Table 3. Optimized structural parameters and calculated formation energies, Fermi levels, band gaps for B, C, N, O, F, P, Sb and Bi doped in arsenene monolayers.

	Formation energy (eV)	Fermi level (eV)	Band gap (eV)	Bond length (Ǻ)	Bond angle (deg)
B	−1.012	−3.51	0.76	2.070	114.881
C	−1.212	−2.78	0	1.991	114.595
N	−0.494	−3.66	0.68	2.041	102.818
O	−0.034	−3.14	0	2.143	113.584
F	0.576	−3.75	1.77	2.470	118.622
P	−0.262	−3.58	1.69	2.410	93.777
Sb	0.853	−2.84	1.24	2.659	86.803
Bi	1.227	−2.56	1.10	2.738	82.854
Arsenene	/	−3.65	1.59	2.505	92.097