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https://hdl.handle.net/11499/3898
Title: | Electrochromic properties of 'Trimeric' thiophene-pyrrole-thiophene derivative grown from electrodeposited 6-(2,5-di(thiophen-2-yl)-1H-pyrrol-1-yl) hexan-1-amine and its copolymer | Authors: | Tarkuc, Simge Ak, Metin Onurhan, Erdal Toppare, Levent |
Keywords: | Synthesis Knorr-Paal reaction Electrochemistry Conducting polymers Spectroscopic analysis Electrochromic devices Electrochromic materials Amines Electrodeposition Electrochemical copolymerization Copolymers Optical contrast Switching stability |
Issue Date: | Feb-2008 | Publisher: | Taylor & Francis | Abstract: | A centrosymmetric polymer precursor, namely 6-(2,5-di(thiophen-2-yl)-1H- pyrrol-1-yl)hexan-1-amine (TPHA), was synthesized via a Knorr-Paal reaction using 1,4-di(2-thienyl)-1,4-butanedione and hexane-1,6-diamine. The resultant monomer was characterized by Nuclear Magnetic Resonance (1H-NMR). Electroactivity of TPHA was investigated via cyclic voltammetry. The electronic structure and the nature of electrochromism in P(TPHA) and its copolymer with EDOT, (P(TPHA-co-EDOT)), were examined via spectroelectrochemistry studies. P(TPHA) switches between claret red neutral state and blue oxidized state. Optical response times for coloring and bleaching processes of the P(TPHA) and P(TPHA-co-EDOT) were found as 2.1 s and 1.6s, respectively. The copolymer of TPHA was used to construct dual type polymer electrochromic devices (ECDs) against poly(3,4-ethylenedioxythiophene) (PEDOT). Spectroelectrochemistry and electrochromic switching out of the devices were investigated. | URI: | https://hdl.handle.net/11499/3898 | ISSN: | 1060-1325 |
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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