Description

Bismuth Telluride is an inorganic compound with the chemical formula Bi₂Te₃, widely recognized as a high-performance thermoelectric material. Its primary commercial value lies in its exceptional ability to directly convert heat into electrical energy and vice versa, making it indispensable for precise temperature management. This compound is critical for manufacturers and researchers in the electronics, aerospace, and energy sectors seeking efficient solid-state cooling and power generation solutions.

Application

• Thermoelectric Modules (Peltier Coolers): The primary application for manufacturing solid-state cooling devices for electronic components, scientific instruments, and portable refrigerators.
• Waste Heat Recovery Systems: Used in generators to convert industrial waste heat into usable electrical power, improving energy efficiency.
• Infrared Detectors and Sensors: Serves as a key material in photoconductive and photovoltaic infrared sensors for security and thermal imaging.
• Quantum Materials Research: A vital compound in the study of topological insulators and other advanced quantum phenomena.
• Precision Temperature Control: Employed in laser diode coolers, CCD cameras, and medical diagnostic equipment requiring stable thermal conditions.
• Aerospace and Defense: Utilized in specialized cooling systems for satellite components and other mission-critical electronics.

Basic Information

Product Name	Bismuth Telluride
CAS No.	1304-82-1
Molecular Formula	Bi₂Te₃
Molecular Weight	800.76 g/mol
Synonyms	Bismuth(III) Telluride; Bismuth Sesquitelluride; Dibismuth Tritelluride; Tellurobismuthite; Bismuth Telluride (Bi2Te3); Thermoelectric Bismuth Telluride; Bismuth-Tellurium Alloy; Bismuth Telluride Powder
EINECS	215-135-2

Quality Control

Our Bismuth Telluride is produced under stringent quality management protocols to ensure batch-to-batch consistency and high performance. We provide comprehensive quality assurance, including verification of thermoelectric figure of merit (ZT), carrier concentration, and phase purity. Certificates of Analysis (COA) detailing all specifications are available upon request to support your R&D and manufacturing 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). The material is stable under ambient conditions but should be kept away from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark gray to black powder or crystalline solid
Identification (XRD)	Conforms to Bi₂Te₃ reference pattern
Assay (Bi₂Te₃)	≥ 99.99%
Particle Size (D50)	Customizable (e.g., 1-10 µm, 45-75 µm)
Thermal Conductivity	Contact for details
Electrical Conductivity	Contact for details
Seebeck Coefficient	Contact for details
Heavy Metals (Pb, Cd)	< 10 ppm

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