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dc.creatorAnaya Martín, Migueles
dc.creatorCorrea Baena, Juan P.es
dc.creatorLozano Barbero, Gabriel Sebastiánes
dc.creatorSaliba, Michaeles
dc.creatorAnguita, Pabloes
dc.creatorCalvo Roggiani, Mauricioes
dc.creatorMíguez García, Hernán Ruyes
dc.date.accessioned2017-09-25T17:09:01Z
dc.date.available2017-09-25T17:09:01Z
dc.date.issued2016
dc.identifier.citationAnaya Martín, M., Correa Baena, J.P., Lozano, G., Saliba, M., Anguita, ., Calvo Roggiani, M.E. y Míguez García, H.R. (2016). Optical analysis of CH3NH3SnxPb1–xI3 absorbers: a roadmap for perovskite-on-perovskite tandem solar cells. Journal of Materials Chemistry A: Materials for energy and sustainability, 4 (29), 11214-11221.
dc.identifier.issn2050-7488 (impreso)es
dc.identifier.issn2050-7496 (electrónico)es
dc.identifier.urihttp://hdl.handle.net/11441/64683
dc.description.abstractOrganic–inorganic perovskite structures in which lead is substituted by tin are exceptional candidates for broadband light absorption. Herein we present a thorough analysis of the optical properties of CH3NH3SnxPb1–xI3 films, providing the field with definitive insights about the possibilities of these materials for perovskite solar cells of superior efficiency. We report a user's guide based on the first set of optical constants obtained for a series of tin/lead perovskite films, which was only possible to measure due to the preparation of optical quality thin layers. According to the Shockley–Queisser theory, CH3NH3SnxPb1–xI3 compounds promise a substantial enhancement of both short circuit photocurrent and power conversion efficiency in single junction solar cells. Moreover, we propose a novel tandem architecture design in which both top and bottom cells are made of perovskite absorbers. Our calculations indicate that such perovskite-on-perovskite tandem devices could reach efficiencies over 35%. Our analysis serves to establish the first roadmap for this type of cells based on actual optical characterization data. We foresee that this study will encourage the research on novel near-infrared perovskite materials for photovoltaic applications, which may have implications in the rapidly emerging field of tandem devices.es
dc.description.sponsorshipUnión Europea Seventh Framework Programme (FP7/2007-2013)/ERC grant agreement no. 307081 (POLIGHT)es
dc.description.sponsorshipEspaña, Ministerio de Economía y Competitividad AT2014-54852- R.es
dc.formatapplication/pdfes
dc.language.isoenges
dc.publisherRoyal Society of Chemistryes
dc.relation.ispartofJournal of Materials Chemistry A: Materials for energy and sustainability, 4 (29), 11214-11221.
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.titleOptical analysis of CH3NH3SnxPb1–xI3 absorbers: a roadmap for perovskite-on-perovskite tandem solar cellses
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.type.versioninfo:eu-repo/semantics/publishedVersiones
dc.rights.accessrightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Física de la Materia Condensadaes
dc.relation.projectIDinfo:eu-repo/grantAgreement/MINECO/AT2014-54852-Res
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/FP7/307081es
dc.relation.publisherversionhttp://dx.doi.org/10.1039/c6ta04840des
dc.identifier.doi10.1039/c6ta04840des
idus.format.extent9 p.es
dc.journaltitleJournal of Materials Chemistry A: Materials for energy and sustainabilityes
dc.publication.volumen4es
dc.publication.issue29es
dc.publication.initialPage11214es
dc.publication.endPage11221es
dc.contributor.funderEuropean Union (UE). FP7
dc.contributor.funderMinisterio de Economía y Competitividad (MINECO). España

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