Long afterglow luminescence is a phenomenon in which a substance continues to emit light even after the excitation light has stopped. Long afterglow luminescent materials do not contain toxic heavy elements and can be excited prior to detection and imaging, enabling biosensing and imaging under "no-

Long afterglow luminescent material is referred to as long afterglow material is a photoluminescent material. It is a class of material that absorbs energy and continues to emit light after excitation stops, and is a promising material for application.Long afterglow material is one of the earliest r

Glow powder composition that is calcium fluoride, such as the watch glow; can also use pigments mixed with glass microbeads, soft light can form a total reflection of the glow results! You see the road signs on the highway in the dark, or perhaps the red and white outside the drawing line of a power