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Regioselective polymerization of 3-(4-octylphenyl)thiophene with FeCl3
Chalmers Tekniska Högskola.
Chalmers Tekniska Högskola.
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, The Institute of Technology.ORCID iD: 0000-0003-4791-4785
Neste Chemicals, Poruoo, Finland.
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1994 (English)In: Macromolecules, ISSN 0024-9297, E-ISSN 1520-5835, Vol. 27, no 22, 6503-6506 p.Article in journal (Refereed) Published
Abstract [en]

We have shown that it is possible to regioselectively polymerize 3-(4-octylphenyl) thiophene with FeCl3. Adding FeCl3 slowly to the monomer leads to a soft and therefore regioselective polymerization. The head-to-tail content was determined by H-1 NMR to be 94 +/- 2%. Thin films of the polymer treated with chloroform vapor have an absorption maximum at 602 nm (2.06 eV) with clear vibronic fine structure. Free standing films have a conductivity of 4 S/cm, which is 100 times higher than for earlier prepared poly(3-(4-octylphenyl)thiophene). A mechanism for the regioregular polymerization is also proposed.

Place, publisher, year, edition, pages
American Chemical Society , 1994. Vol. 27, no 22, 6503-6506 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-74937DOI: 10.1021/ma00100a039ISI: A1994PN55500039OAI: diva2:497059
Available from: 2012-02-10 Created: 2012-02-10 Last updated: 2015-05-06

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Berggren, MagnusInganäs, Olle
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