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Cadmium Selenide | CdSe


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Cadmium Selenide (CdSe) exhibits interesting electrical and optical properties due to its bandgap energy. Heeger Materials can provide the best Cadmium Selenide (CdSe) with a purity of 99.99%, and 99.999% in the size of lump and powder. 

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Data sheet

Purity99.99%-99.999% (4N-5N)
ProductCadmium selenide

More info

Cadmium Selenide (CdSe) effectively absorbs energy from visible light and has been widely applied in the fields of photoelectrochemical solar cells, photoelectrochemical sensing, photocatalysts, and gas sensors.

Cadmium Selenide | CdSe

Physical properties

  • Molecular weight: 191.377
  • Wurtzite type hexagonal crystal, dark red, dark brown, brown-black, dark green four colors
  • Melting point: 1350℃
  • Bandgap: 2.5 eV
  • Density: 5.8 g/cm3


Chemical purity: High-purity cadmium selenide: CdSe-05 has a purity of more than 99.999%, and the total impurity content of silver, aluminum, copper, iron, magnesium, nickel, lead, calcium, zinc, tin, and tellurium is less than 10ppm.


  • Used to make CdSe single crystals.
  • Used to make CdSe evaporation materials.
  • Used to make photovoltaic cells.
  • Used to make rectifiers.
  • Used to make luminous paints.

Technical docking

Purification of elemental cadmium and selenium (the processes used are anode slime enrichment, electrolysis, vacuum distillation, hydrodeoxygenation)-CVD synthesis of binary alloy: 1mol Cd+1molSe=1molCdSe;


ICP-MS; XRD; laser particle size analyzer.


Provide free samples, MSDS practical protective measures, and provide material application solutions. (Optical glass industry)


Cadmium Selenide (CdSe) is carefully packaged in carton boxes with foam protection to minimize damage during storage and transportation and to preserve the quality of our products in their original condition. The vacuum packing is 1kg/bag, 25kg/barrel, or based on specific requirements. 

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