Premium
Hierarchically Structured Superoleophobic Surfaces with Ultralow Contact Angle Hysteresis
Author(s) -
Kota Arun K.,
Li Yongxin,
Mabry Joseph M.,
Tuteja Anish
Publication year - 2012
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.201202554
Subject(s) - materials science , contact angle , hysteresis , tilt (camera) , heptane , surface tension , composite material , surface (topology) , nanotechnology , condensed matter physics , geometry , thermodynamics , physics , mathematics
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°.