Oil Nanofilm around a Micro-scale Water Droplet

Anand 2015 image 2
Image: Konrad Rykaczewski (ASU) & Sushant Anand (MIT)

Water vapor condensation on microtextured surface saturated with low viscosity (10 cSt) silicone oil resulted in formation of a micro-droplet. The visualization shows the presence of a thin nano-film of silicone oil uniformly coating the water droplet. Within the oil nanofilm, we observe two separate nanoscale droplets near the top of the droplet.

Related Abstract

Gray arrow  http://meeting.aps.org/Meeting/MAR15/Session/J34.11