Thermoelectric properties of pressed pellets and pressureless sintering in the K2Bi8Se13-xSx system

A. Tsiappos; Th Kyratsi; M. G. Kanatzidis

doi:10.1109/ICT.2006.331346

Thermoelectric properties of pressed pellets and pressureless sintering in the K₂Bi₈Se_13-xS_x system

A. Tsiappos, Th Kyratsi, M. G. Kanatzidis

Northwestern University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

4 Citations (Scopus)

Abstract

The solid solutions of ß-K₂Bi₈Se₁₃ are an interesting series of materials for thermoelectric investigations because they possess very low thermal conductivity and relatively high power factor. Moreover, the sulfur-substituted K₂Bi₈Se _13-xS_x compounds were found to have promising properties showing the potential for high temperature applications. Due to their high anisotropic properties, we aim to develop polycrystalline pellets and study their thermoelectric properties as well as their potential to achieve promising power factor. In this work, for the first time pressed pellet samples of the K₂Bi₈Se₁₃ system are presented. The morphology of the material and the thermoelectric properties of pressed pellets of the K₂Bi₈Se_13-xS_x compounds were studied in terms of sintering conditions.

Original language	English
Title of host publication	Proceedings ICT'06 - 25th International Conference on Thermoelectrics
Pages	516-519
Number of pages	4
DOIs	https://doi.org/10.1109/ICT.2006.331346
Publication status	Published - Dec 1 2006
Event	ICT'06 - 25th International Conference on Thermoelectrics - Vienna, Austria Duration: Aug 6 2006 → Aug 10 2006

Publication series

Name	International Conference on Thermoelectrics, ICT, Proceedings

Other

Other	ICT'06 - 25th International Conference on Thermoelectrics
Country	Austria
City	Vienna
Period	8/6/06 → 8/10/06

ASJC Scopus subject areas

Engineering(all)

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Thermoelectric properties of pressed pellets and pressureless sintering in the K₂Bi₈Se_13-xS_x system. / Tsiappos, A.; Kyratsi, Th; Kanatzidis, M. G.

Proceedings ICT'06 - 25th International Conference on Thermoelectrics. 2006. p. 516-519 4133343 (International Conference on Thermoelectrics, ICT, Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Tsiappos, A, Kyratsi, T & Kanatzidis, MG 2006, Thermoelectric properties of pressed pellets and pressureless sintering in the K₂Bi₈Se_13-xS_x system. in Proceedings ICT'06 - 25th International Conference on Thermoelectrics., 4133343, International Conference on Thermoelectrics, ICT, Proceedings, pp. 516-519, ICT'06 - 25th International Conference on Thermoelectrics, Vienna, Austria, 8/6/06. https://doi.org/10.1109/ICT.2006.331346

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abstract = "The solid solutions of {\ss}-K2Bi8Se13 are an interesting series of materials for thermoelectric investigations because they possess very low thermal conductivity and relatively high power factor. Moreover, the sulfur-substituted K2Bi8Se 13-xSx compounds were found to have promising properties showing the potential for high temperature applications. Due to their high anisotropic properties, we aim to develop polycrystalline pellets and study their thermoelectric properties as well as their potential to achieve promising power factor. In this work, for the first time pressed pellet samples of the K2Bi8Se13 system are presented. The morphology of the material and the thermoelectric properties of pressed pellets of the K2Bi8Se13-xSx compounds were studied in terms of sintering conditions.",

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