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900437

Sigma-Aldrich

SGA 555 100 isiphor

Synonym(s):

Europium doped alkaline earth orthosilicate, Rare earth doped phosphor, Yellow phosphor

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About This Item

UNSPSC Code:
12352200
NACRES:
NA.23
Pricing and availability is not currently available.

form

powder

composition

Halogen Free, Br <700 ppm, Cl <700 ppm, Br+Cl <1000 ppm

particle size

12-14 μm (D50)
18-20 μm (D90)
7-9 μm (D10)

fluorescence

λem 555 nm±1 nm

Application

Phosphors are solid inorganic crystalline materials that exhibit luminescence upon excitation. Applications of phosphors extend from bio-imaging/bio-sensors to X-ray detectors, fluorescent lamps, displays, and LEDs.[1][2][3][4][5] Our YYG series isiphor are yttrium garnet based yellow phosphors whereas the SGA series isiphor are silicate based green phosphors. These materials exhibit >90% quantum efficiency and are well suited for application in backlighting for liquid crystal displays and LEDs.

Legal Information

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Ronda CR, et al.
J. Alloy Compounds, 275, 669-676 (1998)
Yang Li et al.
Chemical Society reviews, 45(8), 2090-2136 (2016-02-04)
Owing to the unique mechanism of photoelectron storage and release, long persistent phosphorescence, also called long persistent luminescence or long lasting afterglow/phosphorescence, plays a pivotal role in the areas of spectroscopy, photochemistry, photonics and materials science. In recent years, more
Yi G, et al.
Nano Letters, 4, 2191-2191 (2004)
Chun Che Lin et al.
The journal of physical chemistry letters, 2(11), 1268-1277 (2011-06-02)
Light-emitting diodes (LEDs) are excellent candidates for general lighting because of their rapidly improving efficiency, durability, and reliability, their usability in products of various sizes, and their environmentally friendly constituents. Effective lighting devices can be realized by combining one or

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