Journal of Nanomaterials / 2011 / Article / Fig 3

Research Article

Adhesion Mechanism of Water Droplets on Hierarchically Rough Superhydrophobic Rose Petal Surface

Figure 3

Wetting and adhesion mechanism on the high-adhesive superhydrophobic rose petal surface. Air gets entrapped between the micrometric nubs of the surface. Formation of the liquid-solid-air composite interface is essential for superhydrophobicity of the surface. Grooved fine structure on top of the nubs anchors water droplets tightly to the surface.
818707.fig.003

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