期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 114, 期 7, 页码 2936-2940出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp9066422
关键词
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资金
- European Union [IP 03427]
Superhydrophobic silicon nanostructures were fabricated by anisotropic etching of silicon coated with a thin hydrophobic layer. At certain etch parameters, overhanging nanostructures form at the apexes of the rod-shaped tips, This leads to superoleophobic behavior for several oily liquids with contact angles up to 152 degrees and roll-off angle down to 8 degrees. Such nonlithographic nanoscale overhanging Structures can also be added to silicon nanograss by deposition of a thin SiO2 layer, which equips the silicon rods with 100-300 nm sized overhanging Structures. This is a simple, fast, nonlithographic method for introducing amphiphobic behavior on a Surface consisting of vertically aligned micro- or nanostructures.
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