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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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Chakravarthi, Nallan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (4/4 displayed)
- 2018Substituent position engineering of phosphine oxide functionalized triazine-based cathode interfacial materials for flexible organic and perovskite solar cellscitations
- 2017Triazine-based Polyelectrolyte as an Efficient Cathode Interfacial Material for Polymer Solar Cellscitations
- 2016Alkoxyphenyl-thiophene, -selenophene and -furan substituted benzodithiophene based 2D pi-conjugated polymers for polymer solar cells and effect of chalcogen on optoelectronic propertiescitations
- 2014New alkylselenyl substituted benzodithiophene-based solution-processable 2D pi-conjugated polymers for bulk heterojunction polymer solar cell applicationscitations
Places of action
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article
Alkoxyphenyl-thiophene, -selenophene and -furan substituted benzodithiophene based 2D pi-conjugated polymers for polymer solar cells and effect of chalcogen on optoelectronic properties
Abstract
<p>In order to analyze the correlation between the optoelectronic properties and chalcogen present in the conjugated side chain of benzodithiophene (BDT) based 2D π-conjugated polymers, we synthesized a new series of 2D π-conjugated polymers P1 (S), P2 (Se), and P3 (O), in which alkoxyphenyl-thiophene, alkoxyphenyl-selenophene and alkoxyphenyl-furan substituted BDT as an electron rich donor unit and thieno[3,4-c]pyrrole-4,6-dione as an electron deficient acceptor unit, respectively. The P1-P3 showed varied optoelectronic properties with respect to the chalcogen present in the conjugated side chains of donor unit. The bulk heterojunction (BHJ) polymer solar cells (PSCs) based on P1-P3 showed maximum power conversion efficiency of 3.37, 3.53 and 1.54%, respectively. In particular, open-circuit voltages (V<sub>oc</sub>) of P1-P3 based PSCs were (0.92, 0.96 and 0.80 V) significantly affected upon chalcogen exchange, which was further analyzed by Mott-Schottky analysis and, the obtained flat-band potential values are well matched with the V<sub>oc</sub> of P1-P3 based devices.</p>