Silicate long afterglow phosphors

Silicate series long lasting phoshorescent powder

Silicate series long lasting phoshorescent powder also called long lasting photoluminescent pigment, long lasting fluorescent powder, long afterglow luminescent powder, phosphors etc.

Silicate series long afterglow phosphors have become a kind of important energy materials and energy-saving materials because of their excellent luminescence properties. They have longer afterglow time and more stable chemical properties.

Key words: silicate phosphors, long afterglow luminescent powder, rare earth phosphors, rare earth long afterglow luminescent powder, silicate long afterglow luminescent powder, Aluminate silicate long afterglow luminescent materials

Product series: sky-blue long afterglow phosphor RBT,

Luminous color: sky-blue,

Chemical formula: sky-lue: Sr2MgSi2O7: Eu 2 +, Dy3+

Emission wavelength (peak): 470nm

Excitation wavelength range (nm): 200~450

Powder color: Light white

Luminous color: Sky-blue

Central particle size range: 1 ~ 100micoron

Chemical stability: excellent, slow decomposition in water (waterproof treatment)

Temperature resistance:

between 250-600℃, the luminous performance decreases with the increase of temperature and time

Applicable temperature: no change in luminous performance below 250 ℃

Specific gravity: 3.6 g / cm3

The afterglow brightness range and afterglow time are shown in the following figure:

Luminescent specifications of RBT-20’

NOTE

The above technical data was obtained through test in accordance with DIN67510 Part I method;

The after-glow time refers the time it takes for the luminance to reduce to 0.32mcd/m² from the time

For accurate assessment of the color of luminescence, please refer to samples.