Chemical Name: Bismuth Telluride
Synonyms: Bismuth Sesquitelluride; Bismuth(3+) Telluride; Dibismuth Tritelluride
CAS No.: 1304-82-1
Molecular Formula: Bi2Te3
Molecular Weight: 800.76
Appearance: Powder
Bismuth Telluride (Bi2Te3), CAS 1304-82-1, is a layered compound semiconductor with exceptional thermoelectric properties. Technical parameters:
Parameter | Standard Grade | High Purity (99.999%) | Nano-Powder Form |
---|---|---|---|
Crystal Structure | Rhombohedral | Rhombohedral | Amorphous |
Band Gap | 0.15 eV | 0.15 eV | 0.18 eV |
Thermal Conductivity | 1.2 W/m·K | 1.05 W/m·K | 0.8 W/m·K |
Primary use in Peltier coolers for precision temperature control systems (-50°C to +200°C operational range).
Waste heat recovery modules achieving 5-8% conversion efficiency in automotive exhaust systems.
Topological insulator studies requiring single crystals with surface state carrier mobility >1,000 cm²/V·s.
German laser manufacturer reduced diode junction temperatures by 22°C using Bi2Te3 modules, increasing device lifespan by 40%.
NASA-approved thermoelectric generators maintaining ±0.1°C stability in Mars rover battery systems.
Implemented Bi2Te3 in EV battery thermal management:
Achieved breakthrough ZT value of 1.4 at 300K using our ultra-pure crystals:
Contact our materials engineering team for technical specifications:
Email: info@vivalr.com
Phone: (86) 15866781826
Standard lead time: 2-4 weeks for bulk orders
MOQ: 1 kg (standard grade), 100g (high purity)
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