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

Table 1

Structural parameters and binding energies of metal atoms on phosphorene.

	Distance to P1 (Å)	Distance to P2 (Å)	Distance layer (Å)	Binding energy (eV/atom)
Cu	2.22	2.34	1.01	−2.13
Ag	2.56	2.75	1.78	−1.24
Au	2.45	2.47	1.63	−2.31
Li	2.47	2.56	1.46	−1.97
Na	2.81	2.91	1.97	−1.37