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  • Title: Design and fabrication of micro-textures for inducing a superhydrophobic behavior on hydrophilic materials.
    Author: Cao L, Hu HH, Gao D.
    Journal: Langmuir; 2007 Apr 10; 23(8):4310-4. PubMed ID: 17371061.
    Abstract:
    Artificial superhydrophobic surfaces are typically fabricated by tuning the surface roughness of intrinsically hydrophobic surfaces. We report here the design and fabrication of micro-textures for inducing a superhydrophobic behavior on hydrogen-terminated Si surfaces with an intrinsic water contact angle of approximately 74 degrees . The micro-textures consist of overhang structures with well-defined geometries fabricated by microfabrication technologies, which provide positions to support the liquid and prevent the liquid from entering into the indents between the micro-textures. As a result, water is in contact with a composite surface of solid and air, which induces the observed macroscopic superhydrophobic behavior.
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