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https://hdl.handle.net/20.500.14365/1136
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Gunay, Bensu | - |
dc.contributor.author | Suer, Ozge | - |
dc.contributor.author | Doger, Hilal | - |
dc.contributor.author | Arslan, Ozlem | - |
dc.contributor.author | Unal, Ugur | - |
dc.contributor.author | Saglam, Ozge | - |
dc.date.accessioned | 2023-06-16T12:59:07Z | - |
dc.date.available | 2023-06-16T12:59:07Z | - |
dc.date.issued | 2022 | - |
dc.identifier.issn | 0927-7757 | - |
dc.identifier.issn | 1873-4359 | - |
dc.identifier.uri | https://doi.org/10.1016/j.colsurfa.2022.129502 | - |
dc.identifier.uri | https://hdl.handle.net/20.500.14365/1136 | - |
dc.description.abstract | Here, 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.sponsorship | Scientific and Technological Research Council of Turkey [117M512]; Koc University Surface Science and Technology Center (KUYTAM) | en_US |
dc.description.sponsorship | This 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.iso | en | en_US |
dc.publisher | Elsevier | en_US |
dc.relation.ispartof | Colloıds And Surfaces A-Physıcochemıcal And Engıneerıng Aspects | en_US |
dc.rights | info:eu-repo/semantics/closedAccess | en_US |
dc.subject | Layer-by-layer self-assembly | en_US |
dc.subject | Two-dimensional materials | en_US |
dc.subject | Single oxide nanosheets | en_US |
dc.subject | Layered perovskites | en_US |
dc.subject | Upconversion properties | en_US |
dc.subject | Up-Conversion Luminescence | en_US |
dc.subject | Ruddlesden-Popper Phases | en_US |
dc.subject | Rare-Earth | en_US |
dc.subject | Oxide | en_US |
dc.subject | Photoluminescence | en_US |
dc.subject | Ions | en_US |
dc.subject | Photocatalysts | en_US |
dc.subject | Flocculation | en_US |
dc.subject | Exfoliation | en_US |
dc.subject | Lanthanide | en_US |
dc.title | Synthesis of upconverting nanosheets derived from Er-Yb and Tm-Yb Co-doped layered perovskites and their layer-by-layer assembled films | en_US |
dc.type | Article | en_US |
dc.identifier.doi | 10.1016/j.colsurfa.2022.129502 | - |
dc.identifier.scopus | 2-s2.0-85132698828 | en_US |
dc.department | İzmir Ekonomi Üniversitesi | en_US |
dc.authorid | Süer, Özge/0000-0002-8120-6574 | - |
dc.authorid | Gunay, Bensu/0000-0002-9124-9981 | - |
dc.authorwosid | Süer, Özge/GNP-2201-2022 | - |
dc.authorscopusid | 57205329801 | - |
dc.authorscopusid | 57763018600 | - |
dc.authorscopusid | 57222012532 | - |
dc.authorscopusid | 57761840600 | - |
dc.authorscopusid | 6507782445 | - |
dc.authorscopusid | 55750645300 | - |
dc.identifier.volume | 649 | en_US |
dc.identifier.wos | WOS:000818746800005 | en_US |
dc.relation.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
dc.identifier.scopusquality | Q2 | - |
dc.identifier.wosquality | Q2 | - |
item.fulltext | With Fulltext | - |
item.grantfulltext | reserved | - |
item.cerifentitytype | Publications | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
crisitem.author.dept | 05.07. Food Engineering | - |
crisitem.author.dept | 05.10. 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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151.pdf Restricted Access | 3.25 MB | Adobe PDF | View/Open Request a copy |
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