|Theoretical study of thermoelectric properties of MoS2|
|H. H. Guo; T. Yang; P. Tao; Z. D. Zhang
|Source Publication||Chinese Physics B
|Abstract||We systematically studied the thermoelectric properties of MoS2 with doping based on the Boltzmann transport theory and first-principles calculations. We obtained an optimal doping region (around 10(19) cm(-3)) for thermoelectric properties along in-plane and cross-plane directions. MoS2 in the optimal doping region has a vanishingly small anisotropy of thermopower possibly due to the decoupling of in-plane and cross-plane conduction channels, but big anisotropies of electrical conductivity sigma and electronic thermal conductivity kappa(e) arising from the anisotropic electronic scattering time. The kappa(e) is comparable to the lattice counterpart kappa(1) in the plane, while kappa(1) dominates over kappa(e) across the plane. The figure of merit ZT can reach 0.1 at around 700 K with in-plane direction preferred by doping.|
|description.department||[yang teng] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china.
; yang, t (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china.
H. H. Guo,T. Yang,P. Tao,et al. Theoretical study of thermoelectric properties of MoS2[J]. Chinese Physics B,2014,23(1).
H. H. Guo,T. Yang,P. Tao,&Z. D. Zhang.(2014).Theoretical study of thermoelectric properties of MoS2.Chinese Physics B,23(1).
H. H. Guo,et al."Theoretical study of thermoelectric properties of MoS2".Chinese Physics B 23.1(2014).
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