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A High Performance ...
A High Performance Ag Alloyed Nano-scale n-type Bi2Te3 Based Thermoelectric Material
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- Chen, Si, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Logothetis, Nikolaos, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ye, L. (author)
- SHT Smart High-Tech AB
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- Liu, Johan, 1960 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- Elsevier BV, 2015
- 2015
- English.
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In: Materials Today: Proceedings. - : Elsevier BV. - 2214-7853. ; 2:2, s. 610-619
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http://dx.doi.org/10...
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Abstract
Subject headings
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- A silver alloyed n-type bismuth telluride (Bi2Te3) thermoelectric (TE) bulk material with nano crystalline structure was studied and characterized in this paper. The Bi2Te3 nanopowders used in this study were first fabricated via a patented explosion based process. Then, the various concentrations of Ag nanoparticles (0-20 wt. %) were added into the Bi2Te3 nanopowders in order to increase the electrical conductivity. Combining the benefits of high electrical conductivity (1.51x10(5) S.m(-1)) and low thermal conductivity (0.441 W.m(-1).K-1), the dimensionless figure of merit (ZT value) of 1.48 for this n-type Bi2Te3 TE material is achieved at 300 K temperature.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Nanoteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Nano-technology (hsv//eng)
Keyword
- Bismuth-Telluride
- Silver
- Nano-scale
- Thermoelectric
- Nanoparticles
Publication and Content Type
- kon (subject category)
- ref (subject category)
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