Thermoelectric properties of a doped Mg2Sn system

Tae-Ho An, Soon-Mok Choi, Il-Ho Kim, Sun-Uk Kim, Won-Seon Seo, Jong-Young Kim and Chan Park

Renewable Energy, 2012, vol. 42, issue C, 23-27

Abstract: Mg2X (X = Si, Sn) thermoelectric materials are promising materials for converting solar-thermal energy to electricity. To investigate the effects of non-stoichiometric compositions and Ag-doping on the thermoelectric properties of Mg2Sn, Mg2Sn thermoelectric materials were synthesized via vacuum melting and the spark plasma sintering (SPS) process. For all compositions with a ratio of Mg:Sn atoms between 67:33 and 71:29, we obtained nearly single-phase Mg2Sn with traces of a second phase. All samples showed the transition of a p- to n-type Seebeck coefficient; however, there were slight differences.

Keywords: Thermoelectric; P type; Mg2Sn; Spark plasma sintering (SPS) (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (16)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:42:y:2012:i:c:p:23-27

DOI: 10.1016/j.renene.2011.09.030

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