QIAO Yin-po, ZHANG Pan, YIN Hai-rong etc. Preparation,Characterization and Luminescence Properties of Dy<sup>3+</sup> Doped Borate Glasses[J]. Chinese Journal of Luminescence, 2016,37(8): 948-954
QIAO Yin-po, ZHANG Pan, YIN Hai-rong etc. Preparation,Characterization and Luminescence Properties of Dy<sup>3+</sup> Doped Borate Glasses[J]. Chinese Journal of Luminescence, 2016,37(8): 948-954 DOI: 10.3788/fgxb20163708.0948.
Preparation,Characterization and Luminescence Properties of Dy3+ Doped Borate Glasses
Dy) were prepared by high temperature melting method. The structure
composition and luminescence property of BZNA:
x
Dy samples were characterized through FTIR
UV-Vis-NIR and fluorescence spectra. The absorption spectra showed the characteristics peaks of glass substrate and the energy level transition of Dy
3+
. Under 350 nm excitation
the luminescence intensity
ratio of yellow and blue emission peaks
fluorescence lifetime
color coordinate and color temperature of BZNA:
x
Dy samples can be adjusted and changed according to the content of Dy
3+
. The luminescent intensity of Dy
3+
doped samples are observed to be enhanced firstly and then decrease after 1.0% of Dy
3+
mole fraction. Thus
the concentration quenching of Dy occurs in the samples. Meanwhile
the fluorescence lifetime of samples decreases with the increasing doping concentration of rare earth ions. Furthermore
the chromaticity coordinates values and the color temperatures of the emission are reduced gradually.
关键词
Keywords
references
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