What is the name for ZnSe?
Zinc selenide
Zinc selenide (ZnSe)
| PubChem CID | 4298215 |
|---|---|
| Structure | Find Similar Structures |
| Chemical Safety | Laboratory Chemical Safety Summary (LCSS) Datasheet |
| Molecular Formula | ZnSe or SeZn |
| Synonyms | Selanylidenezinc Zinc selenide (ZnSe) 1315-09-9 Zinc(1+), pentaselenoxopenta- MFCD00011296 More… |
How do you make ZnSe?
The ZnSe product was prepared by first dissolving 2 g of PVP in 70 mL of deionized water, followed by vigorous stirring for 2 h at 70 °C. Next, 0.4 mmol of selenium powder was dissolved in 80 mL of ethylenediamine.
Is ZnSe a semiconductor?
Zinc selenide (ZnSe), is a light yellow binary solid compound. It is an intrinsic semiconductor with a band gap of about 2.82 eV at 25 °C. ZnSe rarely occurs in nature. It is found in the mineral stilleite named after Hans Stille.
What is zinc selenide used for?
Zinc Selenide is used for infrared windows, lenses, and prisms where transmission in the range 0.63µm to 18µm is desired. Zinc Selenide has a very low absorption co-efficient and is used extensively for high power infrared laser optics. It is non-hygroscopic.
Is ZnSe ionic or covalent?
The zinc vacancy centre in ZnSe One is as a purely ionic system, with Zn2+ and Se2- ions. The other is as a covalent system in which covalent bonds between sp3 hybrids are formed; here one has Zn2- and Sez+.
Is ZnSe hygroscopic?
ZnSe material is a chemically inert, non-hygroscopic and highly pure product that is very effective in many optical applications due to its extremely low bulk losses, high resistance to thermal shock and stability in virtually all environments, easily machined.
Is ZnSe covalent or ionic?
What type of semiconductor is ZnSe?
intrinsic semiconductor
Zinc selenide (ZnSe) is a light-yellow, solid compound comprising zinc (Zn) and selenium (Se). It is an intrinsic semiconductor with a band gap of about 2.70 eV at 25 °C (77 °F).
What is the formula for zinc selenide?
ZnSe
Zinc selenide/Formula
Is ZnSe an ionic compound?
The compound is composed of a zinc atom and a selenium atom. This is an ionic compound because zinc is metal while selenium is non-metal.
How is zinc selenide made?
Zinc Selenide is produced by synthesis from Zinc vapour and H2Se gas, forming as sheets on Graphite susceptors. Zinc Selenide oxidizes significantly at 300°C, exhibits plastic deformation at about 500°C and dissociates about 700°C. For safety, Zinc Selenide windows should not be used above 250°C in normal atmosphere.
What is Zn selenide lens?
Zinc Selenide (ZnSe) Lenses Zinc selenide (ZnSe) is the most popular material for infrared applications. Due to a very wide transmission range covering 0.6-22 µm chemical vapor deposition grown ZnSe as a high optical quality material is used to manufacture optical components. from 138 $
What is ZnSe used for in optical materials?
ZnSe is used widely for IR components, windows and lenses, and for spectroscopic ATR prisms. Zinc Selenide is one of the materials of choice for CO 2 laser optics operating at 10.6 microns. ♦ Zinc Selenide IR Transmission data table ©2019.
What are the dimensions of a ZnSe lens?
ZnSe Lenses. Centre thickness : ± 0.1mm Centration : ETV ≤ 0.05mm Surface form : Spherical within λ/80 at 10.6μm over any 25mm dia test area. Focal length : Designed and fabricated within 0.5%. Surface roughness : Within 20Å rms (usually 12Å rms). Absorption : 0.10% – 0.20% depending on thickness.
What does ZnSe stand for?
Zinc Selenide (ZnSe) Zinc Selenide is microcrystalline in structure, the grain size being controlled to produce maximum strength. Single crystal ZnSe is available, but is not common but has been reported as having lower absorption and thus more effective for CO 2 optics. Zinc Selenide oxidizes significantly at 300°C,…