Effects of Sr2+ on structure and luminescent properties of BaAl12O19:Eu phosphors |
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| Authors: | XIE Ying XIAO Linjiu HE Mingrui CHEN Yongjie LI Wenze YU Weike |
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| Affiliation: | 1(1.Shenyang University of Chemical Technology,Key Laboratory of Rare-Earth Chemistry and Applying Liaoning Province,Shenyang 110142,China;2.Shenyang Supervision and Inspection Institute for Product Quality,Shenyang 110022,China) |
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| Abstract: | Ba0.9-ySryAl12O19:Eu0.1 phosphors were prepared by sol-gel technique,the crystalline structures of samples characterized by XRD,and the luminescence properties were investigated.The influence of crystallographic positions on the luminescent properties of Sr2+-doped BaAl12O19:Eu was investigated in detail.The results indicated that the crystal lattice of BaAl12O19:Eu was not influenced by the Sr2+ and doping Sr2+ in BaAl12O19:Eu enhanced the luminescent properties of the phosphors at the proper concentration of Sr2+.With the increasing of concentration of Sr2+ doped in BaAl12O19:Eu,the relative luminescent intensity of Ba0.9-ySryAl12O19:Eu0.1 strengthened and blue-shifted. |
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| Keywords: | phosphors luminescence properties Sr2+ Eu2+ rare earths |
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