Nano-disks prepared from block copolymer nanoparticles with lamellar structures

Takeshi Higuchi, Hiroshi Yabu, Masatsugu Shimomura

Research output: Contribution to conferencePaperpeer-review

Abstract

It is known that block copolymers are formed micro-phase separation structures in their thin films. We have reported that the block copolymer nano-particles with micro-phase separation structures can be prepared by evaporation of THF from the THF/water mixing solution of the block copolymer. In this study, we prepared the nanosized disk structures from the block copolymer nanoparticles. After selective cross-linking of isoprene double bonds in nanopartiles with OsO4, the solvent was exchanged from water to THF, which is a good solvent of polystyrene, and the solution was sonicated. From results of STEM observation, the nano-disk structures were formed. Thickness of disk structures was ca. 40 nm measured by AFM.

Original languageEnglish
Pages3433
Number of pages1
Publication statusPublished - 2006
Event55th Society of Polymer Science Japan Symposium on Macromolecules - Toyama, Japan
Duration: 2006 Sep 202006 Sep 22

Other

Other55th Society of Polymer Science Japan Symposium on Macromolecules
CountryJapan
CityToyama
Period06/9/2006/9/22

Keywords

  • Block copolymer
  • Disk structure
  • Nanoparticle
  • Phase separation structure
  • Self-organization

ASJC Scopus subject areas

  • Engineering(all)

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