Table 2 Energies of electronic transitions of phosphorene and arsenene systems computed within the G0W0 approach, (i) and (d) denote indirect and direct transitions respectively.
From: Electronic and optical properties of the buckled and puckered phases of phosphorene and arsenene
2D system | Transition energy (eV) |
|---|---|
Blue phosphorene | 1: 2.95 (i) band-gap |
2: 2.98 (i) | |
3: 3.02 (i) | |
4: 3.09 (i) | |
5: 3.21 (i) | |
Black phosphorene | 1: 1.83 (d) band-gap |
2: 2.05 (i) | |
3: 2.11 (i) | |
Arsenene (buckled) | 1: 2.56 (i) band-gap |
2: 2.90 (d) | |
3: 2.94 (i) | |
Arsenene (puckered) | 1: 1.51 (i) band-gap |
2: 1.55 (d) | |
3: 1.62 (d) | |
4: 1.71 (i) | |
5: 1.78 (i) | |
6: 1.93 (i) | |
7: 1.97 (i) |
