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Sigma-Aldrich

Lead(II) telluride

greener alternative

99.998% trace metals basis

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About This Item

Linear Formula:
PbTe
CAS Number:
1314-91-6
Molecular Weight:
334.80
EC Number:
215-247-1
MDL number:
MFCD00016274
UNSPSC Code:
26111700
PubChem Substance ID:
24855370
NACRES:
NA.23

Quality Level

100

assay

99.998% trace metals basis

form

crystals and lumps

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

mp

905 °C (lit.)

density

8.164 g/mL at 25 °C (lit.)

greener alternative category

, Enabling

SMILES string

[Te]=[PbH2]

InChI

1S/Pb.Te

InChI key

OCGWQDWYSQAFTO-UHFFFAOYSA-N

General description

Lead telluride (PbTe) has a cubic rocksalt crystal structure which undergoes transition at high pressures to an orthorhombic structure.1 PbTe is a thermoelectric material, oxidation in air has been reported. 2
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

Application

Lead(II) telluride (PbTe) is a narrow bandgap semiconductor with good electrical properties. It is a thermoelectric material with thermal conductivity of ~2 Wm−1K−1 at 300 K, which can be used in thermoelectric power generation and energy conversion.

Packaging

Packaged in glass bottles

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Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Repr. 1A - STOT RE 2

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
MKCM6151
MKCK8743
MKCG8518
MKBR7910V
MKBP9160V

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The effects of the size and the doping concentration on the power factor of n-type lead telluride nanocrystals for thermoelectric energy conversion
Fang H, et al.
Nano Letters, 14(3), 1153-1157 (2014)
Lead telluride as a thermoelectric material for thermoelectric power generation
Dughaish ZH
Physica B: Condensed Matter, 322(1-2), 205-223 (2002)

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Silicides: Promising Thermoelectric Materials

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