Polymeric field effect transistors using oriented polymers

Peter Dyreklev, Göran Gustafsson, Olle Inganäs, Henrik Stubb

Research output: Contribution to journalArticleScientificpeer-review

28 Citations (Scopus)

Abstract

Anisotropic charge carrier mobility in oriented conjugated polymers has been investigated. Mobility in thin films of undoped polythiophene polymers is measured using a field effect transistor. Thin polymer films, thickness 300–500 Å, supported on polyethylene are stretch oriented to various elongations, at maximum 4.5 times. The film is put onto the transistor substrate parallel or perpendicular to the conduction channel. The film can be lifted and put down again, perpendicular to the first orientation, enabling us to measure the mobility anisotropy.

The anisotropy increases with increasing orientation, reaching values of 4.

A simple model, describing the polymer chains as stiff rods along which charge transport occurs, gives a good agreement with observed results.

Original languageEnglish
Pages (from-to)4093 - 4098
Number of pages6
JournalSynthetic Metals
Volume57
Issue number1
DOIs
Publication statusPublished - 1993
MoE publication typeA1 Journal article-refereed

Fingerprint

Field effect transistors
Polymers
Anisotropy
field effect transistors
Thin films
Carrier mobility
Conjugated polymers
polymers
Polyethylene
Charge carriers
Polymer films
Film thickness
Charge transfer
Elongation
Transistors
anisotropy
Polyethylenes
Substrates
carrier mobility
elongation

Cite this

Dyreklev, P., Gustafsson, G., Inganäs, O., & Stubb, H. (1993). Polymeric field effect transistors using oriented polymers. Synthetic Metals, 57(1), 4093 - 4098. https://doi.org/10.1016/0379-6779(93)90563-C
Dyreklev, Peter ; Gustafsson, Göran ; Inganäs, Olle ; Stubb, Henrik. / Polymeric field effect transistors using oriented polymers. In: Synthetic Metals. 1993 ; Vol. 57, No. 1. pp. 4093 - 4098.
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Dyreklev, P, Gustafsson, G, Inganäs, O & Stubb, H 1993, 'Polymeric field effect transistors using oriented polymers', Synthetic Metals, vol. 57, no. 1, pp. 4093 - 4098. https://doi.org/10.1016/0379-6779(93)90563-C

Polymeric field effect transistors using oriented polymers. / Dyreklev, Peter; Gustafsson, Göran; Inganäs, Olle; Stubb, Henrik.

In: Synthetic Metals, Vol. 57, No. 1, 1993, p. 4093 - 4098.

Research output: Contribution to journalArticleScientificpeer-review

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