Lidiya Mishchenko, Mughees Khan, Joanna Aizenberg and Benjamin D. Hatton Spatial Control of Condensation and Freezing on Superhydrophobic Surfaces with Hydrophilic Patches Advanced Functional Materials 23
Localized patterning of hydrophilic regions on microstructured post arrays can be used to control the spatial distribution and size of water condensation droplets at the micrometer scale. The evolution of the droplet growth and coalescence is observed in situ by optical and electron microscopy. Freezing of the droplets is controlled by heterogeneous nucleation seed particles (AgI) on the post tips.
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