Preparation and photoluminescence properties of YAl3(BO3)(4):Tb3+, Bi3+ phosphor under VUV/UV excitation

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The huntite structured YAl3(BO3)(4):Tb3+, Bi3+ phosphor was prepared by a solid state reaction method. The emission lines due to the D-5(4)-F-7(J) (J = 0, 1, 2, 3, 4, 5, 6) and D-5(3)-F-7(J) (J = 4, 5, 6) transitions of Tb3+ ions were observed, and the main emission wavelength was about 545 nm due to D-5(4) -F-7(5) transition. Without Bi3+ ions, the main emission intensity of the Y1-x TbxAl3(BO3)(4) sample with x = 0.3 was the highest. However, the PL inten D-5(3)-F-7(5) emission was decreased due to the cross-relxation D-5(3) to D-5(4) with increase of the Tb3+ concentration. Although the host absorption band below 165 nm was decreased by addition of Bi3+ ions, the S-1(0) P-1(1) and S-1(0) -> P-3(1) transitions of Bi3+ ions enhanced the luminescence of Tb3+ ions under excitation ranging from 165 nm to 205 nm and from 250 nm to 290 nm, respectively. (C) 2008 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2008-10
Language
English
Article Type
Article
Keywords

PLASMA DISPLAY PANEL; YTTRIUM ALUMINUM BORATE; LUMINESCENT PROPERTIES; TRIVALENT LANTHANIDES; OPTICAL-PROPERTIES; ENERGY-TRANSFER; TB3+; LN; BEHAVIOR; GD

Citation

OPTICAL MATERIALS, v.31, no.2, pp.131 - 135

ISSN
0925-3467
DOI
10.1016/j.optmat.2008.02.005
URI
http://hdl.handle.net/10203/16926
Appears in Collection
MS-Journal Papers(저널논문)
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