Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14365/1136
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dc.contributor.authorGunay, Bensu-
dc.contributor.authorSuer, Ozge-
dc.contributor.authorDoger, Hilal-
dc.contributor.authorArslan, Ozlem-
dc.contributor.authorUnal, Ugur-
dc.contributor.authorSaglam, Ozge-
dc.date.accessioned2023-06-16T12:59:07Z-
dc.date.available2023-06-16T12:59:07Z-
dc.date.issued2022-
dc.identifier.issn0927-7757-
dc.identifier.issn1873-4359-
dc.identifier.urihttps://doi.org/10.1016/j.colsurfa.2022.129502-
dc.identifier.urihttps://hdl.handle.net/20.500.14365/1136-
dc.description.abstractHere, we investigated the structure and upconversion (UC) properties of new-type of single oxide nanosheets, derived from the Er3+/Yb3+ and Tm3+/Yb3+ co-doped Ruddlesden-Popper type layered perovskites, and their layer-by-layer (LBL) self-assembled nanofilms. The single oxide nanosheets, obtained by exfoliation of the proton-exchanged K2La2Ti3O10, had the thickness in the range of 2-3 nm indicating good consistency with the theoretical thickness and lateral size from 500 nm up to 2 mu m. Er3+/Yb3+, Tm3+/Yb3+ and Tm3+/Er3+co-doped nanosheets were used as building blocks of the multilayer films deposited by layer-by-layer procedure. The LBL films composed of 2.5 % Er3+ + 5 % Yb3+, 2.5 % Tm3+ + 20 % Yb3+, 2.5 % Tm3+ + 20 % Er3+ after 60 sequences have shown a white emission confirmed by the CIE chromaticity diagram. The possible UC energy transfer of LBL films fabricated after 30 sequences using the nanosheets derived from the 2.5 % Er3+ + 5 % Yb3+ co-doped layered perovskites was also suggested. The number of photons participating in the UC process was confirmed as two-photon for both green and red UC emissions due to the F-4(9/2) -> I-4(15/2) and H-2(11/2), S-4(3/2) -> I-4(15/2) transitions, respectively.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey [117M512]; Koc University Surface Science and Technology Center (KUYTAM)en_US
dc.description.sponsorshipThis work was supported by The Scientific and Technological Research Council of Turkey [Grant number 117M512]. The authors would like to thank Koc University Surface Science and Technology Center (KUYTAM).en_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.ispartofColloıds And Surfaces A-Physıcochemıcal And Engıneerıng Aspectsen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectLayer-by-layer self-assemblyen_US
dc.subjectTwo-dimensional materialsen_US
dc.subjectSingle oxide nanosheetsen_US
dc.subjectLayered perovskitesen_US
dc.subjectUpconversion propertiesen_US
dc.subjectUp-Conversion Luminescenceen_US
dc.subjectRuddlesden-Popper Phasesen_US
dc.subjectRare-Earthen_US
dc.subjectOxideen_US
dc.subjectPhotoluminescenceen_US
dc.subjectIonsen_US
dc.subjectPhotocatalystsen_US
dc.subjectFlocculationen_US
dc.subjectExfoliationen_US
dc.subjectLanthanideen_US
dc.titleSynthesis of upconverting nanosheets derived from Er-Yb and Tm-Yb Co-doped layered perovskites and their layer-by-layer assembled filmsen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.colsurfa.2022.129502-
dc.identifier.scopus2-s2.0-85132698828en_US
dc.departmentİzmir Ekonomi Üniversitesien_US
dc.authoridSüer, Özge/0000-0002-8120-6574-
dc.authoridGunay, Bensu/0000-0002-9124-9981-
dc.authorwosidSüer, Özge/GNP-2201-2022-
dc.authorscopusid57205329801-
dc.authorscopusid57763018600-
dc.authorscopusid57222012532-
dc.authorscopusid57761840600-
dc.authorscopusid6507782445-
dc.authorscopusid55750645300-
dc.identifier.volume649en_US
dc.identifier.wosWOS:000818746800005en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ2-
dc.identifier.wosqualityQ2-
item.fulltextWith Fulltext-
item.grantfulltextreserved-
item.cerifentitytypePublications-
item.openairetypeArticle-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
crisitem.author.dept05.07. Food Engineering-
crisitem.author.dept05.10. Mechanical Engineering-
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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