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Photo-Induced Black Phase Stabilization of CsPbI3 QDs Films
dc.contributor.author | Erazo, Eider A. | |
dc.contributor.author | Sánchez-Godoy, H. E. | |
dc.contributor.author | Gualdrón Reyes, Andrés Fabián | |
dc.contributor.author | Masi, Sofia | |
dc.contributor.author | Mora-Sero, Ivan | |
dc.date.accessioned | 2020-09-03T11:52:32Z | |
dc.date.available | 2020-09-03T11:52:32Z | |
dc.date.issued | 2020 | |
dc.identifier.citation | Erazo, E.A.; Sánchez-Godoy, H.; Gualdrón-Reyes, A.F.; Masi, S.; Mora-Seró, I. Photo-Induced Black Phase Stabilization of CsPbI3 QDs Films. Nanomaterials 2020, 10, 1586. | ca_CA |
dc.identifier.issn | 2079-4991 | |
dc.identifier.uri | http://hdl.handle.net/10234/189492 | |
dc.description.abstract | α-CsPbI3 quantum dots (QDs) show outstanding photoelectrical properties that had been harnessed in the fabrication of perovskite QDs solar cells. Nevertheless, the stabilization of the CsPbI3 perovskite cubic phase remains a challenge due to its own thermodynamic and the presence of surface defects. Herein, we report the optimization of the CsPbI3 QDs solar cells, by monitoring the structure, the morphology and the optoelectronic properties after a precise treatment, consisting of the conventional solvent washing with a time limited ultraviolet (UV) exposure combination, during the layer-by-layer deposition. The UV treatment compensates the defects coming from the essential but deleterious washing treatment. The material is stable for 200 h and the PCE improved by the 25% compared with that of the device without UV treatment. The photo-enhanced ion mobility mechanism is discussed as the main process for the CsPbI3 QDs and solar cell stability. | ca_CA |
dc.format.extent | 14 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | MDPI | ca_CA |
dc.relation.isPartOf | Nanomaterials 2020, 10, 1586. | ca_CA |
dc.rights | © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). | ca_CA |
dc.rights | Atribución 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-sa/4.0/ | * |
dc.subject | CsPbI3 QDs | ca_CA |
dc.subject | stability | ca_CA |
dc.subject | solar cells | ca_CA |
dc.subject | UV photo-induced stabilization | ca_CA |
dc.title | Photo-Induced Black Phase Stabilization of CsPbI3 QDs Films | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.3390/nano10081586 | |
dc.relation.projectID | 724424-No-LIMIT, Prometeo/2018/098, Proyecto INV-2019-86-1798 | ca_CA |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | ca_CA |
dc.relation.publisherVersion | https://www.mdpi.com/2079-4991/10/8/1586 | ca_CA |
dc.type.version | info:eu-repo/semantics/publishedVersion | ca_CA |
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