首页|Preparation of barium titanate nanoparticle thin films by the electrophoretic deposition method using polyacrylic acid as a charge-compensating agent

Preparation of barium titanate nanoparticle thin films by the electrophoretic deposition method using polyacrylic acid as a charge-compensating agent

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  • NETL
  • NSTL
  • Trans Tech Publications Ltd
Using the electrophoretic deposition (EPD) method, we prepared barium titanate nanoparticle (BT-NP) thin films by depositing BT-NP monodispersed in ethylene glycol monomethyl ether (EGMME) onto an electrically conductive substrate coated with polyacrylic acid (PAA). Deposition efficiency was increased compared to conventional EPD, and the uniformity of the film thickness was also improved as a result of the BT-NPs cohesion effect of the PAA coating on the substrate in addition to the electrophoretic deposition effect of the electric field. When low-molecular-weight PAA was used, the film was reinforced since PAA, which coats the substrate, diffused close to the surface of the BT-NP film during film formation. A crack-free BT-NP film was produced with a film thickness of several micrometers.

nanoparticleEPDsol-gelpolyacrylic acidbarium titanate

Masashi Arimura、Teruhisa Makino、Kunitaka Fujiyoshi、Makoto Kuwabara

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Chemical & Textile Industry Research Institute, Fukuoka Industrial Technology Center, 3-2-1 Kamikoga, Chikushino-shi, Fukuoka 818-8540, JAPAN Department of Applied Science for Electronics and Materials, Kyushu University, 6-1 Kasuga-kouen, Kasuga-shi, Fukuoka 816-8580, JAPAN

Chemical & Textile Industry Research Institute, Fukuoka Industrial Technology Center, 3-2-1 Kamikoga, Chikushino-shi, Fukuoka 818-8540, JAPAN

Department of Applied Science for Electronics and Materials, Kyushu University, 6-1 Kasuga-kouen, Kasuga-shi, Fukuoka 816-8580, JAPAN

2010

10.4028/www.scientific.net/KEM.421-422.510

Key engineering materials

Key engineering materials

ISSN：1013-9826
年,卷(期)：2010.421/422
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