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Preparation method of hollow flower spherical nanostructure luminescent material

A technology of nanostructures and luminescent materials, which is applied in the direction of luminescent materials, nanotechnology, nanotechnology, etc., and can solve problems such as unfavorable practical applications and weak emission intensity

Active Publication Date: 2021-09-14
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Liang Pan et al. prepared hexahedral (Zn(H 2 O))(B 2 o 4 )·0.12(H 2 O):Tb 3+ , but the emission intensity is weak, which is not conducive to practical application

Method used

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  • Preparation method of hollow flower spherical nanostructure luminescent material
  • Preparation method of hollow flower spherical nanostructure luminescent material
  • Preparation method of hollow flower spherical nanostructure luminescent material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] With 0.7430g (2.5mmol) zinc nitrate hexahydrate, 2.1760g (8.25mmol) ammonium tetraborate octahydrate, 3mLSiO 2 Suspension (containing 0.0025mmol SiO 2 ), 0.0596g (0.132mmol) Tb (NO 3 ) 3 Add 30mL of deionized water, mix evenly, transfer the obtained mixture to a stainless steel autoclave lined with polytetrafluoroethylene, react at 150°C for 12 hours under airtight conditions, filter the reaction product with hot water at 60-80°C, Washed with ethanol for 3 times, dried in an oven at 60°C for 24 hours to obtain hollow flower spherical nanostructures (Zn(H 2 O))(B 2 o 4 )·0.12(H 2 O): 0.05Tb 3+ Luminescent material.

Embodiment 2

[0028] With 0.7430g (2.5mmol) zinc nitrate hexahydrate, 2.1760g (8.25mmol) ammonium tetraborate tetrahydrate, 5mLSiO 2 Suspension (containing 0.00416mol SiO 2 ), 0.0596g (0.132mmol) Tb (NO 3 ) 3 Add 30mL of deionized water, mix evenly, transfer the obtained mixture to a stainless steel autoclave lined with polytetrafluoroethylene, react at 150°C for 12 hours under airtight conditions, filter the reaction product with hot water at 60-80°C, Washed with ethanol for 3 times, dried in an oven at 60°C for 24 hours to obtain hollow flower spherical nanostructures (Zn(H 2 O))(B 2 o 4 )·0.12(H 2 O): 0.05Tb 3+ Luminescent material (see Figure 8 ), its luminous intensity at wavelengths of 468nm, 493nm, 544nm, and 584nm are 3125au, 4596au, 365au, 88au respectively.

Embodiment 3

[0030] 0.7430g (2.5mmol) zinc nitrate hexahydrate, 0.6569g (8.25mmol) anhydrous lithium borate, 5mL SiO 2 Suspension (containing 0.00416mol SiO 2 ), 0.0596g (0.132mmol) Tb (NO 3 ) 3 Add 30 mL of deionized water, mix well, transfer the resulting mixture into a polytetrafluoroethylene-lined stainless steel autoclave, and react under airtight conditions at 180°C for 12 hours, filter the reaction product with hot water at 60-80°C, Washed with ethanol for 3 times, dried in an oven at 60°C for 24 hours to obtain hollow flower spherical nanostructures (Zn(H 2 O))(B 2 o 4 )·0.12(H 2 O): 0.05Tb 3+ Luminescent material (see Figure 9 ), its luminous intensity at wavelengths of 468nm, 493nm, 544nm, and 584nm is 646au, 422au, 384au, and 76au, respectively.

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Abstract

The invention discloses a method for preparing a hollow flower spherical nanostructure luminescent material. In the method, zinc nitrate or zinc oxide is used as a zinc source, and ammonium tetraborate tetrahydrate, ammonium tetraborate octahydrate or anhydrous lithium borate are used as a boron source. SiO 2 The suspension was used as a template, and the hollow flower spherical nanostructure (Zn(H 2 O))(B 2 o 4 )·0.12(H 2 O):Tb 3+ Luminescent material. The method of the invention is simple, the reaction conditions are mild, and the raw materials are cheap and easy to obtain, and the prepared hollow flower spherical nanostructure (Zn(H 2 O))(B 2 o 4 )·0.12(H 2 O):Tb 3+ The luminescent material has good dispersion, uniform shape, high luminous intensity and color purity, and has potential application prospects in different fields such as display imaging, light source, and medicine.

Description

technical field [0001] The invention belongs to the technical field of luminescent materials, in particular to a hollow flower spherical nanostructure (Zn(H 2 O))(B 2 o 4 )·0.12(H 2 O):Tb 3+ Preparation method of luminescent material. Background technique [0002] Since borate-based luminescent materials have the characteristics of simple synthesis process, stable chemical properties, good color rendering, and high luminous efficiency compared with silicate, aluminate and phosphate-based luminescent materials, a lot of research has been done on this in recent years. Some progress has been made in the study of its luminous properties and luminescent mechanism, and it has been widely used in different fields such as display imaging, light source, optoelectronics, and medicine. Common borate substrates mainly include: rare earth metal borates, alkaline earth metal borates, rare earth and alkaline earth metal composite borates, and binary rare earth metal borate substrates....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K11/63B82Y30/00B82Y40/00
CPCB82Y30/00B82Y40/00C09K11/7712
Inventor 刘志宏连文丽
Owner SHAANXI NORMAL UNIV