Direct dispersion of SWNTs in highly conductive solvent-enhanced PEDOT:PSS films

Poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS) is shown to be an effective dispersant for single-wall carbon nanotubes (SWNTs), enabling uniform aqueous suspensions to be obtained at weight loadings of up to 0.23 mg/ml (>1% by weight relative to PEDOT:PSS) without recourse to...

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Bibliographic Details
Published in:Nanocomposites 2016-07, Vol.2 (3), p.135-140
Main Authors: Beesley, David J., Price, B. K., Hunter, S., Shaffer, Milo S. P., de Mello, J. C
Format: Article
Language:English
Subjects:
dispersion
nanocomposite
PEDOT:PSS
single walled carbon nanotube
solvent annealing
transparent conducting film
transparent electrode
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Summary:Poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS) is shown to be an effective dispersant for single-wall carbon nanotubes (SWNTs), enabling uniform aqueous suspensions to be obtained at weight loadings of up to 0.23 mg/ml (>1% by weight relative to PEDOT:PSS) without recourse to additional surfactants. Thin films spin-coated from PEDOT:PSS/SWNT suspensions exhibited sheet resistances of 90 Ω/sq. at 80 % transmittance, slightly higher than equivalent films of pure PEDOT:PSS which exhibited sheet resistances of 70 Ω/sq. at the same transmittance.
ISSN:2055-0324
2055-0332
DOI:10.1080/20550324.2016.1237800