Thermoelectric Properties of Co1-xFexSb3 Prepared by Encapsulated Induction Melting

Abstract:

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Co1-xFexSb3 skutterudites were synthesized by encapsulated induction melting and their thermoelectric properties were investigated. Single phase δ-CoSb3 was successfully obtained by the subsequent heat treatment at 773K for 24 hours in vacuum. However, δ-CoSb3 was decomposed to FeSb2 and Sb when x≥0.3, which means that the solubility limit of Fe to Co is x<0.3. The positive signs of Seebeck coefficients for all Fe-doped specimens revealed that Fe atoms acted as p-type dopants by substituting Co atoms. Thermoelectric properties were remarkably enhanced by Fe doping and optimum composition was found to be Co0.7Fe0.3Sb3 in this study.

Info:

Periodical:

Solid State Phenomena (Volumes 124-126)

Edited by:

Byung Tae Ahn, Hyeongtag Jeon, Bo Young Hur, Kibae Kim and Jong Wan Park

Pages:

939-942

DOI:

10.4028/www.scientific.net/SSP.124-126.939

Citation:

K. H. Park et al., "Thermoelectric Properties of Co1-xFexSb3 Prepared by Encapsulated Induction Melting", Solid State Phenomena, Vols. 124-126, pp. 939-942, 2007

Online since:

June 2007

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Price:

$35.00

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