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High-polymer molecular hybrid luminescent materials containing 8-hydroxyquinoline metal complex and production thereof

A technology of metal complexes and hydroxyquinoline, which is applied in the direction of luminescent materials, chemical instruments and methods, can solve the problems of reduced lifetime, uneven dispersion, and reduced fluorescence lifetime of electroluminescent devices, and achieve excellent thermodynamic properties and uniform distribution , enhance the effect of efficiency and stability

Inactive Publication Date: 2006-08-16
GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, organic small molecule electroluminescent materials have crystallization phenomenon in the preparation and operation of devices, which reduces the life of electroluminescent devices. The cost is high; the preparation process of the conjugated polymer is complex, the solubility is poor, and the processing is difficult; the polymer doped with metal-organic complexes is prone to phase separation, uneven dispersion, material performance degradation, fluorescence intensity, and fluorescence lifetime; Metal complex light-emitting materials, the current synthesis methods mainly have shortcomings such as cross-linking, poor solubility, and poor film-forming properties, which cannot meet the requirements for the preparation of electroluminescent devices with excellent performance.

Method used

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  • High-polymer molecular hybrid luminescent materials containing 8-hydroxyquinoline metal complex and production thereof
  • High-polymer molecular hybrid luminescent materials containing 8-hydroxyquinoline metal complex and production thereof
  • High-polymer molecular hybrid luminescent materials containing 8-hydroxyquinoline metal complex and production thereof

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Experimental program
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Effect test

Embodiment 1

[0025] Take 6.01g (0.01mol) ethylenic monomer containing 8-hydroxyquinoline aluminum complex, 24.8g (0.1mol) γ-(methacryloxy)propyltrimethoxysilane, without any silane coupling Reagent, 5% dilute hydrochloric acid 4mL (0.005mol), 1.0g (0.007mol) hexamethylenetetramine, azobisisobutyronitrile (AIBN) 0.2g (0.0012mol), respectively added to 150mL (1.86mol) In tetrahydrofuran, the solution was stirred at 80°C for 6 hours, and then dried at room temperature for 10 days to obtain a yellow-green molecular hybrid luminescent material.

Embodiment 2

[0027]Take 0.495g (0.001mol) of ethylenic monomer containing 8-hydroxyquinoline zinc complex, 12.4g (0.05mol) γ-(methacryloxy)propyltrimethoxysilane, without any silane coupling Reagent, 3.0mL 0.3mol / L dilute acetic acid solution, 0.8g (0.0058mol) hexamethylenetetramine, azobisisobutyronitrile (AIBN) 0.1g (0.0006mol), respectively add to 100mL (1.24mol) In tetrahydrofuran, the solution was stirred at 100°C for 2 hours, and then dried at room temperature for 42 days to obtain a yellow molecular hybrid luminescent material.

Embodiment 3

[0029] Take 0.601g (0.001mol) of ethylenic monomer containing 8-hydroxyquinoline aluminum complex, 9.5g (0.001mol) γ-(methacryloxy)propyl tris(β-methoxyethoxy) Silane, add 7.55g (0.05mol) tetramethoxysilane, 2.0g (0.11mol) water, 0.2g (0.00032mol) dibutyltin dilaurate, 0.0036g (0.00002mol) benzyl ketal, and add them to In 60 mL (0.74 mol) of tetrahydrofuran, the solution was stirred at 30°C for 6 hours, irradiated with an ultraviolet lamp for 30 seconds, and then dried at room temperature for 10 days to obtain a yellow-green molecular hybrid luminescent material.

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Abstract

A high-polymer molecular hybrid luminescent material containing 8-hydroxy quinoline metal complex and its production are disclosed. In the general formula, R1 represents hydrogen atom or alkyl radical containing 1-10 carbon atom, R2 represents alkyl radical containing 1-10 carbon atom, m and n are unit number of two atactic copolymerization structural units (m:n=1:1-100), M expresses B, P, Si, Ti or Al. In formula (1), M1 is trivalent metal component, in formula (2), M2 is bivalent metal component, and in formula (3), M3 is univalent metal component. The process is carried out by adding vinyl monomer of 8-hydroxy quinoline metal complex, organic silicon vinyl monomer, catalyst and initiating agent into sol system, or inorganic phase hydrolytic condensation reacting while organic copolymerization reacting under the existence of coupling agent to obtain the final product. It is simple, has better stability, film forming performance and higher luminescent efficiency. It can be used for electro-luminescent planar display device.

Description

Technical field [0001] The invention relates to a luminescent material, in particular to a polymer molecular hybrid luminescent material containing 8-hydroxyquinoline metal complex and a preparation method thereof. Background technique [0002] With the advent of the information age, new, high-efficiency, and lightweight organic electroluminescent flat-panel displays (OLEDs) have attracted more and more attention and have become a research hotspot at home and abroad in recent years. For such large-area display, organic electroluminescent devices with significant characteristics such as active light emission, lightness, thinness, good contrast, no angle dependence, and low energy consumption, people have put forward almost harsh requirements for their luminescent materials. Among them, it has experienced several research stages such as inorganic electroluminescent powder, liquid crystal polymer, organic small molecule (including metal complexes and organic compounds) electrolumine...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K11/06
Inventor 梅群波吕满庚童碧海梁利岩
Owner GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI
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