Micross

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Synthesis and Integration of Ceria Nanocubes for Solid Oxide Fuel Cells at Low Operating Temperature
Keywords: Ceria Nanocubes, Hydrothermal Synthesis, Solid Oxide Fuel Cells
To fine-tune the properties of ceramics, they can now be processed into uniform-size nanocrystals with spherical, wire, rod, tadpole shapes. Another trend in research aims at arranging individual nanocrystals into superlattices and investigating their unique properties. Despite these recent advances, controlling the shape, crystal structure, and surface characteristics of ceramic nanocrystals is still a difficult task. Here, we report an approach to tailor-made ceramic nanocrystals by means of organic ligand-assisted hydrothermal synthesis. We succeeded in the synthesis of rare earth doped CeO2 nanocrystals with cubic facets. Also important, the use of water, instead of an organic solvent, provides an environmentally benign “green” chemistry route to nano building blocks for advanced materials and devices. Here, we also report a synthesis of rare earth doped CeO2 and NiO composite nanoparticles by aerosol route in order to fabricate solid oxide fuel cell device with high performance.
Satoshi Ohara, Dr
Osaka University
Ibaraki, Osaka
Japan


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