Table 2.
reported performance parameters (VOC, JSC, FF, and η) of Cu2ZnSn(S,Se)4 (CZTSSe) based solar cells with Cu/(Zn + Sn) and Zn/Sn ratios, which described as variable chemical components.
| Component | Cu/(Zn + Sn) | Zn/Sn | VOC (V) | JSC (mA/cm2) | FF (%) | η (%) |
|---|---|---|---|---|---|---|
| Cu2ZnSn(S,Se)466 | 0.925 | 1.0 | 0.622 | 15.87 | 60.0 | 5.90 |
| Cu2ZnSn(S,Se)467 | 0.79 | 1.11 | 0.420 | 30.40 | 52.70 | 7.20 |
| Cu2ZnSn(S,Se)468 | 0.90 | 1.10 | 0.497 | 20.0 | 54.32 | 5.40 |
| Cu2ZnSn(S,Se)469 | 0.80 | 1.22 | 0.5627 | 24.07 | 60.0 | 8.13 |
| Cu2ZnSn(S,Se)470,71 | 0.80 | 1.20 | 0.516 | 28.60 | 65.0 | 9.66 |
| Cu2ZnSn(S,Se)433 | 0.80 | 1.20 | 0.517 | 30.80 | 63.70 | 10.10 |
| Cu2ZnSn(S,Se)424 | – | – | 0.4598 | 34.50 | 69.80 | 11.10 |
| Cu2ZnSn(S,Se)4 (experimental case-this work) | 0.80 | 1.20 | 0.501 | 35.34 | 65.62 | 11.62 |