Luminescent properties of Pr3+ doped (Ca, Zn) TiO3: Powders and films
作者： Xiaofang Yuan , Xiaobo Shi , Mingrong Shen , Wei Wang , Liang Fang
DOI: 10.1016/J.JALLCOM.2009.06.102
关键词:
摘要: Abstract The structural and photoluminescent properties of the Pr 3+ doped Ca 1− x Zn TiO 3 (CZT) powders films were investigated. concentration affected strongly red emission phosphors. maximum fluorescence intensity was found to be at = 30%, for both films. phosphorescence also enhanced largest afterglow happened = 10%, while doping had little effect on behavior Charge compensation ions using deficiency further increased intensity, but suppressed CZT powders. It demonstrated that addition 2+ may make energy transfer more effective from perovskite host ions, leading enhancement phosphorescence. However, directly related amounts uncompensated in
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