The performance of new polymer solar cells based on thiophene and thienyl-quinoxaline with the post treatments

Thompson, 2008, Polymer–fullerene composite solar cells, Angew Chem, Int Ed, 47, 58, 10.1002/anie.200702506 Gunes, 2007, Conjugated polymer-based organic solar cells, Chem Rev, 107, 1324, 10.1021/cr050149z Liang, 2010, For the bright future—bulk heterojunction polymer solar cells with power conversion efficiency of 7.4%, Adv Mater, 22, E135, 10.1002/adma.200903528 Zhou, 2010, Enhanced photovoltaic performance of low-band gap polymers with deep LUMO levels, Angew Chem, Int Ed, 49, 7992, 10.1002/anie.201003357 Price, 2011, Fluorine substituted conjugated polymer of medium band gap yields 7% efficiency in polymer−fullerene solar cells, J Am Chem Soc, 133, 4625, 10.1021/ja1112595 Park, 2009, Bulk heterojunction solar cells with internal quantum efficiency approaching 100%, Nat Photo, 3, 297, 10.1038/nphoton.2009.69 Li, 2012, Recent progress in polymer solar cells: manipulation of polymer:fullerene morphology and the formation of efficient inverted polymer solar cells, Nat photo, 6, 153, 10.1038/nphoton.2012.11 Huo, 2011, Replacing alkoxy groups with alkylthienyl groups: a feasible approach to improve the properties of photovoltaic polymers, Angew Chem, Int Ed, 50, 1, 10.1002/anie.201103313 Huo, 2011, Synthesis of a polythieno[3,4-b]thiophene derivative with a low-lying HOMO level and its application in polymer solar cells, Chem Commun, 47, 8850, 10.1039/c1cc12643a Kim, 2007, Efficient tandem polymer solar cells fabricated by all-solution processing, Science, 317, 222, 10.1126/science.1141711 Lee, 2010, Optimization of an electron transport layer to enhance the power conversion efficiency of flexible inverted organic solar cells, Nano Res Lett, 5, 1908, 10.1007/s11671-010-9769-9 Chen, 2009, Recent progress in polymer solar cells: manipulation of polymer: fullerene morphology and the formation of efficient inverted polymer solar cells, Adv Mater, 21, 1434, 10.1002/adma.200802854 He, 2011, Largely enhanced efficiency with a PFN/Al bilayer cathode in high efficiency bulk heterojunction photovoltaic cells with a low bandgap polycarbazole donor, Adv Mater, 23, 3086, 10.1002/adma.201101319 Zou, 2010, A thieno[3,4-c]pyrrole-4,6-dione-based copolymer for efficient solar cells, J Am Chem Soc, 132, 5330, 10.1021/ja101888b Son, 2012, Overcoming efficiency challenges in organic solar cells: rational development of conjugated polymers, Energy Environ Sci, 5, 8158, 10.1039/c2ee21608f Wang, 2010, An easily synthesized blue polymer for high-performance polymer solar cells, Adv Mater, 22, 5240, 10.1002/adma.201002225 Lu, 2013, Fluorine substituted thiophene–quinoxaline copolymer to reduce HOMO level and increase dielectric constant for high open-circuit voltage organic solar cell, J Mater Chem C, 1, 630, 10.1039/C2TC00327A Kim, 2013, High-efficiency polymer solar cells with a cost-effective quinoxaline polymer through nanoscale morphology control induced by practical processing additives, Energy Environ Sci, 6, 1909, 10.1039/c3ee00110e