Journal
MATERIALS LETTERS
Volume 61, Issue 8-9, Pages 1654-1657Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2006.07.161
Keywords
SrAl2B2O7 : Tb3+ phosphor; excitation spectrum; emission spectrum
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SrAl2B2O7:Tb3+ phosphors were fabricated by the sol-gel method. The phosphor showed prominent luminescence in green due to the D-5(4)-F-7(5) transition of Tb3+. Structural characterization of the luminescent material was carried out with X-ray powder diffraction (XRD) analysis. Luminescence properties were analyzed by measuring the excitation and photoluminescence spectra. Photoluminescence measurements indicated that the phosphor exhibited bright green emission at about 541 nm under UV excitation. It is shown that the 11% of doping concentration of Th3+ ions in SrAl2B2O7:Tb3+ phosphors is optimum. (c) 2006 Elsevier B.V. All rights reserved.
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