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Thermoelectric Properties of Bi-Sb-Te-X Compounds Prepared by MA-PDS Method

Published online by Cambridge University Press:  21 March 2011

Yong-Ho Park and
Liu Xue-Dong
Yong-Ho Park
Affiliation:
National Institute of Advanced Industrial Science and Technology (AIST Tohoku) Sendai 983-8551, Japan
Liu Xue-Dong
Affiliation:
National Institute of Advanced Industrial Science and Technology (AIST Tohoku) Sendai 983-8551, Japan
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Abstract

A great potential for further improving the room-temperature figure of merit (Z) has been identified by dispersing a small fraction of Ag in the (Bi0.25Sb0.75)2Te3 alloy. The maximum Z of 3.41×10−3K−1, 17% higher than that of the unadded, is attained at 0.02wt% Ag. Addition of BN, either alone or in combination with Ag, however, does not generate a favorable figure of merit.

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References

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