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

Daisuke Ishii, Hiroshi Yabu, Masatsugu Shimomura

Research output: Contribution to journalArticlepeer-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 languageEnglish
Pages (from-to)1799-1801
Number of pages3
JournalChemistry of Materials
Volume21
Issue number9
DOIs
Publication statusPublished - 2009 May 12

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

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