Table 6 Energy band alignment parameters of BSF materials with the CZTS absorber.
BSF Material | PTAA | Zn₃P₂ | SnS | MoOx | CNTS | CuI | V₂O₅ | Cu₂O |
|---|---|---|---|---|---|---|---|---|
CBO (eV) | 1.90 | 0.00 | 0.00 | 1.90 | 0.33 | 2.10 | 0.80 | 1.00 |
VBO (eV) | −0.39 | + 0.05 | −0.15 | −0.15 | −0.04 | −0.35 | −0.05 | −0.28 |
BSF Material | PTAA | Zn₃P₂ | SnS | MoOx | CNTS | CuI | V₂O₅ | Cu₂O |
|---|---|---|---|---|---|---|---|---|
CBO (eV) | 1.90 | 0.00 | 0.00 | 1.90 | 0.33 | 2.10 | 0.80 | 1.00 |
VBO (eV) | −0.39 | + 0.05 | −0.15 | −0.15 | −0.04 | −0.35 | −0.05 | −0.28 |
