Fig. 1From: Revisiting the Enhanced Red Upconversion Emission from a Single β-NaYF4:Yb/Er Microcrystal By Doping with Mn2+ IonsSEM micrographs of the NaYF4:Yb/Er (20/2 mol%) microcrystals doping with a 0, b 5, c 10, d 20 and e 30 mol% Mn2+ ions, respectively. f XRD patterns of the NaYF4 microcrystals doping with different concentrations of Mn2+ ions. EDS analysis of the NaYF4:Yb/Er (20/2 mol%) microcrystals doping with g 0 and h 30 mol% Mn2+ ions, respectivelyBack to article page