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Bismuth Telluride (Bi2Te3)
| Chemical Formula: |
Bi2Te3 |
| CAS Number: |
1304-82-1 |
| Molecular Weight: |
800.76 |
| EC Number: |
215-135-2 |
Specification:
| Purity |
Available in 99.99%, 99.999% |
| Shape and particle size |
Available in powder |
| Packaging |
It is packed with Dacron film, then covered with a sealed plastic film bag. |
| Refractive index |
N/A |
| Density |
N/A |
| Melting point |
N/A |
| Boiling point |
N/A |
Bismuth Telluride
Bismuth telluride (Bi2Te3), also known as bismuth(III) telluride, is a grey solid powder with a crystalline structure in its pure form. While it occurs in nature as the mineral tellurobismuthite, it is typically prepared by heating elemental bismuth and tellurium under vacuum in a muffle furnace.
Applications
A natural semiconductor, bismuth telluride is common alloyed with selenium or antimony compounds to produce thermoelectric materials. This, and it’s potential value as a topological insulator or nanoscale material, make up the majority of its commercial and academic interest.
- Thermoelectrical materials. The most common use of bismuth telluride currently is in the production of thermoelectrical alloys.
- Topological insulator. Bismuth telluride is currently one of the most studied materials to show the traits of a topological insulator. This means that the material shows thickness-dependent properties. Thus, high purity bismuth telluride and nanoparticles of bismuth telluride remain of high academic interest.
- Nanostructures. Due to the unique properties bitmush telluride shows at reduced thicknesses, it is of particular interest to researchers working on various nanostructures, such as nanowire and thin films.
AHP Materials offers bismuth telluride at 99.999% purity as a standard product. We also offer a number of other bismuth and tellurium compounds at high purities, and may be able to produce unlisted materials or purities with custom orders. Contact us to learn more.
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