CHARACTERIZATION OF ELECTRODEPOSITED COPOLYMERS OF ANILINE AND METANILIC ACID

被引：39

作者：

LEE, JY

SU, XH

CUI, CQ

机构：

[1] Department of Chemical Engineering, National University of Singapore, Singapore, 0511

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1994年 / 367卷 / 1-2期

关键词：

D O I：

10.1016/0022-0728(93)03014-G

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Copolymers of metanilic acid (MA) and aniline (An) deposited from different ratios of the monomers in 0.1 M H2SO4 were characterized by elemental analysis, Fourier transform IR spectroscopy, UV-visible spectroscopy, cyclic voltammetry and scanning electron microscopy. The presence of a polyaniline (PAn)-like structure in the copolymers was ascertained, although the copolymers possessed distinctly different morphologies and electrochemical behaviour in mineral acids. The copolymers were doped intramolecularly (''self-doping'') by the sulfphonate functional group of MA and intermolecularly by the electrolyte anions. The total doping seemed to be limited to 50% but the extent of intramolecular doping versus intermolecular doping could be changed by adjusting the MA/An ratio in the starting mixture.

引用

页码：71 / 78

页数：8

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