Controlling liquid spreading using microfabricated undercut edges
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Controlling liquid spreading using microfabricated undercut edges. / Liimatainen, Ville; Sariola, Veikko; Zhou, Quan.
In: Advanced Materials, Vol. 25, No. 16, 24.04.2013, p. 2275-2278.Research output: Contribution to journal › Article › Scientific › peer-review
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TY - JOUR
T1 - Controlling liquid spreading using microfabricated undercut edges
AU - Liimatainen, Ville
AU - Sariola, Veikko
AU - Zhou, Quan
PY - 2013/4/24
Y1 - 2013/4/24
N2 - 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° at the edge are shown, even for low surface tension liquids.
AB - 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° at the edge are shown, even for low surface tension liquids.
KW - anisotropic wetting
KW - contact-line pinning
KW - surface microfluidics
UR - http://www.scopus.com/inward/record.url?scp=84876473793&partnerID=8YFLogxK
U2 - 10.1002/adma.201204696
DO - 10.1002/adma.201204696
M3 - Article
VL - 25
SP - 2275
EP - 2278
JO - Advanced Materials
JF - Advanced Materials
SN - 0935-9648
IS - 16
ER -