Ayituerxun·,ABUDUREYIMU, HE Jiu-yang etc. Synthesis and Luminescence Properties of Tb3+ Doped Sodalite Fluorescent Phosphor[J]. Chinese Journal of Luminescence, 2016,37(6): 676-681
Ayituerxun·,ABUDUREYIMU, HE Jiu-yang etc. Synthesis and Luminescence Properties of Tb3+ Doped Sodalite Fluorescent Phosphor[J]. Chinese Journal of Luminescence, 2016,37(6): 676-681 DOI: 10.3788/fgxb20163706.0676.
Synthesis and Luminescence Properties of Tb3+ Doped Sodalite Fluorescent Phosphor
9) phosphors were synthesized under a weak reducing atmosphere by traditional solid state reaction. The crystal structure and luminescence properties of the samples were studied by XRD
SEM
fluorescence spectra and thermal break out analyzer. The samples are composed of plane particle which are different size and irregular polyhedron structure. The samples can be excited efficiently by 242 nm (corresponding to the transition
7
F
J
9
D
J
in Tb
3+
) and emit green fluorescence with better monchromaticity. The color coordinate of the green fluorescence is (0.324 0
0.587 2)
the color purity is 87.4%
and the luminescent quantum efficiency is 0.74. With the increasing of Tb
3+
doping concentration
the concentration quenching phenomenon occurs. When the concentration is 5%
the strongest Tb
3+
green emission can be realized. The results show that the samples may meet the use requirements of PDP device
and can be used as the green group of the tri-phosphor materials.
关键词
Keywords
references
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