Description

Lead Telluride (PbTe) is a high-purity inorganic compound with the CAS registry number 1314-91-6, valued for its exceptional thermoelectric properties. This material is critical for advanced applications requiring efficient direct conversion of heat into electrical energy. It is primarily utilized by manufacturers and research institutions in the semiconductor, renewable energy, and infrared technology sectors.

Application

• Thermoelectric Devices: A key component in high-efficiency thermoelectric generators (TEGs) and Peltier coolers for waste heat recovery and precise temperature control systems.
• Infrared (IR) Detectors & Sensors: Used in the fabrication of sensitive photoconductive and photovoltaic detectors for mid- to long-wavelength infrared radiation.
• Semiconductor Research & Development: Serves as a fundamental material for studying narrow-bandgap semiconductors and quantum dot technologies.
• Photovoltaic Research: Investigated for use in next-generation solar cells due to its favorable optoelectronic characteristics.
• Advanced Coatings: Employed in specialized optical and protective coatings for infrared windows and lenses.
• Alloying Agent: Used in metallurgy and materials science to modify the properties of specific metal alloys.

Basic Information

Product Name	Lead Telluride
CAS No.	1314-91-6
Molecular Formula	PbTe
Molecular Weight	334.80 g/mol
Synonyms	Lead(II) telluride; Plumbous telluride; PbTe; Tellanylidenelead; NSC 617405; Lead monotelluride; Tellurium lead compound (PbTe)
EINECS	215-256-4

Quality Control

Our Lead Telluride is manufactured under stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analysis, including assay, crystallographic phase identification, and impurity profiling via techniques like X-ray diffraction (XRD) and inductively coupled plasma mass spectrometry (ICP-MS). A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and strong oxidizing agents. Due to its nature, it is recommended to handle and store this material under conditions that minimize dust generation and exposure to moisture.

Specification

Item	Specification
Appearance	Gray to black crystalline powder or lumps
Identification (XRD)	Conforms to PbTe reference pattern
Assay (PbTe)	≥ 99.9%
Lead (Pb) Content	61.5 - 62.5 %
Tellurium (Te) Content	37.5 - 38.5 %
Crystal Structure	Face-centered cubic (Rock Salt)
Particle Size (D50)	Customizable (e.g., 1-10 µm, 45 µm mesh)
Trace Metals (ICP-MS)	≤ 100 ppm total

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.