期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 400, 期 -, 页码 123-129出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2013.02.037
关键词
Superamphiphobic; Anodization; Switchable; Plasma treatment; Large-area
资金
- Ministry of Knowledge Economy, Republic of Korea
- Global Scholarship Program for Foreign Graduate Students at Kookmin University, Korea
- Global Excellent Technology Innovation R&D Program and Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) [20114010100070]
Superamphiphobic functional Ti foils were fabricated using anodization techniques. By varying the supply voltage and anodization time, a two-step anodization method was used to maximize the contact angle of water and various oils. The morphology of the TiO2 nanotube surface is important to achieve superamphiphobicitiy. The anodized surface maintained good superamphiphobic stability with long-term storage. Furthermore, the wettability properties toward both water and various oils can be easily and reversibly switched from hydrophobic and oleophobic to hydrophilic and oleophilic, respectively, and vice versa via air-plasma treatment and fluorination. The developed simple technique can be applied to any large-area three-dimensional surfaces to fabricate amphiphobic Ti surfaces. (C) 2013 Elsevier Inc. All rights reserved.
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