Arun K. Kota, Yongxin Li, Joseph M. Mabry and Anish Tuteja Hierarchically Structured Superoleophobic Surfaces with Ultralow Contact Angle Hysteresis Advanced Materials 24
Hierarchically structured, superoleophobic surfaces are demonstrated that display one of the lowest contact angle hysteresis values ever reported – even with extremely low-surface-tension liquids such as n-heptane. Consequently, these surfaces allow, for the first time, even ≈2 μL n-heptane droplets to bounce and roll-off at tilt angles. ≤ 2°.
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