Preparation of high purity silicate-containing phosphors

Details Preparation of high purity silicate-containing phosphors Preparation of high purity silicate-containing phosphors

1996-02-06

1997-11-18

Bonner, Melissa

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

2523016F, 423326, 25036301, 345 76, C09K 1159

Patent

active

056884389

ABSTRACT:
A method of preparing a silicate-containing phosphor is provided. The method includes combining a mixture of metal or metalloid compounds with a gaseous silicon-containing in an amount sufficient to convert the compounds to silicates, and heating the silicates under conditions effective to form a phosphor.

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Gomes et al., "Preparation and Cathodoluminescence of Ce.sup.3+ -Activated Yttrium Silicates and Some Isostructural Compounds," Mat. Res. Bull., 4, 643-650 (Jul. 1969).
Hess et al., "Photoluminescence of Zinc Silicate Doped with AL and Ti," Journal of the Electrochemical Society, 130(12), 2443-2447 (Dec. 1983).
M. Leskha et al., "Effect of Flux Materials on the Reaction of Y.sub.2 O.sub.3 and SiO.sub.2," J. Am. Ceram. Soc., 70(7), C160-C161 (Jul. 1987).
Morozova et al., "Yttrium Silicates -New Bases for Cathodoluminophors," Bulletin of the Academy of Science of the USSR, 33(6), pp. 990-992 (Jun. 1969).

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