期刊
ADVANCED MATERIALS
卷 25, 期 16, 页码 2275-2278出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201204696
关键词
surface microfluidics; anisotropic wetting; contact-line pinning
类别
资金
- Graduate School of Electronics, Telecommunication and Automation
- Academy of Finland [134206]
- Academy of Finland (AKA) [134206, 134206] Funding Source: Academy of Finland (AKA)
A purely topographical method for controlling liquid spreading by using easy-to-fabricate undercut edges is reported. By periodic repetition of such edges, it is shown that multiple droplets can be patterned in well-controlled shapes, and highly anisotropic wetting can also be achieved at a large scale. Apparent contact angles close to 180 degrees at the edge are shown, even for low surface tension liquids.
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