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Multicolor Luminescence from Ca3Y2(SiO4)3:Eu2+,Eu3+ Material

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Abstract

Ca3Y2(SiO4)3 powder activated with Eu was prepared with ceramic method. Its spectroscopic properties in VUV-UV-Vis region together with structure and morphology were analyzed. Luminescence measurements indicated that Ca3Y2(SiO4)3 prepared in a reducing atmosphere contained both Eu2+ and Eu3+ ions. The excitation could be tuned to generate a complex luminescence consisting of a broad band related to a blue-greenish 5d → 4f emission of Eu2+ and 4f → 4f red luminescence of Eu3+. Their superposition covered the whole visible part of spectrum and appeared almost white among others upon excitation around 390 nm.

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  1. Faculty of Chemistry, University of Wroclaw, 14 F. Joliot-Curie Street, 50-383, Wroclaw, Poland

    Anna Dobrowolska & Eugeniusz Zych

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  1. Anna Dobrowolska
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  2. Eugeniusz Zych
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Dobrowolska, A., Zych, E. Multicolor Luminescence from Ca3Y2(SiO4)3:Eu2+,Eu3+ Material. MRS Online Proceedings Library 1342, 321 (2011). https://doi.org/10.1557/opl.2011.863

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  • DOI: https://doi.org/10.1557/opl.2011.863

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