Singlet Fission in Pyrene-Fused Azaacene Dimers


Singlet fission has emerged as a promising strategy to avoid the loss of extra energy through thermalization in solar cells. A family of dimers consisting of nitrogen-doped pyrene-fused acenes that undergo singlet fission with triplet quantum yields as high as 125 % are presented. They provide new perspectives for nitrogenated polycyclic aromatic hydrocarbons and for the design of new materials for singlet fission.






Mora-Fuentes, JP; Papadopoulos, I; Thiel, D; Alvarez-Boto, R; Cortizo-Lacalle, D; Clark, T; Melle-Franco, M; Guldi, DM; Mateo-Alonso, A

nossos autores


J.P.M.-F., D.C.-L., and A.M.-A. acknowledge support of the Basque Science Foundation for Science (Ikerbasque), POLY-MAT, the University of the Basque Country (Grupo de Investigacin GIU17/054 and SGIker), Gobierno Vasco (BERC program), and Gobierno de EspaCa (Ministerio de Economa y Competitividad CTQ2016-77970-R). J.P.M.-F., D.C.-L., and A.M.-A. thank for technical and human support provided by SGIker of UPV/EHU and European funding (ERDF and ESF). A.M.-A. acknowledges that this project has received funding from the European Research Council (ERC) under the European Unions Horizon 2020 research and innovation programme (grant agreement no. 722951). I.P., D.T., and D.M.G. acknowledge funding from the Emerging Fields Initiative (EFI) Singlet Fission supported by FAU. T.C. and D.M.G. acknowledge support from the Cluster of Excellence Engineering of Advanced Materials (EAM), and SolTech (Solar Technologies go Hybrid), an initiative of the Bavarian State Government. M.M.-F. acknowledges support from the Portuguese Foundation for Science and Technology (FCT), under the projects PTDC/FIS-NAN/4662/2014, IF/00894/2015, and CICECO-Aveiro Institute of Materials, FCT Ref. UID/CTM/50011/2019.

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