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Preparation of PEDOT:PSS thin films doped with graphene and graphene quantum dots

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2014
Authors
Kepić, Dejan P.
Marković, Zoran M.
Jovanović, Svetlana P.
Perusko, Davor
Budimir, Milica D.
Holclajtner-Antunović, Ivanka
Pavlović, Vladimir
Todorović-Marković, Biljana
Article (Published version)
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Abstract
Enhanced conductivity, transparency and stability are the most important factors to consider in order to prepare electrodes for optoelectronic devices. In this paper, we investigated the properties of poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) films doped with graphene and graphene quantum dots. Samples were deposited by spin-coating onto glass substrates. Thin films were characterized by UV-vis and Raman spectroscopy, atomic force microscopy (AFM), scanning electron microscopy (SEM) and four-point probe measurements. It was found that both graphene and graphene quantum dots improve the conductivity of PEDOT:PSS films with only small decrease in transparency. AFM and SEM analysis showed homogenous distribution of spherical nanoparticles of graphene quantum dots and irregular shaped nanoparticles of graphene in PEDOT:PSS.
Keywords:
PEDOT:PSS / Thin films / Graphene / Graphene quantum dots
Source:
Synthetic Metals, 2014, 198, 150-154
Publisher:
  • Elsevier Science Sa, Lausanne
Funding / projects:
  • Thin films of single wall carbon nanotubes and graphene for electronic application (RS-172003)

DOI: 10.1016/j.synthmet.2014.10.017

ISSN: 0379-6779

WoS: 000346540500023

Scopus: 2-s2.0-84908290010
[ Google Scholar ]
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/3443
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Poljoprivredni fakultet

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