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Issue 45, 2013
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Evaluating the potential for high thermoelectric efficiency of silver selenide

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Abstract

Measurements and modeling of electronic transport properties of n-type Ag2+xSe suggest that this material could have a thermoelectric figure of merit zT greater than 1 at 300 K and above. The exceptional performance can be traced to the exceptionally high mobility, higher than other optimized thermoelectric materials. Although zT decreases at high temperature because of a transition to a phase with high carrier concentration, our model indicates that reducing the carrier concentration will lead to high thermoelectric performance at room temperature for cooling applications as well as up to 600 K for waste heat recovery.

Graphical abstract: Evaluating the potential for high thermoelectric efficiency of silver selenide

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Article information


Submitted
12 Sep 2013
Accepted
11 Oct 2013
First published
18 Oct 2013

J. Mater. Chem. C, 2013,1, 7568-7573
Article type
Paper

Evaluating the potential for high thermoelectric efficiency of silver selenide

T. Day, F. Drymiotis, T. Zhang, D. Rhodes, X. Shi, L. Chen and G. J. Snyder, J. Mater. Chem. C, 2013, 1, 7568
DOI: 10.1039/C3TC31810A

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