issue28-
dc.citation.beginningpage2001760-
dc.citation.publicationnameADVANCED FUNCTIONAL MATERIALS-
dc.identifier.doi10.1002/adfm.202001760-
dc.contributor.localauthorJeon, Seokwoo-
dc.contributor.nonIdAuthorShin, Hosun-
dc.contributor.nonIdAuthorSong, Jae Yong-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorflexible-
dc.subject.keywordAuthorgraphene-
dc.subject.keywordAuthorpower factor-
dc.subject.keywordAuthorthermoelectric-
dc.subject.keywordAuthorwaste heat-
dc.subject.keywordPlusWALLED CARBON NANOTUBES-
dc.subject.keywordPlusTHERMAL-CONDUCTIVITY-
dc.subject.keywordPlusOXIDE-
dc.subject.keywordPlusINTERCALATION-
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