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Title: | Low bandgap copolymers based on monofluorinated isoindigo towards efficient polymer solar cells | Authors: | TOMASSETTI, Mirco Ouhib, Farid Wislez, Arnaud Duwez, Anne-Sophie PENXTEN, Huguette DIERCKX, Wouter CARDINALETTI, Ilaria Bovee, Ralf A. A. van Pruissen, Gijs W. P. Jerome, Christine MANCA, Jean MAES, Wouter Detrembleur, Christophe |
Issue Date: | 2015 | Publisher: | ROYAL SOC CHEMISTRY | Source: | Polymer Chemistry, 6 (33), p. 6040-6049 | Abstract: | To explore the effectiveness of monofluorinated isoindigo as an electron-deficient building block in push-pull conjugated polymers for organic solar cell applications, four low bandgap copolymers are effectively synthesized and characterized. The effects of fluorine introduction, thiophene spacer length and polymer molar mass on the general electro-optical polymer characteristics, thin film blend microstructure and electronic performance are investigated. Isoindigo monofluorination effectively improves the power conversion efficiency from 2.8 up to 5.0% upon molar mass optimization, without using any processing additives or post-treatments. | Notes: | [Tomassetti, Mirco; Ouhib, Farid; Jerome, Christine; Detrembleur, Christophe] Univ Liege Ulg, CERM, Dept Chem, B-4000 Liege, Belgium. [Tomassetti, Mirco; Penxten, Huguette; Maes, Wouter] Hasselt Univ, DSOS, Inst Mat Res IMO IMOMEC, B-3590 Diepenbeek, Belgium. [Tomassetti, Mirco; Dierckx, Wouter; Cardinaletti, Ilaria] Hasselt Univ, Div Mat Phys, B-3590 Diepenbeek, Belgium. [Wislez, Arnaud; Duwez, Anne-Sophie] Univ Liege Ulg, Dept Chem, Nanochem & Mol Syst, B-4000 Liege, Belgium. [van Pruissen, Gijs W. P.] Eindhoven Univ Technol, Inst Complex Mol Syst, Mol Mat & Nanosyst, NL-5600 MB Eindhoven, Netherlands. [Manca, Jean] Hasselt Univ, X Lab, B-3590 Diepenbeek, Belgium. [Maes, Wouter] IMEC, IMOMEC, B-3590 Diepenbeek, Belgium. | Document URI: | http://hdl.handle.net/1942/19867 | ISSN: | 1759-9954 | e-ISSN: | 1759-9962 | DOI: | 10.1039/c5py00693g | ISI #: | 000359459100009 | Rights: | This journal is © The Royal Society of Chemistry 2015 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
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