2012
DOI: 10.1002/polb.23186
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Thermoelectric behavior of organic thin film nanocomposites

Abstract: Organic thin film nanocomposites, prepared by liquid‐phase exfoliation, were investigated for their superior electrical properties and thermoelectric behavior. Single‐walled carbon nanotubes (SWNT) were stabilized by intrinsically conductive poly(3,4‐ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) in an aqueous solution. The electrical conductivity (σ) was found to increase linearly as 20 to 95 wt % SWNT. At 95 wt % SWNT, these thin films exhibit metallic electrical conductivity (∼4.0 × 105 S m−1) … Show more

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Cited by 123 publications
(72 citation statements)
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References 62 publications
(25 reference statements)
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“…Their use can result in polymer composites with electrical conductivities up to 4×10 5 S/m as reported by Moriarty et al [22]. Relatively high filler loadings (>> 50 wt.%) can be realized [16], which result in quite high electrical conductivities [19,20,[23][24][25], while power factors being in the range of ~140 μW/mK -2 have been reported for single-walled carbon nanotubes (SWCNTs) in poly (3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) matrix [22]. However, such high filler loadings may result also in a significant increase of thermal conductivity [15,26,27].…”
Section: Introductionmentioning
confidence: 79%
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“…Their use can result in polymer composites with electrical conductivities up to 4×10 5 S/m as reported by Moriarty et al [22]. Relatively high filler loadings (>> 50 wt.%) can be realized [16], which result in quite high electrical conductivities [19,20,[23][24][25], while power factors being in the range of ~140 μW/mK -2 have been reported for single-walled carbon nanotubes (SWCNTs) in poly (3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) matrix [22]. However, such high filler loadings may result also in a significant increase of thermal conductivity [15,26,27].…”
Section: Introductionmentioning
confidence: 79%
“…In almost all of the corresponding studies, polymer/CNT nanocomposites have been fabricated by means of solution mixing techniques which are known to be not easy in terms of up-scaling. One often reported approach for thermoelectric CNT polymer nanocomposites is using electrically conductive matrix polymers, such as polyaniline (PANI) [19][20][21][22], polythiophene (PT), and PEDOT as the matrix [22,23]. Their use can result in polymer composites with electrical conductivities up to 4×10 5 S/m as reported by Moriarty et al [22].…”
Section: Introductionmentioning
confidence: 83%
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“…Specifically, 30-40 wt% (weight percent) CNT is required to enhance the TE property of PVAc/DWCNT/TCPP [204] PANI/MWCNT(c) [186] P3HT:SWCNT(a) [199] PVAc/SWCNT(a) [127] PANI/MWCNT(d) [187] P3HT: MWCNT [200] PVAc/SWCNT(b) [206] PEDOT:PSS/SWCNT/GA [205] P3HT:SWCNT(b) [215] Nafion/FWCNT [179] PEDOT:PSS/SWCNT/PVAc [172] P3HT:SWCNT(c) [211] PANI/SWCNT(a) [182] PEDOT:PSS/SWCNT [190] PANI/graphene/PANI/DWCNT [202] PANI/SWCNT(b) [208] PEDOT:PSS/DWCNT/TCPP [191] PANI/SWCNT(c) [214] PEDOT:PSS/SWCNT [192] PANI/graphne/PANI/DWCN-PEDOT:PSS [203] PANI/SWCNT(d) [212] PEDOT:PSS/graphene/MWCNT [211] PANI/SWCNT/Te [183] PEI-DWCNT/PVP-graphene [221] PANI/DWCNT [188] PEDOT:PSS/DWCNT [193] PEI/SWCNT/PEI [220] PANI/MWCNT(a) [184] PPy/MWCNT [195] PEI/SWCNT/NaBH [219] 4 PANI/MWCNT(b) [185] PPy/SWCNT [196] PEI:DWNT:graphene [221] p-type n-type PEDOT:PSS, while only 2 wt% graphene can increase the ZT of PEDOT:PSS by 10 times. Strong -bonding that facilitates the dispersion was observed in graphene-embedded PEDOT:PSS thin films.…”
Section: Carbon Material-polymer Compositesmentioning
confidence: 99%
“…PEDOT/PSS Grafén 32 59 0,14 11,09 0,021 [107] PEDOT/PSS SWCNT 400 27 0,4 26 0,02 [108] PEDOT/PSS SWCNT 4000 20 0,4-0,7 140 0,06 [109] P3HT MWCNT 0,11 11,3 -0,0014 - [110] P3HT [115] Számos munka során vizsgálták egyfalú vagy többfalú szén nanocsöveket vagy grafént a vezetőpolimer-mátrixban véletlenszerűen eloszlatva tartalmazó kompozitok termoelektromos tulajdonságait. [60,[107][108][109][110][111][112][113][114][115] A vezető polimerek és különböző szénmódosulatok alkotta kompozitokra közölt eredmények közül néhány jellemző értéket a 4. táblázatban mutatok be. A szakirodalmi eredmények alapján elmondható, hogy ezekben a kompozitokban a vezető polimer ugyan nagy hatással van a hővezetésre, jelentősen csökkenti azt, a Seebeckegyüttható egyik esetben sem vesz fel nagy értéket annak ellenére, hogy a polimerek redukált állapotban vannak.…”
Section: Szén Nanocső/vezetőpolimer-kompozitokunclassified