Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/3820
Title: Processable amide substituted 2,5-bis(2-thienyl)pyrrole based conducting polymer and its fluorescent and electrochemical properties
Authors: Soganci, Tugba
Soyleyici, Hakan Can
Giziroglu, Emrah
Ak, Metin
Keywords: Electrochemistry
Conducting polymers
Spectroscopic analysis
Electrochromic materials
Electrochromic devices
Synthesis
3 ,4-ethylenedioxythiophene
Coloration efficiencies
Electrochromic performance
Fluorescence emission
Fluorescent conjugated polymers
Oxidation potentials
Roll to roll manufacturing
Spectroelectrochemical data
Processable conducting polymer
Solution-processable
2,5-di(2-thienyl)pyrrole
Cyclic voltammetry
Publisher: Electrochemical Society, Inc.
Abstract: While majority of conductive polymers are insoluble and infusible, theirs solution processable derivatives are more desirable for preparing large size flat panel display and solid state applications because they are compatible with low cost, large area roll-to-roll manufacturing process. For this purpose, a solution-processable fluorescent conjugated polymer (PDOB), consisting of electron rich N-(2,5-di(thiophen-2-yl)-1H-pyrrol-1-yl)-4-(dodecyloxy) benzamide (DOB) and its copolymer with 3,4-ethylenedioxythiophene P(DOB-co-EDOT) were synthesized by electrochemical polymerization technique. Electrochemical and optical properties of P(DOB) and P(DOB-co-EDOT) were investigated cyclic voltammetry, UV-vis absorption and fluorescence emission measurements, respectively. The optical bandgap values of P(DOB) and P(DOB-co-EDOT) determined by spectroelectrochemical data were 1.92 eV and 1.62 eV, respectively. P(DOB) and P(DOB-co-EDOT) were exhibited favorable redox activity and electrochromic performance. Further kinetic studies demonstrated that the P(DOB) and P(DOB-co-EDOT) have high optical contrast ratios (60-25%), favorable coloration efficiencies (139.1 cm2.C-1 and 80.6 cm2.C-1), fast response time (1.5 s; 1.0 s), high stability. When compared to soluble poly (2,5-dithienyl pyrrole) derivatives in literature, P(DOB) have lowest oxidation potential and bandgap and have highest optical contrast. As a result, these materials provide more plentiful electrochromic colors which useful for display application and hold promise for other solution-processable applications.
URI: https://hdl.handle.net/11499/3820
ISSN: 0013-4651
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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