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Preparation method of a narrow-band ytterbium-thulium double-doped gzo nano-fluorescent material

A nano-fluorescent, narrow-band technology, applied in the field of preparation of GZO nano-fluorescent materials, can solve the problems of large particle size, unfavorable application, wide band distribution, etc., achieve wide application value and reduce the effect of wavelength range

Active Publication Date: 2016-10-26
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the existing up-conversion blue light matrix material has a wide band distribution and a large particle size, which is not conducive to its application in medicine, biology and radar, etc., and provides a narrow-band ytterbium-thulium double-doped Preparation method of GZO nano fluorescent material

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  • Preparation method of a narrow-band ytterbium-thulium double-doped gzo nano-fluorescent material

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specific Embodiment approach 1

[0028] Embodiment 1: This embodiment is a preparation method of a narrow-band ytterbium-thulium double-doped GZO nano-fluorescent material, which is completed according to the following steps:

[0029] 1. Add the NaOH solution with a mass fraction of 4% to 8% dropwise at a rate of 30 drops / min to 60 drops / min to the Zn(NO 3 ) 3 solution, to obtain a mixed solution A; then the mass fraction is 0.2% to 1.5% Ga(NO 3 ) 3 The solution was added dropwise to the mixed solution A at a rate of 30 drops / min to 60 drops / min, and then magnetically stirred at a stirring speed of 600r / min to 800r / min for 20min to 30min to obtain a mixed solution B;

[0030] NaOH and Zn(NO 3 ) 3 The molar ratio of the substance is 4:1;

[0031] In the mixed solution B described in step 1, Zn(NO 3 ) 3 and Ga(NO 3 ) 3 The molar ratio of the substance is 100:1;

[0032] 2. Add 1mol%~9mol% ytterbium oxide nitric acid solution into the mixed solution B, then add 1mol%~2mol% thulium oxide nitric acid sol...

specific Embodiment approach 2

[0046] Specific embodiment two: the difference between this embodiment and specific embodiment one is: in step one, the NaOH solution that mass fraction is 6%~8% is added dropwise to mass with the rate of addition of 40 drops / min~60 drops / min The fraction is 7%~9% Zn(NO 3 ) 3 solution, a mixed solution A was obtained. Others are the same as the first embodiment.

specific Embodiment approach 3

[0047] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: in step one, Ga(NO 3 ) 3 The solution is added dropwise to the mixed solution A at a rate of 40 drops / min to 60 drops / min, and then magnetically stirred at a stirring speed of 700r / min to 800r / min for 25min to 30min to obtain a mixed solution B. Others are the same as those in Embodiment 1 or 2.

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Abstract

The invention discloses a method for preparing a narrow-band ytterbium-thulium double-doped GZO nanometer fluorescent material and relates to a method for preparing a GZO nanometer fluorescent material. The invention aims at solving the problems that the conventional up-conversion blue-light substrate material is wide in wave band distribution and large in particle size and is unfavorable for applications in aspects such as medicines, biology and radar. The preparation method comprises the following steps: mixing NaOH solution and Zn(NO3)3 solution, dripping Ga(NO3)3 solution, adding ytterbium oxide nitric acid solution and thulium oxide nitric acid solution, and carrying out a hydrothermal reaction, thereby obtaining the narrow-band ytterbium-thulium double-doped GZO nanometer fluorescent material. The narrow-band ytterbium-thulium double-doped GZO nanometer fluorescent material prepared by the method disclosed by the invention is narrow in wave band distribution, and up-conversion blue light in the narrow band is obtained. The size of the prepared narrow-band ytterbium-thulium double-doped GZO nanometer fluorescent material is 40-50nm, and the morphology of the fluorescent material is a nanorod. According to the method disclosed by the invention, the narrow-band ytterbium-thulium double-doped GZO nanometer fluorescent material can be obtained.

Description

technical field [0001] The invention relates to a preparation method of a GZO nano fluorescent material. Background technique [0002] In the field of optics, up-conversion is the conversion of long-wavelength light into short-wavelength light. The so-called up-conversion luminescence refers to the phenomenon of converting two or more low-energy photons into one high-energy photon, generally referring to the conversion of infrared light into visible light, and its luminescence mechanism is based on a two-photon or multi-photon process. Up-conversion luminescent materials have many excellent properties and wide applications, for example, they can be used to realize simple, cheap and reliable compact laser systems. However, the currently reported upconversion blue light matrix materials have relatively wide wavelength distribution and large particle size, which have limitations in biomedical applications. In order to solve this problem, the present invention prepares an up-c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K11/62
Inventor 王锐李月梅仇兆忠徐衍岭徐欢欢周建军茹毅刘秩桦
Owner HARBIN INST OF TECH
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