Facile approach in fabricating superhydrophobic and superoleophilic surface for water and oil mixture separation.

ACS applied materials & interfaces

PubMedID: 20356134

Wang C, Yao T, Wu J, Ma C, Fan Z, Wang Z, Cheng Y, Lin Q, Yang B. Facile approach in fabricating superhydrophobic and superoleophilic surface for water and oil mixture separation. ACS Appl Mater Interfaces. 2009;1(11):2613-7.
Metal copper mesh with superhydrophobic and superoleophilic surface had been successfully fabricated via a facile solution-immersion process. The hierarchical structure was prepared on the commercial copper mesh surface by etching with the nitric acid. After being modified by 1-hexadecanethiol (HDT), the as-prepared mesh indicated both superhydrophobic and superoleophilic property simultaneously. This as-prepared metal mesh could then be applied for oil and water mixture separation. The unusual wettability of the as-prepared mesh was stable in corrosive conditions, such as acidic, basic, and salt solutions. The solution-immersion method was simple, time-saving, and inexpensive and therefore exhibited great potential application.