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Electrosynthetically patterned conducting polymer films for investigation of neural signaling
University of California, Santa Cruz. (Physics Department)ORCID iD: 0000-0002-2799-3490
University of California, Santa Cruz.
2006 (English)In: Journal of Chemical Physics, ISSN 0021-9606, E-ISSN 1089-7690, Vol. 124, 204709- p.Article in journal (Refereed) Published
Abstract [en]

The ion-mediated conduction and versatility of device fabrication of conducting polymers provide a route to the study of neural signaling. Patterned junctions of conducting polypyrrole have been electropolymerized on commercially available microelectrode arrays, with typical dimensions 200  µm between electrodes, each electrode being 30  µm in diameter. Tetrabutylammonium perchlorate or sodium p-toluenesulfonate were used as electrolyte/counterion in the organic solvent. Individual polypyrrole junctions, when synthesized and connected in a three-electrode configuration, exhibit current-switching behavior analogous to neural weighting. Junctions copolymerized with thiophene exhibit current rectification and the nonlinear current-voltage behavior requisite for complex neural systems (i.e., the activation function).

Place, publisher, year, edition, pages
2006. Vol. 124, 204709- p.
National Category
Natural Sciences Engineering and Technology
URN: urn:nbn:se:liu:diva-77349DOI: 10.1063/1.2200348OAI: diva2:526375
Available from: 2012-06-07 Created: 2012-05-11 Last updated: 2013-09-12Bibliographically approved

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