Synthesis and characterization of conducting copolymers of succinic acid bis-(4-pyrrol-1-yl-phenyl) ester and their electrochromic properties

Date

2004-05-07

Author

Ertas, M
Çırpan, Ali
Toppare, Levent Kamil

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A new dipyrrolyl monomer was synthesized via the reaction between 4-pyrrol-1-yl phenol and butanedioyl dichloride. Electrochemical behavior of this monomer, succinic acid bis-(4-pyrrol-1-yl-phenyl) ester (SM) was studied. Homopolymerization was achieved by chemical and constant Current electrolysis methods. Copolymerization of SM with thiophene was performed by constant potential electrolysis in acetonitrile (AN)-tetrabutylammonium tetrafluoroborate (TBAFB) and dichloromethane (DCM)-TBAFB, solvent-electrolyte couples. The chemical structure characterization was investigated by nuclear magnetic resonance spectroscopy (NMR) and fourier transform infrared spectroscopy (FTIR). Thermal analyses were studied by differential scanning calorimetry (DSC) and thermal gravimetry analysis (TGA). The morphologies of the films were examined by scanning electron microscope (SEM). Conductivities of the samples were measured by using four-probe technique. Moreover, spectroelectrochemical and electrochromic properties of SM/PTh copolymer were investigated by UV-Vis spectrophotometer and colorimetry.

Subject Keywords

Mechanical Engineering, Materials Chemistry, Mechanics of Materials, Electronic, Optical and Magnetic Materials, Condensed Matter Physics, Metals and Alloys

URI

https://hdl.handle.net/11511/35414

Journal

SYNTHETIC METALS

DOI

https://doi.org/10.1016/j.synthmet.2003.10.018

Collections

Department of Chemistry, Article

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Citation Formats

M. Ertas, A. Çırpan, and L. K. Toppare, “Synthesis and characterization of conducting copolymers of succinic acid bis-(4-pyrrol-1-yl-phenyl) ester and their electrochromic properties,” SYNTHETIC METALS, pp. 49–58, 2004, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/35414.