| Material Properties | MAPbxSn1−xI3 | Spiro-OMETAD | TiO2 | FTO |
| X (µm) | 0.3 | 0.05 | 0.03 | 0.5 |
| Eg (eV) | (see Figure 2) | 3.0 [19] | 3.3 [20] | 3.5 [20] |
| χ (eV) | 3.9 [21] | 2.45 [19] | 4.4 [20] | 4 [20] |
| εr | 6.5 [22] | 3 [19] | 9 [20] | 9 [20] |
| Nc (cm−3) | 2 × 1018 | 2 × 1018 [23] | 2 × 1018 | 2 × 1018 |
| Nv (cm−3) | 1019 | 1019 | 1019 | 1.8 × 1018 |
| vn (cm∙s−1) | 107 | 107 | 107 | 107 |
| vh (cm∙s−1) | 107 | 107 | 107 | 107 |
| μn/μh (cm2/v.s) | 2.0/2.0 [24] | 2 × 104/2 × 104 [22] | 20/10 [20] | 20/10 [20] |
| Nd (cm−3) | varied | 0 | 1016 | 2 × 1019 |
| Na (cm−3) | 0 | 1018 | 0 | 0 |
| Nt (cm−3) | 1014 | 1014 | 1014 | 1014 |
| Et (eV)/distribution | 0.7 eV above eV | 0.1 eV above eV | 0.6 eV above eV | 0.6 eV above eV |