Overview of Zinc Selenide ZnSe Powder
Zinc Selenide (ZnSe) powder is a semiconducting material composed of zinc and selenium atoms. It exists in a crystalline form and is a key component in various optoelectronic devices. ZnSe is renowned for its high transparency in the visible and near-infrared regions, making it suitable for optical windows, lenses, and waveguides. Additionally, ZnSe's high refractive index and low optical dispersion are advantageous for precision optical components.
Features of Zinc Selenide ZnSe Powder
High transparency: ZnSe powder has excellent transparency in the visible and near-infrared regions, making it an ideal material for optical applications.
High refractive index: Compared with other optical materials, ZnSe has a high refractive index, giving it advantages in manufacturing optical components such as lenses and waveguides.
Low dispersion: ZnSe has lower dispersion characteristics, which means it can maintain a constant refractive index over a wide spectral range, which is crucial for accurate optical systems.
Good thermal stability: ZnSe powder can maintain good optical properties even at high temperatures, making it suitable for applications in high-temperature environments.
High mechanical strength: ZnSe has high mechanical strength and can withstand certain mechanical pressures without being easily damaged.
Chemical stability: ZnSe powder has good resistance to various chemical substances and can maintain stability in harsh chemical environments.
Application of Zinc Selenide ZnSe Powder
Optical windows and lenses: ZnSe powder is widely used in the manufacturing of optical windows and lenses due to its high transparency and refractive index, especially when high-power laser transmission is required.
Waveguide material: In integrated optical systems, ZnSe powder is an ideal material for manufacturing optical waveguides, which can efficiently transmit and guide optical signals.
Infrared detector: ZnSe powder has excellent performance in the infrared spectral region, and is therefore widely used in the manufacturing of infrared detectors and sensors.
Solar cells: The high optical performance and electronic properties of ZnSe make it a potential candidate material for solar cells, which can improve the photoelectric conversion efficiency of solar cells.
Application of Zinc Selenide ZnSe Powder
Optical coating: ZnSe powder can also be used to prepare high-quality optical coatings, improving the performance and durability of optical components.
Application of Zinc Selenide ZnSe Powder
Aerospace and defense fields: Due to its stable performance in high temperatures and harsh environments, ZnSe powder is widely used in high-precision optical systems in aerospace and defense fields.
Application of Zinc Selenide ZnSe Powder
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Q1
What is the crystal structure of Zinc Selenide (ZnSe) Powder?
Answer: The crystal structure of Zinc Selenide (ZnSe) Powder is cubic zinc blende, which consists of zinc and selenium atoms arranged in a face-centered cubic lattice. This structure contributes to ZnSe's optical and electronic properties.
Q2
How does the transparency of ZnSe Powder compare to other optical materials?
Answer: ZnSe Powder exhibits exceptional transparency in the visible and near-infrared regions, surpassing many other optical materials. Its high transparency makes it ideal for optical windows and lenses that require minimal light attenuation.
Q3
What are the key properties of ZnSe Powder that make it suitable for solar cells?
Answer: ZnSe Powder's key properties that make it suitable for solar cells include its high refractive index, low optical dispersion, and good thermal stability. These properties contribute to efficient light absorption and conversion into electricity in solar cells.
Q4
How does the surface activity of ZnSe Powder affect its performance in optical coatings?
Answer: The surface activity of ZnSe Powder plays a crucial role in its performance in optical coatings. The presence of surface functional groups can enhance adhesion and wetting properties, improving the quality and durability of optical coatings.
Q5
What challenges are associated with the synthesis of high-quality ZnSe Powder?
Answer: The synthesis of high-quality ZnSe Powder can be challenging due to the precise control required over stoichiometric ratios, temperature, and pressure. Impurities and defects can significantly affect the optical and electronic properties of ZnSe, necessitating meticulous processing techniques to achieve pure and crystalline powder.
Zinc Selenide ZnSe Powder Properties | |
Other Names | Zinc Selenide, IR grade zinc selenide, Zinc monoselenide, Stilleite, selanylidenezinc, selenoxozinc, Zn-Se, Zn-SE-04-P, Zn3Se2 |
CAS No. | 1315-09-9 |
Compound Formula | ZnSe |
Molecular Weight | 144.35 |
Appearance | Light yellow crystalline solid |
Melting Point | 1520-1525 °C |
Solubility in water | 0.001g/100g water |
Density | 5.27 g/cm3 |
Purity | 99.90% |
Particle Size | granule, -100mesh |
Boling point | N/A |
Specific Heat | 340 J/kg-K |
Thermal Conductivity | 18 W/m-K (@ 298K) |
Thermal Expansion | 7.3 µm/m-K |
Young's Modulus | 67.2-69 GPa |
Exact Mass | 143.845668 |
Monoisotopic Mass | 143.845673 Da |
Zinc Selenide ZnSe Powder Health & Safety Information | |
Safety Warning | Danger |
Hazard Statements | H301-H331-H373-H410 |
Flashing point | N/A |
Hazard Codes | T,N |
Risk Codes | 23/25-33-50/53 |
Safety Statements | 20/21-28-45-60-61 |
RTECS Number | N/A |
Transport Information | UN 3283 6.1/PG 2 |
WGK Germany | 3 |