Spontaneous formation of microwrinkles on metal microdot arrays by shrinkage of thermal shrinkable substrate

Hiroshi Yabu, Yasutaka Matsuo, Kuniharu Ijiro, Fumiaki Nishino, Toshihiko Takaki, Masahiro Kuwahara, Masatsugu Shimomura

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Honeycomb-patterned polymer films prepared by the simple casting of a polymer solution under humid conditions were used as templates for metal microdot arrays formed on shrinkable polymer substrates by metal sputtering. After thermal shrinkage of the substrate, the periodicity of the metal microdots was reduced. In addition, microwrinkles were formed on the metal microdots. The wavelength and arrangement of the microwrinkles were changed with the metal sputtering time and the diameter of the metal microdots. A clear confinement effect was observed in the formation of the microwrinkles.

Original languageEnglish
Pages (from-to)23-27
Number of pages5
JournalACS Applied Materials and Interfaces
Volume2
Issue number1
DOIs
Publication statusPublished - 2010 Jan 27

Keywords

  • Confinement
  • Metal microdot
  • Microwrinkles
  • Self-organization
  • Shrinkable substrate

ASJC Scopus subject areas

  • Materials Science(all)

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