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Spectroscopy of ethylenedioxythiophene-derived systems: from gas phase to surfaces and interfaces found in organic electronics
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, The Institute of Technology.
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
2004 (English)In: Journal of Electron Spectroscopy and Related Phenomena, ISSN 0368-2048, E-ISSN 1873-2526, Vol. 137-140, 805-809 p.Article in journal (Refereed) Published
Abstract [en]

Two relevant topics within the field of organic electronics have been studied with photoelectron spectroscopy. The organic material used is the successful polymer blend PEDOT-PSS. The first issue relates to the conductivity of organic materials. A known procedure (specific solvent-mixture) for improving the conductivity of PEDOT-PSS has been studied. The mechanisms behind the enhanced conductivity were shown to be due to higher PEDOT content at the surface. The other issue has to do with metal contacting of organic materials. Aluminum/PEDOT-PSS interfaces were studied. The formation of interfacial species was deduced with the aid of model molecules. We can conclude that it is mainly the PSS part that reacts with aluminum. Due to different surfaces in standard PEDOT-PSS and solvent-treated PEDOT-PSS, different interfaces are formed in the two cases.

Place, publisher, year, edition, pages
2004. Vol. 137-140, 805-809 p.
Keyword [en]
organic electronics, PEDOT-PSS, conductivity, interfaces, XPS, photon energy dependent depth profiling
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-46219DOI: 10.1016/j.elspec.2004.02.120OAI: oai:DiVA.org:liu-46219DiVA: diva2:267115
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13

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Jönsson, StinaSalaneck, William RFahlman, Mats

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Jönsson, StinaSalaneck, William RFahlman, Mats
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Department of Science and TechnologyThe Institute of TechnologyDepartment of Physics, Chemistry and Biology
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  • Other style
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