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Yellow persistent luminescence of Sr2SiO4:Eu2+,Dy3+ |
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| Authors: | Danuta Dutczak Alexander Milbrat Arturas Katelnikovas Andries Meijerink Cees Ronda Thomas Jüstel |
| Affiliation: | 1. Department of Chemical Engineering, Münster University of Applied Sciences, Stegerwaldstr. 39, D-48565 Steinfurt, Germany;2. CMI, Debye Institute for Nanomaterials Science, Utrecht University, P.O. Box 80 000, 3508 TA Utrecht, The Netherlands;3. Department of General and Inorganic Chemistry, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania;4. Philips Research Europe – Eindhoven, High Tech Campus 4, 5656 AE Eindhoven, The Netherlands |
| Abstract: | This paper reports the photoluminescence and afterglow of Sr2SiO4 doped with Eu2+ and Dy3+. Factors governing the formation of the monoclinic or orthorhombic phase of this ortho-silicate are described and the impact of the crystallographic modification on the luminescence and afterglow under UV and VUV excitation are discussed and insight in factors limiting the efficiency of this yellow afterglow material is given. |
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