Advances in Optical Technologies

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 6

Schematic of an afterglow nanoparticle and of PEG molecules. (a) An afterglow nanoparticle without the addition of PEG. (b) An afterglow nanoparticle capped with PEG molecules at a high PEG concentration.
814745.fig.006