Na[4-3x]Eux(WO4)2 series fluorescent microcrystal and preparation method of microcrystal chemical solution

The invention relates to research of a novel composite tungstate phosphor, and particularly relates to a chemical solution method for preparing the novel fluorescent microcrystal. The microcrystal provided by the invention can be expressed by a general formula Na[4-3x]Eux(WO4)2(0(x(4/3). The chemica...

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Bibliographic Details
Main Authors LAI XIN ZHAO YAN QIN DAN, BI JIAN GAO DAOJIANG WU YUN, LIU MENGJIAO WU SI
Format Patent
LanguageChinese
English
Published 03.04.2013
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:The invention relates to research of a novel composite tungstate phosphor, and particularly relates to a chemical solution method for preparing the novel fluorescent microcrystal. The microcrystal provided by the invention can be expressed by a general formula Na[4-3x]Eux(WO4)2(0(x(4/3). The chemical solution method comprises the following steps of: weighing and putting a Na2WO4 solution with a corresponding volume in a polytetrafluoroethylene beaker according to a molar ratio of various raw materials required for preparing a certain amount of target system N[a4-3x]Eux(WO4) microcrystal, respectively adding a corresponding amount of EuC13 solution, stirring for 15-30 minutes at a normal temperature, placing the polytetrafluoroethylene beaker in a high-pressure reactor after adjusting the pH value of the solution to 6-9; carrying out hydrothermal reaction at 80-160 DEG C for 15-30 hours, and naturally cooling to a room temperature; and precipitating, carrying out centrifugal separation, washing by deionized wa
Bibliography:Application Number: CN20121210198