Table 1 Photovoltaic performance of non-selenized CIGS solar cells with different conditions of ZnO nanorod antireflection coating
Device | Tapered ZnO nanorods | Electrical properties | |||||
|---|---|---|---|---|---|---|---|
ID | (diameter, nm) | Voc (mV) | FF (%) | Jsc (mA/cm2) | η(%) | Improvement (η, %) | Rw (%) |
1 | - | 553 | 72.3 | 22.7 | 9.1 | 25.1 | |
2 | 50 | 551 | 72.2 | 25.2 | 10.0 | +9.8 | 12.6 |
3 | 40 | 552 | 72.2 | 26.9 | 10.7 | +17.5 | 9.6 |
4 | 30 | 552 | 70.1 | 28.5 | 11.0 | +20.8 | 9.1 |
5 | 20 | 553 | 68.4 | 29.4 | 11.1 | +21.9 | 9.1 |
6 | 15 | 553 | 68.4 | 29.5 | 11.1 | +21.9 | 9.0 |