Long-afterglow nanomaterial based on ion doping as well as preparation method and application of long-afterglow nanomaterial

A nanomaterial and ion doping technology, which is applied in the field of long afterglow nanomaterial preparation, can solve the problems of limited application of long afterglow materials, limited tissue penetration ability, and biological tissue photodamage, etc., and is suitable for surface modification and has good afterglow properties. , the novel effect of the method

Inactive Publication Date: 2016-07-13
WUHAN UNIV
View PDF2 Cites 29 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the small proportion of ultraviolet rays in sunlight, traditional long-lasting materials cannot be excited by sunlight, while excitation light sources such as ultraviolet rays and X-rays consume a lot of energy and have great safety hazards, thus limiting long-lasting materials. Applications in Lighting
In addition, ultraviolet rays, X-rays and γ-rays not only cause serious photodamage to biological ti...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Long-afterglow nanomaterial based on ion doping as well as preparation method and application of long-afterglow nanomaterial
  • Long-afterglow nanomaterial based on ion doping as well as preparation method and application of long-afterglow nanomaterial
  • Long-afterglow nanomaterial based on ion doping as well as preparation method and application of long-afterglow nanomaterial

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] (1) Prepare the solution

[0031] The gallium nitrate solution was prepared by the following method: accurately weigh 4.68g of gallium oxide into a 100mL three-neck flask with an analytical balance, accurately add 70mL of deionized water with a pipette, add 20mL of concentrated nitric acid, and reflux in an oil bath at 60°C for 16h After cooling to room temperature naturally, add deionized water to make the volume to 100mL.

[0032] The sodium germanate solution was prepared by the following method: accurately weigh 16g of sodium hydroxide with an analytical balance and dissolve it in 50mL of deionized water for later use; then accurately weigh 5.21g of germanium oxide in a 10mL three-necked flask, and add 50mL of sodium hydroxide solution (8mol / L), heated to 60° C. in an oil bath, stirred and refluxed for 10 h, then naturally cooled to room temperature, and added deionized water to make the volume 100 mL.

[0033] Zinc nitrate solution: accurately weigh 29.75 g of an...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses an afterglow nanomaterial and a preparation method of a long-afterglow nanomaterial with sizes and spectrum adjusted on basis of ion doping. An expression formula of the nanomaterial is Zn(1+x)Ga(2-2x)GexO4:0.75%Cr, wherein x is larger than or equal to 0 and smaller than or equal to 0.5, and the particle size is 7 nm-80 nm. According to the preparation method, a zinc nitrate solution, a gallium nitrate solution, a sodium germinate solution and a chromium nitrate solution in specific proportions are mixed together, ammonia water is added rapidly while the mixture is stirred, and the pH of the mixed solution is adjusted to 10; then, the mixed solution is transferred to a high-temperature hydrothermal kettle and reacts at the temperature of 120 DEG C, and the afterglow nanomaterial is obtained. The method is simple and easy to implement, severe experiment conditions and complicated large instruments are not required, synthesized nanoparticles are uniform in sizes and have a good water-phase dispersion property and high afterglow strength, the afterglow time can reach 10 h, and accordingly, the synthesized nanoparticles are suitable for improving the physical and chemical properties of the long-afterglow nanomaterial.

Description

technical field [0001] The invention relates to a long afterglow nano material and a preparation method of the long afterglow nano material based on ion doping for size and spectrum control, belonging to the field of luminescent materials. Background technique [0002] Long afterglow refers to the optical phenomenon that the luminescence can still be maintained for several seconds to several hours after the excitation light source is removed. Long afterglow materials can store the energy of the excitation light, and slowly release the stored energy in the form of radiation after the excitation light source is removed. Compared with traditional fluorescent materials, long afterglow materials have ultra-long luminous lifetime, good photostability and chemical stability. Due to their high luminous intensity and adjustable color, long-lasting materials are widely used in display, lighting, and bioimaging. For example, long afterglow materials are widely used in fire emergency ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C09K11/66F21V9/16A61K49/00
CPCC09K11/68A61K49/0013F21V9/30
Inventor 袁荃王杰马覃勤
Owner WUHAN UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap