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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Foundation item: Supported by the National Natural Science Foundation of China (11174229), the National Key Basic Research Program (973 Program) (2011CB922201) and the Natural Science Foundation of Jiangsu Province (SBK 201240182)
Biography: LI Haiyang, female, Master candidate, research direction: rare earth materials.
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Li, H., Wang, J., Nan, F. et al. Upconversion luminescence properties of Mn2+-doped NaYF4:Yb/Er nanoparticles. Wuhan Univ. J. Nat. Sci. 18, 207–212 (2013). https://doi.org/10.1007/s11859-013-0916-x
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DOI: https://doi.org/10.1007/s11859-013-0916-x