Abstract:Two-dimensional (2D) materials with lower lattice thermal conductivity and high figure of merit are useful for applications in thermoelectric (TE) devices.In this work,the thermoelectric properties of monolayer Cu<sub>2</sub>X (X=S,Se) have been systematically researched through first-principles and Boltzmann transport theory.We have verified the dynamic stability of monolayer Cu<sub>2</sub>X (X=S,Se) through elastic constants and phonon dispersion.The results show that monolayer Cu<… Show more
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