Theoretical study on electronic structure and thermoelectric properties of PbSxTe1−x(x = 0.25, 0.5, and 0.75) solid solution Project supported by the National Natural Science Foundation of China (Grant Nos. 11647010 and 11704020), the Higher Education and High-quality and World-class Universities (Grant No. PY201611), and the Fund for Disciplines Construction from Beijing University of Chemical Technology (Grant No. XK1702). |
(color online) Transport coefficients map of PbSxTe1 − x as a function of carrier concentration and temperature for x = 0.25 (left), 0.50 (mid), and 0.75 (right), respectively. Panels (a)–(c) show the Seebeck coefficient, S (μV·K−1); panels (d)–(f) show the electronic conductivity, σ (mΩ−1⋅cm−1); panels (g)–(f) show the power factor, S 2σ(W⋅m−1⋅K−2). The negative scale of x axis stands for the n-type, while the positive scale represents the p-type. |
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