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Preparation and Characterization of Mixed Halide MAPbI3−xClx Perovskite Thin Films by Three‐Source Vacuum Deposition

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Preparation and Characterization of Mixed Halide MAPbI3−xClx Perovskite Thin Films by Three‐Source Vacuum Deposition

dc.contributor.author	Babaei, Azin
dc.contributor.author	Soltanpoor, Wiria
dc.contributor.author	Tesa-Serrate, M. A.
dc.contributor.author	Yerci, Selçuk
dc.contributor.author	Sessolo, Michele
dc.contributor.author	Bolink, Henk
dc.date.accessioned	2020-06-29T08:46:10Z
dc.date.available	2020-09-12T04:45:06Z
dc.date.issued	2020
dc.identifier.uri	https://hdl.handle.net/10550/75199
dc.description.abstract	Chloride has been extensively used in the preparation of metal halide perovskites such as methylammonium lead iodide (MAPbI3-xClx), but its persistence and role in solution-processed materials has not yet been rationalized. Multiple-source vacuum deposition of perovskites enables a fine control over the thin-film stoichiometry, and allows to incorporate chemical species irrespectively of their solubility. In this communication, we present the first example of mixed MAPbI3-xClx thin films prepared by three-source vacuum deposition using MAI, PbI2 and PbCl2 as precursors. The optoelectronic properties of the material are evaluated through photovoltaic and electro-/photo-luminescent characterizations. Besides the very similar structural and optical properties of MAPbI3 and MAPbI3-xClx, we observed an increased electroluminescence efficiency, longer photoluminescence lifetimes, as well as larger photovoltage in the presence of chloride, suggesting a reduction of the non-radiative charge recombination.
dc.language.iso	eng
dc.relation.ispartof	Energy Technology, 2019, vol. 8, num. 4, p. 1900784
dc.rights.uri	info:eu-repo/semantics/openAccess
dc.source	Babaei, Azin Soltanpoor, Wiria Tesa-Serrate, M. A. Yerci, Selçuk Sessolo, Michele Bolink, Henk 2019 Preparation and Characterization of Mixed Halide MAPbI3−xClx Perovskite Thin Films by Three‐Source Vacuum Deposition Energy Technology 8 4 1900784
dc.subject	Materials
dc.subject	Cèl·lules fotoelèctriques
dc.title	Preparation and Characterization of Mixed Halide MAPbI3−xClx Perovskite Thin Films by Three‐Source Vacuum Deposition
dc.type	info:eu-repo/semantics/article
dc.date.updated	2020-06-29T08:46:11Z
dc.identifier.doi	https://doi.org/10.1002/ente.201900784
dc.identifier.idgrec	134406
dc.embargo.terms	1 year