Directed Self-Assembly of Two Kinds of Nanoparticles Utilizing Monolayer Films of Diblock Copolymer Micelles
Journal of the American Chemical Society2003Vol. 125(21), pp. 6368–6369
Citations Over TimeTop 10% of 2003 papers
Byeong‐Hyeok Sohn, Jeongmin Choi, Seong Il Yoo, Sang-Hyun Yun, Wang‐Cheol Zin, Jin Chul Jung, Masayuki Kanehara, Takuji Hirata, Toshiharu Teranishi
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.
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