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Synthesis of Yttria Doped Ceria Powders by a Citrate Method and Their Thin Film Preparation by Electrospray Method  

Kwon, Hyuk Taek (Department of Chemical Engineering, Kyung Hee University)
Baik, Seung Min (Department of Chemical Engineering, Kyung Hee University)
Kim, Jinsoo (Department of Chemical Engineering, Kyung Hee University)
Publication Information
Applied Chemistry for Engineering / v.21, no.1, 2010 , pp. 76-80 More about this Journal
Abstract
In this study, YDC powders with uniform composition and particle size were synthesized by a citrate method and their thin film deposition was conducted by electrospray deposition method. Polymeric precursor was prepared first by reaction of metal salts with citrate acid and ethylene glycol. Fluorite crystalline YDC powders were obtained by calcining the precursor at $750^{\circ}C$ for 3 h. The electrospray deposited films prepared at the optimum conditions became dense and defect-free after heat treatment at $1400^{\circ}C$ for 3 h. The film thickness was linearly varied with the deposition time.
Keywords
YDC; yttria; ceria; citrate method; electrospray;
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