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  Study of the buried interface between zinc and emeraldine base coating

Luo, Y., Vimalanandan, A., Wang, X., & Rohwerder, M. (2015). Study of the buried interface between zinc and emeraldine base coating. Electrochimica Acta, 161, 10-16. doi:10.1016/j.electacta.2015.02.082.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0026-A0D1-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0026-A0D2-5
Genre: Journal Article

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 Creators:
Luo, Yizhong1, 2, 3, Author              
Vimalanandan, Ashokanand1, Author              
Wang, Xianhong2, Author              
Rohwerder, Michael1, Author              
Affiliations:
1Corrosion, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_2074315              
2Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun, China, ou_persistent22              
3University of Chinese Academy of Sciences, Beijing, China, ou_persistent22              

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Free keywords: Conducting polymer; Corrosion; Oxide; Polyaniline; Scanning Kelvin Probe
 Abstract: The corrosion protection mechanism by polyaniline based coatings on metals is widely suggested to be due to the formation of an improved interfacial passive layer. However, it is argued against this that just an improved passive layer is not sufficient on metals such as iron and zinc for providing significant delay of cathodic delamination. Instead a significant inhibition of oxygen reduction is required, e.g. by an electronically insulating oxide. In this work results are presented providing proof for the formation of a highly electronically insulating and stable zinc oxide layer underneath an emeraldine base composite coating. It is shown how the Scanning Kelvin Probe (SKP) can be used to screen for such highly insulating oxide layers underneath coatings containing conducting polymer. © 2015 Elsevier Ltd. All rights reserved.

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Language(s): eng - English
 Dates: 2014-11-092015-02-092015-02-102015-04-10
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.electacta.2015.02.082
 Degree: -

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Title: Electrochimica Acta
  Abbreviation : Electrochim. Acta
Source Genre: Journal
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Publ. Info: Oxford, UK : Pergamon-Elsevier Science Ltd
Pages: - Volume / Issue: 161 Sequence Number: - Start / End Page: 10 - 16 Identifier: ISSN: 0013-4686
CoNE: https://pure.mpg.de/cone/journals/resource/954925396434