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>EQE spectra of P3HT : PC<sub>71</sub>BM PSCs with various TIPS-pentacene doping ratios. The inset shows the integral <svg height="11.9316pt" id="M41" style="vertical-align:-3.2957pt" version="1.1" viewbox="-0.0498162 -8.6359 16.2158 11.9316" width="16.2158pt" 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><g transform="matrix(.0091,0,0,-0.0091,5.031,3.132)"><path d="M416 501L399 642C356 655 314 665 271 665C140 665 63 582 63 486C63 372 163 325 229 290C304 250 359 217 359 142C359 70 316 25 240 25C138 25 94 125 78 186L44 178C52 123 64 45 72 21C81 16 96 8 121 0S179 -15 220 -15C353 -15 445 68 445 176C445 289 350 335 270 375C191 414 143 449 143 520C143 572 177 627 253 627C340 627 366 556 382 495L416 501Z" id="g58-81"></path><glyph.data ascent="1007" descent="-369" horiz-adv-x="484" vert-adv-y="484"></glyph.data></g><g transform="matrix(.0091,0,0,-0.0091,9.435,3.132)"><path d="M618 181C565 77 513 26 413 26C264 26 151 150 151 336C151 486 240 625 407 625C516 625 573 582 600 475L634 483C627 540 622 581 613 638C585 643 518 665 435 665C211 665 46 526 46 315C46 158 157 -15 406 -15C480 -15 564 4 594 12C612 43 638 121 651 168L618 181Z" id="g58-65"></path><glyph.data ascent="1007" descent="-369" horiz-adv-x="673" vert-adv-y="673"></glyph.data></g></svg> of PSCs with various TIPS-pentacene doping ratios.</div>

International Journal of Photoenergy

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Figure 4

Figure 4: 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 4 | Enhanced Power Conversion Efficiency of P3HT : PC71BM Bulk Heterojunction Polymer Solar Cells by Doping a High-Mobility Small Organic Molecule 