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Synthesis and characterization of poly(quinoxaline vinylene)s and poly(pyridopyrazine vinylene)s with phenyl substituted side-groups
Department of Polymer Technology, Chalmers University of Technology, SE-412 96 Göteborg, Sweden.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology.
Department of Polymer Technology, Chalmers University of Technology, SE-412 96 Göteborg, Sweden.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics .
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2002 (English)In: Synthetic metals, ISSN 0379-6779, E-ISSN 1879-3290, Vol. 131, no 1-3, 53-59 p.Article in journal (Refereed) Published
Abstract [en]

Poly(quinoxaline vinylene) and poly(pyridopyrazine vinylene) with 3(2'-ethylhexyloxy)phenyl side-groups have been synthesized and compared with similar polymers with purely aliphatic side-chains. The new polymers had smaller bandgaps, and from cyclic voltammetry it was seen that the phenyl substituted side-groups made the polymers easier to reduce, with half wave potentials of -1.02 and -1.33 V versus Ag/AgCl for the poly(pyridopyrazine vinylene) and poly(quinoxaline vinylene) respectively. The attachment of the phenyl substituted side-groups had counteracting effects on the stability towards photo-oxidation, which resulted in improved stability of the poly(pyridopyrazine vinylene) compared to its equivalent with purely aliphatic side-chains, while the poly(quinoxaline vinylene) showed decreased stability. © 2002 Elsevier Science B.V. All rights reserved.

Place, publisher, year, edition, pages
2002. Vol. 131, no 1-3, 53-59 p.
Keyword [en]
Cyclic voltammetry, N-Doping, Pyrido[3, 4-b]pyrazine, Quinoxaline, Small bandgap, Stability
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-46854DOI: 10.1016/S0379-6779(02)00137-6OAI: oai:DiVA.org:liu-46854DiVA: diva2:267750
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13

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Johansson, TomasInganäs, Olle

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The Institute of TechnologyDepartment of Physics, Chemistry and BiologyBiomolecular and Organic Electronics
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