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Green-light-emitting o-pyridine enamine ligand mercury complex and preparation method thereof

A technology of pyridine monoimine and complexes, which is applied to mercury organic compounds, luminescent materials, chemical instruments and methods, etc., can solve problems such as complex synthesis process, and achieve monochromatic performance, high yield and strong stability. Effect

Inactive Publication Date: 2013-07-24
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the technical problem of the complex synthesis process of the existing organic green light-emitting materials, and to provide a green light-emitting ortho-pyridine monoimine ligand mercury complex and its preparation method

Method used

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  • Green-light-emitting o-pyridine enamine ligand mercury complex and preparation method thereof
  • Green-light-emitting o-pyridine enamine ligand mercury complex and preparation method thereof
  • Green-light-emitting o-pyridine enamine ligand mercury complex and preparation method thereof

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specific Embodiment approach 1

[0030] Specific embodiment 1: The green-emitting o-pyridine monoimine ligand mercury complex in this embodiment is [(2,6-diisopropylphenyl)-pyridine-2-methyleneamine]HgCl 2 , whose molecular formula is C 18 h 22 Cl 2 N 2 Hg, the structural formula is

[0031]

specific Embodiment approach 2

[0032] Specific embodiment 2: The green-emitting o-pyridine monoimine ligand mercury complex in this embodiment is [(2-methylphenyl)-pyridine-2-methyleneamine]HgCl 2 , whose molecular formula is C 13 h 12 Cl 2 N 2 Hg, the structural formula is

[0033]

specific Embodiment approach 3

[0034] Specific embodiment three: the preparation method of the green-emitting o-pyridine monoimine ligand mercury complex described in specific embodiment one is as follows:

[0035] 1. Under the condition of nitrogen protection, mix 25-35 mg of (2,6-diisopropylphenyl)-pyridine-2-methyleneamine and 25-40 mg of HgCl 2 Dissolve in a mixed organic solvent, heat to reflux, and stir for 2.5 hours to obtain a yellow reaction liquid;

[0036] 2. Filter the product of step 1 while it is hot, and then volatilize at room temperature for 3 to 10 days to obtain the green-emitting o-pyridine monoimine ligand mercury complex [(2,6-diisopropylphenyl)-pyridine- 2-Methyleneamine] HgCl 2 , whose molecular formula is C 18 h 22 Cl 2 N 2 Hg, the structural formula is

[0037]

[0038] The mixed organic solvent described in step 1 consists of CH 3 OH and CH 2 Cl 2 Composition according to the volume ratio of 1:5.

[0039] This embodiment is simple and easy to operate and has a high yi...

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Abstract

The invention discloses a green-light-emitting o-pyridine enamine ligand mercury complex and a preparation method thereof, which relate to a light-emitting material and a preparation method. The invention solves the technical problem that the existing synthesis process of organic green light-emitting materials is complicated. The green-light-emitting o-pyridine enamine ligand mercury complex refers to C18H22Cl2N2Hg and C13H12Cl2N2Hg; and the preparation method comprises the following steps of: 1, under the protection of nitrogen, dissolving 2, 6-diisopropylphenyl)-pyridine-2-methylene amine or (2-methyl phenyl)-pyridine-2-methylene amine and HgCl2 into a mixed organic solvent, carrying out heating reflux on the obtained product, and stirring the obtained product; and 2, carrying out hot filtering on the product obtained in the step 1, and then carrying out room-temperature evaporation on the obtained object so as to obtain the green-light-emitting o-pyridine enamine ligand mercury complex. The method disclosed by the invention is simple and easy to operate, and high in productivity, and the productivity is more than 50%. The green-light-emitting o-pyridine enamine ligand mercury complex and preparation method thereof disclosed by the invention belong to the field of green-light-emitting material preparation.

Description

technical field [0001] The invention relates to a luminescent material and a preparation method thereof. Background technique [0002] Metal-organic complexes play an important role in functional materials such as luminescence, magnetism, catalysis, and hydrogen storage due to their structural diversity and tunability. . Among them, metal complexes with strong fluorescent light-emitting ability have very important potential application value and can be developed as new light-emitting functional materials. To realize full-color display in organic electroluminescent devices (OLEDs), materials that emit red, green, and blue light are essential. Among them, 8-hydroxyquinoline aluminum is a typical green light-emitting material, which has been successfully assembled into OLED organic light-emitting devices. However, in recent years, research on high-performance green light devices has been achieved by optimizing the structure of the device or using high-performance host materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F3/14C09K11/06
Inventor 范瑞清董玉伟杨玉林曹文武
Owner HARBIN INST OF TECH
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