Abstract
Thin films of nanocrystalline samarium doped ceria (SDC) were electrophoretically deposited on stainless steel substrate using Sm 0.2Ce 0.8O 1 .9 nanopowder prepared by polyvinyl alcohol (PVA) assisted combustion method. The thermal behavior of the combusted powder was studied by thermogravimetric and differential thermal analysis (TG-DTA). Nanocrystallinity and phase purity of the calcinated SDC powder were confirmed from transmission electron microscope (TEM) and X-ray diffraction (XRD). In electrophoretic deposition (EPD), the parameters related to the suspension and deposition process were optimized in acetone. The film formation during deposition was found to be diffusion controlled process. The surface morphology of the deposited films and its cross-section were studied by scanning electron microscope (SEM). The preparation of nanocrystalline SDC electrolyte films from acetone-based suspension by EPD is reported for the first time in this paper.
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