- Article
Luminescent Afterglow Behavior in the M2Si5N8: Eu Family (M = Ca, Sr, Ba)
- Koen Van den Eeckhout,
- Philippe F. Smet and
- Dirk Poelman
Persistent luminescent materials are able to emit light for hours after being excited. The majority of persistent phosphors emit in the blue or green region of the visible spectrum. Orange- or red-emitting phosphors, strongly desired for emergency si...

