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You are here: Home » Thin film coating materials » Inorganic Compound Chemicals » Sulfur compound » Lead Telluride » Lead Telluride (PbTe)-Granules

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Lead Telluride (PbTe)-Granules

  • 1314-91-6

  • PbTe

  • 825200GN

  • 99.99%-99.999%

  • 3 mm - 6 mm

  • 215-247-1

  • Class 6.1

  • UN3284

Availability:

Characteristic


Lead telluride is a compound of lead and tellurium (PbTe). It crystallizes in the NaCl crystal structure with Pb atoms occupying the cation and Te forming the anionic lattice. It is a narrow gap semiconductor with a band gap of 0.32 eV.


Chemical formula:PbTe

CAS#:1314-91-6

Molar mass:334.80 g/mol

Appearance:gray cubic crystals.

Density:8.164 g/cm3

Melting point:924 °C (1,695 °F; 1,197 K)

Solubility in water:insoluble

Band gap:0.25 eV (0 K)

                    0.32 eV (300 K)

Electron mobility:1600 cm2 V−1 s−1 (0 K)

                                6000 cm2 V−1 s−1 (300 K)

Crystal structure:Halite (cubic), cF8


Application


PbTe has proven to be a very important intermediate thermoelectric material.


In addition, PbTe is also often alloyed with tin to make lead tin telluride, which is used as an infrared detector material.


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