Study on the Emission Property in Ce3+, Tb3+, and Eu3+ Co-doped CaHfO3 Phosphors via Successive Energy Transfer

被引：0
作者：
Taerim Lee
Soyeong Jang
Hyunseo Kim
Hyuntae Lim
Y. S. Lee
机构：
[1] Soongsil University,Department of Physics
来源：
Journal of the Korean Physical Society | 2020年 / 76卷
关键词：
CaHfO; Co-doping; Ce; /Tb; /Eu; Energy transfer;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We investigated the energy transfer among three rare-earth ions, Ce3+, Tb3+, and Eu3+, and the related emission properties in a host material CaHfO3 by using photoluminescence spectroscopy. We found that in case of the Tb3+ and Eu3+ doubly-doped CaHfO3, the visible emission intensity of Eu3+ could be activated with the photoexcitation of the transitions in Tb3+ through an energy transfer from Tb3+ to Eu3+. By adding Ce3+ ions to this doubly doped sample, we obtained the Eu3+ emission with near-ultraviolet (NUV) light excitation in Ce3+ via the successive energy transfers Ce3+ → Tb3+ and Tb3+ → Eu3+. We observed that the emission colors were tuned from blue to green/yellow and then to red with NUV photoexcitation in Ce3+/Tb3+/Eu3+-codoped CaHfO3.
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页码：237 / 242
页数：5
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