Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/45122
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dc.contributor.authorHAMTAEI, Sarallah-
dc.contributor.authorDebot, Alice-
dc.contributor.authorSCAFFIDI, Romain-
dc.contributor.authorBRAMMERTZ, Guy-
dc.contributor.authorCariou, Estelle-
dc.contributor.authorGarner, Sean M.-
dc.contributor.authorAGUIRRE, Aranzazu-
dc.contributor.authorPOORTMANS, Jef-
dc.contributor.authorDale, Phillip J.-
dc.contributor.authorVERMANG, Bart-
dc.date.accessioned2025-01-20T09:11:55Z-
dc.date.available2025-01-20T09:11:55Z-
dc.date.issued2025-
dc.date.submitted2025-01-17T15:24:32Z-
dc.identifier.citationCommunications Materials, 6 (1) (Art N° 2)-
dc.identifier.issn-
dc.identifier.urihttp://hdl.handle.net/1942/45122-
dc.description.abstractCu(In,Ga)(S,Se)2 absorbers with a bandgap in the near-infrared region are ideal candidates for a bottom cell in multi-junction solar cell architectures. In flexible and lightweight form factors, such devices could help power many applications through integrated solar cells. Here, we show the use of a two-step method to synthesize Cu(In,Ga)(S,Se)2, with a bandgap between 1.00 and 1.13 eV, on bendable ultra-thin glass, with minority carrier lifetimes approaching 100 ns, in a homogenous and repeatable fashion. We also report on conventional and alternative device fabrication methods with very low waste and toxicity footprints. Champion solar cells are fabricated based on absorbers with a graded bandgap between 1.05 and 1.1 eV, and an open circuit voltage approaching 600 mV. Our results show a way for scalable fabrication of all thin-film, flexible tandem solar cells, by means of industrially relevant processing steps in a low cost and sustainable fashion.-
dc.description.sponsorshipThis work received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No. 850937. S.H. and R.S. acknowledge financial support by the Flanders Research Foundation (FWO)—strategic basic research doctoral grant 1S31922N, and fundamental research doctoral grant 1178022 N, respectively. A.D. acknowledges financial support from the Fond National de la Recherche of Luxembourg through the STARSOL (C18/MS/12686759) grant. The authors also thank Tim Oris, Maarten van der Vleuten, Alexis Franquet and Rita Tilmann for their help with processing, measurements, and other valuable discussions.-
dc.language.isoen-
dc.publisherSPRINGERNATURE-
dc.rightsThe Author(s) 2025. This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License, which permits any non-commercial use, sharing, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if you modified the licensed material. You do not have permission under this licence to share adapted material derived from this article or parts of it. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/bync-nd/4.0/.-
dc.titleFabrication of bendable and narrow bandgap Cu(In,Ga)(S,Se)2 for tandem photovoltaics-
dc.typeJournal Contribution-
dc.identifier.issue1-
dc.identifier.volume6-
local.format.pages8-
local.bibliographicCitation.jcatA1-
dc.description.notesHamtaei, S (corresponding author), Imo Imomec, Imec, Genk, Belgium.; Hamtaei, S (corresponding author), Hasselt Univ, IMO IMOMEC, Hasselt, Belgium.; Hamtaei, S (corresponding author), Imo Imomec, EnergyVille, Genk, Belgium.-
dc.description.notessarallah.hamtaei@imec.be-
local.publisher.placeCAMPUS, 4 CRINAN ST, LONDON, N1 9XW, ENGLAND-
local.type.refereedRefereed-
local.type.specifiedArticle-
local.bibliographicCitation.artnr2-
local.type.programmeH2020-
local.relation.h2020850937-
dc.identifier.doi10.1038/s43246-024-00706-x-
dc.identifier.isi001390549900001-
local.provider.typewosris-
local.description.affiliation[Hamtaei, Sarallah; Scaffidi, Romain; Brammertz, Guy; Cariou, Estelle; Aguirre, Aranzazu; Poortmans, Jef; Vermang, Bart] Imo Imomec, Imec, Genk, Belgium.-
local.description.affiliation[Hamtaei, Sarallah; Scaffidi, Romain; Brammertz, Guy; Aguirre, Aranzazu; Poortmans, Jef; Vermang, Bart] Hasselt Univ, IMO IMOMEC, Hasselt, Belgium.-
local.description.affiliation[Hamtaei, Sarallah; Scaffidi, Romain; Brammertz, Guy; Cariou, Estelle; Aguirre, Aranzazu; Poortmans, Jef; Vermang, Bart] Imo Imomec, EnergyVille, Genk, Belgium.-
local.description.affiliation[Debot, Alice; Dale, Phillip J.] Univ Luxembourg, Dept Phys & Mat Sci, Belvaux, Luxembourg.-
local.description.affiliation[Scaffidi, Romain] UCLouvain, ICTEAM, Louvain La Neuve, Belgium.-
local.description.affiliation[Garner, Sean M.] Corning Res & Dev Corp, Corning, NY USA.-
local.description.affiliation[Poortmans, Jef] Katholieke Univ Leuven, Dept Elect Engn, Heverlee, Belgium.-
local.uhasselt.internationalyes-
item.contributorHAMTAEI, Sarallah-
item.contributorDebot, Alice-
item.contributorSCAFFIDI, Romain-
item.contributorBRAMMERTZ, Guy-
item.contributorCariou, Estelle-
item.contributorGarner, Sean M.-
item.contributorAGUIRRE, Aranzazu-
item.contributorPOORTMANS, Jef-
item.contributorDale, Phillip J.-
item.contributorVERMANG, Bart-
item.fullcitationHAMTAEI, Sarallah; Debot, Alice; SCAFFIDI, Romain; BRAMMERTZ, Guy; Cariou, Estelle; Garner, Sean M.; AGUIRRE, Aranzazu; POORTMANS, Jef; Dale, Phillip J. & VERMANG, Bart (2025) Fabrication of bendable and narrow bandgap Cu(In,Ga)(S,Se)2 for tandem photovoltaics. In: Communications Materials, 6 (1) (Art N° 2).-
item.fulltextWith Fulltext-
item.accessRightsOpen Access-
crisitem.journal.eissn2662-4443-
Appears in Collections:Research publications
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