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Enhanced thermoelectric performance through energy-filtering effects in nanocomposites dispersed with metallic particles
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10.1063/1.4755768
/content/aip/journal/apl/101/13/10.1063/1.4755768
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/13/10.1063/1.4755768
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Figures

Image of FIG. 1.
FIG. 1.

Temperature dependence of thermoelectric coefficients for PbTe with metallic nanoinclusions calculated with n = 5 × 1025 m−3, r 0 = 2 nm, ni = 0.2 vol.%, and the optimal values of Vb . (a) The electrical conductivity and Seebeck coefficient. (b) The power factor and ZT 0. (c) The optimal values of Vb for power factor (filled square) and ZT 0 (filled diamond).

Image of FIG. 2.
FIG. 2.

Barrier height dependence of thermoelectric coefficients for PbTe with 0.01 vol. % metallic nanoinclusions. (a) The electrical conductivity and Seebeck coefficient. (b) The power factor and ZT 0 calculated with n = 5 × 1025 m−3, r 0 = 20/40 nm, and T = 300 K. (c) The power factor and ZT 0 calculated with n = 1 × 1025 m−3, r 0 = 20 nm, and T = 300 K. (d) The power factor and ZT 0 calculated with n = 5 × 1025 m−3, r 0 = 20 nm, and T = 600 K.

Image of FIG. 3.
FIG. 3.

Size dependence of room temperature ZT 0 calculated with n = 5 × 1025 m−3 (a) for ni = 0.01 vol. % and different barrier height Vb and (b) for Vb  = 0.2 eV and different concentration of inclusions ni.

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/content/aip/journal/apl/101/13/10.1063/1.4755768
2012-09-24
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Enhanced thermoelectric performance through energy-filtering effects in nanocomposites dispersed with metallic particles
http://aip.metastore.ingenta.com/content/aip/journal/apl/101/13/10.1063/1.4755768
10.1063/1.4755768
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