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Lead Telluride (PbTe)-Pieces

Lead Telluride (PbTe)-Pieces

CAS: 1314-91-6
Molecular Formula: PbTe
Purity: 99.999%
Products Code: TR825200PC
Specification Model: <15mm
Hazardous Class: Class 6.1
EINECS No.: 215-247-1
UN No.: UN3284
Package Class: PGIII
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Lead Telluride (PbTe)-Pieces introduce:

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

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

 

Lead(II) telluride is used to make thermoelectric converter (cooler, generator, heat), infrared detectors and tunnel diode. It is also an important raw material and intermediate used in organic synthesis, pharmaceuticals and agrochemicals.
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