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New triphenylamine-based poly(amine-imide)s with carbazole-substituents for electrochromic applications
Y. Liu; D. M. Chao; H. Y. Yao
2014
Source PublicationOrganic Electronics
ISSN1566-1199
Volume15Issue:7Pages:1422-1431
AbstractA new carbazole-derived triphenylamine-containing diimide-diacid monomer (5), 4,4 '-bis(trimellitimido)-4 ''-N-carbazolytriphenylamine, is prepared by the condensation of 4,4 '-diamino-4 ''-N-carbazolytriphenylamine (4) and two molar equivalents of trimellitic anhydride (TMA). A series of new poly(amide-imide) s (PAIs) 7a-7d with carbazole-substituted triphenylamine units are prepared by direct polymerization from the new diimi-dediacid (5) and various aromatic diamines (6a-6d). The PAIs shows high glass transition temperature between 269 and 297 degrees C, and high 5% weight loss temperature between 526 and 561 degrees C under nitrogen environment. Cyclic voltammograms of the PAIs films, which are casted onto the indium-tin oxide (ITO)-coated glass substrate, exhibit two reversible oxidation redox couples at 1.05-1.08 V and 1.38-1.46 V under an anodic sweep. The PAI-7a film reveals excellent stability of electrochromic characteristics for the radical cations generated, changing color from original pale yellowish neutral form to the green and then to dark blue oxidized forms. Furthermore, the anodically coloring of PAI-7a shows high coloration efficiency (CE = 205 cm(2)/C), high contrast of optical transmittance change (Delta T = 80% at 776 nm) and long-term redox reversibility. (C) 2014 Elsevier B.V. All rights reserved.
description.department[liu, yu] chinese acad sci, inst met res, shenyang 110016, peoples r china. [chao, danming ; yao, hongyan] jilin univ, coll chem, alan g macdiarmid lab, changchun 130023, peoples r china. ; liu, y (reprint author), chinese acad sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china. ; yliu@imr.ac.cn
KeywordPoly(Amide-imide) Synthesis Electrochromic Properties Triphenylamine Carbazole Fluorinated Poly(Ether Imide)s Different Pendant Groups Optical-properties Electropolymerization Polymers Devices Poly(Amine-amide-imide)s Polyimides Copolymers Moieties
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72883
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. Liu,D. M. Chao,H. Y. Yao. New triphenylamine-based poly(amine-imide)s with carbazole-substituents for electrochromic applications[J]. Organic Electronics,2014,15(7):1422-1431.
APA Y. Liu,D. M. Chao,&H. Y. Yao.(2014).New triphenylamine-based poly(amine-imide)s with carbazole-substituents for electrochromic applications.Organic Electronics,15(7),1422-1431.
MLA Y. Liu,et al."New triphenylamine-based poly(amine-imide)s with carbazole-substituents for electrochromic applications".Organic Electronics 15.7(2014):1422-1431.
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