p-type ingot: |
1. purity: 99.99% 2. thermal conductivity (k): 1.2-1.6w/m.k 3. seebeck (s) : 200-230 uv 4. electrical conductivity (rou): 850-1250 5. figure of merit (z): 2.55- 3.4×10-3.k-1. 6. zt>=1.1@300k |
n-type ingot: |
1. purity: 99.99% 2. thermal conductivity (k): 1.2-1.6w/m.k 3. seebeck (s) : 205-235 uv 4. electrical conductivity (rou): 850-1250 5. figure of merit (z): 2.34-3.2×10-3. k-1. 6. zt>=1.1@300k |
characteristics: |
bismuth telluride is a compound of tellurium and bismuth. when alloyed with selenium or antimony, it acts as an efficient thermoelectric material suitable for portable power generation or refrigeration. it is a narrow gap layered semiconductor with a trigonal unit cell. it mainly occurs in a rare mineral tellurobismuthite. it is produced by sealing bismuth and tellurium metals in a quartz tube under vacuum. |
applications: |
bismuth telluride finds applications in the following: power generation or cooling applications topological insulators. |