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Preparation and Thermoelectric Properties of Graphite/poly(3,4-ethyenedioxythiophene) Nanocomposites
Shanghai Inst Technol, Peoples R China.
Shanghai Inst Technol, Peoples R China.
Shanghai Inst Technol, Peoples R China.
Shanghai Inst Technol, Peoples R China.
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2018 (Engelska)Ingår i: Energies, ISSN 1996-1073, E-ISSN 1996-1073, Vol. 11, nr 10, artikel-id 2849Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Graphite/poly(3,4-ethyenedioxythiophene) (PEDOT) nanocomposites were prepared by an in-situ oxidative polymerization process. The electrical conductivity and Seebeck coefficient of the graphite/PEDOT nanocomposites with different content of graphite were measured in the temperature range from 300 K to 380 K. The results show that as the content of graphite increased from 0 to 37.2 wt %, the electrical conductivity of the nanocomposites increased sharply from 3.6 S/cm to 80.1 S/cm, while the Seebeck coefficient kept almost the same value (in the range between 12.0 V/K to 15.1 V/K) at 300 K, which lead to an increased power factor. The Seebeck coefficient of the nanocomposites increased from 300 K to 380 K, while the electrical conductivity did not substantially depend on the measurement temperature. As a result, a power factor of 3.2 Wm(-1) K-2 at 380 K was obtained for the nanocomposites with 37.2 wt % graphite.

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MDPI , 2018. Vol. 11, nr 10, artikel-id 2849
Nyckelord [en]
PEDOT; graphite; nanocomposites; thermoelectric properties
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Oorganisk kemi
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URN: urn:nbn:se:liu:diva-153187DOI: 10.3390/en11102849ISI: 000449293500357OAI: oai:DiVA.org:liu-153187DiVA, id: diva2:1267270
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Funding Agencies|National Natural Science Foundation of China [61504081, 61611530550]; Shanghai Innovation action plan project [17090503600]; Program for Professor of Special Appointment (Young Eastern Scholar Program) at Shanghai Institutions of Higher Learning [QD2015039]; Swedish Foundation for Strategic Research (SSF) through the Future Research Leaders 5 program; Knut and Alice Wallenberg Foundation; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University [2009 00971]

Tillgänglig från: 2018-11-30 Skapad: 2018-11-30 Senast uppdaterad: 2019-03-22

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