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 4

PL spectra of the synthesized nanoparticles with the addition of PEG. PEG concentration: (a) 1 mM, (b) 0.1 mM, and (c) 0 mM.
814745.fig.004