| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Espindola, Moises
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2023A novel two-step route to unidirectional growth of multilayer MoS2 nanoribbonscitations
- 2022Enabling roll-processed and flexible Organic Solar Cells based on PffBT4T through temperature-controlled slot-die coating.citations
- 2021Lifetime Study of Organic Solar Cells with O-IDTBR as Non-Fullerene Acceptorcitations
- 2020Energy band alignment at the heterointerface between CdS and Ag-alloyed CZTScitations
- 2020Monolithic thin-film chalcogenide–silicon tandem solar cells enabled by a diffusion barriercitations
- 2020Persistent Double-Layer Formation in Kesterite Solar Cells: A Critical Reviewcitations
- 2019Thin films of CZTS and CZTO for solar cells produced by pulsed laser deposition
Places of action
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article
Enabling roll-processed and flexible Organic Solar Cells based on PffBT4T through temperature-controlled slot-die coating.
Abstract
Although the mark of 18% power conversion efficiency (PCE) was surpassed recently, organic solar cells (OSCs) still have several challenges to overcome in order to fully compete with silicon-based solar cells in the energy market. One of the main challenges is upscaling of the technology. Despite the recent advances in PCEs, a big scalability gap still exists between the best lab-scale device and large-scale modules fabricated via roll-to-roll process. The polymer donor PffBT4T-C<sub>9</sub>C<sub>13</sub> has already shown efficiencies of almost 12% together with PCBM. Combined with the NFA O-IDTBR, a reduced voltage loss of 0.5 V between the optical band gap and VOC is obtained, with an open-circuit voltage up to 1.12 V, which is one of the highest values reported for OSCs. In this work, we demonstrate a route to up-scaling OSCs based on PffBT4T-C<sub>9</sub>C<sub>13</sub>:O-IDTBR through temperature-controlled slot-die coating, solving the challenges of the temperature dependent aggregation (TDA) behavior, which strongly affects the efficiency of the device. Efficiencies above 4% were achieved in our flexible and roll-processed devices with an area of ~1 cm2 and the different origins of the scalability lag were studied. As an additional necessary step for scalability, we incorporate the use of a hydrocarbon-based solvent to remove the environmentally dangerous halogenated solvents. To the best of our knowledge, this is the first work reporting PffBT4T:O-IDTBR solar cells fabricated in open air using slot-die coating in a roll-platform with flexible substrates, that mimics large-scale roll-to-roll processing.