화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.15, No.3, 211-215, April, 2007
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Theoretical Optical Waveguide Investigation of Self-Organized Polymer Thin Film Nanostructures with Nanoparticle Incorporation
King Hang Aaron Lau1, Wolfgang Knoll1, and Dong Ha Kim1, 2, †
  • 1Max-Planck-Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
  • 2Division of Nano Sciences & Department of Chemistry, Ewha Womans University, Seoul 120-750
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Hybrid thin film nanostructures composed of metal nanoparticles (NPs) and self-assembled polymer films with different spatial distributions of NPs were analyzed by optical waveguide spectroscopy (OWS). Specifically, the dielectric constants were calculated using effective medium theory for the incorporation of 1 vol% Au NP into the block copolymer (BCP) films having a cylindrical nanodomain morphology. Three cases were considered: uniform distribution of NPs in the film; selective distribution of NPs only in the cylindrical domains; and segregation of NPs to the center of the cylindrical domains. The optical waveguide spectra derived from the calculated dielectric constants demonstrate the feasibility of experimentally distinguishing the composite nanostructures with different inner morphologies in the hybrid metal NP-BCP nanostructures, by the measurement of the dielectric constants using OWS.
Keywords:block copolymers;nanoparticles;optical waveguide;thin films;effective medium theory
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