Yttrium vanadate nanoparticles, rare earth ion-doped yttrium vanadate nanoparticles and preparation method of yttrium vanadate nanoparticles and rare earth ion-doped yttrium vanadate nanoparticles

A technology of nano-particles and rare earth ions, applied in chemical instruments and methods, nanotechnology, nano-optics, etc., can solve the problems of poor particle shape, complex process, poor water solubility, etc., and achieve good process repeatability, size The effect of uniform distribution and no pollution to the environment

Inactive Publication Date: 2016-07-06
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can solve the existing problems in the existing preparation methods such as poor particle morphology, complicated process and poor water solubility.

Method used

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  • Yttrium vanadate nanoparticles, rare earth ion-doped yttrium vanadate nanoparticles and preparation method of yttrium vanadate nanoparticles and rare earth ion-doped yttrium vanadate nanoparticles
  • Yttrium vanadate nanoparticles, rare earth ion-doped yttrium vanadate nanoparticles and preparation method of yttrium vanadate nanoparticles and rare earth ion-doped yttrium vanadate nanoparticles
  • Yttrium vanadate nanoparticles, rare earth ion-doped yttrium vanadate nanoparticles and preparation method of yttrium vanadate nanoparticles and rare earth ion-doped yttrium vanadate nanoparticles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] (a) Mix 0.6 mmol sodium orthovanadate dodecahydrate and 6 mL water in a weighing bottle, stir at room temperature until uniform, and obtain an aqueous solution of sodium orthovanadate.

[0038] (b) First weigh 0.2594g of polyacrylic acid into another weighing bottle, then add 0.6mmol of yttrium chloride hexahydrate, and then add 9mL of water. Mix evenly to obtain a reaction mixture solution.

[0039] (c) Inject the prepared aqueous solution of sodium orthovanadate into the reaction mixture solution, stir until uniform, and use the prepared concentration of 1mol L -1 sodium hydroxide solution to adjust the pH of the reaction mixture to 12, and continued to stir for 30 hours.

[0040] (d) Add ethanol precipitation and centrifugation to the reaction product, wash the precipitate repeatedly with water and ethanol several times, to remove unreacted excess substances in the reaction, and then disperse in 3ml of water to prepare a water-soluble product with good dispersibility....

Embodiment 2

[0043] (a) Mix 0.6 mmol sodium orthovanadate dodecahydrate and 6 mL water in a weighing bottle, stir at room temperature until uniform, and obtain an aqueous solution of sodium orthovanadate.

[0044] (b) First weigh 0.2594g of polyacrylic acid into another weighing bottle, then add 0.6mmol of yttrium chloride hexahydrate, and then add 9mL of water. Mix evenly to obtain a reaction mixture solution.

[0045] (c) Inject the prepared aqueous solution of sodium orthovanadate into the reaction mixture solution, stir until uniform, and use the prepared concentration of 1mol L -1 The sodium hydroxide solution adjusted the pH of the reaction mixture to 12, transferred the reaction solution into a three-necked bottle, reacted at 80° C. for 30 minutes, and cooled to room temperature.

[0046] (d) The reaction product is added to ethanol precipitation, centrifugation, and the precipitate is repeatedly washed with water and ethanol several times to remove unreacted excess substances in t...

Embodiment 3

[0049] (a) Mix 0.6 mmol sodium orthovanadate dodecahydrate and 6 mL water in a weighing bottle, stir at room temperature until uniform, and obtain an aqueous solution of sodium orthovanadate.

[0050] (b) First weigh 0.2594g polyacrylic acid into another weighing bottle, then add 0.51-0.57mmol yttrium chloride hexahydrate, 0.03-0.09mmol europium chloride hexahydrate, samarium chloride hexahydrate or chloride hexahydrate Dysprosium, then add 9mL of water. Mix evenly to obtain a reaction mixture solution.

[0051] (c) Inject the prepared aqueous solution of sodium orthovanadate into the reaction mixture solution, stir until uniform, and use the prepared concentration of 1mol L -1 sodium hydroxide solution to adjust the pH of the reaction mixture to 12, and continued to stir for 30 hours.

[0052] (d) The reaction product is precipitated by adding ethanol, centrifuged, and the precipitate is repeatedly washed with water and ethanol several times to remove unreacted excess subst...

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Abstract

The invention provides yttrium vanadate nanoparticles, rare earth ion-doped yttrium vanadate nanoparticles and a preparation method of the yttrium vanadate nanoparticles and the rare earth ion-doped yttrium vanadate nanoparticles, and belongs to the technical field of fluorescent nanomaterials.The preparation method comprises the steps that sodium orthovanadate dodecahydrate, rare-earth chloride hexahydrate, polyacrylic acid and water are mixed according to a certain proportion, pH is regulated, reacting under stirring is performed at room temperature, or the mixture is transferred into a three-necked bottle to be subjected to a reaction at the temperature of 60 DEG C-90 DEG C, and the water-soluble yttrium vanadate nanoparticles and the water-soluble rare earth ion-doped yttrium vanadate nanoparticles can be obtained.The method is simple in process, convenient and rapid to operate, low in cost, friendly to the environment and good in technological repeatability; the obtained nanoparticles have the good water solubility, are small in particle size and have the huge application potential on medical imaging and fluorescence labeling.

Description

technical field [0001] The invention belongs to the technical field of fluorescent nanometer materials, in particular to a water-soluble yttrium vanadate nanoparticle, a water-soluble rare earth ion-doped yttrium vanadate nanoparticle and a preparation method thereof. Background technique [0002] With the improvement of lighting equipment, the emergence of new flat panel displays, the deepening of drug research, the development of biotechnology, the synthesis and performance improvement of fluorescent materials have become problems that scientists need to solve urgently. Among the many luminescent materials, rare earth vanadate nano-luminescent materials are widely studied as alternative light sources, improved lighting materials, drug modification materials, and biomarker materials due to their good luminescent properties, low toxicity, and long luminescent life. . Yttrium vanadate doped with rare earth ions, especially europium (Eu 3+ ), samarium (Sm 3+ ) and (Dy 3+ )...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K11/82B82Y20/00B82Y40/00
CPCB82Y20/00B82Y40/00C09K11/7708C09K11/7736C09K11/7765
Inventor 施展陈彩玲李春光李计鑫冯守华
Owner JILIN UNIV
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