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Open AccessFeature PaperArticle

Electrochemical and Surface Analysis of 2-Phenylimidazole Adsorbed on Copper from Chloride Solution

1
Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova Ulica 17, Maribor 2000, Slovenia
2
Faculty of Natural Sciences, University of Tirana, Boulevard “Zogu I”, Tirana 1001, Albania
*
Author to whom correspondence should be addressed.
Coatings 2018, 8(7), 234; https://doi.org/10.3390/coatings8070234
Received: 16 May 2018 / Revised: 20 June 2018 / Accepted: 2 July 2018 / Published: 3 July 2018
(This article belongs to the Special Issue Corrosion Characterization and Surface Analysis of Metallic Materials)
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Abstract

The electroanalytical and surface characterization of copper immersed in 3 wt.% NaCl solution containing 1 mM of 2-phenylimidazole (2PhI) is presented. It was proven that 2PhI can be employed as corrosion inhibitor for copper using various electrochemical analyses, such as cyclic voltammetry, chronopotentiometry, electrochemical impedance spectroscopy, and potentiodynamic curve measurements. The adsorption of 2PhI on copper was further analyzed by 3D-profilometry, attenuated total reflectance Fourier transform infrared spectroscopy, contact angle measurements, and scanning electron microscopy equipped with an energy dispersive X-ray spectrometer. This system was therefore comprehensively described by various analytical approaches. View Full-Text
Keywords: corrosion inhibitor; copper; electrochemical impedance spectroscopy (EIS); cyclic voltammetry; attenuated total reflectance Fourier transform infrared (ATR-FTIR) corrosion inhibitor; copper; electrochemical impedance spectroscopy (EIS); cyclic voltammetry; attenuated total reflectance Fourier transform infrared (ATR-FTIR)
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Finšgar, M.; Xhanari, K. Electrochemical and Surface Analysis of 2-Phenylimidazole Adsorbed on Copper from Chloride Solution. Coatings 2018, 8, 234.

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