Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 8, Issue 6, Pages 3615-3623Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b07881
Keywords
superhydrophobic; superoleophilic; lubricant-infused; antiwetting; droplet impact
Funding
- National Research Fund for Fundamental Key Projects [2013CB933000]
- National Natural Science Foundation [21421061, 21431009]
- 111 Project [B14009]
- Innovation Foundation of BUAA
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Bioinspired water-repellent materials offer a wealth of opportunities to solve scientific and technological issues. Lotus-leaf and pitcher plants represent two types of antiwetting surfaces, i.e., superhydrophobic and lubricant-infused slippery surfaces. Here we investigate the functions and applications of those two types of interfacial materials. The superhydrophobic surface was fabricated on the basis of a hydrophobic fumed silica nanoparticle/poly(dimethylsiloxane) composite layer, and the lubricant-infused slippery surface was prepared on the basis of silicone oil infusion. The fabrication, characteristics, and functions of both substrates were studied, including the wettability, transparency, adhesive force, dynamic droplet impact, antifogging, self-cleaning ability, etc. The advantages and disadvantages of the surfaces were briefly discussed, indicating the most suitable applications of the antiwetting materials. This contribution is aimed at providing meaningful information on how to select water-repellent substrates to solve the scientific and practical issues, which can also stimulate new thinking for the development of antiwetting interfacial materials.
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