Effects of thermal cycling on the conductivity of poly(3-octylthiophene)

Tapani Taka, Eero Punkka, Heikki Isotalo

Research output: Contribution to journalArticleScientificpeer-review

Abstract

The change in conductivity in poly(3-octylthiophene)has been studied in different controlled Atmospheres using a temperature cycle between two room and 70°C. The decrese in the conductivity in dry air is very small and dependent on the conductivity of the sample. In humid atmospheres the degradation of highly doped samples is much faster than lightly doped samples. The decrease in conductivity slows down after heating the samples (annealing) which indicates an increase in the order (crystallinity) of the sample.

The effect of sample thickness and light is also briefly discussed.

Original languageEnglish
Pages (from-to)4979 - 4984
Number of pages6
JournalSynthetic Metals
Volume57
Issue number2-3
DOIs
Publication statusPublished - 1993
MoE publication typeA1 Journal article-refereed

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