Figure 6.

Illustration of the difference between the Cassie–Baxter and Wenzel states: (a) after deposition of the liquid drops on the surface, (b) after evaporation [24]. Reprinted with permission from [24]. Copyright 2007 Royal Society of Chemistry

Verplanck et al. Nanoscale Research Letters 2007 2:577-596   doi:10.1007/s11671-007-9102-4