One-step polypyrrole electrodeposition on zinc and other oxidizable metals in aqueous media

被引:2
作者
Hermelin, E [1 ]
Petitjean, J
Aeiyach, S
Lacroix, JC
Lacaze, PC
机构
[1] Univ Paris 07, Inst Topol & Dynam Syst, CNRS, UPRES A 7086, Paris, France
[2] LEDEPP, Usinor Rech & Dev, Florange, France
来源
REVUE DE METALLURGIE-CAHIERS D INFORMATIONS TECHNIQUES | 2000年 / 97卷 / 12期
关键词
D O I
10.1051/metal:2000123
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
Polypyrrole films are electrodeposited on zinc and other common metals in a one-step process by using a salicylate salt in a pH 5 aqueous solution of pyrrole. This electrolyte passivates the substrate and makes it possible to obtain strongly adherent PPy films, with controlled thickness by electrolysis at constant current. With this technique, the current efficiency is quantitative and the deposition rate is high enough to be compatible with the imperatives of industrial production (2 mum in 3 s with a 200 mA/cm(2) current density).
引用
收藏
页码:1501 / 1508
页数:8
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