期刊
ACS APPLIED MATERIALS & INTERFACES
卷 8, 期 50, 页码 34810-34819出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b09879
关键词
slippery surfaces; transparent; antibiofouling; stability; sol-gel process
资金
- National Natural Science Foundation of China (NSFC) [21676248, 21576236, 21476195]
- Zhejiang Provincial Natural Science Foundation of China [Y14B060038]
- Zhejiang Provincial Major Project of Science Technology [2014C13SAA10006]
Slippery liquid-infused surfaces (SLIPS) have aroused widespread attention due to their excellent liquid repellency properties associated with broad applications in various fields. However, the complicated preparation processes and the vulnerable surface lubricant layers severely restrict the practical applications of SLIPS. In this work, robust transparent slippery hybrid coatings (SHCs) were easily fabricated by the infusion of sol gel-derived nanocomposite coatings in silicone oils of varying viscosity. The prepared silicone oil infused surfaces exhibited outstanding long-term slippery stability even under extreme operating conditions such as high shear rate, elevated evaporation, and flowing aqueous immersion. Static bacteria culture tests confirmed that the SHCs could significantly inhibit biofilm formation. In addition, bovine serum albumin adhesion experiments were conducted after lubricant loss tests, showing significantly less protein absorption and a long service life of the SLIPS. The unique ultralow bacterial attachment and remarkably long-term protein-resistant performance render the as-prepared SLIPS as a promising candidate for biomedical applications even under harsh environmental conditions.
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