Anisotropic self-assembly of gold nanoparticle grafted with polyisoprene and polystyrene having symmetric polymer composition

Tatsuhiro Nakano, Daisuke Kawaguchi, Yushu Matsushita

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Methodology to self-assemble metal nanoparticles into three-dimensional mesoscale patterns is a fundamental technique to construct functional materials. Here, we demonstrate that hybridizing an immiscible polymer pair with a metal nanoparticle allows the hybrid to self-assemble in the film, resulting in spontaneous alignment of the nanoparticles at the phase-separated interface formed by the constituent polymers. Organic-inorganic hybrids composed of polyisoprene, polystyrene, and gold nanoparticle were prepared by multistep "grafting-to" method coupled with alkyne-azide click reaction. The polymer composition can be controlled by the feed ratio of gold nanoparticle to azide ligands. The gold nanoparticle hybrid with symmetric polymer composition forms an "alternating lamellar" structure of polyisoprene and polystyrene, where the gold nanoparticles were forced into the phase-separated interfaces.

Original languageEnglish
Pages (from-to)6798-6801
Number of pages4
JournalJournal of the American Chemical Society
Volume135
Issue number18
DOIs
Publication statusPublished - May 8 2013

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Polyisoprenes
Polystyrenes
Gold
Nanoparticles
Self assembly
Polymers
Metal Nanoparticles
Phase interfaces
Chemical analysis
Azides
Metal nanoparticles
Lamellar structures
Functional materials
Alkynes
Ligands

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Anisotropic self-assembly of gold nanoparticle grafted with polyisoprene and polystyrene having symmetric polymer composition. / Nakano, Tatsuhiro; Kawaguchi, Daisuke; Matsushita, Yushu.

In: Journal of the American Chemical Society, Vol. 135, No. 18, 08.05.2013, p. 6798-6801.

Research output: Contribution to journalArticle

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