Luminescence Properties of Eu2+ and Mn2+ Codoped 50SiO2–17Al2O3–23MgF2–10NaF Glasses and Glass–Ceramics

Authors: Luo, Qun1; Qiao, Xvsheng1; Fan, Xianping1; Fan, Bo2; Zhang, Xianghua2

Source: Journal of the American Ceramic Society, Volume 94, Number 6, June 2011 , pp. 1670-1674(5)

Publisher: Wiley-Blackwell

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Abstract:

The Eu2+ and Mn2+ codoped 50SiO2–17Al2O3–23MgF2–10NaF glasses and glass–ceramics were prepared and their luminescence properties were investigated. The red emission intensity of Mn2+ in the Eu2+ and Mn2+ codoped glass was about five times stronger than that in the Mn2+ doped glass, which could be attributed to energy transfer from Eu2+ to Mn2+. The energy transfer mechanism from Eu2+ to Mn2+ in glasses was determined to be a dipole-quadrupole interaction. The luminescence intensity of the glass–ceramics was stronger than that of the glass because some Eu2+ and Mn2+ ions entered lower phonon energy environment of MgF2 nanocrystals in the glass–ceramics.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1551-2916.2011.04554.x

Affiliations: 1: State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China 2: Laboratory of Glasses and Ceramics, University of Rennes I, UMR CNRS 6226, 35042 Rennes Cedex, France

Publication date: June 1, 2011

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