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Organic compound doped material as well as preparation method and application thereof

A technology of organic compounds and doping materials, applied in the field of organic light-emitting materials, can solve problems such as aggravation of phenomena, dopant concentration quenching, lack of interaction strength, etc., to achieve increased stability, excellent characteristics, and excellent electrochemical stability Effect

Pending Publication Date: 2021-07-09
JILIN OPTICAL & ELECTRONICS MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when a device is fabricated using such a planar dopant, the lack of electrons in the outermost shell of the boron atom increases the strength of the interaction with the adjacent dopant, leading to aggravated concentration quenching of the dopant. the result of

Method used

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  • Organic compound doped material as well as preparation method and application thereof
  • Organic compound doped material as well as preparation method and application thereof
  • Organic compound doped material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Embodiment 1: the preparation of compound B001:

[0050]

[0051] After 20 g of starting material B001-1 (41.49 mmol) was dissolved in tert-butylbenzene (300 mL), it was cooled to 0° C., and 8 mL of tert-butyllithium (tert-butyllithium) was added under a nitrogen atmosphere. ) solution (inPentane: in pentane) 82.99mmol), and stirred at 60°C for 1 hour, after which, the reaction was cooled to -20°C again, and 7.85mL of BBr was added 3 (82.99mmol), stirred at room temperature for 1 hour, the reactant was cooled to -20°C again, and 13.75mL of N,N-diisopropylethylamine (N,N-diisopropylethylamine) (82.99mmol) was added, and Stir at 60°C for 5 hours, TLC detection, the reaction is complete, the reaction solution is cooled to room temperature, ethyl acetate and water are added to extract the organic layer, dried over anhydrous sodium sulfate, the filtrate is spin-dried, and silica gel column chromatography (DCM / PE) Purified by using the method, and then recrystallized and ...

Embodiment 2

[0052] Embodiment 2: the preparation of compound B022:

[0053]

[0054] After 20 g of starting material B022-1 (31.04 mmol) was dissolved in tert-butylbenzene (300 mL), it was cooled to 0° C., and 6 mL of tert-butyllithium (tert-butyllithium) was added under a nitrogen atmosphere. ) solution (inPentane: in pentane) (62.08mmol) and stirred at 60°C for 1 hour, after which the reaction was cooled to -20°C again and 5.9mL of BBr 3 (62.08mmol), stirred at room temperature for 1 hour, the reactant was cooled to -20°C again, and 10.28mL of N,N-diisopropylethylamine (N,N-diisopropylethylamine) (62.08mmol) was added, and Stir at 60°C for 5 hours, TLC detection, the reaction is complete, the reaction solution is cooled to room temperature, ethyl acetate and water are added to extract the organic layer, dried over anhydrous sodium sulfate, the filtrate is spin-dried, and silica gel column chromatography (DCM / PE) Purified by using the method, and then purified by recrystallization wi...

Embodiment 3

[0055] Embodiment 3: the preparation of compound B048:

[0056]

[0057] After 20 g of starting material B048-1 (26.58 mmol) was dissolved in tert-butylbenzene (300 mL), it was cooled to 0° C., and 5.15 mL of tert-butyl lithium (tert- butyllithium) solution (inPentane: in pentane) (53.16mmol), and stirred at 60°C for 1 hour, after which, the reaction was cooled to -20°C again, and 5mL of BBr 3 (53.16mmol), stirred at room temperature for 1 hour, the reactant was cooled to -20°C again, and 8.8mL of N,N-diisopropylethylamine (N,N-diisopropylethylamine) (53.16mmol) was added, and Stirring at 60°C for 5 hours, TLC detection, the reaction was completed, the reaction solution was cooled to room temperature, ethyl acetate and water were added to extract the organic layer, dried over anhydrous sodium sulfate, the filtrate was spin-dried, and silica gel column chromatography (DCM / PE) Purified by using the method, and then purified by recrystallization with acetone solvent to obtain...

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Abstract

The invention discloses an organic compound doped material, the structural general formula of which is as shown in chemical formula 1: the organic compound doped material provided by the invention has a planar structure, can minimize the mutual attraction of pi (pi-pi) of molecules in the molecules, has almost similar energy levels of vibration modes of the molecules, and has narrow luminescent spectrum and half amplitude. When the compound is used as a dopant, it is possible to provide an organic compound capable of suppressing a concentration quenching phenomenon that may occur.

Description

technical field [0001] The present invention relates to the technical field of organic luminescent materials, and more specifically relates to an organic compound doped material, its preparation method and its application in the preparation of organic electroluminescent devices. Background technique [0002] Compared with other flat-panel display components such as the existing plasma display panel (PDP), liquid crystal display (LCD) and field emission display (FED), the organic electroluminescent device (OLED) has a simple structure and has various advantages in the manufacturing process , which has high brightness characteristics and excellent wide viewing angle, faster response speed, and has been extensively researched and developed and commercialized because of its low driving voltage, making it suitable for flat panel displays such as wall-mounted TVs or monitors Light source for backlighting, lighting, billboards, etc. [0003] The light-emitting principle of organic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F5/02C09K11/06H01L51/50H01L51/54
CPCC07F5/027C09K11/06C09K2211/1011C09K2211/104C09K2211/1088C09K2211/1092H10K85/615H10K85/322H10K85/6576H10K85/6574H10K50/12
Inventor 王辉陈剑锋李建行孙禹常胜牟杨马晓宇
Owner JILIN OPTICAL & ELECTRONICS MATERIALS
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