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http://dx.doi.org/10.18419/opus-14155
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DC Element | Wert | Sprache |
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dc.contributor.author | Goerigk, Felix C. | - |
dc.contributor.author | Paterlini, Veronica | - |
dc.contributor.author | Dorn, Katharina V. | - |
dc.contributor.author | Mudring, Anja-Verena | - |
dc.contributor.author | Schleid, Thomas | - |
dc.date.accessioned | 2024-04-02T13:38:51Z | - |
dc.date.available | 2024-04-02T13:38:51Z | - |
dc.date.issued | 2020 | de |
dc.identifier.issn | 2073-4352 | - |
dc.identifier.other | 1885094280 | - |
dc.identifier.uri | http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-ds-141740 | de |
dc.identifier.uri | http://elib.uni-stuttgart.de/handle/11682/14174 | - |
dc.identifier.uri | http://dx.doi.org/10.18419/opus-14155 | - |
dc.description.abstract | Pale yellow crystals of LnSb2O4Br (Ln = Eu-Tb) were synthesized via high temperature solid-state reactions from antimony sesquioxide, the respective lanthanoid sesquioxides and tribromides. Single-crystal X-ray diffraction studies revealed a layered structure in the monoclinic space group P21/c. In contrast to hitherto reported quaternary lanthanoid(III) halide oxoantimonates(III), in LnSb2O4Br the lanthanoid(III) cations are exclusively coordinated by oxygen atoms in the form of square hemiprisms. These [LnO8]13- polyhedra form layers parallel to (100) by sharing common edges. All antimony(III) cations are coordinated by three oxygen atoms forming ψ1-tetrahedral [SbO3]3- units, which have oxygen atoms in common building up meandering strands along [001] according to {[SbO𝑣2/2O𝑡1/1]-}-1 (v = vertex-sharing, t = terminal). The bromide anions are located between two layers of these parallel running oxoantimonate(III) strands and have no bonding contacts with the Ln3+ cations. Since Sb3+ is known to be an efficient sensitizer for Ln3+ emission, photoluminescence studies were carried out to characterize the optical properties and assess their suitability as light phosphors. Indeed, for both, GdSb2O4Br and TbSb2O4Br doped with about 1.0-1.5 at-% Eu3+ efficient sensitization of the Eu3+ emission could be detected. For TbSb2O4Br, in addition, a remarkably high energy transfer from Tb3+ to Eu3+ could be detected that leads to a substantially increased Eu3+ emission intensity, rendering it an efficient red light emitting material. | en |
dc.language.iso | en | de |
dc.relation.uri | doi:10.3390/cryst10121089 | de |
dc.rights | info:eu-repo/semantics/openAccess | de |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | de |
dc.subject.ddc | 540 | de |
dc.title | Synthesis and crystal structure of the short LnSb2O4Br series (Ln = Eu-Tb) and luminescence properties of Eu3+-doped samples | en |
dc.type | article | de |
dc.date.updated | 2023-11-14T05:53:09Z | - |
ubs.fakultaet | Chemie | de |
ubs.fakultaet | Fakultätsübergreifend / Sonstige Einrichtung | de |
ubs.institut | Institut für Anorganische Chemie | de |
ubs.institut | Fakultätsübergreifend / Sonstige Einrichtung | de |
ubs.publikation.seiten | 23 | de |
ubs.publikation.source | Crystals 10 (2020), No. 1089 | de |
ubs.publikation.typ | Zeitschriftenartikel | de |
Enthalten in den Sammlungen: | 03 Fakultät Chemie |
Dateien zu dieser Ressource:
Datei | Beschreibung | Größe | Format | |
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crystals-10-01089.pdf | 8,31 MB | Adobe PDF | Öffnen/Anzeigen |
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