Ultralow thermal conductivity and high thermoelectric figure of merit in SnSe crystals

Li-Dong Zhao, Shih-Han Lo, Yongsheng Zhang, Hui Sun, Gangjian Tan, Ctirad Uher, C. Wolverton, Vinayak P. Dravid and Mercouri G. Kanatzidis ()
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Li-Dong Zhao: Northwestern University
Shih-Han Lo: Northwestern University
Yongsheng Zhang: Northwestern University
Hui Sun: University of Michigan
Gangjian Tan: Northwestern University
Ctirad Uher: University of Michigan
C. Wolverton: Northwestern University
Vinayak P. Dravid: Northwestern University
Mercouri G. Kanatzidis: Northwestern University

Nature, 2014, vol. 508, issue 7496, 373-377

Abstract: The main obstacle to improving the thermoelectric efficiency of a material arises from the common interdependence of electrical and thermal conductivity, whereas one ideally wants to raise the former while lowering the latter: a simple layered crystalline material — SnSe — is now reported that seems to have these qualities built in.

Date: 2014
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DOI: 10.1038/nature13184

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