Introduction to cerium oxide
Cerium dioxide (chemical formula: CeO2) is the most stable oxide of the rare earth element cerium. It is a light yellow solid at room temperature, and the yellow color deepens when heated.
use
Used as a glass industry additive, as a plate glass grinding material, has been expanded to glasses glass, optical lenses, picture tube grinding, decolorization, clarification, glass UV and electronic line absorption and other roles. It is also used as an anti-reflective agent for eyeglass lenses, and is made of cerium titanium yellow to make the glass light yellow. It is used in ceramic glaze and electronics industry as an penetrant for piezoelectric ceramics. Also used in the manufacture of highly active catalyst, gas lamp incandescent cover, X-ray fluorescent screen cerium dioxide is mainly used for lens polishing agent, rare earth cerium polishing powder is widely used in camera, camera lens, TV picture tube, eye lens, etc. It can also be used in the glass industry, where cerium oxide and titanium dioxide are combined to make glass yellow; Cerium oxide for glass decolorization has the advantages of stable high temperature performance, low price and no absorption of visible light. In addition, cerium oxide is added to building and automotive glass to reduce ultraviolet light transmission. For the production of rare earth luminescent materials, CeO2 is added as an activator in the rare earth tricolor phosphor of the luminescent material of the energy-saving lamp and the phosphor used in the indicator light and radiation detector. Cerium oxide is also a raw material for the preparation of cerium metal. In addition, it is widely used in semiconductor materials, high-grade pigments and sensitizing agents for photosensitive glass, and automobile exhaust purifiers.
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