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Article: An effective dual-solvent treatment for improving the thermoelectric property of PEDOT:PSS with white graphene

TitleAn effective dual-solvent treatment for improving the thermoelectric property of PEDOT:PSS with white graphene
Authors
Issue Date2017
Citation
Journal of Materials Science, 2017, v. 52, n. 16, p. 9806-9818 How to Cite?
AbstractAn effective strategy combining dual-solvent treatment and composite has been proposed to improve the thermoelectric property of poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS). Firstly, a composite method with two-dimensional (2D) boron nitride nanosheets (BNNSs), also known as white graphene, was first proposed to improve the Seebeck coefficient of PEDOT:PSS thin film based on an energy filtering effect at the conjunctions. BNNSs were obtained by a facile liquid exfoliation method. Further, a dual-solvent treatment incorporating N,N-dimethylformamide (DMF) and dimethyl sulfoxide (DMSO) was performed to optimize the electrical conductivity of PEDOT:PSS/BNNSs hybrid thin films. On the one hand, DMF as first treatment can effectively remove part of the redundant non-conductive PSS leading to an increased electrical conductivity. On the other hand, DMSO as second treatment induced a transformation of PEDOT from benzoid to quinoid structure, resulting in a further enhanced electrical conductivity without a reduction in Seebeck coefficient for PEDOT:PSS/BNNSs. Eventually, a remarkable improvement in thermoelectric power factor was achieved to be 100.1 μW m−1 K−2 and a large figure of merit (ZT) was estimated to be 0.12 for PEDOT:PSS/BNNSs5 hybrid thin film at room temperature.
Persistent Identifierhttp://hdl.handle.net/10722/335806
ISSN
2023 Impact Factor: 3.5
2023 SCImago Journal Rankings: 0.781
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWang, Xiaodong-
dc.contributor.authorMeng, Fanling-
dc.contributor.authorTang, Haitong-
dc.contributor.authorGao, Zhongmin-
dc.contributor.authorLi, Si-
dc.contributor.authorJiang, Fengxing-
dc.contributor.authorXu, Jingkun-
dc.date.accessioned2023-12-28T08:48:53Z-
dc.date.available2023-12-28T08:48:53Z-
dc.date.issued2017-
dc.identifier.citationJournal of Materials Science, 2017, v. 52, n. 16, p. 9806-9818-
dc.identifier.issn0022-2461-
dc.identifier.urihttp://hdl.handle.net/10722/335806-
dc.description.abstractAn effective strategy combining dual-solvent treatment and composite has been proposed to improve the thermoelectric property of poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS). Firstly, a composite method with two-dimensional (2D) boron nitride nanosheets (BNNSs), also known as white graphene, was first proposed to improve the Seebeck coefficient of PEDOT:PSS thin film based on an energy filtering effect at the conjunctions. BNNSs were obtained by a facile liquid exfoliation method. Further, a dual-solvent treatment incorporating N,N-dimethylformamide (DMF) and dimethyl sulfoxide (DMSO) was performed to optimize the electrical conductivity of PEDOT:PSS/BNNSs hybrid thin films. On the one hand, DMF as first treatment can effectively remove part of the redundant non-conductive PSS leading to an increased electrical conductivity. On the other hand, DMSO as second treatment induced a transformation of PEDOT from benzoid to quinoid structure, resulting in a further enhanced electrical conductivity without a reduction in Seebeck coefficient for PEDOT:PSS/BNNSs. Eventually, a remarkable improvement in thermoelectric power factor was achieved to be 100.1 μW m−1 K−2 and a large figure of merit (ZT) was estimated to be 0.12 for PEDOT:PSS/BNNSs5 hybrid thin film at room temperature.-
dc.languageeng-
dc.relation.ispartofJournal of Materials Science-
dc.titleAn effective dual-solvent treatment for improving the thermoelectric property of PEDOT:PSS with white graphene-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s10853-017-1166-7-
dc.identifier.scopuseid_2-s2.0-85019112403-
dc.identifier.volume52-
dc.identifier.issue16-
dc.identifier.spage9806-
dc.identifier.epage9818-
dc.identifier.eissn1573-4803-
dc.identifier.isiWOS:000402560600049-

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