Non-equilibrium processing leads to record high thermoelectric figure of merit in PbTe–SrTe

Gangjian Tan, Fengyuan Shi, Shiqiang Hao, Li-Dong Zhao, Hang Chi, Xiaomi Zhang, Ctirad Uher, Chris Wolverton, Vinayak P. Dravid and Mercouri G. Kanatzidis ()
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Gangjian Tan: Northwestern University
Fengyuan Shi: Northwestern University
Shiqiang Hao: Northwestern University
Li-Dong Zhao: Northwestern University
Hang Chi: University of Michigan
Xiaomi Zhang: Northwestern University
Ctirad Uher: University of Michigan
Chris Wolverton: Northwestern University
Vinayak P. Dravid: Northwestern University
Mercouri G. Kanatzidis: Northwestern University

Nature Communications, 2016, vol. 7, issue 1, 1-9

Abstract: Abstract The broad-based implementation of thermoelectric materials in converting heat to electricity hinges on the achievement of high conversion efficiency. Here we demonstrate a thermoelectric figure of merit ZT of 2.5 at 923 K by the cumulative integration of several performance-enhancing concepts in a single material system. Using non-equilibrium processing we show that hole-doped samples of PbTe can be heavily alloyed with SrTe well beyond its thermodynamic solubility limit of

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms12167

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DOI: 10.1038/ncomms12167

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