Issue 45, 2012
From the journal:

Journal of Materials Chemistry

Nanocomposites of reduced graphene oxide nanosheets and conducting polymer for stretchable transparent conducting electrodes†

Young Gug Seol,‡a   Tran Quang Trung,‡a   Ok-Ja Yoon,a   Il-Yung Sohna  and  Nae-Eung Lee*ab  

* Corresponding authors

a School of Advanced Materials Science and Engineering, Sungkyunkwan University (SKKU), Suwon, Kyunggi-do 440-746, Korea
E-mail: nelee@skku.edu

b SKKU Advanced Institute of Nanotechnology (SAINT) and Samsung Advanced Institute of Health Sciences and Technology (SAIHST), Sungkyunkwan University (SKKU), Suwon, Kyunggi-do 440-746, Korea

Abstract

Nanocomposites of functionalized reduced graphene oxide (FR-GO) nanosheets and a conducting polymer, poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate) (PEDOT:PSS), were investigated for their applicability as stretchable transparent conducting electrode (TCE) materials. Adding FR-GO nanosheets functionalized by a surfactant, phenyl isocyanate, through the reduction of functionalized GO nanosheets into the PEDOT:PSS solution was an effective way of increasing the dispersibility of R-GO and, in turn, the electrical conductivity of the nanocomposite thin layers. A sheet resistance as low as ∼68 Ω □−1 and optical transmittance of ∼86% at the wavelength of 550 nm was obtained for the nanocomposite layer with FR-GO well-dispersed in the PEDOT:PSS matrix. A patterned nanocomposite electrode formed on a pre-stretched polydimethylsiloxane substrate showed potential applicability as an excellent TCE for transparent and stretchable electronics.

Graphical abstract: Nanocomposites of reduced graphene oxide nanosheets and conducting polymer for stretchable transparent conducting electrodes

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Article information

DOI
https://doi.org/10.1039/C2JM33949H
Article type
Paper
Submitted
19 Jun 2012
Accepted
19 Sep 2012
First published
20 Sep 2012

J. Mater. Chem., 2012,22, 23759-23766

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Nanocomposites of reduced graphene oxide nanosheets and conducting polymer for stretchable transparent conducting electrodes

Y. G. Seol, T. Q. Trung, O. Yoon, I. Sohn and N. Lee, J. Mater. Chem., 2012, 22, 23759 DOI: 10.1039/C2JM33949H

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