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Issue 121, 2015
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One-step electrodeposition fabrication of a superhydrophobic surface on an aluminum substrate with enhanced self-cleaning and anticorrosion properties

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Abstract

This paper presents a facile, low-cost, one-step approach to fabricate a superhydrophobic surface via electrodepositing aluminum in an ethanol solution containing cerium nitrate hexahydrate and myristic acid. The wettability, morphology and chemical composition of the as-prepared surfaces were characterized by water contact angle (WCA), scanning electron microscopy (SEM), energy dispersive spectrometry (EDS), and Fourier transform infrared spectroscopy (FTIR). The highest WCA of the as-prepared surface after the one-step electrodeposition process reaches 162.1°. Water droplet adhesion force, water stream reflecting, water droplet bouncing, and self-cleaning properties were investigated respectively. Potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) tests demonstrated that the as-prepared superhydrophobic surface greatly improved the corrosion resistance of the aluminum substrate. The corrosion current density (Icorr) of the as-prepared superhydrophobic surface is smaller by more than 3 orders of magnitude. The presented method is facile, low-cost, and relatively environmentally friendly, and has promising applications in anticorrosion and anticontamination fields.

Graphical abstract: One-step electrodeposition fabrication of a superhydrophobic surface on an aluminum substrate with enhanced self-cleaning and anticorrosion properties

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Publication details

The article was received on 15 Oct 2015, accepted on 13 Nov 2015 and first published on 16 Nov 2015


Article type: Paper
DOI: 10.1039/C5RA21525K
Author version available: Download Author version (PDF)
Citation: RSC Adv., 2015,5, 100000-100010
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    One-step electrodeposition fabrication of a superhydrophobic surface on an aluminum substrate with enhanced self-cleaning and anticorrosion properties

    B. Zhang, Y. Li and B. Hou, RSC Adv., 2015, 5, 100000
    DOI: 10.1039/C5RA21525K

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