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Quadruple-Cation Wide-Bandgap Perovskite Solar Cells with Enhanced Thermal Stability Enabled by Vacuum Deposition

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Quadruple-Cation Wide-Bandgap Perovskite Solar Cells with Enhanced Thermal Stability Enabled by Vacuum Deposition

dc.contributor.author	Susic, Isidora
dc.contributor.author	Gil Escrig, Lidón
dc.contributor.author	Palazón Huet, Francisco
dc.contributor.author	Sessolo, Michele
dc.contributor.author	Bolink, Henk
dc.date.accessioned	2022-08-29T11:30:31Z
dc.date.available	2022-08-29T11:30:31Z
dc.date.issued	2022
dc.identifier.citation	Susic, Isidora Gil Escrig, Lidón Palazón Huet, Francisco Sessolo, Michele Bolink, Henk 2022 Quadruple-Cation Wide-Bandgap Perovskite Solar Cells with Enhanced Thermal Stability Enabled by Vacuum Deposition Acs Energy Letters 7 4 1355 1363
dc.identifier.uri	https://hdl.handle.net/10550/83567
dc.description.abstract	Vacuum processing of multicomponent perovskites is not straightforward, because the number of precursors is in principle limited by the number of available thermal sources. Herein, we present a process which allows increasing the complexity of the formulation of vacuum-deposited lead halide perovskite films by multisource deposition and premixing both inorganic and organic components. We apply it to the preparation of wide-bandgap CsMAFA triple-cation perovskite solar cells, which are found to be efficient but not thermally stable. With the aim of stabilizing the perovskite phase, we add guanidinium (GA+) to the material formulation and obtained CsMAFAGA quadruple-cation perovskite films with enhanced thermal stability, as observed by X-ray diffraction and rationalized by microstructural analysis. The corresponding solar cells showed similar performance with improved thermal stability. This work paves the way toward the vacuum processing of complex perovskite formulations, with important implications not only for photovoltaics but also for other fields of application.
dc.language.iso	eng
dc.relation.ispartof	Acs Energy Letters, 2022, vol. 7, num. 4, p. 1355-1363
dc.subject	Materials
dc.subject	Cèl·lules fotoelèctriques
dc.title	Quadruple-Cation Wide-Bandgap Perovskite Solar Cells with Enhanced Thermal Stability Enabled by Vacuum Deposition
dc.type	journal article	es_ES
dc.date.updated	2022-08-29T11:30:31Z
dc.identifier.doi	10.1021/acsenergylett.2c00304
dc.identifier.idgrec	154560
dc.rights.accessRights	open access	es_ES