Unlock instant, AI-driven research and patent intelligence for your innovation.

A kind of red fluorescent material and preparation method thereof

A technology of red fluorescence and incident light, which is applied in the field of fluorescent materials, can solve the problems of complex preparation methods, low color purity, and high cost, and achieve the effects of simple preparation process, high color purity, and long life

Active Publication Date: 2021-04-06
BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing fluorescent materials, especially the red fluorescent materials, have short lifespan and low color purity, and the preparation methods of the existing red luminescent materials are complicated and costly

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
  • A kind of red fluorescent material and preparation method thereof
  • A kind of red fluorescent material and preparation method thereof
  • A kind of red fluorescent material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of fluorescent material that emits red light is made by the following method: 0.156g of 2,5-furandicarboxylic acid and 0.453g of europium nitrate are mixed, then added to 40g of DMSO and ethanol mixed solution (the volume of DMSO and ethanol The ratio is 1:1), and after stirring for 10 minutes, put it in an oven at 120°C for 48 hours, and then cool it, so as to obtain a colorless block crystal, which is the red fluorescent material Eu 3 (FDA) 4 (DMSO) 2 (NO 3 )(H 2 O) 2 .

[0025] Specifically, the selected size is 0.26×0.25×0.23mm 3 The single crystal structure analysis of the fluorescent material was carried out, the single crystal diffraction data was collected by Bruker-AXS SMART APEX2CCD diffractometer, and the Mokα ray monochromated by graphite monochromator ( ), 1.7°≤θ≤25.2°, thus the following results are obtained: the fluorescent material belongs to the monoclinic crystal system, the space group is all C2 / c, and the unit cell parameters are approx...

Embodiment 2

[0027] A kind of fluorescent material that emits red light is made by the following method: 0.312g of 2,5-furandicarboxylic acid and 0.906g of europium nitrate are mixed, then added to 80g of DMSO and ethanol mixed solution (the volume of DMSO and ethanol The ratio is 1:1), and after stirring for 10 minutes, put it in an oven at 120°C for 48 hours, and then cool it, so as to obtain a colorless block crystal, which is the red fluorescent material Eu 3 (FDA) 4 (DMSO) 2 (NO 3 )(H 2 O) 2 .

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 a red fluorescent material and a preparation method thereof. The name of the fluorescent material is Eu 3 (FDA) 4 (DMSO) 2 (NO 3 )(H 2 O) 2 , the molecular formula of the fluorescent material is: C 28 h 24 NO 27 Eu 3 S 2 , the molecular weight is 1326.48, the FDA is 2,5‑furandicarboxylic acid, and DMSO is dimethyl sulfoxide. Its preparation method is to mix 2,5-furandicarboxylic acid and europium nitrate, then add it to the mixed solution of DMSO and ethanol, and react at 120°C after stirring to obtain colorless block crystals. The fluorescent material can emit red fluorescence with an intensity of 10000000a.u. under the irradiation of incident light with a wavelength of 380nm. The invention can synthesize the functional material with excellent red fluorescence performance, longer lifetime, higher color purity, simple preparation method, easy control of chemical components, good repeatability and high output.

Description

technical field [0001] The invention relates to the field of fluorescent materials, in particular to a red fluorescent material and a preparation method thereof. Background technique [0002] Modern fluorescent materials have become supporting materials in the fields of information display, lighting sources, optoelectronic devices, etc., and can be used to make luminescent inks, luminescent paints, luminescent plastics, luminescent printing pastes, organic pigments, optical brighteners, photooxidants, coatings, chemical and biochemical There are wider applications in areas such as analytics, solar collectors, anti-counterfeiting markers, drug tracers, and lasers. However, the existing fluorescent materials, especially the red fluorescent materials, have short lifetime and low color purity, and the preparation methods of the existing red fluorescent materials are complex and costly. Contents of the invention [0003] In order to solve the technical problems in the above-me...

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
Patent Type & Authority Patents(China)
IPC IPC(8): C07F5/00C09K11/06
CPCC07F5/003C09K11/06C09K2211/182
Inventor 王浩王传奕赵晨祺郭文莉李树新伍一波商育伟杨丹
Owner BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY