Stability of processed poly(3-octylthiophene) and its blends

Heikki Isotalo, Markus Ahlskog, Henrik Stubb, Jukka Laakso, Tuomo Kärnä, Matti Jussila, Jan-Erik Österholm

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Abstract

Electrically conducting poly(3-octylthiophene) (POT) and blends thereof have been processed and analyzed. Processing was done by extrusion using POT as the electrically active component the insulating polymer matrix being EVA, PE, PP, PS or PB. For these basic studies the in situ doping was done by I2, FeCl3 and sulfonic acid. Room temperature conductivity was used to probe the percolation of the conductivity as a function of matrix and dopant concentration. The measured conductivities varied between those of the insulating matrices and 1*10-2Ω-1cm-1. The long term stability of the conductivity was measured in various atmospheres at room temperature as well as elevated temperatures. The effect of stabilizers was also studied.
Original languageEnglish
Pages (from-to)3581 - 3586
Number of pages6
JournalSynthetic Metals
Volume57
Issue number1
DOIs
Publication statusPublished - 1993
MoE publication typeA1 Journal article-refereed

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    Isotalo, H., Ahlskog, M., Stubb, H., Laakso, J., Kärnä, T., Jussila, M., & Österholm, J-E. (1993). Stability of processed poly(3-octylthiophene) and its blends. Synthetic Metals, 57(1), 3581 - 3586. https://doi.org/10.1016/0379-6779(93)90480-K