In situ conductivity measurements on polyethylenedioxythiophene derivatives with different counter ions

3,4-Ethylenedioxythiophene (EDT) and thieno-(3,4-b)-2,3-dihydro-2-tetradecyl-1,4-dioxane (EDT-C 14) were electrochemically deposited onto Pt using different electrolytes in acetonitrile. The resulting PEDT films containing different counter ions were subsequently characterized and their in situ cond...

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Bibliographic Details
Published in:Synthetic metals 2002-02, Vol.126 (2), p.193-198
Main Authors: Aubert, P.-H., Groenendaal, L., Louwet, F., Lutsen, L., Vanderzande, D., Zotti, G.
Format: Article
Language:English
Subjects:
Akylated derivative
Applied sciences
Electrical, magnetic and optical properties
Exact sciences and technology
In situ conductivity
Morphology
Organic polymers
Physicochemistry of polymers
poly(3,4-ethylenedioxythiophene)
Properties and characterization
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Summary:3,4-Ethylenedioxythiophene (EDT) and thieno-(3,4-b)-2,3-dihydro-2-tetradecyl-1,4-dioxane (EDT-C 14) were electrochemically deposited onto Pt using different electrolytes in acetonitrile. The resulting PEDT films containing different counter ions were subsequently characterized and their in situ conductivity values were measured using a two band electrode. The latter showed that the highest conductivities were obtained with ClO 4 − and BF 4 − as counter ions. Furthermore, the morphology, and thus the conductive properties, of the films seem to be strongly dependent on the applied polymerization potential.
ISSN:0379-6779
1879-3290
DOI:10.1016/S0379-6779(01)00521-5