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Lead telluride
PRICE INQUIRYCatalog Number
ACM1314916-2
Product Name
Lead telluride
Structure
![{[CurrentData.Name]}](https://resource.alfachemic.com/structure/1314-91-6.gif)
CAS
1314-91-6
Synonyms
LEAD TELLURIDE;LEAD(II) TELLURIDE;Lead telluride (PbTe);PbTe;plumbous telluride;LEAD(II) TELLURIDE, 99.998%;Lead(Ii)Telluride99.999%;Lead(II) telluride, -60 mesh, 99.99%
IUPAC Name
tellanylidenelead
Molecular Weight
334.80g/mol
Molecular Formula
PbTe
Canonical SMILES
[Te]=[Pb]
InChI
InChI=1S/Pb.Te
InChI Key
OCGWQDWYSQAFTO-UHFFFAOYSA-N
Melting Point
924°C
Purity
99.99%
Density
8.168 g/cm³
Solubility
Insoluble in water
Appearance
white solid
Color Form
Gray
Complexity
2
Covalently-Bonded Unit Count
1
EC Number
215-247-1
Exact Mass
337.88287g/mol
Formal Charge
0
H-Bond Acceptor
0
H-Bond Donor
0
Heavy Atom Count
2
Monoisotopic Mass
337.88287g/mol
Rotatable Bond Count
0
UNII
V1OG6OA4BJ
Application
Lead telluride (PbTe) is a versatile material with significant applications across various fields due to its semiconductive and photoconductive properties. Forming white cubic crystals with a specific gravity of 8.16 and a hardness of 3 on the Mohs scale, this compound is slightly soluble in water and melts at 917 °C. It is synthesized by melting lead and tellurium together. Lead telluride is widely used in pyrometry and heat-sensing instruments such as bolometers and infrared spectroscopes, where it plays a role in converting heat directly into electricity through thermoelectric elements. Additionally, it serves as a catalyst for oxygen reduction in fuel cells, a cathode in primary batteries paired with lithium anodes, and is integral to electrical contacts for vacuum switches and lead-ion selective electrodes. In the realm of advanced technology, it finds use in tunable lasers, thermistors, and infrared detector applications, including spacecraft power systems, infrared detection, imaging, and solar cells. Its energy efficiency has been enhanced for improved performance, and it is commonly employed in semiconductor research and photoconductor cells, making it a critical material in modern electronics and energy solutions.
January 7, 2025
Essential for Thermoelectric and Infrared Applications
Using lead telluride in our research on infrared detection was transformative. Its excellent semiconductive properties allowed us to achieve efficient energy conversion and precise measurements, enhancing our experiment's outcomes significantly.
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