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https://hdl.handle.net/11499/3744
Title: | Synthesis of star-shaped pyrrole and thiophene functionalized monomers and optoelectrochemical properties of corresponding copolymers | Authors: | Ak, Metin Toppare, Levent |
Keywords: | Synthesis Electrochemistry Conducting polymers Spectroscopic analysis Electrochromic materials Electrochromic devices s-Triazines Spectroelectrochemistry Star-shaped polymers Copolymerization Cyclic voltammetry Fourier transform infrared spectroscopy Band gaps Conductivity measurements Copolymer films Electrochemical copolymerizations Electronic transitions Fourier transform infrared spectrometers Functionalized monomers |
Publisher: | Elsevier B.V. | Abstract: | Star-shaped thiophene and pyrrole functionalized monomers namely 2,4,6-tris(4-(1H-pyrrol-1- yl)phenoxy)-1,3,5-triazine (TriaPy) and 2,4,6-tris(4-(1H-pyrrol-1-yl)phenoxy)-1,3,5-triazine (TriaTh) were synthesized from 2,4,6-trichloro-1,3,5-triazine, thiophen-3-ylmethanol and 4-(1H-pyrrol-1- yl)phenol. Electrochemical copolymerization of monomers with thiophene and pyrrole was achieved in tetrabutylammonium tetrafluoroborate/acetonitrile (TBAFB/AN). Resulting copolymers were characterized by Fourier transform infrared (FTIR) spectrometer, cyclic voltammetry (CV) and conductivity measurements. Spectroelectrochemical analysis reflected that copolymer films have low max for –* electronic transitions accompanied with a rather high band gap compared to polythiophene and polypyrrole. Switching abilities of copolymer films were evaluated by a kinetic study via measuring the transmittance (%T) at the maximum contrast. | URI: | https://hdl.handle.net/11499/3744 | ISSN: | 0254-0584 |
Appears in Collections: | Fen-Edebiyat Fakültesi Koleksiyonu Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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