Synthesis and photoluminescent properties of silica-coated LaCeF3:Tb nanocrystals |
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| Authors: | Ling Zhu Jian Meng Xueqiang Cao |
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| Affiliation: | (1) Key Lab of Rare Earth Chemistry & Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, Jilin, China;(2) Graduate School of The Chinese Academy of Sciences, Beijing, 100049, China |
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| Abstract: | La0.45Ce0.45F3:Tb (10 mol% Tb) nanoparticles was synthesized via sonochemical method and then coated with silica (SiO2) shells through a microemulsion process, resulting in the formation of core/shell structured LaCeF3:Tb/SiO2 nanoparticles. The obtained core/shell LaCeF3:Tb/SiO2 nanoparticles are spherical and uniform in size (average size about 60 nm), strongly fluorescent, and long fluorescence lifetime (1.87 ms). This kind of nanoparticles was water-soluble, which could be applied in biological labeling and other fields. |
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| Keywords: | Microemulsion Lanthanide Fluorides Silica Core/Shell Photoluminescent |
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