Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 12, Issue 22, Pages 25471-25477Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c05954
Keywords
SLIPS; water repellency; anti-icing; deicing; self-healing
Funding
- National Natural Science Foundation of China [51605073]
- Fundamental Research Funds for the Central Universities [DUT18RC(3)048, DUT19RC(3)055]
- Liao Ning Revitalization Talents Program [XLYC1807092]
- Young Overseas High-Level Talents Introduction Plan
- Star Ocean Outstanding Talents Program
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Slippery liquid-infused porous surfaces (SLIPSs) have recently been intensively investigated because of promising potential in various applications that require water repellency. However, the use of SLIPS is limited by its unsatisfactory oil-storage and -replacement capabilities. Here we designed network surface structures with interconnected microchannels and cross-linked nanosheets, which acted as natural oil reservoirs and vessels. A lubricant can be firmly locked and stored into the networks, leading to an efficient water repellency as well as improved mechanical durability and stability. We further show the surface structures can be applied to anti-icing/deicing, demonstrated by its improved icing-delaying, anti-icing, and deicing properties even after multiple cycles, compared to those on superhydrophobic surfaces (SHSs) and the conventional SLIPSs. We envision that this unique design of the slippery liquid-infused porous network surface (SLIPNS) with robust stability and durability may expand its application in extreme environments.
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