Synthesis and electropolymerization of 5,12-dihydrothieno[3′,4′:2,3][1,4]dioxocino[6,7-b]-quinoxaline and its electrochromic properties

被引：14

作者：

Ak, Mine Sulak

Ak, Metin

Guellue, Mustafa

Toppare, Levent ^{[1
]}

机构：

[1] Middle E Tech Univ, Dept Chem, TR-06531 Ankara, Turkey

[2] Ankara Univ, Dept Chem, TR-06100 Ankara, Turkey

来源：

EUROPEAN POLYMER JOURNAL | 2007年 / 43卷 / 08期

关键词：

conducting polymers; dioxocino quinoxalines; electrochemical polymerization; electrochromic devices; electrochromism; spectroelectrochemistry;

D O I：

10.1016/j.eurpolymj.2007.05.029

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Synthesis of a new thiophene-based monomer; 5,12-dihydrothieno[3',4':2,3][1,4]dioxocino[6,7-b]quinoxaline (DDQ), was realized. The chemical structure of the monomer was characterized by H-1 NMR, FTIR and mass spectroscopy techniques. Electrochemical polymerization of DDQ and characterization of the resulting polymer [P(DDQ)] was performed. Moreover, the spectroelectrochemical and electrochromic properties of the polymer film were investigated. P(DDQ) has a low oxidation potential (0.9 V) and low band gap (1.73 eV) compared to polythiophene. In addition, dual-type polymer electrochromic device (ECD) based on P(DDQ) with poly(3,4-ethylenedioxythiophene) (PEDOT) was constructed. Spectroelectrochemistry, electrochromic switching, stability and open-circuit stability of the device were studied. It was observed that polymer have good switching time, reasonable contrast and optical memory. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：3452 / 3460

页数：9

共 20 条

[1] Synthesis and characterization of a bifunctional amido-thiophene monomer and its copolymer with thiophene and electrochemical properties [J].