期刊
CHEMPLUSCHEM
卷 80, 期 1, 页码 151-157出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cplu.201402237
关键词
aluminum; carboxylic acids; nanostructures; superoleophobic surfaces; surface chemistry
资金
- National Natural Science Foundation of China [21304025]
- Natural Scientific Research Innovation Foundation at the Harbin Institute of Technology [HIT. NSRIF. 2009087]
- Research Fund for the Doctoral Program of Higher Education of China [20112302120062]
- China Postdoctoral Science Foundation [2011M500650]
- Heilong Jiang Postdoctoral Funds for initiation of scientific research [LBH-Q13063]
Controlling oil adhesion on the superoleophobic surfaces is very important in both fundamental research and practical applications. Herein, we report a new method through modification of mixed carboxylic acid (CH3(CH2)(6)COOH and CF3(CF2)(6)COOH) molecules on hierarchical structured aluminum substrates toward the fabrication of superoleophobic surfaces with tunable adhesion. The oil adhesion can be controlled by changing the concentration of CF3(CF2)(6)COOH (x(F)) in the modified solution. Detailed research indicates that the tunable effect is ascribed to the combined effect of the surface chemistry variation and the hierarchical structures on the substrates. Furthermore, we also demonstrate an application of our surfaces in a droplet-based microreactor. The results reported here can not only provide a new idea for fabrication of superoleophobic surfaces with tunable adhesion but can also potentially be used in many applications, such as microfluidic devices and chemical microreactors.
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