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Long-Lasting Phosphorescence Properties of Pyrochlore La2Ti2O7:Pr3+ Phosphor
其他题名论文其他题名
Chu M. H.; Jiang D. P.; Zhao C. J.; Li B.
2010
发表期刊Chinese Physics Letters
ISSN0256-307X
卷号27期号:4
摘要The La2Ti2O7:Pr3+, which emits red color luminescence upon UV light excitation, is prepared by the conventional high-temperature solid-state method and its luminescent properties are systematically investigated. X-ray diffraction, photoluminescence, afterglow emission spectra and long-lasting phosphorescence ( LLP) decay curves are used to characterize this phosphor. After irradiation by a 290-nm UV light for 3 min, the Pr3+-doped La2Ti2O7 phosphor emits intense red emitting afterglow from the D-1(2) -> H-3(4) transitions, and its afterglow can be seen with the naked eye in the dark clearly for more than 1 h after removal of the excitation source. The afterglow decay curve of the Pr3+-doped La2Ti2O7 phosphor contains a fast decay component and another slow decay one. The possible mechanism of this red light emitting LLP phosphor is also discussed based on the experimental results.
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/24763
专题中科院长春光机所知识产出
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Chu M. H.,Jiang D. P.,Zhao C. J.,et al. Long-Lasting Phosphorescence Properties of Pyrochlore La2Ti2O7:Pr3+ Phosphor[J]. Chinese Physics Letters,2010,27(4).
APA Chu M. H.,Jiang D. P.,Zhao C. J.,&Li B..(2010).Long-Lasting Phosphorescence Properties of Pyrochlore La2Ti2O7:Pr3+ Phosphor.Chinese Physics Letters,27(4).
MLA Chu M. H.,et al."Long-Lasting Phosphorescence Properties of Pyrochlore La2Ti2O7:Pr3+ Phosphor".Chinese Physics Letters 27.4(2010).
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