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efficient vacuum-deposited perovskite solar cells with stable cubic FA1-xMAxPbI3

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efficient vacuum-deposited perovskite solar cells with stable cubic FA1-xMAxPbI3

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dc.contributor.author	Gil Escrig, Lidón
dc.contributor.author	Dreessen, Chris
dc.contributor.author	Kaya, Ismail Cihan
dc.contributor.author	Kim, Beom-Soo
dc.contributor.author	Palazón Huet, Francisco
dc.contributor.author	Sessolo, Michele
dc.contributor.author	Bolink, Henk
dc.date.accessioned	2020-11-04T18:03:15Z
dc.date.available	2020-11-04T18:03:15Z
dc.date.issued	2020
dc.identifier.citation	L. Gil-Escrig, C. Dreessen, I. Cihan Kaya, B.-S. Kim, F. Palazon, M. Sessolo, H. J. Bolink Efficient vacuum-deposited perovskite solar cells with stable cubic FA1-xMAxPbI3 ACS Energy Lett. 2020, 5, 9, 3053–3061 (2020
dc.identifier.uri	https://hdl.handle.net/10550/76246
dc.description	Hetero-structures for Efficient Luminescent Devices (HELD)	en
dc.description	Perovskite Thin-film Photovoltaics (PERTPV)	en
dc.description.abstract	Preparation of black formamidinium lead iodide (FAPbI3) requires high temperature annealing and the incorporation of smaller A-site cations, such as methylammonium (MA+), cesium or rubidium. A major advantage of vacuum processing is the possibility to deposit perovskite films at room temperature (RT), without any annealing step. Here we demonstrate stabilization of the cubic perovskite phase at RT, in a three-sources co-sublimation method. We found that the MA+ incorporation is a self-limiting process, where the amount of MA+ which is incorporated in the perovskite is essentially unvaried with increasing MAI deposition rate. In this way a phase-pure, cubic perovskite with a bandgap of 1.53 eV can be obtained at room temperature. When used in fully vacuum-processed perovskite solar cells, PCEs up to 18.8% were obtained. Despite the presence of MA+, the solar cells were found to be thermally stable and maintained 90% of their initial efficiency after 1 month of continuous operation.
dc.description.sponsorship	EXCELLENT SCIENCE - European Research Council (ERC)
dc.language.iso	eng
dc.relation		en
dc.relation.ispartof	Acs Energy Letters, 2020, vol. 5, num. 9, p. 3053-3061
dc.subject	cèl·lules fotoelèctriques
dc.subject	conductivitat elèctrica
dc.title	efficient vacuum-deposited perovskite solar cells with stable cubic FA1-xMAxPbI3
dc.type	journal article	es_ES
dc.date.updated	2020-11-04T18:03:15Z
dc.identifier.doi	10.1021/acsenergylett.0c01473
dc.identifier.idgrec	141181
dc.rights.accessRights	open access	es_ES
dc.relation.projectID	ERC/Grant agreement ID: 834431	en
dc.relation.projectID	H2020-EU.3.3/Grant agreement ID: 763977	en