A Revisit to High Thermoelectric Performance of Single-layer MoS2
ZL Jin and QW Liao and HS Fang and ZC Liu and W Liu and ZD Ding and TF Luo and N Yang, SCIENTIFIC REPORTS, 5, 18342 (2015).
Both electron and phonon transport properties of single layer MoS2 (SLMoS2) are studied. Based on first-principles calculations, the electrical conductivity of SLMoS2 is calculated by Boltzmann equations. The thermal conductivity of SLMoS2 is calculated to be as high as 116.8 Wm(-1)K(-1) by equilibrium molecular dynamics simulations. The predicted value of ZT is as high as 0.11 at 500 K. As the thermal conductivity could be reduced largely by phonon engineering, there should be a high possibility to enhance ZT in the SLMoS2-based materials.
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