Direct assembly of BaTiO3-poly(methyl methacrylate) nanocomposite films

Dong-Wan Kim, Du Hee Lee, Byung Kook Kim, Hae June Je, Jae Gwan Park

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

This study examines the use of a PMMA-mediated assembly of BaTiO 3 nanoparticles directly onto Cu electrodes under an electric field. The compatibility of the interface between BaTiO3 nanoparticles and PMMA in a mixed organic solvent system enables the homogeneous dispersion of nanoparticles in a solid polymer matrix. This results in the effective packing of particles, which is desirable from the point of view of achieving a high dielectric constant in the composite. In this study, three-phase Al/BaTiO 3/PMMA nanocomposite films from stable colloidal suspensions containing aluminium nitrate salts were also designed using an electrodeposition process. The simultaneous formation of Al metallic inclusions in the BaTiO 3 nanoparticles in the PMMA matrix significantly improved the dielectric constant of nanocomposite films.

Original languageEnglish
Pages (from-to)1821-1825
Number of pages5
JournalMacromolecular Rapid Communications
Volume27
Issue number21
DOIs
Publication statusPublished - 2006 Nov 1
Externally publishedYes

Fingerprint

Nanocomposite films
Polymethyl Methacrylate
Polymethyl methacrylates
Nanoparticles
Permittivity
Polymer matrix
Electrodeposition
Organic solvents
Nitrates
Suspensions
Salts
Electric fields
Aluminum
Electrodes
Composite materials

Keywords

  • Dielectric properties
  • Dispersions
  • Films
  • Inorganic materials
  • Nanocomposites

ASJC Scopus subject areas

  • Polymers and Plastics
  • Materials Chemistry

Cite this

Direct assembly of BaTiO3-poly(methyl methacrylate) nanocomposite films. / Kim, Dong-Wan; Lee, Du Hee; Kim, Byung Kook; Je, Hae June; Park, Jae Gwan.

In: Macromolecular Rapid Communications, Vol. 27, No. 21, 01.11.2006, p. 1821-1825.

Research output: Contribution to journalArticle

Kim, Dong-Wan ; Lee, Du Hee ; Kim, Byung Kook ; Je, Hae June ; Park, Jae Gwan. / Direct assembly of BaTiO3-poly(methyl methacrylate) nanocomposite films. In: Macromolecular Rapid Communications. 2006 ; Vol. 27, No. 21. pp. 1821-1825.
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