Simple fabrication of hierarchical structures on a polymer surface

Document Type

Conference Proceeding

Publication Date

11-9-2010

Abstract

The ability to fabricate hierarchical structures has drawn significant interest as a means of achieving superhydrophobic surfaces. Water repellency has potential industrial importance, such as self-cleaning, anti-oxidation and minimization of the resistance against liquid flow in microfluidic systems. In this paper we introduce a simple and fast technique to fabricate hierarchical structures on polymer surface in order to achieve a superhydrophobic surface. In the first step microstructures were fabricated on surface of poly(methyl methacrylate) using a sand paper. In order to make nanostructures on top of microstructures O2 reactive ion etching was employed. In the last step the surface was coated with fluorinated silane molecules to lower its surface energy. Static and dynamic contact angle measurement showed water contact angles were higher than 150° and sliding angles were 2° on the fabricated surface.

Publication Source (Journal or Book title)

Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites - Technical Proceedings of the 2010 NSTI Nanotechnology Conference and Expo, NSTI-Nanotech 2010

First Page

665

Last Page

668

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