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A kind of red fluorescent inorganic organic hybrid material and preparation method thereof

A technology of red fluorescence and organic hybridization, which is applied in the field of fluorescent materials, can solve the problems of complex preparation methods, low color purity, and short lifespan, and achieve the effects of simple preparation process, high color purity, and long lifespan

Active Publication Date: 2021-04-30
BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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  • 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

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  • A kind of red fluorescent inorganic organic hybrid material and preparation method thereof
  • A kind of red fluorescent inorganic organic hybrid material and preparation method thereof
  • A kind of red fluorescent inorganic organic hybrid material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0024] A red fluorescent inorganic-organic hybrid material 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 DEF and ethanol mixed solution (the mixture of DEF and ethanol The volume ratio is 1:1), and after stirring for 10 minutes, put it in an oven at 90°C for 48 hours, and then cool it, so as to obtain a colorless block crystal, which is the red fluorescent inorganic-organic hybrid material Eu (FDA )(DEF) 2 (NO 3 ).

[0025] Specifically, the selected size is 0.26×0.25×0.24mm 3 The red fluorescent inorganic-organic hybrid material is analyzed for single crystal structure, the single crystal diffraction data is collected by Bruker-AXS SMART APEX2 CCD diffractometer, and the Mokα ray monochromated by graphite monochromator 3.1°≤θ≤27.5°, thus the following result is obtained: the fluorescent material belongs to the monoclinic crystal system, and the space group is all P2 1 / c, the cell para...

Embodiment 2

[0027] A red fluorescent inorganic-organic hybrid material 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 DEF and ethanol mixed solution (the mixture of DEF and ethanol The volume ratio is 1:1), and after stirring for 10 minutes, put it in an oven at 90°C for 48 hours, and then cool it, so as to obtain a colorless block crystal, which is the red fluorescent inorganic-organic hybrid material Eu (FDA )(DEF) 2 (NO 3 ).

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Abstract

The invention discloses a red fluorescent inorganic-organic hybrid material and a preparation method thereof. The material name is Eu(FDA)(DEF) 2 (NO 3 ), FDA is 2,5‑furandicarboxylic acid, and DEF is diethylformamide. Its preparation method is to mix 2,5-furandicarboxylic acid and europium nitrate, then add it to the mixed solution of DEF and ethanol, and react at 90°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 370nm. 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 technical field of fluorescent materials, in particular to a red fluorescent inorganic-organic hybrid 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] Aiming at the above-m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F5/00C09K11/06
CPCC07B2200/13C07F5/003C09K11/06C09K2211/182
Inventor 王浩王传奕刘贺郭文莉李树新伍一波商育伟杨丹
Owner BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY