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

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
CountryAustria
CityHernstein
Period14/10/514/10/10

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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