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A rare earth-doped zirconium sodium fluoride-based nano-luminescent material and its preparation method and application

A doping technology of sodium zirconium fluoride and rare earth, which is applied in the direction of luminescent materials, chemical instruments and methods, etc., can solve the problems of few reports and few studies, and achieve good uniformity and repeatability, good repeatability, and synthesis The effect of easily controlled conditions

Active Publication Date: 2019-04-16
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the research on rare earth-doped fluoride luminescent host materials mainly focuses on sodium yttrium fluoride (NaYF 4 ), sodium gadolinium fluoride (NaGdF 4 ) or lithium yttrium fluoride (LiYF 4 ) and other alkali metal rare earth fluoride systems, there are few studies on alkali metal transition metal fluoride systems, especially the research on alkali metal transition metal fluoride systems based on transition metal zirconium is rarely reported

Method used

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  • A rare earth-doped zirconium sodium fluoride-based nano-luminescent material and its preparation method and application
  • A rare earth-doped zirconium sodium fluoride-based nano-luminescent material and its preparation method and application
  • A rare earth-doped zirconium sodium fluoride-based nano-luminescent material and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Preparation of Na 5 Zr 2 f 13 :20%Yb / 2%Er nano-luminescent material

[0045] Weigh 624μL of zirconium acetate, 0.0035g of erbium acetate and 0.0423g of ytterbium acetate into a 100mL three-necked flask at room temperature, add 12mL of oleic acid and 16mL of octadecene, and stir to mix evenly. Under the protection of nitrogen flow, the above mixture was heated to 150°C and kept at this temperature for 60 minutes to completely dissolve the zirconium acetate and rare earth acetate to obtain a transparent and clear solution. After cooling to room temperature, 10 mL of methanol solution in which 0.1297 g of ammonium fluoride and 0.06 g of sodium hydroxide were dissolved was added dropwise, stirred and allowed to react at room temperature for 30 minutes. Then the mixed solution was heated to 50° C. and kept for 30 minutes to remove methanol in the reaction system. After the methanol was removed, the reaction system was heated to 290°C under the protection of nitrogen flow...

Embodiment 2

[0050] Preparation of Na 5 Zr 2 f 13 :20%Yb / 1%Tm nano-luminescent material

[0051] Weigh and weigh 632μL of zirconium acetate, 0.0018g of thulium acetate and 0.0423g of ytterbium acetate into a 100mL three-necked flask at room temperature, add 12mL of oleic acid and 16mL of octadecene, and stir to mix evenly. Under the protection of nitrogen flow, the above mixture was heated to 150°C and kept at this temperature for 60 minutes to completely dissolve the zirconium acetate and rare earth acetate to obtain a transparent and clear solution. After cooling to room temperature, 10 mL of methanol solution in which 0.1297 g of ammonium fluoride and 0.06 g of sodium hydroxide were dissolved was added dropwise, stirred and allowed to react at room temperature for 30 minutes. Then the mixed solution was heated to 50° C. and kept for 30 minutes to remove methanol in the reaction system. After the methanol was removed, the reaction system was heated to 290°C under the protection of ni...

Embodiment 3

[0054] Preparation of Na 5 Zr 2 f 13 :20%Yb / 1%Ho nano-luminescent material

[0055] Weigh 632μL of zirconium acetate, 0.0017g of holmium acetate and 0.0423g of ytterbium acetate into a 100mL three-necked flask at room temperature, add 12mL of oleic acid and 16mL of octadecene, and stir to mix evenly. Under the protection of nitrogen flow, the above mixture was heated to 150°C and kept at this temperature for 60 minutes to completely dissolve the zirconium acetate and rare earth acetate to obtain a transparent and clear solution. After cooling to room temperature, 10 mL of methanol solution in which 0.1297 g of ammonium fluoride and 0.06 g of sodium hydroxide were dissolved was added dropwise, stirred and allowed to react at room temperature for 30 minutes. Then the mixed solution was heated to 50° C. and kept for 30 minutes to remove methanol in the reaction system. After the methanol was removed, the reaction system was heated to 290°C under the protection of nitrogen flo...

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Abstract

The invention discloses a rare-earth doped sodium zirconium fluoride based nano luminescent material as well as a preparation method and application thereof. The rare-earth doped sodium zirconium fluoride based nano luminescent material is a Na5Zr2F13 nano-material with a monoclinic phase, wherein the grain diameter of the Na5Zr2F13 nano luminescent material is 10nm to 60nm; the preparation method comprises the following steps: taking zirconium acetate as metal salt of Zr and synthesizing the rare-earth doped sodium zirconium fluoride based Na5Zr2F13 nano luminescent material by utilizing a high-temperature co-precipitation method; synthesis conditions of the material are easy to control and the repeatability is good; the prepared nano luminescent material has relatively good dispersity, uniformity and repeatability; the rare-earth doped sodium zirconium fluoride based Na5Zr2F13 nano luminescent material has a good luminescent performance, can be used as an ideal matrix material for realizing up-conversion and down-conversion luminescence, and has great development potential in the fields of luminescent imaging, biological application and the like.

Description

technical field [0001] The invention belongs to the technical field of nano-luminescent materials, and in particular relates to a rare-earth-doped zirconium sodium fluoride-based nano-luminescent material and a preparation method and application thereof. Background technique [0002] Rare earth-doped nanoluminescent materials have the advantages of weak background interference, long fluorescence lifetime, low excitation energy, and deep tissue penetration. They have shown broad application prospects in lighting display, drug delivery, biomedical imaging, and biomarkers. Research hotspots at home and abroad. Rare-earth-doped nano-luminescent materials are composed of crystal host materials and rare-earth dopant ions, and the host materials have a crucial influence on the luminescent properties. Compared with other host materials, fluoride has stable physical and chemical properties and lower phonon energy, and is a good luminescent host material. At present, the research on...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K11/67
CPCC09K11/7733C09K11/7773
Inventor 付虎辉于莉华刘永升洪茂椿
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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