Surface modification of complex oxide powder with polyelectrolyte layers improving EPD characteristics

Tetsuo Uchikoshi*, Eiji Eto, Harue T. Suzuki, Chika Matsunaga, Kiyoshi Kobayashi, Tohru S. Suzuki, Hiroyuki Muto, Atsunori Matsuda

*この研究の対応する著者

研究成果: Conference contribution

抄録

The surface modification of Gd doped ceria (GDC) and Sr- and Mg-codoped lanthanum gallate (LSGM) powders with cationic and anionic polyelectrolytes, Poly(diallyldimethylammonium chloride) (PDDA) and poly(2 -acrylamido-2-methyl-1-propanesulfonic acid) (PAMPS), respevtively, was performed by the Layer by Layer (LbL) adsorption method to improve the surface-charging uniformity. The tri-layer of GDC/LSGM/GDC was deposited on a polypyrrole coated porous NiO-YSZ substrate by sequential EPD using the ethanol-based suspensions of the surface-modified powders. The topcoating of hydroxyl-propyl cellulose (HPC) on the deposited layers was conducted to control the drying rate with suppressing the cracking and peeling-off of the deposits. The advantage of the use of those polymers for the EPD process including the drying technique was demonstrated.

本文言語English
ホスト出版物のタイトルElectrophoretic Deposition
ホスト出版物のサブタイトルFundamentals and Applications V
編集者Aldo R. Boccaccini, James H. Dickerson, B. Ferrari, Omer Van der Biest, Tetsuo Uchikoshi
出版社Trans Tech Publications Ltd
ページ255-260
ページ数6
ISBN(印刷版)9783038354970
DOI
出版ステータスPublished - 2015
外部発表はい
イベント5th International Conference on Electrophoretic Deposition: Fundamentals and Applications, EPD 2014 - Hernstein, Austria
継続期間: 2014 10 52014 10 10

出版物シリーズ

名前Key Engineering Materials
654
ISSN(印刷版)1013-9826
ISSN(電子版)1662-9795

Conference

Conference5th International Conference on Electrophoretic Deposition: Fundamentals and Applications, EPD 2014
国/地域Austria
CityHernstein
Period14/10/514/10/10

ASJC Scopus subject areas

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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