Engineering of Perovskite Materials Based on Formamidinium and Cesium Hybridization for High-Efficiency Solar Cells

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dc.contributor.authorProchowicz, Daniel
dc.contributor.authorRunjhun, Rashmi
dc.contributor.authorTavakoli, Mohammad Mahdi
dc.contributor.authorYadav, Pankaj
dc.contributor.authorSaski, Marcin
dc.contributor.authorAlanazi, Anwar Q.
dc.contributor.authorKubicki, Dominik J.
dc.contributor.authorKaszkur, Zbigniew
dc.contributor.authorZakeeruddin, Shaik M.
dc.contributor.authorLewiński, Janusz
dc.contributor.authorGratzel, Michael
dc.contributor.organizationLaboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, School of Basic Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerlanden
dc.contributor.organizationInstitute of Physical Chemistry, Polish Academy of Sciencesen
dc.contributor.organizationDepartment of Materials Science and Engineering, Sharif University of Technology, Tehran, Iranen
dc.contributor.organizationDepartment of Solar Energy, School of Technology, Pandit Deendayal Petroleum University, Gandhinagar, Gujarat, Indiaen
dc.contributor.organizationFaculty of Chemistry, Warsaw University of Technology, Polanden
dc.date.accessioned2022-03-14T15:14:07Z
dc.date.available2022-03-14T15:14:07Z
dc.date.issued2019
dc.description.abstractEngineering the chemical composition of inorganic−organic hybrid perovskite materials is an effective strategy to boost the performance and operational stability of perovskite solar cells (PSCs). Among the diverse family of ABX 3 perovskites, methylammonium-free mixed A-site cation Cs xFA1−xPbI3 perovskites appear as attractive light-absorber materials because of their optimum band gap, superior optoelectronic property, and good thermal stability. Here, we develop a simple and very effective one-step solution method for the preparation of high-quality (Cs)x(FA)1−xPbI3 perovskite films upon the addition of excess CsCl to the FAPbI 3 precursor solution. It is found that the addition of CsCl as a source of Cs cation instead of relevant addition of CsI to the parent perovskite solution increases effectively the grain size and film quality leading to improved charge mobility, reduced carrier recombination, and long carrier lifetime. The resultant mesoscopic perovskite devices exhibit a maximum efficiency of 20.60% with a stabilized power conversion efficiency of 19.85% and lower hysteresis compared to the reference device. This performance is among the highest reported for PSC devices incorporating mixed cation (Cs)x(FA)1−xPbI3 perovskites.en
dc.identifier.citationChem. Mater. 2019, 31, 5, 1620–1627. https://doi.org/10.1021/acs.chemmater.8b04871en
dc.identifier.doi10.1021/acs.chemmater.8b04871
dc.identifier.issn1520-5002
dc.identifier.urihttps://open.icm.edu.pl/handle/123456789/21133
dc.language.isoen
dc.publisherAmerican Chemical Societyen
dc.rightsDozwolony użytek*
dc.titleEngineering of Perovskite Materials Based on Formamidinium and Cesium Hybridization for High-Efficiency Solar Cellsen
dc.typearticleen
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