Superhydrophobic films from raspberry-like particles

W. Ming; D. Wu; R. Van Benthem; G. De With

doi:10.1021/nl0517363

Superhydrophobic films from raspberry-like particles

W. Ming, D. Wu, R. Van Benthem, G. De With

Biochemistry, Chemistry, & Physics

Eindhoven University of Technology

Research output: Contribution to journal › Article › peer-review

585 Scopus citations

Abstract

We report a robust procedure for preparing superhydrophobic hybrid films on which the advancing contact angle for water is about 165° and the roll-off angle of a 10-μL water droplet is 3 ± 1°. Dual-size surface roughness, which mimics the surface topology of self-cleaning plant leaves, originates from well-defined silica-based raspberry-like particles that are covatently bonded to an epoxy-based polymer matrix. The roughened surface is chemically modified with a layer of poly(dimethylsiloxane) (PDMS). The robustness and simplicity of this procedure may make widespread applications of so-prepared superhydrophobic films possible.

Original language	English
Pages (from-to)	2298-2301
Number of pages	4
Journal	Nano Letters
Volume	5
Issue number	11
DOIs	https://doi.org/10.1021/nl0517363
State	Published - Nov 2005

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Superhydrophobic films from raspberry-like particles

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