화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.19, No.2, 493-497, March, 2013
DOI10.1016/j.jiec.2012.09.002  Export Citation
Synergetic improvement in electromagnetic interference shielding characteristics of polyaniline-coated graphite oxide/γ-Fe2O3/BaTiO3 nanocomposites
Young-E. Moon1, Jumi Yun1, 2, and Hyung-Il Kim1, †
  • 1Department of Fine Chemical Engineering and Applied Chemistry, BK21-E2 M, Chungnam National University, Daejeon 305-764, Republic of Korea
  • 2Institute for Superconducting and Electronic Materials (ISEM), University of Wollongong, Wollongong, New South Wales 2522, Australia
E-mail:
Polymer nanocomposites were prepared by in situ polymerization of aniline with graphite oxide (GO), γ-Fe2O3, and BaTiO3 as electromagnetic interference (EMI) shielding materials. GO, g-Fe2O3, and BaTiO3 nanoparticles were incorporated in the nanocomposites to improve the electromagnetic properties. The nanocomposites showed the significant improvement in both EMI shielding efficiency (SE) and thermal property due to the thermal conductivity of GO, the magnetic effect of g-Fe2O3, and the electric effect of BaTiO3. The EMI SE of nanocomposites was improved due to the synergetic effect of reflection and absorption of electromagnetic interference by GO, γ-Fe2O3, and BaTiO3 additives.
Keywords:Electromagnetic interference shielding;Polyaniline;Graphite oxide;Ferromagnetic;Ferroelectrics;Nanocomposite
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