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Ultrafast low-temperature crystallization of solar cell graded formamidinium-cesium mixed-cation lead mixed-halide perovskites using a reproducible microwave-based process

2019Journal article Open access
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dc.contributor.authorBrites, Maria João
dc.contributor.authorBarreiros, M. Alexandra
dc.contributor.authorCorregidor, V.
dc.contributor.authorAlves, L. C.
dc.contributor.authorPinto, Joana V.
dc.contributor.authorMendes, Manuel Joao
dc.contributor.authorFortunato, Elvira
dc.contributor.authorMartins, Rodrigo
dc.contributor.authorMascarenhas, João
dc.date.accessioned2020-03-16T11:18:30Z
dc.date.available2020-03-16T11:18:30Z
dc.date.issued2019
dc.description.abstractABSTRACT: The control of morphology and crystallinity of solution-processed perovskite thin-films for solar cells is the key for further enhancement of the devices’ power conversion efficiency and stability. Improving crystallinity and increasing grain size of perovskite films is a proven way to boost the devices’ performance and operational robustness, nevertheless this has only been achieved with high-temperature processes. Here, we present an unprecedented low-temperature (<80 °C) and ultrafast microwave (MW) annealing process to yield uniform, compact, and crystalline FA0.83Cs0.17Pb(I(1–x)Brx)3 perovskite films with full coverage and micrometer-scale grains. We demonstrate that the nominal composition FA0.83Cs0.17PbI1.8Br1.2 perovskite films annealed at 100 W MW power present the same band gap, similar morphology, and crystallinity of conventionally annealed films, with the advantage of being produced at a lower temperature (below 80 °C vs 185 °C) and during a very short period of time (∼2.5 min versus 60 min). These results open new avenues to fabricate band gap tunable perovskite films at low temperatures, which is of utmost importance for Mechanically flexible perovskite cells and monolithic perovskite based tandem cells applications.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBrites, M.J...[et.al.]. - Ultrafast low-temperature crystallization of solar cell graded formamidinium-cesium mixed-cation lead mixed-halide perovskites using a reproducible microwave-based process. In: Applied Energy Materials, 2019, Vol. 2, Issue 3, p. 1844-1853pt_PT
dc.identifier.issn2574-0962
dc.identifier.urihttp://hdl.handle.net/10400.9/3181
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherAmerican Chemical Societypt_PT
dc.relationSuperior Efficiency and Flexibility with Quantum Nano-structured Perovskite Solar Cells enhanced by Light Management
dc.relationPhotonic-enhanced flexible solar cells with wave-optical and transparent electronic microstructures
dc.relation.publisherversionhttps://doi.org/10.1021/acsaem.8b02005pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectSolar cellspt_PT
dc.subjectCrystallizationpt_PT
dc.subjectGrainpt_PT
dc.subjectPower Perovskitespt_PT
dc.titleUltrafast low-temperature crystallization of solar cell graded formamidinium-cesium mixed-cation lead mixed-halide perovskites using a reproducible microwave-based processpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleSuperior Efficiency and Flexibility with Quantum Nano-structured Perovskite Solar Cells enhanced by Light Management
oaire.awardTitlePhotonic-enhanced flexible solar cells with wave-optical and transparent electronic microstructures
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FCTM-ENE%2F5125%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9471 - RIDTI/PTDC%2FNAN-OPT%2F28430%2F2017/PT
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F115566%2F2016/PT
oaire.citation.endPage1853pt_PT
oaire.citation.startPage1844pt_PT
oaire.citation.titleACS Applied Energy Materialspt_PT
oaire.citation.volume2 (3)pt_PT
oaire.fundingStream3599-PPCDT
oaire.fundingStream9471 - RIDTI
oaire.fundingStream5876
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person.familyNameBrites
person.familyNameBarreiros
person.familyNameMendes
person.familyNameFortunato
person.familyNameMartins
person.familyNameMascarenhas
person.givenNameMaria João de Sousa
person.givenNameMaria Alexandra
person.givenNameManuel Joao
person.givenNameElvira
person.givenNameRodrigo
person.givenNameJoão
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person.identifier.ciencia-id8610-B29C-1FA8
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person.identifier.orcid0000-0002-1081-7191
person.identifier.orcid0000-0002-0132-4969
person.identifier.orcid0000-0002-7374-0726
person.identifier.orcid0000-0002-4202-7047
person.identifier.orcid0000-0002-1997-7669
person.identifier.orcid0000-0003-0440-8057
person.identifier.ridK-7215-2015
person.identifier.ridE-2590-2011
person.identifier.ridC-4337-2013
person.identifier.ridL-3318-2014
person.identifier.scopus-author-id6603680496
person.identifier.scopus-author-id25936507600
person.identifier.scopus-author-id35420037600
person.identifier.scopus-author-id7202166114
project.funder.identifierhttp://doi.org/10.13039/501100001871
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project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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