Synthesis and Characterization of Dithienothiophene, Bithiazole and Thiophene Containing Polymer

B. Ustamehmetoğlu*, I. Osken, M. E. Cinar, E. Sezer, E. Karaca, T. Ozturk

*Bu çalışma için yazışmadan sorumlu yazar

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13 Atıf (Scopus)

Özet

Synthesis of comonomer, possessing 4,4'-dinonyl-2,2'-bithiazole and 3,5-diphenyldithieno[3,2-b;2′,3′-d]thiophene (T-NBT-Ph2DTT-NBT-T) units, was achieved using Stille cross coupling reaction. Its electropolymerization was conducted in acetonitrile, containing 0.1 M NaClO4 + 0.1 M LiCIO4 (MCIO4). Properties of the polymer film, obtained P[T-NBT-Ph2DTT-NBT-T], were characterized by electrochemical techniques. Effect of the polymerization charge on the redox behavior of the polymer film was investigated, and the film was further characterized by UV-visible spectrophotometric measurements. Corresponding electrical equivalent circuit was applied to the experimental electrochemical impedance spectroscopy (EIS) data to explain the parameters of each element and the interface of the Pt/P[T-NBT-Ph2DTT-NBT-T]/MCIO4 system. The band gap of the polymer was obtained as 1.86 eV by in situ spectroelectrochemical measurements. Good stability in the oxidized state was verified experimentally. Molecular orbitals and electropolymerization of the comonomer were investigated at DFT level.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)435-446
Sayfa sayısı12
DergiElectrochimica Acta
Hacim227
DOI'lar
Yayın durumuYayınlandı - 10 Şub 2017

Bibliyografik not

Publisher Copyright:
© 2016 Elsevier Ltd

Finansman

We thank Istanbul Technical University, Turkey, for grants to I. Osken (PhD) and E. Karaca (BSc). M. Emin Cinar is grateful to TUBITAK for Postdoctoral Research Fellowships BIDEB 2216 program. We are indebted to National Center for High Performance Computing (UYBHM) (tvddvb) and the High-Performance-Computing (HPC) Linux Cluster HorUS of University of Siegen for the computer time provided. Unsped Global Logistic is gratefully acknowledged for financial support.

FinansörlerFinansör numarası
TUBITAK
UYBHM
University of Siegen
British Society of Criminology
Center for High Performance Computing
Istanbul Teknik Üniversitesi

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