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

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

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

Author(s) -

Dean Hobbis,

Kaya Wei,

Hsin Wang,

Joshua Martin,

George S. Nolas

Publication year - 2017

Publication title -

inorganic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 233

eISSN - 1520-510X

pISSN - 0020-1669

DOI - 10.1021/acs.inorgchem.7b02154

Subject(s) - chemistry , lone pair , thermal stability , pyramid (geometry) , trigonal crystal system , thermal , thermal conductivity , electrical resistivity and conductivity , crystallography , chemical physics , nanotechnology , crystal structure , thermodynamics , molecule , optics , organic chemistry , physics , materials science , electrical engineering , engineering

Materials with very low thermal conductivities continue to be of interest for a variety of applications. We synthesized CuSbS 2 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 1.8 Te 0.2 was similarly synthesized and characterized in order to compare its structural and transport properties with that of CuSbS 2 , in addition to investigating the effect of Te alloying on these properties.

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