Optimization of Carrier Concentration in Cu22Sn10S32 through In- and Zn-Doping for Enhanced Thermoelectric Performance
Xiangbin Chen,
Suiting Ning,
Tian Yu
et al.
Abstract:Cu 22 Sn 10 S 32 is a recently discovered material in the Cu−Sn−S system, which contains a relatively high intrinsic carrier concentration. In this work, Zn-and In-doped Cu 22 Sn 10 S 32 compounds were prepared by ball milling combined with spark plasma sintering. It is found that the incorporation of In and Zn at the Cu site leads to a decrease of electrical conductivity, which is primarily due to the reduction in hole carrier concentration. The In doping shows a much stronger effect on the reduction of elect… Show more
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