Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 135, Issue 2, Pages 578-581Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja310517s
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Funding
- Air Force Office of Scientific Research (AFOSR) [FA9550-11-1-0017, LRIR-12RZ03COR]
- Hunan University
- China Scholarship Council
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Superomniphobic surfaces display contact angles >150 degrees and low contact angle hysteresis with essentially all contacting liquids. In this work, we report surfaces that display superomniphobicity with a range of different non-Newtonian liquids, in addition to superomniphobicity with a wide range of Newtonian liquids. Our surfaces possess hierarchical scales of re-entrant texture that significantly reduce the solid-liquid contact area. Virtually all liquids including concentrated organic and inorganic acids, bases, and solvents, as well as viscoelastic polymer solutions, can easily roll off and bounce on our surfaces. Consequently, they serve as effective chemical shields against virtually all liquids-organic or inorganic, polar or nonpolar, Newtonian or non-Newtonian.
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