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
Synthesis method:
Mix silicon and cerium containing materials for pressing and forming to
obtain bulk materials; Under a protective atmosphere, calcine the block material
to obtain cerium silicide; The cerium containing material is cerium powder or
cerium oxide; The roasting pressure of cerium oxide is 0-30mbar; The roasting
pressure of cerium powder is 300-950 mbar
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 to form cerium oxide at
high temperatures.
Purpose:
Cerium silicide has extensive 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 matrix composites, such as ceramic matrix composite
cutting tools, ceramic matrix composite electronic packaging materials, etc.
These materials have good heat resistance, corrosion resistance, and mechanical
strength, and are widely used in fields such as aerospace, automobiles, and energy.
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
catalyst carrier or catalyst itself. Cerium silicide catalysts are widely used in
environmental protection fields such as automotive 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
devices. Cerium silicide has semiconductor properties and can be used to prepare
cerium silicide thin films, cerium silicide nanoparticles, and so on. 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 positive electrode materials for lithium-ion
batteries. The application of cerium silicide in the electronic field 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 communication, and
optoelectronic devices. The optical application of cerium silicide has promoted the
development of optical technology and expanded the application range of optical
devices.
