Effect of Al3+ on Photoluminescence Properties of Eu3+-Doped BaZr(BO3)2 Phosphors
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Abstract
We discuss the influence of Al3+ on the charge transfer state (CTS) and the photoluminescence roperties of BaZr(BO3)2:Eu. The results reveal that there is a red shift which is about 20nm for the charge transfer state when doping with Al3+ and indicate the formation of `free’ electrons due to the change of microstructures. In addition, the influence of Al3+ doping on the PPR is analysed and a new explanation is raised based on the photo luminescent mechanism. It is the CTS intensity rather than the CTS energy that influences the peak-peak ratio.
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LI Guang-Min, LI-Lan, WANG Da-Jian, ZHANG Xiao-Song, TAO Yi. Effect of Al3+ on Photoluminescence Properties of Eu3+-Doped BaZr(BO3)2 Phosphors[J]. Chin. Phys. Lett., 2006, 23(8): 2063-2065.
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LI Guang-Min, LI-Lan, WANG Da-Jian, ZHANG Xiao-Song, TAO Yi. Effect of Al3+ on Photoluminescence Properties of Eu3+-Doped BaZr(BO3)2 Phosphors[J]. Chin. Phys. Lett., 2006, 23(8): 2063-2065.
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LI Guang-Min, LI-Lan, WANG Da-Jian, ZHANG Xiao-Song, TAO Yi. Effect of Al3+ on Photoluminescence Properties of Eu3+-Doped BaZr(BO3)2 Phosphors[J]. Chin. Phys. Lett., 2006, 23(8): 2063-2065.
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LI Guang-Min, LI-Lan, WANG Da-Jian, ZHANG Xiao-Song, TAO Yi. Effect of Al3+ on Photoluminescence Properties of Eu3+-Doped BaZr(BO3)2 Phosphors[J]. Chin. Phys. Lett., 2006, 23(8): 2063-2065.
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