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1314-91-6
PbTe
825200PC
99.999%
＜15mm
215-247-1
Class 6.1
UN3284
PGIII
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.
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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