State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
Chem Commun (Camb). 2012 Nov 7;48(86):10630-2. doi: 10.1039/c2cc35480b.
Novel Yb/Er(Tm):Na(3)MF(7) (M = Zr, Hf) nanocrystals with intrinsic single-band upconversion emission, in contrast to the routine lanthanide-doped fluoride nanocrystals which show typical multi-band upconversion emissions, are reported for the first time. Specifically, the red upconversion intensity of the Yb/Er:Na(3)ZrF(7) nanocrystals is about 5 times as high as that of the hexagonal Yb/Er:NaYF(4) ones with a similar crystal size.
首次报道了具有本征单带上转换发射的新型 Yb/Er(Tm):Na(3)MF(7)（M = Zr，Hf）纳米晶体，与常规的镧系掺杂氟化物纳米晶体表现出典型的多带上转换发射形成对比。具体而言，Yb/Er:Na(3)ZrF(7)纳米晶体的红色上转换强度约为具有相似晶体尺寸的六方 Yb/Er:NaYF(4)的 5 倍。
