Defect engineering in cubic cerium oxide nanostructures for catalytic oxidation.
basic_science · Level V
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- Record sourced from PubMed, PMID 21627100.
- Also identified by DOI 10.1021/nl200722z.
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Abstract
Traditional nanostructured design of cerium oxide catalysts typically focuses on their shape, size, and elemental composition. We report a different approach to enhance the catalytic activity of cerium oxide nanostructures through engineering high density of oxygen vacancy defects in these catalysts without dopants. The defect engineering was accomplished by a low pressure thermal activation process that exploits the nanosize effect of decreased oxygen storage capacity in nanostructured cerium oxides.
Medical subject headings
- Cerium
- Nanostructures
- Oxygen