Multifunctional hyperbranched polyamide: Synthesis and properties

被引：21

作者：

Chao, Danming ^{[1
]}

He, Libing ^{[1
]}

Berda, Erik B. ^{[2
,3
]}

Wang, Shutao ^{[1
]}

Jia, Xiaoteng ^{[1
]}

Wang, Ce ^{[1
]}

机构：

[1] Jilin Univ, Alan G MacDiarmid Inst, Coll Chem, Changchun 130012, Peoples R China

[2] Univ New Hampshire, Dept Chem, Durham, NH 03824 USA

[3] Univ New Hampshire, Mat Sci Program, Durham, NH 03824 USA

来源：

POLYMER | 2013年 / 54卷 / 13期

基金：

中国国家自然科学基金;

关键词：

Multifunctional; Electrochromic performance; Oligoaniline; POLYANILINE; POLYMERS; ANILINE; COPOLYMERS; OLIGOANILINE; COMPOSITE; TRANSPORT; PENDANT;

D O I：

10.1016/j.polymer.2013.04.021

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A novel multifunctional hyperbranched polyamide bearing oligoaniline, azobenzene and triphenylbenzene (PAOAF) has been prepared through a pyridine/LiCI-mediated acylation reaction. The structure of PAOAF was confirmed via nuclear magnetic resonance (NMR), Fourier-transform infrared spectra (FTIR), X-ray diffraction (XRD) and gel permeation chromatography (GPC). The thermal stability was probed via thermogravimetric analysis (TGA). The electrochemical activity of PAOAF was explored by cyclic voltammetry in 1.0 M H2SO4 confirming a surface controlled process. Tunable dielectric property of PAOAF has been accomplished by controlling the isomerization of azobenzene groups using UV/Vis irradiation. The electrochromic performance of a PAOAF/ITO electrode was studied by spectrochronoamperometry in detail, exhibiting good electrochromic properties with high contrast value and satisfactory coloration efficiency. Moreover, the fluorescence of PAOAF was modulated by controlling the oxidation degree of oligoaniline segments because of the energy migration occurring between oligoaniline and triphenylbenzene groups. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：3223 / 3229

页数：7

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