Research Article
Effect of Different HTM Layers and Electrical Parameters on ZnO Nanorod-Based Lead-Free Perovskite Solar Cell for High-Efficiency Performance
Table 4
Effect of different back contact.
| | Back contact material | Ag | Fe | Cu | Au | Ni | Pt |
| | Metal work function, Φm (eV) | 4.74 | 4.81 | 5.00 | 5.10 | 5.50 | 5.70 | | Efficiency (%) for Cu2O | 16.3 | 17.8 | 18.7 | 18.60 | 18.69 | 18.71 | | Efficiency (%) for CuSCN | 13.1 | 13.3 | 13.45 | 15.75 | 17.68 | 17.60 | | Efficiency (%) for spiro-OMeTAD | 13.9 | 14.7 | 17.7 | 17.80 | 17.72 | 17.75 |
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