LiPbSb3S6

A semiconducting sulfosalt with very low thermal conductivity

Eva C. Agha, Christos D. Malliakas, Jino Im, Hosub Jin, Li Dong Zhao, Arthur J Freeman, Mercouri G Kanatzidis

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The new semiconductor LiPbSb3S6 crystallizes in the space group P21/c. The structure is a member of the lillianite homologous series and is composed of layers of PbS archetype Sb/Li-S separated by trigonal-prismatic-coordinated Pb/Li. Electronic band structure calculations indicate an indirect band gap, with direct gaps lying very close in energy. LiPbSb3S6 has one of the lowest thermal conductivities seen in a crystalline material, ∼0.24 W m-1 K-1 at room temperature, and a high resistivity, ∼4 × 109 Ωcm, and exhibits strong light absorption with a nearly direct band gap of 1.6 eV.

Original languageEnglish
Pages (from-to)673-675
Number of pages3
JournalInorganic Chemistry
Volume53
Issue number2
DOIs
Publication statusPublished - Jan 21 2014

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Thermal conductivity
Energy gap
thermal conductivity
Band structure
Light absorption
Semiconductor materials
electromagnetic absorption
Crystalline materials
electrical resistivity
room temperature
electronics
Temperature
energy

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Physical and Theoretical Chemistry

Cite this

LiPbSb3S6 : A semiconducting sulfosalt with very low thermal conductivity. / Agha, Eva C.; Malliakas, Christos D.; Im, Jino; Jin, Hosub; Zhao, Li Dong; Freeman, Arthur J; Kanatzidis, Mercouri G.

In: Inorganic Chemistry, Vol. 53, No. 2, 21.01.2014, p. 673-675.

Research output: Contribution to journalArticle

Agha, Eva C. ; Malliakas, Christos D. ; Im, Jino ; Jin, Hosub ; Zhao, Li Dong ; Freeman, Arthur J ; Kanatzidis, Mercouri G. / LiPbSb3S6 : A semiconducting sulfosalt with very low thermal conductivity. In: Inorganic Chemistry. 2014 ; Vol. 53, No. 2. pp. 673-675.
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