Journal
CHEMICAL PHYSICS LETTERS
Volume 537, Issue -, Pages 62-64Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2012.04.025
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Funding
- National Science Foundation of China [20973174, 91122015]
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The thermoelectric properties of p-type doped AgGaTe2 with chalcopyrite structure have been investigated within DFT theoretical framework. The electrical transportations of AgGaTe2 strongly depend on the doping level as well as the temperature. The Seebeck coefficients at various temperatures corresponding to the optimal doping level are all about 270 mu V/K. Thus the optimal doped AgGaTe2 could be obtained by adjusting the Seebeck coefficient to 270 mu V/K in the future experiment. The figure of merit of AgGaTe2 at 900 K reaches 1.19 under optimal doping level indicating AgGaTe2 is a very promising thermoelectric material. (C) 2012 Elsevier B.V. All rights reserved.
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