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  4. Effect of experimental factors on the properties of PEDOT-NaPSS galvanostatically deposited from an aqueous micellar media for invasive electrodes
 
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Effect of experimental factors on the properties of PEDOT-NaPSS galvanostatically deposited from an aqueous micellar media for invasive electrodes

Publikationstyp
Conference Paper
Date Issued
2012
Sprache
English
Author(s)
Starbird, Ricardo  
Optische und Elektronische Materialien E-12  
Bauhofer, Wolfgang  
Optische und Elektronische Materialien E-12  
Meza Cuevas, Mario Alberto 
Nano- und Medizinelektronik E-9 (H)  
Krautschneider, Wolfgang  
Nano- und Medizinelektronik E-9 (H)  
TORE-URI
https://hdl.handle.net/11420/47902
Article Number
6465500
Citation
5th 2012 Biomedical Engineering International Conference, BMEiCON 2012, Muang, Thailand, 2012, pp. 1-5, art. no. 6465500
Contribution to Conference
5th 2012 Biomedical Engineering International Conference, BMEiCON 2012  
Publisher DOI
10.1109/BMEiCon.2012.6465500
Scopus ID
2-s2.0-84875111406
Publisher
IEEE
ISBN
978-1-4673-4890-4
978-1-4673-4891-1
978-1-4673-4892-8
Poly(3,4-ethylenedioxythiophene) (PEDOT) coat for invasive electrodes has been generated considerable interest in terms of electrical properties and biocompatibility. Adequate formulations and methodology are necessary to deposit polymer reproducibly on macro and micro-electrodes. Electrochemical properties of PEDOT as interface material were assessed with respect to different experimental factors. PEDOT/NaPSS was polymerized from a sodium polystyrenesulfonate (NaPSS) dispersion. The dispersion was characterized by cyclic voltammetry and its critical micellar concentration (CMC) value is reported, according to our best knowledge, for the first time for PEDOT deposition. The polymer obtained was studied using Raman spectroscopy, impedance and cyclic voltammetry measurement. PEDOT-NaPSS coat shows high charge injection (Qinj), low interfacial impedance (Z) and superficial chemical stability (Raman). This study provides a simple, constant and reproducible framework to coat invasive electrodes.
Subjects
Charge injection
Critical micellar concentration
Impedance
Invasive electrodes
PEDOT
DDC Class
621.3: Electrical Engineering, Electronic Engineering
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