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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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Kopidakis, Nikos
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (5/5 displayed)
- 2018Application of an A-A′-A-Containing Acceptor Polymer in Sequentially Deposited All-Polymer Solar Cellscitations
- 2015Impact of the Crystallite Orientation Distribution on Exciton Transport in Donor-Acceptor Conjugated Polymerscitations
- 2014Additive-assisted supramolecular manipulation of polymer:fullerene blend phase morphologies and its influence on photophysical processescitations
- 2012Photoinduced Charge Carrier Generation and Decay in Sequentially Deposited Polymer/Fullerene Layers: Bulk Heterojunction vs. Planar Interfacecitations
- 2012Benzodithiophene and Imide-Based Copolymers for Photovoltaic Applicationscitations
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article
Application of an A-A′-A-Containing Acceptor Polymer in Sequentially Deposited All-Polymer Solar Cells
Abstract
<p>PNNT has been prepared as a polymeric electron acceptor for organic solar cells. The polymer has an A-A′-A acceptor motif linked alternatively with thiophene and vinyl moieties. The A′-unit is a naphthalene diimide, while the A groups are thiazoles. PNNT films were found to have an estimated electron affinity of ≈4.3 eV and an electron mobility of the order of 10<sup>-4</sup> cm<sup>2</sup> V<sup>-1</sup> s<sup>-1</sup>. Its relatively low solubility in common chlorinated solvents at ambient temperature allowed the manufacture of sequentially deposited (SD) devices, which were found to have significantly higher efficiency than that of bulk heterojunction (BHJ) solar cells containing the same materials. Grazing-incidence wide-angle X-ray scattering measurements indicated that the SD films retained the ordering of the individual polymers to a greater extent compared to the BHJ films. The best SD devices were found to have a power conversion efficiency of up to 4.5%, with stable performance under thermal stress.</p>