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Persistent luminescence phenomena in materials doped with rare earth ions
Abstract The luminescent efficiency of rare earth ions is usually drastically lowered when defects are present in the host lattice. Persistent luminescence is the most recent rare earth applicationExpand
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Biocomposites of copper-containing mesoporous bioactive glass and nanofibrillated cellulose: Biocompatibility and angiogenic promotion in chronic wound healing application.
Biocomposites of copper-containing mesoporous bioactive glass (Cu-MBG) and nanofibrillated cellulose (NFC) were designated as potential dressing material for chronic wound healing. The phaseExpand
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Role of defect states in persistent luminescence materials
The Eu 2+ doped alkaline earth aluminates, MAl 2 O 4 :Eu 2+ (M = Ca and Sr) co-doped with selected R 3+ ions are efficient new persistent luminescence materials. The detailed mechanisms of persistentExpand
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Mechanisms of persistent luminescence in Eu2+, RE3+ doped alkaline earth aluminates
Abstract Persistent luminescence of Eu2+ doped calcium aluminate, CaAl2O4 : Eu2+, was studied under UV- and visible illumination. Broad band luminescence was observed in the blue region (λmax=440 nm)Expand
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Sol–gel processed Eu2+-doped alkaline earth aluminates
Abstract Sol–gel preparation, structure and luminescence of Eu 2+ doped calcium aluminate (CaAl 2 O 4 :Eu 2+ ) was studied. The reaction threshold temperature was about 500 °C, when using the sol–gelExpand
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Synchrotron radiation investigations of the Sr2MgSi2O7:Eu2+,R3+ persistent luminescence materials
Abstract The electronic and defect energy level structure of polycrystalline Sr2MgSi2O7:Eu2+,R3+ persistent luminescence materials were studied with thermoluminescence and different synchrotronExpand
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Electronic structure of the SrAl2O4:Eu2+ persistent luminescence material
Abstract The electronic structure of the strontium aluminate (SrAl2O4:Eu2+) materials was studied with a combined experimental and theoretical approach. The UV-VUV synchrotron radiation was appliedExpand
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Stability of rare-earth oxychloride phases: Bond valence study
Abstract The crystal structures of the tetragonal rare earth ( RE ) oxychlorides, RE OCl ( RE =La–Nd, Sm–Ho, and Y) were studied by X-ray powder diffraction measurements, Rietveld analyses, and bondExpand
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Thermoluminescence study of persistent luminescence materials: Eu2+- and R3+-doped calcium aluminates, CaAl2O4:Eu2+,R3+.
Thermoluminescence properties of the Eu2+-, R3+-doped calcium aluminate materials, CaAl2O4:Eu2+,R3+, were studied above room temperature. The trap depths were estimated with the aid of the preheatingExpand
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