Upconversion luminescence properties of Mn2+-doped NaYF4:Yb/Er nanoparticles
Haiyang LiJiahong WangFan NanShan LiangYuting ZhongLi ZhouQu‐Quan Wang
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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