Table 1. Measured Silicon Solar Cells Efficiency Values, Open-Circuit Voltage, Short-Circuit Current Density, Fill Factor, Series and Shunt Resistances before and after Spin Coating of the Back Contact with Four Layers of PT, PT-Au, and PT-Pd.
| sample | polymer/nanocomposite | V∝ (mV) | JSC (mA/cm2) | FF (%) | efficiency (%) | Rs (Ω) | Rsh (Ω) | |
|---|---|---|---|---|---|---|---|---|
| 1 | PT-CTAB | before | 606.00 | 40.30 | 66.73 | 16.30 | 3.07 | 666.60 |
| after | 614.60 | 40.32 | 70.50 | 17.47 | 2.77 | 666.60 | ||
| increase % | 1.40 | 0.0004 | 5.99 | 7.17 | –10.83 | 0.00 | ||
| 2 | PT-CTAB Au 5% | before | 624.32 | 39.42 | 67.14 | 16.53 | 3.28 | 666.60 |
| after | 630.60 | 39.58 | 71.04 | 17.73 | 2.74 | 666.60 | ||
| increase % | 1.00 | 0.40 | 5.80 | 7.25 | –19.70 | 0.00 | ||
| 3 | PT-CTAB Au 10% | before | 628.90 | 36.60 | 70.90 | 16.30 | 2.96 | 666.60 |
| after | 632.80 | 36.09 | 72.15 | 16.48 | 2.89 | 671.40 | ||
| increase % | 0.62 | –1.41 | 1.76 | 1.10 | –2.42 | 0.68 | ||