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| Naji, M. |
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| Azevedo, Nuno Monteiro |
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Cysewska, Karolina
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Publications (3/3 displayed)
- 2024Electrical Interface Parameters of PEDOT:PSS: Effect of Electrodeposition Charge Evaluated Under Body Conditions for Neural Electrode Applicationscitations
- 2018In-situ odd random phase electrochemical impedance spectroscopy study on the electropolymerization of pyrrole on iron in the presence of sodium salicylate - The influence of the monomer concentrationcitations
- 2015Electrochemical activity and electrical properties of optimized polypyrrole coatings on ironcitations
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article
Electrical Interface Parameters of PEDOT:PSS: Effect of Electrodeposition Charge Evaluated Under Body Conditions for Neural Electrode Applications
Abstract
<jats:p>This study explores the influence of the deposition charge of poly(3,4-ethylenedioxythiophene) doped with polystyrene sulfonate (PEDOT:PSS) on its electrical interface parameters. For this purpose, PEDOT:PSS was fabricated by electrodeposition on commercial platinum electrodes with the time limited by different charges (1, 3, 6, 9 mC). Further, the electrodes were characterized regarding their electrical interface such as interfacial impedance, potential window, double-layer capacitance, charge storage capacity, and current injection limit under simulated body conditions. The work showed whether and to what extent the change of deposition charge affected the electrical interface parameters of PEDOT:PSS-based platinum electrodes. The electrodes polymerized with 9 mC exhibited a significant increase in specific capacitance, indicating enhanced charge storage capacity. Additionally, this sample demonstrated lower resistance in phosphate-buffered saline, suggesting improved conductivity.</jats:p><jats:p><jats:inline-formula></jats:inline-formula></jats:p>