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Thermoelectric properties of a eutectic SnSe2-Bi2Se3 alloy

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Abstract

Data are presented which confirm that the SnSe2-Bi2Se3 system has a eutectic phase diagram, with a eutectic at 67 mol % SnSe2, melting at 831 ± 5 K. The thermoelectric properties of the eutectic alloy in this system have been studied for the first time in the temperature range 300–600 K. The results demonstrate that this alloy is a promising low-temperature thermoelectric material: its minimal thermal conductivity (χmin) and maximum thermoelectric figure of merit (ZT max) are 0.28 W/(m K) (416 K) and 0.56 (593 K), respectively.

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Authors and Affiliations

  1. Research Institute of Solid State Physics and Chemistry, Department of Chemistry, Uzhgorod National University, vul. Pidgirna 46, Uzhgorod, 88000, Ukraine

    A. A. Kozma, M. Yu. Sabov, E. Yu. Peresh, I. E. Barchiy & V. V. Tsygyka

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  1. A. A. Kozma
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  2. M. Yu. Sabov
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  3. E. Yu. Peresh
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  4. I. E. Barchiy
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  5. V. V. Tsygyka
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Correspondence to A. A. Kozma.

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Original Russian Text © A.A. Kozma, M.Yu. Sabov, E.Yu. Peresh, I.E. Barchiy, V.V. Tsygyka, 2015, published in Neorganicheskie Materialy, 2015, Vol. 51, No. 2, pp. 131–136.

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Kozma, A.A., Sabov, M.Y., Peresh, E.Y. et al. Thermoelectric properties of a eutectic SnSe2-Bi2Se3 alloy. Inorg Mater 51, 93–97 (2015). https://doi.org/10.1134/S0020168515010082

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  • DOI: https://doi.org/10.1134/S0020168515010082

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