Layers properties | ||||
| CIGSe | ZnS | ||
Thickness (μm) | 3 | 0.03 | ||
Band gap Eg (eV) | 1.19 | 3.6 | ||
Electron affinity χ (eV) | 4.5 | 4.2 | ||
Doping level (cm−3) | 5 × 1017 (a) | 1018 (d) | ||
Band offsets | CIGSe/ZnS | |||
EC (eV) | 0.3 | |||
EV (eV) | −2.11 | |||
η (%) | VOC (mV) | JSC (mA/cm2) | FF (%) | |
26 | 824.1 | 36.9 | 85.5 | |