Name: Cerium silicide

Character: block

Molecular formula: CeSi2

Molecular weight: 196.287

CAS: 2014-85-6

EINECS: 234-602-1

Chemical formula: CeSi2

Molecular weight: 196.29

Density (g/ml, 25.4 ℃): 5.67

Melting point: 1620 ° C

Solubility: insoluble in water

English alias: Cerium silicon 
Appearance: blocky 
Molecular formula: CeSi2 
Molecular weight: 196.287 
CAS：12014-85-6 
EINECS：234-602-1 
Chemical formula: CeSi2 
Molecular weight: 196.29 
Density (g/ml, 25.4 ℃): 5.67 
Melting point: 1620 ° C 
Solubility: Insoluble in water 
Synthesis method: 
Mixing silicon and cerium containing materials for compression molding to obtain bulk materials; Calcining the bulk material under a protective atmosphere to obtain the cerium silicide; The cerium containing material is cerium powder or cerium oxide; The pressure for calcination of cerium oxide is 0-30mbar; The pressure for calcination of cerium powder is 300-950mbar 
Physical and chemical properties: 
Cerium silicide is a black crystalline solid with a high melting point and hardness. Its crystal structure is cubic and belongs to the NaCl type structure. Cerium silicide is stable in air, but it reacts with oxygen at high temperatures to form cerium oxide. 
Purpose: 
Cerium silicide has a wide range of applications in the field of materials science. Due to its high thermal conductivity and excellent mechanical properties, cerium silicide is widely used as a high-temperature structural material. For example, cerium silicide can be used to prepare high-temperature alloys, ceramic materials, and coating materials. In addition, cerium silicide can also be used to prepare high-performance ceramic based composite materials, such as ceramic based composite cutting tools, ceramic based composite electronic packaging materials, etc. These materials have good heat resistance, corrosion resistance, and mechanical strength, and are widely used in aerospace, automotive, energy, and other fields. 
Cerium silicide also has important applications in the field of catalysts. Due to its high surface area and abundant active sites, cerium silicide can be used as a carrier for catalysts or as the catalyst itself. Cerium silicide catalysts are widely used in environmental protection fields such as automobile exhaust purification and industrial waste gas treatment. In addition, cerium silicide can also be used as a catalyst in organic synthesis reactions, such as hydrogenation, oxidation, carbonylation, and other reactions. Cerium silicide catalysts play a crucial role in the chemical industry, helping to improve reaction efficiency, selectivity, and product purity. 
Cerium silicide can also be used for the preparation of electronic materials and electronic devices. Cerium silicide has semiconductor properties and can be used to prepare cerium silicide thin films, cerium silicide nanoparticles, etc. These cerium silicide materials have important applications in electronic devices, such as field emission displays, thin film transistors, etc. Cerium silicide can also be used to prepare electrochemical materials, such as cathode materials for lithium-ion batteries. The application of cerium silicide in the field of electronics has promoted the development of electronic technology and improved the performance and reliability of electronic products. 
Cerium silicide can also be used in the field of optics. Cerium silicide has high refractive index and transparency, and can be used to prepare optical lenses, optical windows, optical fibers, etc. Cerium silicide optical materials have excellent optical properties and are widely used in fields such as lasers, optical communications, optoelectronic devices, etc. The optical application of cerium silicide has promoted the development of optical technology and expanded the application scope of optical devices.