Enhanced Power Conversion Efficiency of P3HT : PC<sub><b>71</b></sub>BM Bulk Heterojunction Polymer Solar Cells by Doping a High-Mobility Small Organic Molecule

<div>(a) <svg height="10.5647pt" id="M16" style="vertical-align:-1.928801pt" version="1.1" viewbox="-0.0498162 -8.6359 5.99765 10.5647" width="5.99765pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M429 650H175L169 622C251 614 259 612 244 532L174 152C163 91 152 37 135 -6C109 -72 67 -101 23 -113L33 -144C45 -143 73 -134 102 -119C186 -76 229 -1 254 133L327 532C341 609 347 613 423 622L429 650Z" id="g113-75"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="452" vert-adv-y="452"></glyph.data></g></svg>-<svg height="8.8423pt" id="M17" style="vertical-align:-0.2064009pt" version="1.1" viewbox="-0.0498162 -8.6359 9.35121 8.8423" width="9.35121pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M697 650H468L461 623L492 619C539 613 547 605 518 546C481 471 367 264 278 116H276C239 278 197 500 186 567C180 604 185 613 226 619L252 623L260 650H24L17 623C78 617 92 613 108 533L216 -11H247C365 200 515 462 560 529C616 612 624 615 689 623L697 650Z" id="g113-87"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="709" vert-adv-y="709"></glyph.data></g></svg> characteristics of P3HT : PC<sub>71</sub>BM PSCs with various TIPS-pentacene doping ratios. The inset shows the equivalent circuit model of PSC. (b) Relative change of the device parameters with increasing TIPS-pentacene doping ratios. The performance of pristine P3HT : PC<sub>71</sub>BM PSCs was chosen as reference and set to 100%. All other devices data were normalized to that reference.</div>

International Journal of Photoenergy

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Figure 3

Figure 3: Enhanced Power Conversion Efficiency of P3HT : PC<sub><b>71</b></sub>BM Bulk Heterojunction Polymer Solar Cells by Doping a High-Mobility Small Organic Molecule 

Figure 3 | Enhanced Power Conversion Efficiency of P3HT : PC71BM Bulk Heterojunction Polymer Solar Cells by Doping a High-Mobility Small Organic Molecule 