Control of nanoparticle location in block copolymers

Julia J. Chiu, Bumjoon J. Kim, Edward J. Kramer, David J. Pine

Research output: Contribution to journalArticlepeer-review

Abstract

A simple procedure is described to incorporate gold nanoparticles and control their location within symmetric poly(styrene-b-2 vinyl pyridine) (PS-PVP) diblock copolymers. Gold nanoparticles coated with thiol-terminated PS and/or PVP homopolymer chains (Mn ∼1300 and 1500 g/mol, respectively) are incorporated into alternating lamellar layers of PS and PVP (total Mn ∼196500 g/mol). The location of the particles is controlled by varying the composition of ligands on the particle surfaces. In particular, gold particles coated with 100% PS or PVP reside near the center of the respective polymer domains, while particles coated with a mixture of both homopolymers reside at the interfaces between the two blocks.

Original languageEnglish (US)
Pages (from-to)5036-5037
Number of pages2
JournalJournal of the American Chemical Society
Volume127
Issue number14
DOIs
StatePublished - Apr 13 2005

ASJC Scopus subject areas

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

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