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Electropolymerization of a New 4-(2,5-Di-2-thiophen-2-yl-pyrrol-1-yl)-Tetra Substituted Nickel Phthalocyanine Derivative
Date
2011-10-15
Author
Yavuz, Arzu
Carbas, Buket Bezgin
Aras, Leyla
Önal, Ahmet Muhtar
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A new tetrakis 4-(2,5-di-2-thiophen-2-yl-pyrrol-1-yl) substituted nickel phthalocyanine (NiPc-SNS) was synthesized and characterized by elemental analysis, Fourier Transform Infrared (FT-IR), and UV-vis spectroscopies. The electrochemical polymerization of this newly synthesized NiPc-SNS was performed in dichloromethane (DCM)/tetrabutylammonium perchlorate (TBAP) solvent/electrolyte couple. An insoluble film was deposited on the electrode surface, both during repetitive cycling and constant potential electrolysis at 0.85 V. Resulting polymer film, P(NiPc-SNS), was characterized utilizing UV-vis and FT-IR spectroscopic techniques and its electrochemical behavior was investigated via cyclic voltammetry (CV). Spectroelectrochemical behavior of the polymer film on indium tin oxide (ITO) working electrode was investigated by recording the electronic absorption spectra, in situ, in monomer-free electrolytic solution at different potentials and it is found that the P(NiPc-SNS) film can be reversibly cycled between 0.0 and 1.1 V and exhibits electrochromic behavior; dark olive green in the neutral and dark blue in the oxidized states with a switching time of 1.98 s. Furthermore, the band gap of P(NiPc-SNS) was calculated as 2.27 eV from the onset of pi-pi* transition of the conjugated backbone. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 122: 1293-1299, 2011
Subject Keywords
Materials Chemistry
,
General Chemistry
,
Surfaces, Coatings and Films
,
Polymers and Plastics
URI
https://hdl.handle.net/11511/39616
Journal
JOURNAL OF APPLIED POLYMER SCIENCE
DOI
https://doi.org/10.1002/app.33657
Collections
Department of Chemistry, Article
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A. Yavuz, B. B. Carbas, L. Aras, and A. M. Önal, “Electropolymerization of a New 4-(2,5-Di-2-thiophen-2-yl-pyrrol-1-yl)-Tetra Substituted Nickel Phthalocyanine Derivative,”
JOURNAL OF APPLIED POLYMER SCIENCE
, pp. 1293–1299, 2011, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/39616.