Synthesis and characterization of nanocrystalline Gd and Tb co-doped ceria-based electrolyte materials for IT-SOFC.

Abstract

Gd and Tb co-doped Ce0.8Gd0.2-xTb(x)O2-delta (0 < or = x < or = 0.09) nanopowders were synthesized by the combustion method using aspartic acid as fuel. The calcined powders formed a ceria-based single phase with a cubic fluorite structure. In addition, the powders were pure, homogeneous, and nanocrystalline nature, i.e., 20.1-23.4 nm in the calculated… (More)

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