Oligomers Comprising 2‑Phenyl‑2H‑benzotriazole Building Blocks for Solution-Processable Organic Photovoltaic Devices
In the past, benzotriazole acceptor units have been incorporated successfully into donor–acceptor polymers for highly efficient photovoltaic devices. Here, we explore 2-phenyl-2H-benzotriazole oligomers as model systems for donor–acceptor polymers. We designed and synthesized acceptor–donor–acceptor...
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| Veröffentlicht in: | Journal of physical chemistry. C 2012-08, Vol.116 (31), p.16358-16364 |
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| container_end_page | 16364 |
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| container_issue | 31 |
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| container_title | Journal of physical chemistry. C |
| container_volume | 116 |
| creator | Klein, Michael F. G Pasker, Felix Wettach, Henning Gadaczek, Immanuel Bredow, Thomas Zilkens, Peter Vöhringer, Peter Lemmer, Uli Höger, Sigurd Colsmann, Alexander |
| description | In the past, benzotriazole acceptor units have been incorporated successfully into donor–acceptor polymers for highly efficient photovoltaic devices. Here, we explore 2-phenyl-2H-benzotriazole oligomers as model systems for donor–acceptor polymers. We designed and synthesized acceptor–donor–acceptor oligomers incorporating 2-phenyl-2H-benzotriazole acceptor and naphthodithiophene donor units. Supported by quantum chemical calculations we investigated the optoelectronic properties, such as electronic levels and intramolecular charge transfer, by means of optical and fluorescence spectroscopy. We built bulk-heterojunction solar cells comprising these oligomers and [6,6]-phenyl C61-butyric acid methyl ester. In doing so, the film-forming conditions were optimized as the absorber layer morphology is strongly affected by the deposition conditions, in particular drying time and drying temperature. |
| doi_str_mv | 10.1021/jp3039384 |
| format | Article |
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We built bulk-heterojunction solar cells comprising these oligomers and [6,6]-phenyl C61-butyric acid methyl ester. In doing so, the film-forming conditions were optimized as the absorber layer morphology is strongly affected by the deposition conditions, in particular drying time and drying temperature.</description><identifier>ISSN: 1932-7447</identifier><identifier>EISSN: 1932-7455</identifier><identifier>DOI: 10.1021/jp3039384</identifier><language>eng</language><publisher>Columbus, OH: American Chemical Society</publisher><subject>Applied sciences ; Electronics ; Energy ; Exact sciences and technology ; Materials ; Natural energy ; Photovoltaic conversion ; Solar cells. Photoelectrochemical cells ; Solar energy</subject><ispartof>Journal of physical chemistry. 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| ispartof | Journal of physical chemistry. C, 2012-08, Vol.116 (31), p.16358-16364 |
| issn | 1932-7447 1932-7455 |
| language | eng |
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| source | ACS Publications |
| subjects | Applied sciences Electronics Energy Exact sciences and technology Materials Natural energy Photovoltaic conversion Solar cells. Photoelectrochemical cells Solar energy |
| title | Oligomers Comprising 2‑Phenyl‑2H‑benzotriazole Building Blocks for Solution-Processable Organic Photovoltaic Devices |
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