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

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

doi:10.1002/marc.200600530

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 journal › Article › peer-review

21 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 language	English
Pages (from-to)	1821-1825
Number of pages	5
Journal	Macromolecular Rapid Communications
Volume	27
Issue number	21
DOIs	https://doi.org/10.1002/marc.200600530
Publication status	Published - 2006 Nov 1
Externally published	Yes

Keywords

Dielectric properties
Dispersions
Films
Inorganic materials
Nanocomposites

ASJC Scopus subject areas

Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1002/marc.200600530

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Cite this

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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.",

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AU - Je, Hae June

AU - Park, Jae Gwan

PY - 2006/11/1

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