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Conformational transitions in a free amino acid functionalized polythiophene
Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-5582-140X
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.
2003 (English)In: Synthetic metals, ISSN 0379-6779, E-ISSN 1879-3290, Vol. 135-136, 291-292 p.Article in journal (Refereed) Published
Abstract [en]

A chiral, 3-substituted polythiophene with an amino acid function shows pH-dependent visible, emission and circular dichroism spectra in buffered aqueous solution. At pH equal to pi of the amino acid, the backbone adopts a non-planar right-handed helical conformation and the polymer chains are separated from each other. Increasing pH leads to a more planar conformation of the backbone and an aggregation of the polymer chains occurs. A lower pH will also lead to a more planar conformation of the backbone, but aggregation of the polymer chains appears to be absent. © 2003 Elsevier Science B.V. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2003. Vol. 135-136, 291-292 p.
Keyword [en]
Optical absorption and emission spectroscopy, Polythiophene derivative
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-46564DOI: 10.1016/S0379-6779(02)00522-2OAI: oai:DiVA.org:liu-46564DiVA: diva2:267460
Note
Proceedings of the International Conference on Science and Technology of Synthetic MetalsAvailable from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13

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Nilsson, K.Peter R.Inganäs, Olle

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