COLOR STABLE MANGANESE-DOPED PHOSPHORS

A process for preparing color stable Mn +4 doped phosphors includes providing a phosphor of formula I; €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ A x [MF y ]:Mn +4 €ƒ€ƒ€ƒ€ƒ€ƒI and contacting the phosphor in particulate form with a saturated solution of a composition of formula II in aqueous hydrofluoric acid; €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€...

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Hauptverfasser:	DESHPANDE, ANIRUDHA, RAJENDRA, LYONS, ROBERT, JOSEPH, GRIGOROV, LJUDMIL, SLAVCHEV, SETLUR, ANANT, ACHYUT
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS CHEMISTRY DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES SEMICONDUCTOR DEVICES
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