Research Article
Enhanced Power Conversion Efficiency of P3HT : PC71BM Bulk Heterojunction Polymer Solar Cells by Doping a High-Mobility Small Organic Molecule
Table 1
Comparison of device characteristics of P3HT : PC71BM PSCs with various TIPS-pentacene doping ratios.
| Doping ratio (wt%) | (V) | (mA/cm2) | FF (%) | PCE (%) | (Ω⋅cm2) | (Ω⋅cm2) |
| Control | 0.59 (±0.01) | 9.63 (±0.14) | 54.6 (±1.1) | 3.10 (±0.22) | 1.61 (±1.17) | 290 (±36) | 0.3 | 0.59 (±0.01) | 10.05 (±0.19) | 58.4 (±0.8) | 3.46 (±0.15) | 1.37 (±0.11) | 561 (±58) | 0.6 | 0.61 (±0.01) | 10.86 (±0.17) | 62.4 (±0.6) | 4.13 (±0.12) | 0.98 (±0.08) | 708 (±67) | 0.9 | 0.61 (±0.01) | 10.31 (±0.21) | 60.3 (±0.9) | 3.79 (±0.17) | 1.15 (±0.13) | 689 (±57) | 1.2 | 0.61 (±0.01) | 8.95 (±0.22) | 53.3 (±1.5) | 2.91 (±0.26) | 1.87 (±0.20) | 348 (±41) |
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