Novel biomimetic surface based on a self-organized metal-polymer hybrid structure

Daisuke Ishii; Hiroshi Yabu; Masatsugu Shimomura

doi:10.1021/cm9006926

Novel biomimetic surface based on a self-organized metal-polymer hybrid structure

Daisuke Ishii, Hiroshi Yabu, Masatsugu Shimomura

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

88 Citations (Scopus)

Abstract

A biomimetic hybrid surface based on superhydrophobic polymer microscopic structured surfaces with metal microdomains as hydrophilic components was reported. The hybrid surface was prepared by nickel electroless plating of self-organized honeycomb-patterned polystyrene-based films (HP film) formed by breath figuring, and successive simple peeling of the plated HP film. The HP film consists of hexagonally ordered array of microcavities having a center-to-center interval of about 10 μm and many narrow pillars that hold the top and bottom porous layers together. The thermal-treated water droplet of 5.5 mg remained strongly attached to the hybrid film even when the surface was inverted, whereas the same mass of a water droplet before thermal treatment rolled off the hybrid surface with a sliding angle of 75°. The apparent contact area decreased gradually on further evaporation of the droplet.

Original language	English
Pages (from-to)	1799-1801
Number of pages	3
Journal	Chemistry of Materials
Volume	21
Issue number	9
DOIs	https://doi.org/10.1021/cm9006926
Publication status	Published - 2009 May 12

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Materials Chemistry

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abstract = "A biomimetic hybrid surface based on superhydrophobic polymer microscopic structured surfaces with metal microdomains as hydrophilic components was reported. The hybrid surface was prepared by nickel electroless plating of self-organized honeycomb-patterned polystyrene-based films (HP film) formed by breath figuring, and successive simple peeling of the plated HP film. The HP film consists of hexagonally ordered array of microcavities having a center-to-center interval of about 10 μm and many narrow pillars that hold the top and bottom porous layers together. The thermal-treated water droplet of 5.5 mg remained strongly attached to the hybrid film even when the surface was inverted, whereas the same mass of a water droplet before thermal treatment rolled off the hybrid surface with a sliding angle of 75°. The apparent contact area decreased gradually on further evaporation of the droplet.",

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