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Issue 9, 2013
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High thermoelectric performance in tellurium free p-type AgSbSe2

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Abstract

Enhanced electrical transport and ultra low thermal conductivity resulted in a high thermoelectric figure of merit, ZT, of ∼1 and ∼1.15 at ∼680 K in 4 mol% Pb and 2 mol% Bi doped AgSbSe2, which are 150 and 190% higher compared to that of the pristine sample, respectively. With this excellent thermoelectric performance, p-type AgSbSe2, constituting earth abundant Se, offers promise to replace traditional metal tellurides containing expensive and scarce Te for mid temperature (350–700 K) thermoelectric applications.

Graphical abstract: High thermoelectric performance in tellurium free p-type AgSbSe2

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Supplementary files

Article information


Submitted
08 Jun 2013
Accepted
26 Jun 2013
First published
26 Jun 2013

Energy Environ. Sci., 2013,6, 2603-2608
Article type
Communication

High thermoelectric performance in tellurium free p-type AgSbSe2

S. N. Guin, A. Chatterjee, D. S. Negi, R. Datta and K. Biswas, Energy Environ. Sci., 2013, 6, 2603 DOI: 10.1039/C3EE41935E

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