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Title: The origin of the high conductivity of poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT- PSS) plastic electrodes
Authors: Crispin, X ×
Jakobsson, F. L. E
Crispin, A
Grim, Kees
Andersson, P
Volodine, Alexandre
Van Haesendonck, Christian
Van der Auweraer, Mark
Salaneck, W. R
Berggren, M #
Issue Date: Sep-2006
Publisher: American Chemical Society
Series Title: Chemistry of Materials vol:18 issue:18 pages:4354-4360
Abstract: The development of printed and flexible (opto)electronics requires specific materials for the device's electrodes. Those materials must satisfy a combination of properties. They must be electrically conducting, transparent, printable, and flexible. The conducting polymer poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT-PSS) is known as a promising candidate. Its conductivity can be increased by 3 orders of magnitude by the secondary dopant diethylene glycol (DEG). This "secondary doping" phenomenon is clarified in a combined photoelectron spectroscopy and scanning probe microscopy investigation. PEDOT-PSS appears to form a three-dimensional conducting network explaining the improvement of its electrical property upon addition of DEG. Polymer light emitting diodes are successfully fabricated using the transparent plastic PEDOT-PSS electrodes instead of the traditionally used indium tin oxide.
ISSN: 0897-4756
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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