Synthesis route effect on ceria nanoparticles' solid state properties and CO oxidation activity.

What is it about?

Ceria (CeO2) has attracted considerable attention in catalysis due to its unique properties. We have prepared ceria nanomaterials through various methods (thermal decomposition, precipitation, hydrothermal method) which are time- and cost-effective. Among these different synthetic approaches, the hydrothermal method resulted in the development of ceria nanoparticles of well-defined geometry with optimum textural characteristics, improved redox properties and the best CO oxidation performance.

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Why is it important?

The fine-tuning of ceria properties towards the development of highly active and stable catalytic materials is of great importance. In this work, a direct relationship between the catalytic activity and the redox properties was revealed.