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Materials 2017, 10(11), 1229;

A Rapid One-Step Process for Fabrication of Biomimetic Superhydrophobic Surfaces by Pulse Electrodeposition

School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
School of Metallurgy and Materials, The University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Author to whom correspondence should be addressed.
Received: 6 September 2017 / Revised: 20 October 2017 / Accepted: 21 October 2017 / Published: 25 October 2017
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Inspired by some typical plants such as lotus leaves, superhydrophobic surfaces are commonly prepared by a combination of low surface energy materials and hierarchical micro/nano structures. In this work, superhydrophobic surfaces on copper substrates were prepared by a rapid, facile one-step pulse electrodepositing process, with different duty ratios in an electrolyte containing lanthanum chloride (LaCl3·6H2O), myristic acid (CH3(CH2)12COOH), and ethanol. The equivalent electrolytic time was only 10 min. The surface morphology, chemical composition and superhydrophobic property of the pulse electrodeposited surfaces were fully investigated with SEM, EDX, XRD, contact angle meter and time-lapse photographs of water droplets bouncing method. The results show that the as-prepared surfaces have micro/nano dual scale structures mainly consisting of La[CH3(CH2)12COO]3 crystals. The maximum water contact angle (WCA) is about 160.9°, and the corresponding sliding angle is about 5°. This method is time-saving and can be easily extended to other conductive materials, having a great potential for future applications. View Full-Text
Keywords: biomimetic; superhydrophobic; contact angle; pulse electrodeposition; duty ratio biomimetic; superhydrophobic; contact angle; pulse electrodeposition; duty ratio

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Jiang, S.; Guo, Z.; Liu, G.; Gyimah, G.K.; Li, X.; Dong, H. A Rapid One-Step Process for Fabrication of Biomimetic Superhydrophobic Surfaces by Pulse Electrodeposition. Materials 2017, 10, 1229.

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