Unraveling the Salvinia paradox: design principles for submerged superhydrophobicity
arXiv:1612.01769 · doi:10.1002/admi.201500248
Abstract
The complex structure of the Salvinia molesta is investigated via rare event molecular dynamics simulations. Results show that a hydrophilic/hydrophobic patterning together with a re-entrant geometry control the free energy barriers for bubble nucleation and for the Cassie-Wenzel transition. This natural paradigm is translated into simple macroscopic design criteria for engineering robust superhydrophobicity in submerged applications.
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