YBa2Cu3O7-x dispersion in iodine acetone for electrophoretic deposition: Surface charging mechanism in a halogenated organic media

被引：27

作者：

Dusoulier, Laurent ^{[1
,2
]}

Cloots, Rudi ^{[1
]}

Vertruyen, Benedicte ^{[1
]}

Moreno, Rodrigo ^{[3
]}

Burgos-Montes, O. ^{[4
]}

Ferrari, Begona ^{[3
]}

机构：

[1] Univ Liege, B-4000 Liege 1, Belgium

[2] Royal Mil Acad, CISS Dept, Brussels, Belgium

[3] CSIC, Inst Ceram & Vidrio, Madrid 28049, Spain

[4] CSIC, Inst Ciencias Construcc Eduardo Torroja, Madrid 28033, Spain

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2011年 / 31卷 / 06期

关键词：

Suspensions; Shaping; Films; Oxide superconductors; Acetone halogenation; YTTRIA-STABILIZED ZIRCONIA; THIN-FILMS; SUPERCONDUCTING FILMS; ELECTROLYTE FILMS; HAMAKER CONSTANTS; OXIDE-FILMS; FABRICATION; COATINGS; SUSPENSIONS; EPD;

D O I：

10.1016/j.jeurceramsoc.2011.01.008

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

081705 [工业催化]; 082905 [生物质能源与材料];

摘要：

Electrophoretic deposition (EPD) performance strongly depends on the particles surface chemistry and the ability to manipulate surface-liquid interfaces. In this study an extensive investigation of YBCO suspension in dry acetone, acetone-water mixtures and acetone-iodine is reported. Chemical instability of YBCO particles determines their colloidal behaviour. Charging mechanism of particles has therefore had to be deeply investigated for complete dispersion understanding. In order to determine the conditions of the YBCO suspension stability, measurements of pH, conductivity, zeta-potential, settling tests, modelling of the particle networks and electrophoretic deposition were done. The influence of the water and iodine concentration, and their role as stabilizers was evaluated. Based on experimental results, pair particle potentials were calculated and then different charging mechanisms of YBCO surfaces in acetone were proposed. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1075 / 1086

页数：12

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