Photoluminescence Spectroscopic Study of BaMgAl10O17 : Eu Phosphor Coated with CaF2 via a Sol-Gel Process

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...

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Published in:Journal of spectroscopy (Hindawi) 2013-01, Vol.2013 (2013), p.1-5
Main Authors: Li, Feng, Yang, Ying, Song, Yang, Wang, Wubao, Yang, Wei, Yang, Bingya
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Yang, Ying
Song, Yang
Wang, Wubao
Yang, Wei
Yang, Bingya
description 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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title Photoluminescence Spectroscopic Study of BaMgAl10O17 : Eu Phosphor Coated with CaF2 via a Sol-Gel Process
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