Thermoelectric Properties of n-Type 90% Bi2Te3+10%Bi2Se3 Thermoelectric Materials Produced by Melt Spinning Method and Sintering |
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| Journal | Materials Science Forum (Volumes 534 - 536) |
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| Volume | Progress in Powder Metallurgy |
| Edited by | Duk Yong Yoon, Suk-Joong L. Kang, Kwang Yong Eun and Yong-Seog Kim |
| Pages | 161-164 |
| DOI | 10.4028/www.scientific.net/MSF.534-536.161 |
| Citation | Taek Soo Kim et al., 2007, Materials Science Forum, 534-536, 161 |
| Online since | January, 2007 |
| Authors | Taek Soo Kim, Byong Sun Chun |
| Keywords | Bi2Te3Type Alloy, Powder Metallurgy (PM), Rapid Solidification, Thermoelectricity |
| Abstract | N-type Bi2Te3-Sb2Te3 solid solutions doped with CdCl2 was prepared by melt spinning, crushing and vacuum sintering processes. Microstructure, bending strength and thermoelectric property were investigated as a function of the doping quantity from 0.03wt.% to 0.10wt.% and sintering temperature from 400oC to 500oC, and finally compared with those of conventionally fabricated alloys. The alloy showed a good structural homogeneity as well as bending strength of 3.88Kgf/mm2. The highest thermoelectric figure of merit was obtained by doping 0.03wt.% and sintering at 500oC. |
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