期刊
ADVANCED ENGINEERING MATERIALS
卷 16, 期 9, 页码 1127-1132出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adem.201300561
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资金
- Foundation for Basic Research [13-03-96112, 14-03-96009]
- Foundation for Assistance to Small Innovative Enterprisesin the Scientific and Technical Field [0001799]
- Ministry of Education of Perm Region [C-26/203]
Omniphobic metallic surfaces obtained with a robust two-stage process are reported. The surfaces demonstrate high apparent contact angles accompanied with a low contact angle hysteresis for a variety of liquids, including water, diidomethane, canola, castor, silicone oils, and crude petroleum oil. The superoleophobicity was achieved by fluorination of the nano-rough aluminum surfaces under treatment with perfluorononanoic acid, as established by TOF-SIMS spectrometry. The stability of the Cassie wetting regime was investigated. The critical surface tension of a liquid corresponding to the onset of wetting transitions was established experimentally.
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