Journal
NATURE MATERIALS
Volume 17, Issue 11, Pages 1040-+Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41563-018-0178-2
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Funding
- National Natural Science Foundation of China (NSFC) [51703056, 21707031, 21606081, 21527810, 21521063, 21575036, 21307029, 21221003, 21205034, 21190041]
- National Key Basic Research Program [2011CB911000]
- China Postdoctoral Science Foundation [2016M602402]
- China Scholarship Council [201606130022]
- Natural Science Foundation of Hunan Province of China [2018JJ3028]
- Horizon 2020/European Union [745676]
- Australian Research Council (ARC) Centre of Excellence in Convergent Bio-Nano Science and Technology [CE140100036]
- ARC [FL120100030]
- Marie Curie Actions (MSCA) [745676] Funding Source: Marie Curie Actions (MSCA)
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High-performance coatings that durably and fully repel liquids are of interest for fundamental research and practical applications. Such coatings should allow for droplet beading, roll off and bouncing, which is difficult to achieve for ultralow surface tension liquids. Here we report a bottom-up approach to prepare super-repellent coatings using a mixture of fluorosilanes and cyanoacrylate. On application to surfaces, the coatings assemble into thin films of locally multi-re-entrant hierarchical structures with very low surface energies. The resulting materials are super-repellent to solvents, acids and bases, polymer solutions and ultralow surface tension liquids, characterized by ultrahigh liquid contact angles (>150 degrees) and negligible roll-off angles (-0 degrees). Furthermore, the coatings are transparent, durable and demonstrate universal liquid bouncing, tailored responsiveness and anti-freezing properties, and are thus a promising alternative to existing synthetic super-repellent coatings.
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