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Photoluminescence Spectroscopic Study of BaMgAl10O17:Eu Phosphor Coated with CaF2via a Sol-Gel Process
Author(s) -
Feng Li,
Ying Yang,
Song Yang,
Wubao Wang,
Wei Yang,
Bingya Yang
Publication year - 2013
Publication title -
journal of spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.323
H-Index - 21
eISSN - 2314-4920
pISSN - 2314-4939
DOI - 10.1155/2013/312519
Subject(s) - photoluminescence , phosphor , materials science , excitation , analytical chemistry (journal) , sol gel , degradation (telecommunications) , photoluminescence excitation , emission intensity , luminescence , optoelectronics , chemistry , nanotechnology , physics , telecommunications , chromatography , quantum mechanics , computer science
CaF2 coatings on the surface of BaMgAl10O17:Eu (BAM) were prepared by a sol-gel process, and the optical properties and antithermal degradation properties were analyzed by photoluminescence spectra recorded under 254 nm and 147 nm excitation. The results indicate that BAM particles were successfully coated with CaF2 and CaF2 coatings show an interesting property to enhance the blue emission intensity of BAM. The optimum antithermal degradation properties were obtained at the weight ratio 0.4 wt% under 254 nm excitation and 0.3 wt% under 147 nm excitation, respectively

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