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Merck
CN

254266

Lead telluride

greener alternative

99.998% trace metals basis

别名:

Lead monotelluride, Lead(II) telluride, Plumbous telluride

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关于此项目

线性分子式:
PbTe
化学文摘社编号:
1314-91-6
分子量:
334.80
NACRES:
NA.23
PubChem Substance ID:
24855370
UNSPSC Code:
26111700
EC Number:
215-247-1
MDL number:
MFCD00016274

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产品名称

碲化铅(II), 99.998% trace metals basis

InChI key

OCGWQDWYSQAFTO-UHFFFAOYSA-N

InChI

1S/Pb.Te

SMILES string

[Te]=[PbH2]

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

Quality Level

100

相关类别

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.

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.

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

存储类别

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

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCX1005
MKCT1461
MKCM6151
MKCK8743
MKCG8518

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Far infrared high-performance lead telluride-based photodetectors for space-born applications
Chesnokov SN, et al.
Infrared Physics &Technology, 35(1), 23-31 (1994)
Microscopic mechanism of low thermal conductivity in lead telluride
Shiga T, et al.
Physical Review. B, Condensed Matter and Materials Physics, 85(15), 155203-155203 (2012)
Lead telluride as a thermoelectric material for thermoelectric power generation
Dughaish ZH
Physica B: Condensed Matter, 322(1-2), 205-223 (2002)
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)

商品

Materials for Advanced Thermoelectrics

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Silicides: Promising Thermoelectrics

Higher transition metal silicides are ideal for anisotropic thermoelectric conversion due to their Seebeck coefficient anisotropy and mechanical properties.

先进热电材料

热电材料包含多种固体化合物，它们可以转化热能和电能。

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