Contrasting role of antimony and bismuth dopants on the thermoelectric performance of lead selenide

Yeseul Lee, Shih-Han Lo, Changqiang Chen, Hui Sun, Duck-Young Chung, Thomas C. Chasapis, Ctirad Uher, Vinayak P. Dravid () and Mercouri G. Kanatzidis ()
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Yeseul Lee: Northwestern University
Shih-Han Lo: Northwestern University
Changqiang Chen: Northwestern University
Hui Sun: University of Michigan
Duck-Young Chung: Argonne National Laboratory
Thomas C. Chasapis: Northwestern University
Ctirad Uher: University of Michigan
Vinayak P. Dravid: Northwestern University
Mercouri G. Kanatzidis: Northwestern University

Nature Communications, 2014, vol. 5, issue 1, 1-11

Abstract: Abstract Increasing the conversion efficiency of thermoelectric materials is a key scientific driver behind a worldwide effort to enable heat to electricity power generation at competitive cost. Here we report an increased performance for antimony-doped lead selenide with a thermoelectric figure of merit of ~1.5 at 800 K. This is in sharp contrast to bismuth doped lead selenide, which reaches a figure of merit of

Date: 2014
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DOI: 10.1038/ncomms4640

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