features of silicon nitride powder
The product has high purity, small particle size, uniform distribution, large specific surface area, high surface activity and low bulk density; The ultraviolet reflectivity is more than 95% and the absorption rate of the infrared band is more than 97%, with good chemical corrosion resistance, strong lubrication, high hardness and small sliding friction coefficient.
Advantages of silicon nitride powder
1. Application of silicon nitride in solid-state electronic devices
Silicon nitride has high electron mobility and breakdown field strength, which can be used to manufacture high-power, high-frequency electronic devices. For example, silicon nitride can be used to make high-voltage field-effect transistors (HV-FETs), power MOSFETs, power diodes, and more. Compared with other semiconductor materials, such as silicon and silicon carbide, silicon nitride is more suitable for high-power, high-frequency applications, can achieve higher electrical performance, and has lower switching losses, thus improving the efficiency of the device.
2. The application of silicon nitride in the field of lighting
Silicon nitride has good optoelectronic properties, especially its high luminous efficiency and wide spectral range, which can be used to manufacture light-emitting diodes (LEDs). Silicon nitride LEDs have a higher luminous efficiency than LEDs of other materials, providing higher brightness and longer lifespan. In addition, silicon nitride can also be used to make ultraviolet LEDs, which can be used in a variety of applications such as sterilization, indoor air purification, etc.
3. Application of silicon nitride in the field of solar cells
Silicon nitride can be used to make photovoltaic cells, which have higher conversion efficiency and longer service life than photovoltaic cells made of silicon materials. In addition, silicon nitride solar cells also have better stability and durability in harsh environments such as high temperature and high radiation.
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