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Band Engineering of Thermoelectric Materials

Pei, Yanzhong and Wang, Heng and Snyder, G. J. (2012) Band Engineering of Thermoelectric Materials. Advanced Materials, 24 (46). pp. 6125-6135. ISSN 0935-9648.

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Lead chalcogenides have long been used for space-based and thermoelectric remote power generation applications, but recent discoveries have revealed a much greater potential for these materials. This renaissance of interest combined with the need for increased energy efficiency has led to active consideration of thermoelectrics for practical waste heat recovery systems—such as the conversion of car exhaust heat into electricity. The simple high symmetry NaCl-type cubic structure, leads to several properties desirable for thermoelectricity, such as high valley degeneracy for high electrical conductivity and phonon anharmonicity for low thermal conductivity. The rich capabilities for both band structure and microstructure engineering enable a variety of approaches for achieving high thermoelectric performance in lead chalcogenides. This Review focuses on manipulation of the electronic and atomic structural features which makes up the thermoelectric quality factor. While these strategies are well demonstrated in lead chalcogenides, the principles used are equally applicable to most good thermoelectric materials that could enable improvement of thermoelectric devices from niche applications into the mainstream of energy technologies.

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Snyder, G. J.0000-0003-1414-8682
Additional Information:© 2012 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. Received: July 18, 2012; Revised: August 16, 2012; Published online: October 17, 2012. This work is supported by NASA-JPL and DARPA Nano Materials Program. Y.P. would like to acknowledge the start-up funding from Tongji University and state key discipline construction special fund.
Funding AgencyGrant Number
DARPA Nano Materials ProgramUNSPECIFIED
Tongji UniversityUNSPECIFIED
State key discipline construction special fundUNSPECIFIED
Issue or Number:46
Record Number:CaltechAUTHORS:20130103-091851483
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Official Citation:Pei, Y., Wang, H. and Snyder, G. J. (2012), Band Engineering of Thermoelectric Materials. Adv. Mater., 24: 6125–6135. doi: 10.1002/adma.201202919
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:36138
Deposited By: Tony Diaz
Deposited On:10 Jan 2013 19:19
Last Modified:03 Mar 2020 13:01

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