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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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Subramaniyan, Selvam
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (3/3 displayed)
- 2015Sequential Processing for Organic Photovoltaics: Design Rules for Morphology Control by Tailored Semi‐Orthogonal Solvent Blendscitations
- 2013Charge Photogeneration for a Series of Thiazolo‐Thiazole Donor Polymers Blended with the Fullerene Electron Acceptors PCBM and ICBAcitations
- 2011Effects of Side Chains on Thiazolothiazole‐Based Copolymer Semiconductors for High Performance Solar Cellscitations
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article
Effects of Side Chains on Thiazolothiazole‐Based Copolymer Semiconductors for High Performance Solar Cells
Abstract
<jats:title>Abstract</jats:title><jats:p>New thiazolothiazole‐dithienosilole copolymer semiconductors bearing side chains of different type, size, and topology were synthesized and used to demonstrate the influence of side chains on morphology, charge transport and photovoltaic properties. The field effect mobility of holes varied from 0.01‐0.03 cm<jats:sup>2</jats:sup>V<jats:sup>−1</jats:sup>s<jats:sup>−1</jats:sup> in PSOTT and PSEHTT to 0.12 cm<jats:sup>2</jats:sup>V<jats:sup>−1</jats:sup>s<jats:sup>−1</jats:sup> in PSOxTT. The average power conversion efficiency of solar cells under 1.0 sun illumination could be varied from 2.1% in PSOxTT and 4.1% in PSOTT to 5.0% in PSEHTT. The highest photovoltaic efficiency achieved in PSEHTT, that has all‐branched alkyl side chains and face‐on <jats:italic>π</jats:italic>‐stacking orientation, was corroborated by its enhanced charge photogeneration observed by transient absorption spectroscopy.</jats:p>