期刊
JOURNAL OF LUMINESCENCE
卷 211, 期 -, 页码 382-387出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jlumin.2019.03.065
关键词
CaHfO3; Co-doping; Ce3+/Tb3+; Energy transfer; Temperature dependence
类别
资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT and Future Planning [NRF-2016R1A2B4012628]
We investigated the emission property of Ce3+ and Tb3+ co-doped CaHfO3 phosphor. Using photoluminescence and photoluminescence excitation spectroscopy, we found that as a result of the energy transfer from Ce3+ to Tb3+, the visible emission intensity of Tb3+ increased dramatically with near ultraviolet (UV) light excitation, and consequently, the colors of our phosphors were tuned from blue to green/yellow and through to white. The temperature dependent emission measurement revealed that the energy transfer from Ce3+ to Tb3+ in the near UV region could be more efficient at low temperatures.
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