A new electrochromic copolymer based on dithienylpyrrole and EDOT

被引：25

作者：

Algi, Melek Pamuk ^{[1
]}

Oztas, Zahide ^{[1
]}

Tirkes, Seha ^{[2
]}

Cihaner, Atilla ^{[2
]}

Algi, Fatih ^{[1
]}

机构：

[1] Canakkale Onsekiz Mart Univ, Lab Organ Mat LOM, TR-17100 Canakkale, Turkey

[2] Atilim Univ, Atilim Optoelect Mat & Solar Energy Lab ATOMSEL, TR-06836 Ankara, Turkey

来源：

ORGANIC ELECTRONICS | 2013年 / 14卷 / 04期

关键词：

Multicolor electrochromism; Camouflage; Dithienylpyrrole; EDOT; FIELD-EFFECT TRANSISTORS; LIGHT-EMITTING-DIODES; SOLAR-CELLS; ELECTROCHEMICAL POLYMERIZATION; ORGANIC PHOTOVOLTAICS; FLUORESCENT POLYMER; ELECTROPOLYMERIZATION; EFFICIENCY; DEVICES; BODIPY;

D O I：

10.1016/j.orgel.2013.01.036

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new compound, namely diethyl 2,5-di(thiophen-2-yl)-1H-pyrrole-3,4-dicarboxylate (1), was copolymerized with 3,4-ethylenedioxythiophene (EDOT) via electrochemical method. The copolymer exhibits multicolor electrochromic property: It is found that the copolymer, poly(1-co-EDOT), has a specific optical band gap (1.71 eV) to reflect and/or transmit reddish brown color in the neutral state, and it can be switched to reddish orange, orange, yellowish green and blue colors upon oxidation in a low switching time (1.0 s). Importantly, these colors are essential for camouflage and/or full color electrochromic device/display applications. In addition to these, the obtained copolymer has a coloration efficiency of 173 cm(2)/C at 500 nm. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：1094 / 1102

页数：9

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