Templating effect of polymeric sulfonic acids on electropolymerization of aniline

被引：32

作者：

Gribkova, O. L. ^{[1
]}

Nekrasov, A. A. ^{[1
]}

Ivanov, V. F. ^{[1
]}

Zolotorevsky, V. I. ^{[1
]}

Vannikov, A. V. ^{[1
]}

机构：

[1] Russian Acad Sci, AN Frumkin Inst Phys Chem & Electrochem, Moscow 119071, Russia

来源：

ELECTROCHIMICA ACTA | 2014年 / 122卷

基金：

俄罗斯基础研究基金会;

关键词：

Polyaniline; Polymeric electrolytes; Conducting polymers; Electropolymerization; in situ AFM; ORIENTED PYROLYTIC-GRAPHITE; ELECTROCHEMICAL SYNTHESIS; GROWTH-MECHANISM; POLYANILINE; NUCLEATION; FILMS; POLYPYRROLE; COMPOSITES; ELECTRODES; SCATTERING;

D O I：

10.1016/j.electacta.2013.12.025

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The electrodeposition of polyaniline (PANI) was carried out in potentiostatic, galvanostatic and potential sweep regimes in the presence of water-soluble polymeric sulfonic acids with different structure. The course of polymerization was traced by chronoamperometry, chronopotentiometry, cyclic voltammetry and in situ AFM measurements. The rigidity of the polyacid backbone, the distance between sulfonic groups on the backbone, the length and rigidity of the side chains containing sulfonic groups were shown to affect the onset potential of aniline oxidation, the character and the rate of the initial stages of PANI/polyacid film growth. AFM data indicated that the structure of the polyacids has a direct influence on the shape of PAN! "nuclei" and the morphology of the film in the early stages of the electropolymerization. The obtained films were characterized by UV-Vis-NIR spectroscopy and cyclic voltammetry. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：150 / 158

页数：9

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