Enhanced Thermoelectric Performance of Lightly Pb-Doped Sb₂Te₃ Polycrystalline Alloys for Power Generation in Midtemperature Range

Figure 2

Thermoelectric transport properties of the Sb_2–PbTe₃ samples. (a, e) Electrical conductivity, (b, f) Seebeck coefficient, (c, g) power factor, and (d, h) weighted mobility, as functions of temperature along the PE and PA directions, respectively.

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