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Luminescence of Eu ‐Doped Transparent LuPO 4 Glass‐Ceramics
Author(s) -
Liu XueYun,
Wei YunLe,
Guo Hai
Publication year - 2013
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.12155
Subject(s) - luminescence , materials science , doping , crystallization , ceramic , nanocrystal , photoluminescence , valence (chemistry) , emission spectrum , quenching (fluorescence) , phosphate glass , analytical chemistry (journal) , mineralogy , nanotechnology , fluorescence , optoelectronics , spectral line , chemistry , optics , composite material , physics , organic chemistry , chromatography , astronomy
Dual valence Eu ‐doped transparent glass‐ceramics containing LuPO 4 nanocrystals were fabricated by melt‐quenching technique in air atmosphere. Their luminescent properties were systematically investigated by excitation, emission spectra, and decay lifetime measurements. The prominent Stark splitting, low forced electric‐dipole 5 D 0 – 7 F 2 transition and long decay lifetimes of Eu 3 + emission for glass‐ceramics reveal the incorporation of Eu 3 + into LuPO 4 nanocrystals. The enhanced Eu 2 + emission and reduction mechanism of Eu 3 + to Eu 2 + after crystallization are discussed briefly. Our results indicate that transparent LuPO 4 glass‐ceramics may find applications in photonics.
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