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Synthesis and characterization of conducting copolymer of (N1,N3-bis(thiophene-3-ylmethylene)benzene-1,3-diamine-co-3,4-ethylenedioxythiophene)

Altuğ Kümbül, Ersen Turaç, Tuğba Dursun, and Ertuğrul Şahmetlioğlu

Department of Chemistry, Nigde University, 51100 Nigde, Turkey

 

E-mail: sahmetlioglu@nigde.edu.tr

Received: 27 March 2009  Revised: 19 June 2009  Accepted: 22 June 2009

Abstract: Electrochemical copolymerization of N 1,N 3-bis(thiophene-3-ylmethylene)benzene-1,3-diamine (TMBA) with 3,4-ethylenedioxythiophene (EDOT) was carried out in a CH3CN/LiClO4 (0.1 M) solvent-electrolyte via potentiodynamic electrolysis. Chemical structure of the monomer was determined by nuclear magnetic resonance (1H NMR) and Fourier transform infrared (FTIR) spectroscopy. The resulting copolymer was characterized by cyclic voltammetry (CV), FTIR, scanning electron microscopy (SEM), and thermogravimetry analyses (TGA). Conductivity measurements of the copolymer and PEDOT (poly(3,4-ethylenedioxythiophene)) were carried out by the four-probe technique.

Keywords: electrochemical polymerization - conducting copolymers - thiophene - EDOT

Full paper is available at www.springerlink.com.

DOI: 10.2478/s11696-009-0087-6

 

Chemical Papers 64 (1) 114–117 (2010)

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