ZnS Crystals
Simple description：
Zinc sulfide crystal is an important inorganic compound with unique physical and chemical properties. It typically exists in yellow or yellow-brown forms, with a hexagonal or cubic crystal structure. Zinc sulfide crystals are characterized by high hardness, high melting point, and high density, which make them excel in various industrial and scientific applications.
Advantages：High Stability, Excellent Light Transmission, Superior Thermal Conductivity, Excellent Electrical Properties, Strong Ablation Resistance, Good Processing Performance, Wide Range of Applications
Application fields：Optical Applications, Display and Lighting, Solar Cells, Semiconductor Material, Pigments and Fillers, Metallurgical Industry, Radiation Protection Materials, Rubber and Plastic Reinforcement
Simple description：
Zinc sulfide crystal is an important inorganic compound with unique physical and chemical properties. It typically exists in yellow or yellow-brown forms, with a hexagonal or cubic crystal structure. Zinc sulfide crystals are characterized by high hardness, high melting point, and high density, which make them excel in various industrial and scientific applications.
Detailed Description：
In optics, zinc sulfide crystals exhibit excellent light transmission and infrared transmission properties, making them commonly used as infrared window materials and optical components. In addition, zinc sulfide possesses good electrical conductivity and semiconductor characteristics, which broaden its application prospects in the electronics and optoelectronics fields.
Zinc sulfide crystals also demonstrate excellent chemical stability and thermal stability, able to maintain their performance stable under harsh environments. This allows them to retain their structural and functional integrity in high-temperature, high-pressure, or corrosive environments.
Advantages：
- High Stability：Zinc sulfide crystal is a relatively stable material that can maintain its performance stable in various environments.
- Excellent Light Transmission：It has a broad light transmission range of 0.35~14.51 micrometers, making it an important infrared window material.
- Superior Thermal Conductivity：Zinc sulfide crystal exhibits good thermal conductivity, allowing it to effectively dissipate heat in high-temperature environments.
- Excellent Electrical Properties：It has a low resistivity, good electrical conductivity, corrosion resistance, easy welding, and a longer service life than general sulfide crystals.
- Strong Ablation Resistance：It can withstand intense thermomechanical vibrations, greatly improving reliability and durability in processing.
- Good Processing Performance：Processed products have high radius accuracy, controllable surface roughness, and good surface quality.
- Wide Range of Applications：It can be used in various fields such as the steel industry, electronics industry, petrochemical industry, and power metallurgical industry.
Application fields：
- Optical Applications：Due to its high refractive index and good optical transparency, zinc sulfide crystal is often used as a material for optical windows, lenses, and optical filters. Additionally, zinc sulfide has good transmission performance in the infrared band, making it commonly used as an infrared window material.
- Display and Lighting：Zinc sulfide has unique luminescent properties, making it widely used in display technology and lighting fields, such as in the manufacture of light-emitting diodes (LEDs) and phosphors.
- Solar Cells：Zinc sulfide can be used as a substitute for transparent conductive oxides (TCOs) to improve the efficiency of solar cells.
- Semiconductor Material：In the electronics industry, zinc sulfide can be used as a semiconductor material for the manufacture of photoresistors, photodiodes, and other electronic devices.
- Pigments and Fillers：Zinc sulfide can be used as a white pigment and filler with excellent covering power and weather resistance, commonly used in industries such as paints, coatings, and inks.
- Metallurgical Industry：Zinc sulfide can be used for the extraction and refining of metallic zinc and as an additive in the smelting of other metals.
- Radiation Protection Materials：Zinc sulfide has good absorption properties for X-rays and gamma rays, making it suitable for the manufacture of radiation protection materials and clothing.
- Rubber and Plastic Reinforcement：Zinc sulfide can be used as a filler and reinforcer for rubber and plastics to improve their hardness, wear resistance, and mechanical strength.
Parameter：
| Parameter Name | Symbol | Value (Unit) | Remarks |
| Molecular Formula | ZnS | – | – |
| Molecular Weight | – | 97.43 (or 97.46, 97.474) | – |
| Density | ρ | 4.102 (g/cm³) (cubic system); 4.087 (g/cm³) (hexagonal system) | Measured at 25℃ |
| Melting Point | – | 1700±20℃ | – |
| Lattice Constant | a | 5.406 (Å) (cubic system); a=3.82, c=6.26 (Å) (hexagonal system) | – |
| Unit Cell Volume | V | 157.46 (ų) (cubic system); 87.42 (ų) (hexagonal system) | – |
| Coordination Number | CN | 4 | Both Zn and S have a coordination number of 4 |
| Crystal System | – | Cubic (Sphalerite type); Hexagonal (Wurtzite type) | – |
| Appearance | – | Colorless cubic or hexagonal crystals | – |
| Solubility | – | Almost insoluble in water, soluble in acids | – |
