Micro-Capacitor Behavior of Poly(3-Hexyl Thiophene)/Carbon Fiber/Electrolyte System and Equivalent Circuit Model |
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| Authors: | Murat Ates Tolga Karazehir |
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| Affiliation: | 1. Department of Chemistry, Faculty of Arts and Sciences , Namik Kemal University, Degirmenalti Campus , Tekirdag , Turkey mates@nku.edu.tr;3. Department of Chemistry, Faculty of Arts and Sciences , Namik Kemal University, Degirmenalti Campus , Tekirdag , Turkey;4. Department of Chemistry, Faculty of Arts and Sciences , Istanbul Technical University , Maslak , Istanbul , Turkey |
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| Abstract: | In this article, 3-Hexyl thiophene (3HTh) monomer was electrocoated on carbon fiber micro electrode (CFME) to study electrochemical impedance spectroscopic (EIS) analysis. Poly(3HTh)/CFME is characterized by Cyclic voltammetry (CV), Fourier transform infrared reflectance-attenuated total reflection spectroscopy (FTIR-ATR), Scanning electron microscopy-Energy Dispersive X-ray analysis (SEM-EDX), and electrochemical impedance spectroscopy (EIS). The effects of different monomer concentrations (0.5, 1.0 and 1.5 mM) on polymer were reported in 0.1 M tetraethyl ammonium tetrafluoroborate (TEABF4)/acetonitrile (ACN) solution. The highest low frequency capacitance (CLF = 1.394 mF cm?2) was obtained for [3HTh]0 = 0.5 mM. The equivalent circuit model of R(QR(CR)(RW))(CR) was examined for polymer/electrolyte system. |
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| Keywords: | 3-Hexylthiophene Carbon fiber Circuit model Coatings Micro-capacitor Thin films |
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