Table 1 Layer Thickness (LT: Å), total energy (E: meV/atom) relative to α-P and energy band gaps (Eg: eV) for different phosphorene allotropes simulated from both DFT and HSE method.

From: Five low energy phosphorene allotropes constructed through gene segments recombination

system

LT

E-DFT

E-HSE

Eg-DFT

Eg-HSE

α-P

2.126

0

0

0.781

1.533

α -P bilayer

7.711

−46

Hittorfene

9.344

−58

η-P

3.484

38

56

0.913

1.721

θ-P

3.541

15

33

1.183

1.995

G1-P

3.478

−9

−4

0.707

1.491

G2-P

3.464

14

33

1.124

1.931

G3-P

3.439

41

58

1.162

1.977

B1-P

3.497

17

34

0.761

1.526

B2-P

3.492

34

52

0.899

1.791