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Wiley, Journal of Polymer Science Part A: Polymer Chemistry, 22(46), p. 7342-7353, 2008

DOI: 10.1002/pola.23039

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Thiophene-Phenylene/Naphthalene-Based Step-Ladder Copolymers

Journal article published in 2008 by Torsten W. Bünnagel, Benjamin S. Nehls, Frank Galbrecht, Kristina Schottler, Christof J. Kudla, Markus Volk, João S. Seixas de Melo ORCID, Joao Pina, Joao S. Seixas de Melo, Hugh D. Burrows, Ullrich Scherf
This paper is available in a repository.
This paper is available in a repository.

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Abstract

A series of step-ladder copolymers based on thiophene–phenylene–thiophene SL1-SL3 and thiophene–naphthylene–thiophene SL4 repeat units with varying lengths of the oligothiophene segment has been designed and synthesized via a microwave-assisted Stille-type cross-coupling reaction followed by a polymer-analogous cyclization reaction. The optical properties of the step-ladder copolymers have been investigated in detail, in particular at low temperature and in the solid-state. © 2008 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 46: 7342–7353, 2008