Fabrication of Superhydrophobic Surfaces on Copper Foil with Stearic Acid

Abstract:

Superhydrophobic surface was prepared by hydrothermal method on copper substrate via immersing the clean pure copper substrate into the mixed solution of H₂O₂ and C₂H₅OH, and then the substrate was heated at 100°C for 1.5 h, followed by modifying with stearic acid. The product was characterized by scanning electron microscopy and X-ray photoelectron spectroscopy. The wettability of the products was also investigated. It was found that the as-prepared surface had a high water contact angle of about 153°. SEM images of the film showed that many irregular micro-nano sheets distributed on the surface in a random pattern. The special porous architecture, with the low surface energy leads to the surface superhydrophobicity.

• Periodical: Advanced Materials Research (Volumes 295-297)
• Pages: 921-924
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.295-297.921
• Online since: July 2011
• Authors: Li Bo Wang, Yang Lu, Xin Xin Cao
• Keywords: Copper Foil, Hydrothermal Method, Superhydrophobic, Surface, Thin Film

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