Low Thermal Conductivity and High Thermoelectric Performance of Nb-Doped Quarternary Mixed Crystal Nb0.05W0.95-xMox(Se1–xSx)2
Mazhar Hussain Danish,
Nisar Muhammad,
Tao Chen
et al.
Abstract:Transition-metal dichalcogenide WSe 2 has attracted increasing interest due to its large thermopower (S), low-cost, and environment-friendly constituents. However, its thermoelectric figure of merit, ZT, of WSe 2 is limited due to its large lattice thermal conductivity (κ L ) and low electrical conductivity. In view of WSe 2 and MoS 2 having the same crystal structure, here we designed and prepared Nb-doped quarternary mixed crystal (MC) Nb 0.05 W 0.95−x Mo x (Se 1−x S x ) 2 (0 ≤ x ≤ 0.095). The results indica… Show more
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