DOI: 10.1063/1.3182800. Improving thermoelectric performance of caged compounds through light-element filling

Improving thermoelectric performance of caged compounds through light-element filling

10.1063/1.3182800

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

Heavy elements filling have been considered the most effective way to improve the thermoelectric performance of caged compounds such as CoSb3 by reducing kL. Here, we show an opposite example of filling a light element, Na, into CoSb3 for obtaining high thermoelectric figure of merit ZT.ZT=1.25 at 850 K for Na0.48Co4Sb12 is one of the highest values among all reported single-element-filled CoSb3. The Na-filling scatters phonons less effectively but it results in relatively high mobility thus large power factor. This most likely comes from the extra electronic states near the Fermi level induced by Na.

Bibliography

Pei, Y. Z., Yang, J., Chen, L. D., Zhang, W., Salvador, J. R., & Yang, J. (2009). Improving thermoelectric performance of caged compounds through light-element filling. Applied Physics Letters, 95(4).

Authors 6

Y. Z. Pei (first)
Jiong Yang (additional)
L. D. Chen (additional)
W. Zhang (additional)
J. R. Salvador (additional)
Jihui Yang (additional)

References 34 Referenced 171

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Dates

Type	When
Created	16 years, 1 month ago (July 27, 2009, 6:27 p.m.)
Deposited	2 years, 1 month ago (July 30, 2023, 11:31 p.m.)
Indexed	1 week, 1 day ago (Aug. 23, 2025, 1:05 a.m.)
Issued	16 years, 1 month ago (July 27, 2009)
Published	16 years, 1 month ago (July 27, 2009)
Published Online	16 years, 1 month ago (July 27, 2009)
Published Print	16 years, 1 month ago (July 27, 2009)

Funders 0

None

BibTeX

@article{Pei_2009, title={Improving thermoelectric performance of caged compounds through light-element filling}, volume={95}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.3182800}, DOI={10.1063/1.3182800}, number={4}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Pei, Y. Z. and Yang, Jiong and Chen, L. D. and Zhang, W. and Salvador, J. R. and Yang, Jihui}, year={2009}, month=jul }

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