Issue 12, 2015

Assessment of the corrosion protection ability of cysteamine and hybrid sol–gel twin layers on copper in 1% NaCl

Abstract

Hybrid monolayers of 3-glycidoxypropyltrimethoxysilane and tetraethoxysilane have been fabricated onto a cysteamine modified copper surface with a view to achieve maximum corrosion protection. The grafting has been characterized by Fourier transform infrared spectroscopy, scanning electron microscopy, energy-dispersive X-ray spectroscopy and atomic force microscopy. The corrosion inhibiting effect of these twin layers has been investigated by cyclic voltammetry, electrochemical impedance spectroscopy and potentiodynamic polarization studies. The study revealed the efficacy of the twin layers in the protection of copper in a neutral medium.

Graphical abstract: Assessment of the corrosion protection ability of cysteamine and hybrid sol–gel twin layers on copper in 1% NaCl

Article information

Article type
Paper
Submitted
10 Oct 2014
Accepted
19 Dec 2014
First published
22 Dec 2014

RSC Adv., 2015,5, 8693-8705

Assessment of the corrosion protection ability of cysteamine and hybrid sol–gel twin layers on copper in 1% NaCl

N. Karthik and M. G. Sethuraman, RSC Adv., 2015, 5, 8693 DOI: 10.1039/C4RA12138D

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