Fine granule luminous storage fluorescence powder and its preparation method

A fine-granularity light-accumulating flouresecent powder of alkali-earth metal aluminate featuring use of Eu as main activating agent, and has the chemical formula: (A1-x-yDxEy)O.a(G1-zHz)2O3, where A is at least one of the alkali-earth metals including Mg, Ca, Sr, and Ba and di-valent metal Zn, D...

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Bibliographic Details
Main Authors YOU, GUO HAI, XIE, MING YUAN, CHEN, PING, FUKUI, TOSHINOBU
Format Patent
LanguageEnglish
Published 11.05.2002
Edition7
Subjects
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Summary:A fine-granularity light-accumulating flouresecent powder of alkali-earth metal aluminate featuring use of Eu as main activating agent, and has the chemical formula: (A1-x-yDxEy)O.a(G1-zHz)2O3, where A is at least one of the alkali-earth metals including Mg, Ca, Sr, and Ba and di-valent metal Zn, D is Eu as activating agent, E is co-activating agent, the rare-earth element may be Dy, Nd, Pr, Ho, Er, Tm,Yb, or Lu, the transition element may be Mn, Zr, Nb, Ti, Sb, Li, Ge, In, or W, G is matrix co-crystal A1, H is matrix co-crystal B or Ga, x=(0.0001-0.5), y=(0.0001-0.3), z=(0.0001-0.5), a=(0.5-3.0).
Bibliography:Application Number: TW19990100371