TheĪbsorption spectrum of YVO4 shows a strong band in the ultraviolet (UV) region. Luminescence and optical properties of YVO4:Eu3+ single crystalsĪnd macroscopic powders have been intensively studied for more than 30 years. Purity, inherent sturdiness and excellent thermal stability, it is a promising material for the Since YVO4:Eu is characterized by high energy-conversion efficiency, brightness, color Luminescence and displays, such as in cathode ray tubes, fluorescent lamps and plasma displays One of the most important red phosphor materials that is known for a variety of applications in It is also shown that surface loss processes are the reason of the degradation ofĮnergy transfer efficiency from the host lattice to Eu3+ under high-energy excitations in vacuumĬorresponding author’s email: phone number: +37167187816, fax: +37167132778Ĭorresponding author’s email: RadiationĮuropium doped yttrium vanadate (YVO4:Eu), developed in 1964 by Levine and Palilla, is Of the intrinsic emission but not due to the passivation of surface loss centers in core-shelled It isĭemonstrated that the Eu3+ luminescence recovery is achieved at the expense of the suppression A YF3 core-shell layerĪround YVO4:Eu nanoparticles partially recovers the intensity of the Eu3+ emission. Noticeable differences between bulk and nanocrystalline YVO4:Eu in photoluminescenceĮxperimental data, which explains by influence of the nanocrystal surface. Nanocrystalline YVO4:Eu samples – both as-prepared and YF3 coreshelled – have been synthesized by means of a mic rowave-assisted synthesis in ionic liquids, Performed by means of time-resolved luminescence and VUV excitation luminescence Box 3000, FIN-90014 Oulu,Ĭomparative analysis of bulk, non-coated and core-shelled nanocrystalline YVO4:Eu was Research Center of Molecular Materials, University of Oulu, P.O. MAX IV Laboratory, Box 118, S-221 00 Lund, Sweden Institute of Inorganic Chemistry, Karlsruhe Institute of Technology (KIT), Engesserstrasse 15, D. Institute of Solid State Physics, University of Latvia, 8 Kengaraga iela, LV-1063 Riga, Latvia Please note that during the production process errors may be discovered whichĬould affect the content, and all legal disclaimers that apply to the journal pertain.Ĭomparing the Luminescence Processes of YVO 4:Eu and Nanocrystals with Bulk-YVO4:Eu Review of the resulting galley proof before it is published in its final citable form. The manuscript will undergo copyediting, typesetting, and As a service to our customers we are providing this early version of This is a PDF file of an unedited manuscript that has been accepted for With Bulk-YVO4: E u, Physica B: Physics of Condensed Matter, Luminescence Processes of YVO4:Eu and core-shell Nanocrystals To appear in: Physica B: Physics of Condensed MatterĬite this article as: L. ![]() Comparing the Luminescence Processes with Bulk-YVO4:Eu
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