Wetting

Intrinsically robust hydrophobicity

Ceramic surfaces can be rendered hydrophobic by using polymeric modifiers, but these are not robust to harsh environments. A known family of rare-earth oxide ceramics is now found to exhibit intrinsic hydrophobicity, even after exposure to high temperatures and abrasive wear.

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Figure 1: The intrinsic hydrophobicity of lanthanide rare-earth oxides2.
Figure 2: Surface wettability can be enhanced by structured roughness.

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Correspondence to Ye Tian or Lei Jiang.

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Tian, Y., Jiang, L. Intrinsically robust hydrophobicity. Nature Mater 12, 291–292 (2013). https://doi.org/10.1038/nmat3610

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