Convergence of electronic bands for high performance bulk thermoelectrics

Yanzhong Pei, Xiaoya Shi, Aaron LaLonde, Heng Wang, Lidong Chen and G. Jeffrey Snyder ()
Additional contact information
Yanzhong Pei: Materials Science, California Institute of Technology
Xiaoya Shi: CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences
Aaron LaLonde: Materials Science, California Institute of Technology
Heng Wang: Materials Science, California Institute of Technology
Lidong Chen: CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences
G. Jeffrey Snyder: Materials Science, California Institute of Technology

Nature, 2011, vol. 473, issue 7345, 66-69

Abstract: Hot source The use of thermoelectric devices to convert waste heat into electricity is anticipated to find many applications, but most thermoelectric materials are relatively inefficient. Attempts are being made to improve this situation, with many researchers focusing on the use of nanostructuring to engineer the desired combination of thermal and electrical properties into the devices. Pei and colleagues now show that such a tailoring of properties is also possible in a bulk alloy through careful control of composition and chemical doping, yielding a high performance thermoelectric material.

Date: 2011
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DOI: 10.1038/nature09996

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