Nanostructuring and high thermoelectric efficiency in p-type Ag(Pb 1-ySny)mSbTe2+m

John Androulakis; Kuei Fang Hsu; Robert Pcionek; Huijun Kong; Ctirad Uher; Jonathan J. D'Angelo; Adam Downey; Tim Hogan; Mercouri G. Kanatzidis

doi:10.1002/adma.200502770

Nanostructuring and high thermoelectric efficiency in p-type Ag(Pb _1-ySn_y)_mSbTe_2+m

John Androulakis, Kuei Fang Hsu, Robert Pcionek, Huijun Kong, Ctirad Uher, Jonathan J. D'Angelo, Adam Downey, Tim Hogan, Mercouri G. Kanatzidis

Northwestern University

Research output: Contribution to journal › Article

299 Citations (Scopus)

Abstract

The characteristic features of nanostructuring and high thermoelectric (TE) efficiency in p-type Ag(Pb_1-ySn_y)_mSbTe _2+m, were analyzed. The search for efficient TE materials focuses on degenerate semiconductors since the underlying physics of these systems allow the coexistence of high thermopower values with high electrical conductivity to achieve high power factors. The electronic-transport properties of the compound system can be tuned primarily through carefully controlling the Pb/Sn ratio. The existence of the Pb/Sn ratio and the Ag and Sb concentration, allows for tuning of the electronic-transport properties and the identification of compositions with very high ZTs. The main advantage of this system is its exceptionally low lattice thermal conductivity.

Original language	English
Pages (from-to)	1170-1173
Number of pages	4
Journal	Advanced Materials
Volume	18
Issue number	9
DOIs	https://doi.org/10.1002/adma.200502770
Publication status	Published - May 2 2006

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ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

Cite this

Androulakis, J., Hsu, K. F., Pcionek, R., Kong, H., Uher, C., D'Angelo, J. J., Downey, A., Hogan, T., & Kanatzidis, M. G. (2006). Nanostructuring and high thermoelectric efficiency in p-type Ag(Pb _1-ySn_y)_mSbTe_2+m. Advanced Materials, 18(9), 1170-1173. https://doi.org/10.1002/adma.200502770

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10.1002/adma.200502770