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Directed Water Shedding on High‐Aspect‐Ratio Shape Memory Polymer Micropillar Arrays
Author(s) -
Chen ChiMon,
Yang Shu
Publication year - 2014
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201304030
Subject(s) - materials science , shape memory polymer , pillar , wetting , aspect ratio (aeronautics) , contact angle , polymer , composite material , shape memory alloy , nanotechnology , mechanical engineering , engineering
A reconfigurable, droplet‐directing surface is developed based on high‐aspect‐ratio shape‐memory polymer (SMP) pillars. The water droplet on the original or recovered SMP pillars can slide off the surface at a finite angle of inclination while being fully pinned on the deformed pillar array. This wettability contrast allows directed water shredding from the straight pillars to the deformed ones.