The 78th JSAP Autumn Meeting, 2017

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12 Organic Molecules and Bioelectronics » 12.3 Functional Materials and Novel Devices

[6a-C11-1~11] 12.3 Functional Materials and Novel Devices

Wed. Sep 6, 2017 9:00 AM - 12:00 PM C11 (Office 1)

Koichi Okamoto(Kyushu Univ.), Takeshi Yamao(Kyoto Inst. of Tech.)

9:15 AM - 9:30 AM

[6a-C11-2] Water collection by hierarchical patterning of surface wettability

〇Hiroyuki Kai1, Ryoma Toyosato1, Matsuhiko Nishizawa1 (1.Tohoku Univ.)

Keywords:microfluidic device, surface wettability

A superhydrophobic substrate was prepared by spraying an ethanol suspension of TiO2 nanoparticles and Capstone(R) fluorinated polymer on a PET film, according to the previous report. We designed a photomask with hierarchical branching, and irradiated UV light on the substrate to make a superhydrophilic fluidic pattern, which exhibited a directional fluid collection capability on the surface.