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The origin of the high conductivity of poly(3,4-ethylenedioxythiophene)- poly(styrenesulfonate) (PEDOT-PSS) plastic electrodes
Linköping University, The Institute of Technology. Linköping University, Department of Science and Technology.ORCID iD: 0000-0001-8845-6296
Linköping University, The Institute of Technology. Linköping University, Department of Science and Technology.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Surface Physics and Chemistry.
KUL, Belgien.
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2006 (English)In: Chemistry of Materials, ISSN 0897-4756, Vol. 18, no 18, 4354-4360 p.Article in journal (Refereed) Published
Abstract [en]

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. © 2006 American Chemical Society.

Place, publisher, year, edition, pages
2006. Vol. 18, no 18, 4354-4360 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-37450DOI: 10.1021/cm061032+Local ID: 35885OAI: oai:DiVA.org:liu-37450DiVA: diva2:258299
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2017-02-03

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Publisher's full texthttp://pubs.acs.org/cgi-bin/article.cgi/cmatex/2006/18/i18/html/cm061032+.html#cm0610321AF2

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Crispin, XavierJakobsson, FredrikCrispin, AnnicaAndersson, PeterSalaneck, William RBerggren, Magnus

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Crispin, XavierJakobsson, FredrikCrispin, AnnicaAndersson, PeterSalaneck, William RBerggren, Magnus
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