Realization of N-Type Semiconducting of Phosphorene through Surface Metal Doping and Work Function Study

Figure 3

(a, b) Electronic band structures of Li (a) and Na (b) doped phosphorene; (c, d) density of state of Li (c) and Na (d) doped phosphorene; the contributions from Li and Na are multiplied by 50 for clear view. The blue-coloured dash lines indicate the Fermi level.

(a)

(b)

(c)

(d)