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Blue fluorescence N,N-bis(4-cyanophenyl)glycine zinc complex and preparation method thereof

A zinc aminoacetate, cyanophenyl technology, applied in the direction of zinc organic compounds, organic chemical methods, chemical instruments and methods, etc., can solve the problems of restricting the large-scale application of rare earths, difficulty in rare earth mining, serious environmental pollution, etc. The effect of high yield, long service life and simple preparation process

Inactive Publication Date: 2015-05-20
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, rare earths are difficult to mine, serious environmental pollution, and expensive, which limit the large-scale application of rare earths in materials. Therefore, the development of transition metal complex luminescent materials with excellent performance is of great importance to the sustainable development of society. significance and economic value

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  • Blue fluorescence N,N-bis(4-cyanophenyl)glycine zinc complex and preparation method thereof
  • Blue fluorescence N,N-bis(4-cyanophenyl)glycine zinc complex and preparation method thereof
  • Blue fluorescence N,N-bis(4-cyanophenyl)glycine zinc complex and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0024] N,N-bis(4-cyanophenyl)aminoacetic acid (0.05 mmol, 14.0 mg), 4,4'-bispyridylbiphenyl ligand (0.05 mmol, 15.4 mg) and zinc nitrate (0.15 mmol, 28.4mg) was dissolved in water (8 mL) and stirred for 5 minutes, then sealed in a 25mL hydrothermal reaction kettle. The reaction mixture was then heated to 80°C at 10°C per hour, maintained at this temperature for 3 days, and then cooled to room temperature to obtain a colorless blocky crystal. The single crystal was separated, washed and dried in turn to obtain the target Product, about 75% yield.

[0025] N,N-bis(4-cyanophenyl)aminoacetic acid zinc complex structure determination of the present embodiment:

[0026] (1) Determination of the crystal structure of the complex

[0027] Under the microscope, single crystals of appropriate size are selected for X-ray diffraction experiments at room temperature. On the Xcalibur, Eos, Gemini diffractometer, the diffraction data were collected in the φ–ω mode using Mo–Ka rays (l = 0.7...

Embodiment 2

[0035] N,N-bis(4-cyanophenyl)aminoacetic acid (0.1 mmol, 27.7 mg), 4,4'-bispyridylbiphenyl ligand (0.05 mmol, 15.4 mg) and zinc nitrate (0.15 mmol, 28.4mg) was dissolved in water (10 mL) and stirred for 5 minutes, then sealed into a 25ml hydrothermal reaction kettle. The reaction mixture was then heated to 80°C at 10°C per hour, maintained at this temperature for 3 days, and then cooled to room temperature to obtain a colorless blocky crystal. The single crystal was separated, washed and dried in turn to obtain the target Product, about 70% yield.

Embodiment 3

[0037] N,N-bis(4-cyanophenyl)aminoacetic acid (0.05 mmol, 14.0 mg), 4,4'-bispyridylbiphenyl ligand (0.1 mmol, 30.8 mg) and zinc nitrate (0.15 mmol, 28.4mg) was dissolved in water (8 mL) and stirred for 5 minutes, then sealed into a 25ml hydrothermal reaction kettle. Then the reaction mixture was heated at 10 °C per hour to 100 °C, maintained at this temperature for 3 days, and then lowered to room temperature to obtain a colorless block crystal, which was separated, washed and dried successively to obtain The target product, the yield is about 65%.

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Abstract

The invention discloses a blue fluorescence N,N-bis(4-cyanophenyl)glycine zinc complex and a preparation method thereof. The chemical formula of the complex is (Zn(L)2(BYBP) )n, wherein L is a N,N-bis(4-cyanophenyl)glycine anion ligand, bpe is 4,4'-bispyridyl diphenyl. A synthetic method of the complex comprises the following steps: dissolving the N,N-bis(4-cyanophenyl)glycine anion ligand, 4,4'-bispyridyl diphenyl and metal zinc salt in water under a hydrothermal condition to prepare a solution, sealing the solution in a reaction kettle, heating the solution to 80-120 DEG C at the rate of 10DEG C / h, performing heat preservation for 3 days, performing natural cooling to room temperature to obtain pale yellow bulk crystals, separating the pale yellow bulk crystals, and then performing washing and drying to obtain the blue fluorescence complex. The complex has the advantages of high stability, simple preparation method, high yield and the like, and has potential application as a novel luminescent material in the field of LED luminescent materials.

Description

technical field [0001] The invention belongs to the technical field of luminescent material preparation, and in particular relates to a blue fluorescent N,N-bis(4-cyanophenyl)aminoacetic acid zinc complex and a preparation method thereof. Background technique [0002] Luminescent materials are widely used in all walks of life in society. Scholars at home and abroad are constantly exploring new types of luminescent materials. Rare earth luminescent complexes have narrow emission spectrum bands, high color purity, strong light absorption ability, and long fluorescence lifetime. , stable physical and chemical properties and many other advantages, has been the focus of people's research. However, rare earths are difficult to mine, serious environmental pollution, and expensive, which limit the large-scale application of rare earths in materials. Therefore, the development of transition metal complex luminescent materials with excellent performance is of great importance to the s...

Claims

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Application Information

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IPC IPC(8): C07F3/06C09K11/06
CPCC07B2200/13C07F3/06C09K11/06C09K2211/188
Inventor 杨清香陈志军李浩王晓杰李银萍赵倩倩
Owner ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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