Melt and solution processable poly(3-alkylthiophene) and their blends

Jan-Erik Österholm, Jukka Laakso, Per Nyholm, Heikki Isotalo, Henrik Stubb, Olle Inganäs, William Salaneck

Research output: Contribution to journalReview Articlepeer-review

130 Citations (Scopus)

Abstract

We report on the properties of melt and solution processable poly(3-alkylthiophenes), P3AT, and on the fabrication of electrically conducting polymer blends consisting of P3AT, specifically poly(3-octylthiophene), POT, and a thermoplastic matrix polymer made using ordinary melt processing techniques. The POT used in this work was synthesized using two different chemical polymerization techniques.

Films made from as-synthesized POT powder, either by solution casting or melt processing techniques were found to be easily doped by electron acceptors to conductivities of 20–30 S/cm. Blending of POT with thermoplastics such as ethylenevinylacetate copolymer, EVA, in the molten state yields polymer blends with excellent mechanical properties that might be doped to conductivities exceeding 1 S/cm.

Original languageEnglish
Pages (from-to)435-444
JournalSynthetic Metals
Volume28
Issue number1-2
DOIs
Publication statusPublished - 1989
MoE publication typeA2 Review article in a scientific journal

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