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Thermoelectric materials based on Sb2Te3-Bi2Te3 solid solutions with optimal performance in the range 100–400 K

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Abstract

We have optimized the compositions of thermoelectric materials based on Sb2Te3-Bi2Te3 solid solutions using Czochralski-grown single crystals. The thermoelectric performance of Sb2Te3-Bi2Te3 solid solutions containing 0–100 mol % Bi2Te3 and Bi2Te3-Sb2Te3-Bi2-Bi2Se3 solid solutions containing 2, 4, or 7 mol % Bi2Se3 has been investigated. The Bi2Se3-doped crystals are found to have higher thermoelectric figures of merit compared to the undoped crystals. The optimal crystal compositions are selected for different temperatures in the range 100–400 K.

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Authors and Affiliations

  1. Baikov Institute of Metallurgy and Materials Science, Russian Academy of Sciences, Leninskii pr. 49, Moscow, 119991, Russia

    L. D. Ivanova, L. I. Petrova, Yu. V. Granatkina & V. S. Zemskov

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  1. L. D. Ivanova
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  2. L. I. Petrova
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  3. Yu. V. Granatkina
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  4. V. S. Zemskov
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Correspondence to L. D. Ivanova.

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Original Russian Text © L.D. Ivanova, L.I. Petrova, Yu.V. Granatkina, V.S. Zemskov, 2007, published in Neorganicheskie Materialy, 2007, Vol. 43, No. 9, pp. 1044–1048.

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Ivanova, L.D., Petrova, L.I., Granatkina, Y.V. et al. Thermoelectric materials based on Sb2Te3-Bi2Te3 solid solutions with optimal performance in the range 100–400 K. Inorg Mater 43, 933–937 (2007). https://doi.org/10.1134/S002016850709004X

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  • DOI: https://doi.org/10.1134/S002016850709004X

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