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Unravelling fullerene–perovskite interactions introduces advanced blend films for performanceimproved solar cells

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dc.contributor.advisorVolker, Sebastian S
dc.contributor.authorPascual, Jorge
dc.contributor.authorCollavini, Silvia
dc.contributor.authorNgA, Phung
dc.contributor.authorPalacios-Lidon, Elisa
dc.contributor.authorIrusta, Lourdes
dc.contributor.authorGrande, Hans-Jurgen
dc.contributor.authorAbate, Antonio
dc.contributor.authorTena-Zaera, Ramón
dc.contributor.authorDelgado, Juan Luis
dc.contributor.departmentFísica
dc.date.accessioned2025-01-20T18:20:16Z
dc.date.available2025-01-20T18:20:16Z
dc.date.issued2019-08-01
dc.description.abstractFullerenes have become one of the most interesting families of molecules to be used in perovskite solar cells. A wide range of derivatives have been designed and applied in these types of devices due to their ability to passivate defects. However, the relevance of these functionalisations in the device performance is not clear yet, as there might be perovskite–fullerene interactions yet to be figured out. In this work a new set of spectroscopic techniques is proposed for the identification of perovskite:fullerene complexes that could be generated in solution, focusing on the non-covalent interactions taking part. The obtained results allow understanding the importance of suitable chemical modification of fullerenes and the implications that the functional group has in the thin film scenario. In this sense, a new fullerene with an optimised structure, FU11, is synthesised and applied in blend films with perovskite, achieving an efficiency of up to 18.3% and universality for different cell configurations. Furthermore, a clear correlation can be observed between the ability of the fullerene to coordinate the perovskite and the final solar cell performance.es
dc.formatapplication/pdfes
dc.format.extent9es
dc.identifier.citationSustainable Energy Fuels, 2019, 3,2779
dc.identifier.doihttps://doi.org/10.1039/C9SE00438F
dc.identifier.issnElectronic: 2398-4902
dc.identifier.urihttp://hdl.handle.net/10201/148848
dc.languageenges
dc.relationJ. P. and S.C. acknowledge the Basque Government for a PhD research grant. J. L. D. acknowledges Ikerbasque, the Basque Foundation for Science, for an “Ikerbasque Research Fellow” contract, the Polymat Foundation, the MINECO of Spain (CTQ2015-71936-REDT, RTI2018-101782-B-I00) and UPV/EHU (Ayudas a los grupos de investigaci´ on de la UPV/EHU). The authors acknowledge the technical and human support provided by SGIker of UPV/EHU and European funding (ERDF and ESF).es
dc.relation.publisherversionhttps://pubs.rsc.org/en/content/articlelanding/2019/se/c9se00438f/unauthes
dc.rights.accessRightsinfo:eu-repo/semantics/restrictedAccess
dc.subjectperovkitete:fullerene complexes, solar cell,es
dc.subject.otherCDU::5 - Ciencias puras y naturales::53 - Física::538.9 - Física de la materia condensadaes
dc.titleUnravelling fullerene–perovskite interactions introduces advanced blend films for performanceimproved solar cellses
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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