Research Article

Influence of Impurities on the Luminescence of Er3+ Doped BaTiO3 Nanophosphors

Figure 9

Integrated fluorescence intensity, including only the green and red upconverted emission as a function of the nanocrystals average diameter for (a) BaTiO3 : Er3+ [18], (b) BaYF5 : Yb3+/Er3+ [19], and (c) Y2O3 : Er3+ [20].
708719.fig.009a
(a)
708719.fig.009b
(b)
708719.fig.009c
(c)