Improved efficiency of polymer-fullerene bulk heterojunction solar cells by the addition of Cu(II)-porphyrin-oligothiophene conjugates
- Stoltzfus, Dani M.
- Kesters, Jurgen
- Kelchtermans, Mathias
- Verstappen, Piter
- Cardinaletti, Ilaria
- Cornelissen, Rob
- D&apos
- Lutsen, Laurence
- Vanderzande, Dirk
- Manca, Jean
- Bielawski, Christopher W.
- Maes, Wouter
- Sessler, Jonathan L.
Publication date
August 2016
DOI Publisher
Elsevier BV ISSN
0379-6779 Journal
Synthetic Metals Citation count (estimate)
2Abstract
Ternary organic photovoltaic devices were prepared through the addition of small amounts of metalloporphyin-terthiophenes to two established low bandgap polymer:fullerene blends. The methodology afforded a PCDTBT:PC71BM-based device that displayed an initial power conversion efficiency of 5.1%, an increase of 16% when compared to the binary blend. Among the range of metalloporphyrins considered in this study, the Cu(II)-porphyrin derivatives were found to result in the most significant efficiency improvements.clos
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