Journal
LANGMUIR
Volume 34, Issue 16, Pages 4732-4738Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.langmuir.8b00496
Keywords
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Funding
- National Creative Research Initiative Program - Korea Ministry of Science, ICT & Future Planning (MSIP) [2010-0018290]
- National Research Foundation of Korea (NRF) grant
- BK21 Plus Program in SNU Chemical Engineering
- Commercialization Promotion Agency for R&D Outcomes Grant - Korean Government (MSIP)
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Here, we propose a simple mechanoresponsive system on patterned soft surfaces to manipulate both anisotropy and orientation of liquid wetting. On the poly(dimethylsiloxane) embedding line patterned structures, additional topographies, such as wrinkles and cracks, can be provided by applying compressive and tensile stress, respectively. This tunable hierarchy of structures with the different scales and directions of lines, wrinkles, and cracks allow the mechanoresponsive control of anisotropic wetting in a single platform. In addition, the wetting behavior on those surfaces is precisely investigated based on the concept of critical contact angle to overcome the ridges in a step flow.
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