Journal
ADVANCED MATERIALS
Volume 20, Issue 18, Pages 3453-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.200800160
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- Finnish National Graduate School in Nanoscience (NGS-Nano)
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Dropping in. Chemically modified silicon nanograss combines nanoscale topography with lithographically defined chemical patterns. The material exhibits a high wettability gradient that allows tailoring of complex droplet shapes. The oxidized nanograss is completely wetting, while the polymer-coated nanograss has a contact angle of ca. 170 degrees and is ultrahydrophobic. Novel droplet behavior on these surfaces is studied experimentally.
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