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MSE PRO 5N (99.999%) Selenium (Se) Pieces (1-3mm) Evaporation Material– MSE Supplies LLC

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5N (99.999%) Selenium (Se) 1-3mm Pieces Evaporation Materials - MSE Supplies LLC

MSE PRO 5N (99.999%) Selenium (Se) Pieces (1-3mm) Evaporation Materials

SKU: TA3406

  • £20200
  • Save £2500

MSE PRO™ 5N (99.999%) Selenium (Se) Pieces (1-3mm) Evaporation Materials

Selenium (Se) is a nonmetal element with grey metallic luster. The main uses for selenium are glassmaking and pigments. It is used in photocells, DC power surge protectors and fluorescent quantum dot. As for coating, it is used on implants for antibacterial property. Evaporated Selenium thin film is a candidate for X-ray photoconductor. It can also be co-evaporated with other materials to form compound thin layers.

The dimensions and purities can be customized upon request. Please contact us for customization or bulk orders.

This material has a relatively high vapor pressure at low temperatures which can cause ppm level contamination in the chamber and subsequent films. 

Hazardous Materials: Hazardous shipping charges may apply.

Name Selenium
Chemical Formula Se
CAS # 7782-94-2
Atomic Number 34
Molecule Weight (g/mol) 78.96
Color/Appearance Gray, Metallic Luster, Non-Metallic
Purity ≥99.999%, 5N
Thermal Conductivity (W/m.K) 0.52
Melting Point (°C) 217
Theoretical Density (g/cm3) 4.81
Z Ratio 0.864
E-Beam Good
Temp. (°C) for Given Vap. Press. (Torr) 10-8:  89
10-6:  125
10-4:  170
Thermal Evaporation Techniques Boat:  W, Mo
Coil:  W, Mo
Basket:  W, Mo
Crucible:  Al2O3
E-Beam Crucible Liner MaterialX-ray photoconductor Graphite, Tungsten, Molybdenum

MSE Supplies offers a variety of crucibles for evaporation materials. We can customize the dimensions based on your requirements.

References:

1. Amorphous selenium as an X-ray photoconductor. Journal of non-crystalline solids 345 (2004): 484-488.

2. Indium selenide film formation by the double-source evaporation of indium and selenium. Thin Solid Films 146, no. 1 (1987): 65-73.