Non‐Fullerene Organic Solar Cells Based on Benzo[1,2‐b:4,5‐b′]difuran‐Conjugated Polymer with 14% Efficiency
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DOI: 10.1002/adfm.201906809
Abstract: The development of high‐performance donor polymers is important for obtaining high power conversion efficiencies (PCEs) of non‐fullerene polymer solar cells (PSCs). Currently, most high‐efficiency PSCs are fabricated with benzo[1,2‐b:4,5‐b′]dithiophene (BDT)‐based conjugated polymers. The photovoltaic performance… read more here.
Keywords: non fullerene; benzo difuran; efficiency; solar cells ... See more keywords
Superior Noise Suppression, Response Time, and Device Stability of Non‐Fullerene System over Fullerene Counterpart in Organic Photodiode
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DOI: 10.1002/adfm.202001402
Abstract: Herein, non‐fullerene acceptor‐based organic photodiodes are compared with fullerene acceptor‐based organic photodiodes. The non‐fullerene acceptor, ethylhexyl‐rhodanine‐benzothiadiazole‐coupled indacenodithiophene (eh‐IDTBR)‐based organic photodiodes show a higher detectivity (1.61 × 1013 cm Hz1/2 W−1) and a faster response time… read more here.
Keywords: time; based organic; organic photodiodes; fullerene acceptor ... See more keywords
Charge Photogeneration in Non‐Fullerene Organic Solar Cells: Influence of Excess Energy and Electrostatic Interactions
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DOI: 10.1002/adfm.202007479
Abstract: The work of M.S., P.S.M. and C.D. received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie Grant Agreement No. 722651 (SEPOMO). The work of C.W. and C.G. was… read more here.
Keywords: charge photogeneration; work; organic solar; non fullerene ... See more keywords
The molecular ordering and double channel carrier generation of non-fullerene photovoltaics within multi-length-scale morphology.
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DOI: 10.1002/adma.202108317
Abstract: The success of non-fullerene acceptor (NFA) solar cells lies in their unique physical properties beyond the extended absorption and suitable energy levels. The current study investigates the morphology and photo physical behavior of PM6 donor… read more here.
Keywords: multi length; carrier; carrier generation; non fullerene ... See more keywords
Fibrillization of Non‐Fullerene Acceptors Enables 19% Efficiency Pseudo‐Bulk Heterojunction Organic Solar Cells
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DOI: 10.1002/adma.202208211
Abstract: The structural order and aggregation of non‐fullerene acceptors (NFA) are critical toward light absorption, phase separation, and charge transport properties of their photovoltaic blends with electron donors, and determine the power conversion efficiency (PCE) of… read more here.
Keywords: organic solar; bulk heterojunction; pseudo bulk; solar cells ... See more keywords
Organic Solar Cells with Over 19% Efficiency Enabled by a 2D-Conjugated Non-fullerene Acceptor Featuring Favorable Electronic and Aggregation Structures.
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DOI: 10.1002/adma.202300363
Abstract: The π-expansion of non-fullerene acceptors is a promising method for boosting the organic photovoltaic performance by allowing the fine-tuning of electronic structures and molecular packing. In this work, highly efficient organic solar cells (OSCs) are… read more here.
Keywords: organic solar; acceptor; solar cells; non fullerene ... See more keywords
Understanding and Suppressing Non-radiative Recombination Losses in Non-fullerene Organic Solar Cells.
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DOI: 10.1002/adma.202302452
Abstract: Organic solar cells benefit from non-fullerene acceptors (NFA) due to their high absorption coefficients, tunable frontier energy levels and optical gaps, as well as their relatively high luminescence quantum efficiencies as compared to fullerenes. Those… read more here.
Keywords: organic solar; recombination; solar cells; non fullerene ... See more keywords
Bromination: Bromination: An Alternative Strategy for Non‐Fullerene Small Molecule Acceptors (Adv. Sci. 9/2020)
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DOI: 10.1002/advs.202070049
Abstract: In article number https://doi.org/10.1002/advs.201903784, Feng He and co‐workers report a bromination strategy for efficient non‐fullerene acceptors with solar conversion efficiency over 16%. The single crystal structures reveal that these brominated acceptors exhibit good planarity in… read more here.
Keywords: bromination; bromination alternative; non fullerene; strategy ... See more keywords
Simultaneously Achieving Highly Efficient and Stable Polymer:Non‐Fullerene Solar Cells Enabled By Molecular Structure Optimization and Surface Passivation
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DOI: 10.1002/advs.202104588
Abstract: Despite the tremendous efforts in developing non‐fullerene acceptor (NFA) for polymer solar cells (PSCs), only few researches are done on studying the NFA molecular structure dependent stability of PSCs, and long‐term stable PSCs are only… read more here.
Keywords: polymer; surface passivation; solar cells; non fullerene ... See more keywords
Constructing High‐Performance Organic Photovoltaics via Emerging Non‐Fullerene Acceptors and Tandem‐Junction Structure
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DOI: 10.1002/aenm.202000746
Abstract: In consideration of the unique advantages of new non‐fullerene acceptors and the tandem‐junction structure, organic photovoltaics (OPVs) based on them are very promising. Studies related to this emerging area began in 2016 with achieved power… read more here.
Keywords: fullerene acceptors; acceptors tandem; non fullerene; junction structure ... See more keywords
A History and Perspective of Non‐Fullerene Electron Acceptors for Organic Solar Cells
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DOI: 10.1002/aenm.202003570
Abstract: Organic solar cells are composed of electron donating and accepting organic semiconductors. Whilst a significant palette of donors has been developed over three decades, until recently only a small number of acceptors have proven capable… read more here.
Keywords: organic solar; perspective non; history perspective; non fullerene ... See more keywords