Energy Material Advances / 2021 / Article / Fig 5

Research Article

Rare-Earth Nd Inducing Record-High Thermoelectric Performance of (GeTe)85(AgSbTe2)15

Figure 5

Analysis of thermal performance and optimized zT values. (a) Temperature-dependent , (b) , (c) , and (d) zT values of the as-sintered Ge0.74Ag0.13Sb0.13-xNdxTe (, 0.02, and 0.04). (e) Comparison of the obtained zTmax of Ge0.74Ag0.13Sb0.11Nd0.02Te with other rare-earth element-doped TAGS-85 [30, 31] and (f) cycle test results for Ge0.74Ag0.13Sb0.11Nd0.02Te.