Electronic transport and thermoelectric properties of phosphorene nanodisk under an electric field

The Seebeck coefficient is an important quantity in determining the thermoelectric efficiency of a material. Phosphorene two-dimensional material with puckered structure, which makes its properties anisotropic. In this work, phosphorene nanodisk (PDisk) radius 3.1 nm connected to two zigzag nanoribbons studied, numerically, by tight-binding and non-equilibrium Green’s function (NEGF) methods presence transverse perpendicular electric fields. Our results show that change structure from ribbon disk form creates energy gap such for typical nm, size 3.88 eV. Besides, change, maximum increases 1.54 2.03 mV/K. Furthermore, we can control electron transmission coefficients help numerical increase field, decreases changes. effect field on weaker than field. For applied 0.3 V/nm, enhances 2.09