Saltar al contenido
Merck
Todas las fotos(2)

Key Documents

View All Documentation

254266

Sigma-Aldrich

Lead(II) telluride

greener alternative

99.998% trace metals basis

Iniciar sesiónpara Ver la Fijación de precios por contrato y de la organización
Todas las fotos(2)

About This Item

Fórmula lineal:
PbTe
Número de CAS:
1314-91-6
Peso molecular:
334.80
EC Number:
215-247-1
MDL number:
MFCD00016274
UNSPSC Code:
26111700
PubChem Substance ID:
24855370
NACRES:
NA.23

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

signalword

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

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

¿Ya tiene este producto?

Encuentre la documentación para los productos que ha comprado recientemente en la Biblioteca de documentos.

Visite la Librería de documentos

Los clientes también vieron

Slide 1 of 3

1 of 3

Copper(I) selenide 99.95% trace metals basis

Sigma-Aldrich

481629

Copper(I) selenide

Sodium tellurite −100 mesh, 99%

Sigma-Aldrich

400688

Sodium tellurite

Silver nanowires diam. × L 200  nm × 10 μm, 0.5% (isopropyl alcohol suspension)

Sigma-Aldrich

778095

Silver nanowires

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)
Far infrared high-performance lead telluride-based photodetectors for space-born applications
Chesnokov SN, et al.
Infrared Physics &Technology, 35(1), 23-31 (1994)
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)

Artículos

Materials for Advanced Thermoelectrics

Thermoelectric materials comprise a wide range of solid compounds distinguished by their ability to convert thermal and electrical energy.

Silicides: Promising Thermoelectrics

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

Silicides: Promising Thermoelectrics

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

Silicides: Promising Thermoelectrics

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

Ver todo

Nuestro equipo de científicos tiene experiencia en todas las áreas de investigación: Ciencias de la vida, Ciencia de los materiales, Síntesis química, Cromatografía, Analítica y muchas otras.

Póngase en contacto con el Servicio técnico