Cerium Oxide nanoparticles are excellent oxidation resistant materials. It is used in oxidation resistant coatings, oxygen sensors, and oxygen pumps.
It is good Infrared absorbent. It is used in heat resistant alloy coatings and coatings for infrared filters. Cerium Oxide nanoparticle is used in electronics as buffer layer for superconductors and polishing media for electronic devices. It is also used as electrolytes and electrode materials for solid oxide fuel cells. Cerium Oxide nanoparticles have also applications in the field of catalysis as a catalyst or catalyst support.