Cerium oxide

Cerium dioxide (CeO₂), and Ce₂O₃ coexisting along with it, are oxides of the rare earth metal cerium.

Nanostructured cerium dioxide, among other things, is used as an oxygen-storing diesel additive in vehicle exhaust catalysts. It still oxidizes carbon monoxide and excess hydrocarbons into CO₂ when there is a temporary lack of oxygen in the exhaust mixture. During that process, CeO₂ is reduced to Ce₂O₃ that is re-oxidized later as soon as there is enough oxygen again in the exhaust gases.

Cerium dioxide, in addition, is used as a polishing agent for optical glasses and is applied as a grinding medium for computer parts, camera phone lenses, or CD player lasers. It gives infrared filters their antireflection coatings and is found in color television tubes. Cerium dioxide is known as additive to oxidic cathode materials for fuel cells and as magnetic material in alloys containing cobalt. Its most well-known use may be as Auer metals, i.e. spark-producing “flintstones” in disposable lighters.

 

NanoCare data sheets for download

Data sheet Cerium oxide1.pdf
Data sheet Cerium oxide2.pdf
Data sheet Cerium oxide3.pdf
Data sheet Cerium oxide4.pdf
Data sheet Cerium oxide5.pdf