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Electrochemical impedance characterization and potential dependence of poly[3,4-(2,2-dibutylpropylenedioxy)thiophene] nanostructures on single carbon fiber microelectrode

  • The electropolymerization of 3,4-(2,2-dibutylpropylenedioxy)thiophene (ProDOT-Bu-2) onto single carbon fiber microelectrode (SCFME) was conducted in acetonitrile (ACN) containing sodium perchlorate (NaClO4) as electrolyte and investigated by cyclic voltammetry (CV). The nanostructured films of poly[3,4-(2,2-dibutyl-propyleneclioxy)thiophene] (PProDOT-Bu-2) which were depositing showed complete reversible redox behavior in monomer-free electrolyte solution. The capacitive behavior of the films was investigated by electrochemical impedance spectroscopy (EIS) at applied potentials from 0.1 V to 1.3 V. The analysis by equivalent circuit modeling revealed an applied potential around 0.4V to be most suitable for the system PProDOT-Bu-2/SCFME as a double layer supercapacitor component inducing a double layer capacitance C-d, value of 62 mFcm(-2).

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Metadaten
Author:Metehan C. Turhan, A. Sezai Sarac, Asli Gencturk, Hans-Detlev Gilsing, Heike Faltz, Burkhard SchulzORCiDGND
DOI:https://doi.org/10.1016/j.synthmet.2012.01.012
ISSN:0379-6779 (print)
Parent Title (English):Synthetic metals : the journal of electronic polymers and electronic molecular materials
Publisher:Elsevier
Place of publication:Lausanne
Document Type:Article
Language:English
Year of first Publication:2012
Year of Completion:2012
Release Date:2017/03/26
Tag:Carbon fiber; Conjugated polymeric thin film; Electrochemical impedance spectroscopy; Nanostructure
Volume:162
Issue:5-6
Pagenumber:5
First Page:511
Last Page:515
Funder:Turkish Scientific & Research Council; BMBF-IB [1071933]
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer Review:Referiert