Journal
APL MATERIALS
Volume 4, Issue 10, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4955398
Keywords
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Funding
- JSPS KAKENHI [26820296]
- Thermal and Electric Energy Technology Foundation
- Electric Technology Research Foundation of Chugoku
- International Joint Research Program for Innovative Energy Technology - METI, Japan
- Grants-in-Aid for Scientific Research [26820296] Funding Source: KAKEN
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Synthetic minerals and related systems based on Cu-S are attractive thermoelectric (TE) materials because of their environmentally benign characters and high figures of merit at around 700 K. This overview features the current examples including kesterite, binary copper sulfides, tetrahedrite, colusite, and chalcopyrite, with emphasis on their crystal structures and TE properties. This survey highlights the superior electronic properties in the p-type materials as well as the close relationship between crystal structures and thermophysical properties. We discuss the mechanisms of high power factor and low lattice thermal conductivity, approaching higher TE performances for the Cu-S based materials. (C) 2016 Author(s).
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