Table 2 Parameters for the defects in materials and at interfaces.
From: Device simulation of highly efficient eco-friendly CH3NH3SnI3 perovskite solar cell
Parameters | TiO2 | CH3NH3SnI3 | Cu2O | TiO2/CH3NH3SnI3 interface | CH3NH3SnI3/Cu2O interface |
|---|---|---|---|---|---|
Defect type | Neutral | Neutral | Neutral | Neutral | Neutral |
σn (cm−2) | 1 × 10–15 | 2.5 × 10–13 | 1 × 10–15 | 1 × 10–15 | 1 × 10–15 |
σp (cm−2) | 1 × 10–15 | 8.5 × 10–15 | 1 × 10–15 | 1 × 10–15 | 1 × 10–15 |
Energy distribution | Single | Gaussian | Single | Single | Single |
Energy level with respect to Ev (above Ev) (eV) | 0.600 | 0.650 | 0.100 | 0.600 | 0.600 |
Characteristic energy (eV) | – | 0.100 | – | – | – |
Nt (cm−3) | 1 × 1014 | 3.029 × 1016 (variable) | 1 × 1014 | 1 × 1010 | 1 × 1010 |
