Novel and facile method for fabrication of robust superhydrophobic film on copper surface and its chemical, mechanical, and corrosion performance

Superhydrophobic films were successfully designed for a copper substrate using potentiostatic deposition of Ni and Ni-graphene composite followed by treatment with stearic acid (SA). A scanning electron microscope was used to examine the surface morphology of the prepared superhydrophobic films, and...

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Bibliographic Details
Published inSurface engineering Vol. 37; no. 10; pp. 1255 - 1265
Main Authors Mohamed, M. E., Mahgoub, F. M., Ragheb, D. M., Abdel-Gaber, A.M.
Format Journal Article
LanguageEnglish
Published London, England Taylor & Francis 03.10.2021
SAGE Publications
Subjects
chemical stability
copper substrate
corrosion resistance
graphene coatings
mechanical stability
nickel coatings
stearic acid
Superhydrophobic surfaces
chemical stability
stearic acid
Superhydrophobic surfaces
graphene coatings
mechanical stability
nickel coatings
copper substrate
corrosion resistance
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Summary:Superhydrophobic films were successfully designed for a copper substrate using potentiostatic deposition of Ni and Ni-graphene composite followed by treatment with stearic acid (SA). A scanning electron microscope was used to examine the surface morphology of the prepared superhydrophobic films, and the results revealed that both Ni-SA and Ni-graphene-SA films have micro-nano structures. FTIR measurements revealed that the copper substrates had been coated with Ni-SA and Ni-graphene-SA films. The Ni-graphene-SA film has the highest chemical stability and mechanical abrasion resistance. Potentiodynamic polarization and electrochemical impedance spectroscopy results indicated that the formulated superhydrophobic films on the copper substrate have high corrosion resistance in 0.5 M NaCl.
ISSN:0267-0844
1743-2944
DOI:10.1080/02670844.2021.1951502