Superhydrophobic Films from Raspberry-like Particles

W. Ming; Di Wu; R.A.T.M. Benthem, van; G. With, de

doi:10.1021/nl0517363

Superhydrophobic Films from Raspberry-like Particles

W. Ming, Di Wu, R.A.T.M. Benthem, van, G. With, de

Materials and Interface Chemistry

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

573 Citations (Scopus)

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 covalently 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
Journal	Nano Letters
Volume	5
Issue number	11
DOIs	https://doi.org/10.1021/nl0517363
Publication status	Published - 2005

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Superhydrophobic Films from Raspberry-like Particles

Abstract

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