Synthesis, Structure, Te Alloying, and Physical Properties of CuSbS2

Dean Hobbis; Kaya Wei; Hsin Wang; Joshua Martin; George S. Nolas

doi:10.1021/acs.inorgchem.7b02154

Synthesis, Structure, Te Alloying, and Physical Properties of CuSbS₂

Dean Hobbis, Kaya Wei, Hsin Wang, Joshua Martin, George S. Nolas

Division of Medical Physics

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

Materials with very low thermal conductivities continue to be of interest for a variety of applications. We synthesized CuSbS₂ employing a mechanical alloying technique in order to investigate its physical properties. The trigonal pyramid arrangement of the S atoms around the Sb atoms allows for lone-pair electron formation that results in very low thermal conductivity. In addition to thermal properties, the structural, electrical, and optical properties, as well as compositional stability measurements, are also discussed. CuSbS_1.8Te_0.2 was similarly synthesized and characterized in order to compare its structural and transport properties with that of CuSbS₂, in addition to investigating the effect of Te alloying on these properties.

Original language	English
Pages (from-to)	14040-14044
Number of pages	5
Journal	Inorganic Chemistry
Volume	56
Issue number	22
DOIs	https://doi.org/10.1021/acs.inorgchem.7b02154
State	Published - Nov 20 2017

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abstract = "Materials with very low thermal conductivities continue to be of interest for a variety of applications. We synthesized CuSbS2 employing a mechanical alloying technique in order to investigate its physical properties. The trigonal pyramid arrangement of the S atoms around the Sb atoms allows for lone-pair electron formation that results in very low thermal conductivity. In addition to thermal properties, the structural, electrical, and optical properties, as well as compositional stability measurements, are also discussed. CuSbS1.8Te0.2 was similarly synthesized and characterized in order to compare its structural and transport properties with that of CuSbS2, in addition to investigating the effect of Te alloying on these properties.",

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AU - Martin, Joshua

AU - Nolas, George S.

PY - 2017/11/20

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N2 - Materials with very low thermal conductivities continue to be of interest for a variety of applications. We synthesized CuSbS2 employing a mechanical alloying technique in order to investigate its physical properties. The trigonal pyramid arrangement of the S atoms around the Sb atoms allows for lone-pair electron formation that results in very low thermal conductivity. In addition to thermal properties, the structural, electrical, and optical properties, as well as compositional stability measurements, are also discussed. CuSbS1.8Te0.2 was similarly synthesized and characterized in order to compare its structural and transport properties with that of CuSbS2, in addition to investigating the effect of Te alloying on these properties.

AB - Materials with very low thermal conductivities continue to be of interest for a variety of applications. We synthesized CuSbS2 employing a mechanical alloying technique in order to investigate its physical properties. The trigonal pyramid arrangement of the S atoms around the Sb atoms allows for lone-pair electron formation that results in very low thermal conductivity. In addition to thermal properties, the structural, electrical, and optical properties, as well as compositional stability measurements, are also discussed. CuSbS1.8Te0.2 was similarly synthesized and characterized in order to compare its structural and transport properties with that of CuSbS2, in addition to investigating the effect of Te alloying on these properties.

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Synthesis, Structure, Te Alloying, and Physical Properties of CuSbS₂

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