Characterization of Copper Coating Electrodeposited on Stainless Steel Substrate

The production of copper based products is increased significantly over the years due to a huge industrial interest. This has caused severe depletion of the primary copper ore reserves and the price of solid copper is set to rise. One way of reducing the cost of using solid copper is by producing co...

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Bibliographic Details
Published in:International journal of electrochemical science 2017-07, Vol.12 (7), p.6010-6021
Main Authors: Isa, Nik Norziehana Che, Mohd, Yusairie, Zaki, Mohammad Hafizudden Mohd, Mohamad, Sharifah Aminah Syed
Format: Article
Language:English
Subjects:
Copper
Copper coating
Cyclic voltammetry
Electrodeposition
Nucleation
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Summary:The production of copper based products is increased significantly over the years due to a huge industrial interest. This has caused severe depletion of the primary copper ore reserves and the price of solid copper is set to rise. One way of reducing the cost of using solid copper is by producing copper coating which is coated on other cheaper substrates such as stainless steel or aluminum. In this study, copper coating was successfully coated on stainless steel substrate from acidic copper sulfate solution by electrodeposition technique. The characteristic of electrochemical reaction of copper on stainless steel was investigated using cyclic voltammetry. Chronoamperometry was used to further elucidate the nucleation and growth of the copper on stainless substrate. The copper coating was characterized for its surface morphology and crystallography by FESEM and XRD, respectively. A uniform and well adhered copper coating consisting of spherical particles was formed on the stainless steel surface. The particle size, density and surface coverage of copper coating are strongly dependent on deposition conditions (i.e.: applied potential and deposition time) used. XRD patterns confirmed that uniform red-brown color coating deposited on the stainless steel substrate was pure copper with face centered cubic (FCC) crystal lattice. The copper coating can be further investigated for its application for antimicrobial coating.
ISSN:1452-3981
1452-3981
DOI:10.20964/2017.07.58