Upconversion luminescence properties of Mn2+-doped NaYF4:Yb/Er nanoparticles |
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| Authors: | Haiyang Li Jiahong Wang Fan Nan Shan Liang Yuting Zhong Li Zhou Ququan Wang |
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| Institution: | 1. School of Physics and Technology/Key Laboratory of Artificial Micro-and Nano-Structures of Ministry of Education, Wuhan University, Wuhan, 430072, Hubei, China
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| Abstract: | NaYF4:Yb/Er upconversion nanoparticles doped with Mn2+ were synthesized by hydrothermal method. The upconversion photoluminescence measured by 975 nm continuous wave laser indicates that the as-synthesized samples generated green and red color emission with various intensity ratio ranging from 3.25 to 548.35, which is highly correlative to the dopant concentration of Mn2+. However, there is no red emission enhancement observed in Cu2+-doped NaYF4:Yb/Er nanoparticles. |
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