Single-Junction Organic Solar Cell with over 15% Efficiency Using Fused-Ring Acceptor with Electron-Deficient Core

Yu, 1995, Polymer photovoltaic cells - enhanced efficiencies via a network of internal donor-acceptor heterojunctions, Science, 270, 1789, 10.1126/science.270.5243.1789 Halls, 1996, Exciton diffusion and dissociation in a poly(p-phenylenevinylene)/C60 heterojunction photovoltaic cell, Appl. Phys. Lett., 68, 3120, 10.1063/1.115797 Thompson, 2008, Polymer-fullerene composite solar cells, Angew. Chem. Int. Ed., 47, 58, 10.1002/anie.200702506 Li, 2012, Polymer solar cells, Nat. Photonics, 6, 153, 10.1038/nphoton.2012.11 Li, 2008, Conjugated polymer photovoltaic materials with broad absorption band and high charge carrier mobility, Adv. Mater., 20, 2952, 10.1002/adma.200800606 Li, 2010, Polyphenylene-based materials for organic photovoltaics, Chem. Rev., 110, 6817, 10.1021/cr100052z Qian, 2018, Design rules for minimizing voltage losses in high-efficiency organic solar cells, Nat. Mater., 17, 703, 10.1038/s41563-018-0128-z Liu, 2014, Aggregation and morphology control enables multiple cases of high-efficiency polymer solar cells, Nat. Commun., 5, 5293, 10.1038/ncomms6293 Huang, 2014, Bulk heterojunction solar cells: morphology and performance relationships, Chem. Rev., 114, 7006, 10.1021/cr400353v Hu, 2017, Design of donor polymers with strong temperature-dependent aggregation property for efficient organic photovoltaics, Acc. Chem. Res., 50, 2519, 10.1021/acs.accounts.7b00293 Zhao, 2017, Molecular optimization enables over 13% efficiency in organic solar cells, J. Am. Chem. Soc., 139, 7148, 10.1021/jacs.7b02677 Lin, 2015, An electron acceptor challenging fullerenes for efficient polymer solar cells, Adv. Mater., 27, 1170, 10.1002/adma.201404317 Luo, 2018, Fine-tuning of molecular packing and energy level through methyl substitution enabling excellent small molecule acceptors for nonfullerene polymer solar cells with efficiency up to 12.54, Adv. Mater., 30, 1706124, 10.1002/adma.201706124 Xu, 2017, Highly efficient ternary-blend polymer solar cells enabled by a nonfullerene acceptor and two polymer donors with a broad composition tolerance, Adv. Mater., 29, 1704271, 10.1002/adma.201704271 Zhou, 2014, High performance all-polymer solar cell via polymer side-chain engineering, Adv. Mater., 26, 3767, 10.1002/adma.201306242 Baran, 2017, Reducing the efficiency-stability-cost gap of organic photovoltaics with highly efficient and stable small molecule acceptor ternary solar cells, Nat. Mater., 16, 363, 10.1038/nmat4797 Li, 2017, High efficiency near-infrared and semitransparent non-fullerene acceptor organic photovoltaic cells, J. Am. Chem. Soc., 139, 17114, 10.1021/jacs.7b11278 Meng, 2016, High-performance solution-processed non-fullerene organic solar cells based on selenophene-containing perylene bisimide acceptor, J. Am. Chem. Soc., 138, 375, 10.1021/jacs.5b11149 Wu, 2016, Covalently bound clusters of alpha-substituted PDI-rival electron acceptors to fullerene for organic solar cells, J. Am. Chem. Soc., 138, 7248, 10.1021/jacs.6b03562 Yao, 2018, Dithienopicenocarbazole-based acceptors for efficient organic solar cells with optoelectronic response over 1000 nm and an extremely low energy loss, J. Am. Chem. Soc., 140, 2054, 10.1021/jacs.7b13239 Ma, 2017, Ladder-type dithienonaphthalene-based small-molecule acceptors for efficient nonfullerene organic solar cells, Chem. Mater., 29, 7942, 10.1021/acs.chemmater.7b02887 Liu, 2017, Exploiting noncovalently conformational locking as a design strategy for high performance fused-ring electron acceptor used in polymer solar cells, J. Am. Chem. Soc., 139, 3356, 10.1021/jacs.7b00566 Xia, 2015, A spiro-bifluorene based 3D electron acceptor with dicyanovinylene substitution for solution-processed non-fullerene organic solar cells, J. Mater. Chem. A Mater. Energy Sustain., 3, 11086, 10.1039/C5TA00108K Jiang, 2018, Ternary nonfullerene polymer solar cells with 12.16% efficiency by introducing one acceptor with cascading energy level and complementary absorption, Adv. Mater., 30, 1703005, 10.1002/adma.201703005 Kan, 2018, Fine-tuning the energy levels of a nonfullerene small-molecule acceptor to achieve a high short-circuit current and a power conversion efficiency over 12% in organic solar cells, Adv. Mater., 30, 1704904, 10.1002/adma.201704904 Guo, 2014, Imide- and amide-functionalized polymer semiconductors, Chem. Rev., 114, 8943, 10.1021/cr500225d Cheng, 2018, Next-generation organic photovoltaics based on non-fullerene acceptors, Nat. Photonics, 12, 131, 10.1038/s41566-018-0104-9 Zhang, 2018, Over 14% efficiency in polymer solar cells enabled by a chlorinated polymer donor, Adv. Mater., 30, e1800868, 10.1002/adma.201800868 Fei, 2018, An alkylated indacenodithieno[3,2-b]thiophene-based nonfullerene acceptor with high crystallinity exhibiting single junction solar cell efficiencies greater than 13% with low voltage losses, Adv. Mater., 30, 1705209, 10.1002/adma.201705209 Li, 2018, A High-efficiency organic solar cell enabled by the strong intramolecular electron push-pull effect of the nonfullerene acceptor, Adv. Mater., 30, e1707170, 10.1002/adma.201707170 Sun, 2018, Dithieno[3,2-b:2′,3′-d]pyrrol fused nonfullerene acceptors enabling over 13% efficiency for organic solar cells, Adv. Mater., 30, e1707150, 10.1002/adma.201707150 Zhou, 2018, High-efficiency small-molecule ternary solar cells with a hierarchical morphology enabled by synergizing fullerene and non-fullerene acceptors, Nat. Energy, 3, 952, 10.1038/s41560-018-0234-9 Wang, 2018, Effect of isomerization on high-performance nonfullerene electron acceptors, J. Am. Chem. Soc., 140, 9140, 10.1021/jacs.8b04027 Huang, 2018, Highly efficient organic solar cells based on S,N-heteroacene non-fullerene acceptors, Chem. Mater., 30, 5429, 10.1021/acs.chemmater.8b02276 Zhang, 2015, A large-bandgap conjugated polymer for versatile photovoltaic applications with high performance, Adv. Mater., 27, 4655, 10.1002/adma.201502110 Rühle, 2016, Tabulated values of the Shockley–Queisser limit for single junction solar cells, Sol. Energy, 130, 139, 10.1016/j.solener.2016.02.015 Feng, 2017, Thieno[3,2-b]pyrrolo-fused pentacyclic benzotriazole-based acceptor for efficient organic photovoltaics, ACS Appl. Mater. Interfaces, 9, 31985, 10.1021/acsami.7b10995 Wu, 2015, Donor-acceptor conjugated polymers based on multifused ladder-type arenes for organic solar cells, Chem. Soc. Rev., 44, 1113, 10.1039/C4CS00250D Hu, 2015, Terthiophene-based D-A polymer with an asymmetric arrangement of alkyl chains that enables efficient polymer solar cells, J. Am. Chem. Soc., 137, 14149, 10.1021/jacs.5b08556 Park, 2009, Bulk heterojunction solar cells with internal quantum efficiency approaching 100%, Nat. Photonics, 3, 297, 10.1038/nphoton.2009.69 Chen, 2014, Low band-gap conjugated polymers with strong interchain aggregation and very high hole mobility towards highly efficient thick-film polymer solar cells, Adv. Mater., 26, 2586, 10.1002/adma.201305092 Lei, 2014, “Conformation locked” strong electron-deficient poly(p-phenylene vinylene) derivatives for ambient-stable n-type field-effect transistors: synthesis, properties, and effects of fluorine substitution position, J. Am. Chem. Soc., 136, 2135, 10.1021/ja412533d Uddin, 2015, Interplay of intramolecular noncovalent coulomb interactions for semicrystalline photovoltaic polymers, Chem. Mater., 27, 5997, 10.1021/acs.chemmater.5b02251 Huang, 2017, Organic and polymeric semiconductors enhanced by noncovalent conformational locks, Chem. Rev., 117, 10291, 10.1021/acs.chemrev.7b00084 Zhang, 2018, Conformation locking on fused-ring electron acceptor for high-performance nonfullerene organic solar cells, Adv. Funct. Mater., 28, 1705095, 10.1002/adfm.201705095 Chai, 2008, Long-range corrected hybrid density functionals with damped atom-atom dispersion corrections, Phys. Chem. Chem. Phys., 10, 6615, 10.1039/b810189b Frisch, 2016 Long, 2016, New insights into the correlation between morphology, excited state dynamics, and device performance of small molecule organic solar cells, Adv. Energy Mater., 6, 1600961, 10.1002/aenm.201600961 Yuan, 2016, Tetrafluoroquinoxaline based polymers for non-fullerene polymer solar cells with efficiency over 9%, Nano Energy, 30, 312, 10.1016/j.nanoen.2016.10.008 Liu, 2016, Fast charge separation in a non-fullerene organic solar cell with a small driving force, Nat. Energy, 1, 16089, 10.1038/nenergy.2016.89 Gong, 2011, Bulk heterojunction solar cells with large open-circuit voltage: electron transfer with small donor-acceptor energy offset, Adv. Mater., 23, 2272, 10.1002/adma.201003768 Rao, 2013, The role of spin in the kinetic control of recombination in organic photovoltaics, Nature, 500, 435, 10.1038/nature12339 Mai, 2018, Hidden structure ordering along backbone of fused-ring electron acceptors enhanced by ternary bulk heterojunction, Adv. Mater., 30, e1802888, 10.1002/adma.201802888