Research Article

Optical Properties of Afterglow Nanoparticles S r 2 M g S i 2 O 7 : E u 2 + , D y 3 + Capped with Polyethylene Glycol

Figure 2

Optical properties of Sr2MgSi2O7: Eu2+, Dy3+. (a) Photoluminescence spectrum (excitation wavelength: 276 nm). (b) Photoluminescence excitation spectrum (emission wavelength: 466 nm).
814745.fig.002a
(a)
814745.fig.002b
(b)