Improvement of thermoelectric properties of screen-printed Bi2Te3 thick film by optimization of the annealing process

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The thermoelectric properties of Bi2Te3 thick film prepared by a screen-printing technique are investigated to produce a low-cost thermoelectric power generator module. It is shown that thermoelectric properties of the screen-printed Bi2Te3 thick film can be greatly improved by optimizing annealing conditions. The printed Bi2Te3 thick film annealed at 500 degrees C for 15 min in Bi and Te powders ambient, achieves a power factor of 2.1 mW/m K-2 and a thermal conductivity of 1.0 W/m K. The ZT value is 0.61 at room temperature. (C) 2012 Elsevier B. V. All rights reserved.
Publisher
ELSEVIER SCIENCE SA
Issue Date
2013-03
Language
English
Article Type
Article
Keywords

BISMUTH TELLURIDE

Citation

JOURNAL OF ALLOYS AND COMPOUNDS, v.552, pp.107 - 110

ISSN
0925-8388
DOI
10.1016/j.jallcom.2012.10.085
URI
http://hdl.handle.net/10203/103337
Appears in Collection
EE-Journal Papers(저널논문)
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