NDLI: Aspects of polyaniline electrodeposition on aluminium

Content Provider	Springer Nature Link
Author	Huerta Vilca, Domingo Moraes, Sandra Regina Jesus Motheo, Artur
Copyright Year	2004
Abstract	Electrodeposition of polyaniline (PAni) from acid solutions on spontaneous passivating electrodes such as Al is not so obvious as on active metals (Fe and Ni). The methods that can result in deposition are: (1) surface pre-treatment with a chelating agent (alizarin) to block the hydrogen evolution reaction on aluminium and (2) a suitable monomer concentration (critical monomer concentration) to decrease the polymerisation induction time. The oxidation of aluminium to thick porous film limits the growth kinetics of PAni during deposition by cyclic voltammetry. We found that after reducing hydrogen evolution by surface chelation, for film growing in 0.5 M H2SO4 a concentration of 0.4 M aniline is required.
Starting Page	416
Ending Page	420
Page Count	5
File Format	PDF
ISSN	14328488
Journal	Journal of Solid State Electrochemistry
Volume Number	9
Issue Number	6
e-ISSN	14330768
Language	English
Publisher	Springer-Verlag
Publisher Date	2004-09-02
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Aluminium Polyaniline Chelating agent Monomer concentration Electrochemical synthesis
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Materials Science Electrical and Electronic Engineering Electrochemistry

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Aspects of polyaniline electrodeposition on aluminium