Journal
SCRIPTA MATERIALIA
Volume 126, Issue -, Pages 6-10Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2016.08.009
Keywords
Thermoelectric materials; SnSe doped; Hot-pressing
Categories
Funding
- Natural Science Foundation of China [11374306]
- Anhui Provincial Natural Science Foundation [1608085MA17, 1408085QB45]
- Institute of Solid State Physics [2016DFS01]
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In this study, we have synthesized SnSe doped with zinc (Zn) and investigated the effect of Zn doping on the thermoelectric properties of SnSe. The results demonstrate that a high thermoelectric figure of merit (ZT) of 0.96 at 873 K is obtained for Zn0.01Sn0.99Se, which is 41% higher than that of pure SnSe (ZT = 0.68). The value is the highest value reported for p-type polycrystalline doped SnSe materials, which arises from the increased power factor coming from a high electrical conductivity and an enhanced Seebeck coefficient. (C) 2016 Acta Materialia Inc Published by Elsevier Ltd. All rights reserved.
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