Transactions of the Materials Research Society of Japan
Online ISSN : 2188-1650
Print ISSN : 1382-3469
ISSN-L : 1382-3469
Regular Papers
Wettability of Biomimetic Metal-Dome and Polymer-Pillar Hybrid Structured Surfaces Regulated by the Metal-Dome Density
Daisuke IshiiMasatsugu Shimomura
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2012 年 37 巻 4 号 p. 537-539

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We demonstrated that wettability of metal-dome and polymer-pillar hybrid structured surfaces regulated by difference of dome density. The metal-dome and polymer-pillar hybrid surface was prepared by simple all-wet electroless plating of self-organized honeycomb-patterned porous films, and was composed of three independent components; micro-scaled metal-domes, nano-scaled polymer-pillars, and air pockets. The metal-dome density was changed from 0 to 100% only by temperatures of the catalytic solution before electroless plating. Water contact angles of the hybrid surfaces having different dome density were well conformed to the Cassie-Baxter equation. It was obvious from the results that the Cassie-Baxter equation could be adapted to structural surfaces composed of three components.
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© 2012 The Materials Research Society of Japan
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