title: Directed self-assembly of two kinds of nanoparticles utilizing monolayer films of diblock copolymer micelles.
abstract: We demonstrated a self-assembly of two different kinds of nanoparticles simultaneously directed on a monolayer film of diblock copolymer micelles via physical and chemical arrangements. We first incorporated gold nanoparticles physically around the micelles of a monolayer film of PS-PVP micelles having a short-range hexagonal order. Iron oxide nanoparticles were then synthesized chemically in the PVP core area of the ordered micelles, resulting in a mosaic nanopattern of magnetic iron oxide nanoparticles surrounded by metallic gold nanoparticles. Thus, we were able to direct two kinds of nanoparticles to self-assemble in the specific positions as an example of controlled fabrication of nanometer-sized building blocks.
authors.affiliation: Department of Materials Science and Engineering, Polymer Research Institute, Pohang University of Science and Technology, Pohang 790-784, Korea. bhsohn@postech.ac.kr
authors.forename: Byeong-Hyeok
authors.initials: BH
authors.lastname: Sohn
authors.forename: Jeong-Min
authors.initials: JM
authors.lastname: Choi
authors.forename: Seong Il
authors.initials: SI
authors.lastname: Yoo
authors.forename: Sang-Hyun
authors.initials: SH
authors.lastname: Yun
authors.forename: Wang-Cheol
authors.initials: WC
authors.lastname: Zin
authors.forename: Jin Chul
authors.initials: JC
authors.lastname: Jung
authors.forename: Masayuki
authors.initials: M
authors.lastname: Kanehara
authors.forename: Takuji
authors.initials: T
authors.lastname: Hirata
authors.forename: Toshiharu
authors.initials: T
authors.lastname: Teranishi