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Impedance and morphology of hydroxy- and chloro-functionalized poly(3,4-propylenedioxythiophene) nanostructures

  • The new 3,4-propylenedioxythiophenes (ProDOT) bearing hydroxy- or chloro-functionalized side chains of varying length and polarity were synthesized and electropolymerized on single carbon fiber microelectrode (SCFME) using cyclo-voltammetry. Electrochemical impedance spectroscopy (EIS) revealed highest capacitance values for the hydroxy-functionalized Poly 5 carrying a side chain of medium length. The EIS data were fitted with an equivalent electrical circuit giving a good correlation. AFM analysis of the topography showed higher roughness values for Poly 5 than for the two other polymers bearing longer side chains. Due to their reactive end groups the polymers should be useful for post-polymerization functionalization of the electrode surface.

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Author:Fatma G. Guler, Hans-Detlev Gilsing, Burkhard SchulzORCiDGND, A. Sezai Sarac
ISSN:1533-4880 (print)
Parent Title (English):Journal of nanoscience and nanotechnolog
Publisher:American Scientific Publ.
Place of publication:Valencia
Document Type:Article
Year of first Publication:2012
Year of Completion:2012
Release Date:2017/03/26
Tag:3,4-Propylenedioxythiophene; AFM; EIS; Electroactive Conjugated Polymer
First Page:7869
Last Page:7878
Funder:TUBITAK [107T933, 111T051]
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Chemie
Peer Review:Referiert