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Polycyclic aromatic compound as well as preparation method and application thereof

A polycyclic aromatic compound technology, applied in the field of organic optoelectronic materials, can solve the problems of narrow half-peak width, color purity, efficiency roll-off, etc., achieve narrow half-peak width, improve device life and efficiency, and avoid fluorescence quenching. Effect

Pending Publication Date: 2021-07-20
JILIN OPTICAL & ELECTRONICS MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of fluorescent molecule has high radiative transition rate, narrow half-peak width, and high color purity, but its efficiency roll-off is serious

Method used

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  • Polycyclic aromatic compound as well as preparation method and application thereof
  • Polycyclic aromatic compound as well as preparation method and application thereof
  • Polycyclic aromatic compound as well as preparation method and application thereof

Examples

Experimental program
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Embodiment 1

[0084] The embodiment of the present invention provides a polycyclic aromatic compound (referred to as compound 1) and its synthesis process. Specifically, compound 1 is synthesized by referring to the following synthetic route:

[0085]

[0086] The specific operation is as follows: (1) under the protection of nitrogen, add the reactant 1-1 (120mmol) and sodium tert-butoxide (220mmol) into a 1000ml three-necked flask, and dissolve it with 500ml of dry toluene solution, stir at room temperature for 10min, and then Add reactant 1-2 (120mmol), tri-tert-butylphosphine (12mmol), tris(dibenzylideneacetone) dipalladium (2mmol) under the conditions, then slowly increase the reaction temperature to 90°C, continue the reaction for 12h, use The reaction was monitored by TLC. After the reaction was completed, it was cooled to room temperature, and an appropriate amount of distilled water was added under stirring conditions, and the organic phase was retained after liquid separation. A...

Embodiment 2

[0097] The embodiment of the present invention provides a polycyclic aromatic compound (referred to as compound 6) and its synthesis process. Specifically, compound 6 is obtained by referring to the following synthetic route:

[0098]

[0099] The specific operation is as follows: (1) under the protection of nitrogen, add the reactant 6-1 (120mmol) and sodium tert-butoxide (220mmol) into a 1000ml three-necked flask, and dissolve it with 500ml of dry toluene solution, stir at room temperature for 10min, and then Add reactant 6-2 (120mmol), tri-tert-butylphosphine (12mmol), tris(dibenzylideneacetone)dipalladium (2mmol) under the conditions, then slowly increase the reaction temperature to 90°C, continue the reaction for 12h, use TLC monitors the reaction, after the reaction is completed, cool to room temperature, add an appropriate amount of distilled water under stirring conditions, keep the organic phase after liquid separation, dry the filtrate with anhydrous magnesium sulf...

Embodiment 3

[0110] The embodiment of the present invention provides a polycyclic aromatic compound (referred to as compound 36) and its synthesis process. Specifically, compound 36 is obtained by referring to the following synthetic route:

[0111]

[0112] The specific operation is as follows: (1) Under the protection of nitrogen, add the reactant 36-1 (120mmol) and sodium tert-butoxide (220mmol) into a 1000ml three-necked flask, and dissolve it with 400ml of dry toluene solution. After stirring at room temperature for 10min, Reactant 36-2 (120 mmol), tri-tert-butylphosphine (12 mmol), and tris(dibenzylideneacetone) dipalladium (2 mmol) were added under the same conditions, and then the reaction temperature was slowly increased to 90° C., and the reaction was continued for 12 h. The reaction was monitored by TLC. After the reaction was completed, it was cooled to room temperature, and an appropriate amount of distilled water was added under stirring conditions, and the organic phase wa...

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PUM

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Abstract

The invention discloses a polycyclic aromatic compound. The structural general formula of the polycyclic aromatic compound is shown as a chemical formula I or a chemical formula II. The invention also discloses a preparation method of the polycyclic aromatic compound. The invention further discloses an organic light-emitting device which comprises a first electrode, a second electrode and at least one light-emitting layer arranged between the first electrode and the second electrode, and at least one layer comprises the light-emitting material, and the luminescent material comprises a fluorescent host material and the polycyclic aromatic compound.

Description

technical field [0001] The invention relates to the field of organic photoelectric materials, in particular to a polycyclic aromatic compound, a preparation method thereof, and an organic light-emitting device using the compound. Background technique [0002] Organic light-emitting diodes (OLED: Organic Light Emission Diodes) are also known as organic electro-laser displays and organic light-emitting semiconductors. OLED display technology has significant advantages such as self-illumination, high brightness, fast response, wide viewing angle, wide color gamut, flexibility, ultra-thin, ultra-light, low driving voltage, low power consumption, and wide temperature. It is a fast-growing, New display technologies with rapid technology changes have been extensively studied. [0003] The core organic light-emitting material of OLED display technology is based on the combination of red light material, green light material and blue light material to achieve full color gamut. The d...

Claims

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Application Information

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IPC IPC(8): C07D495/16C07F5/02C07F7/08C09K11/06H01L51/54H01L51/50
CPCC07F5/027C07F7/0816C07D495/16C09K11/06C09K2211/1055C09K2211/1088C09K2211/1092C09K2211/1029C09K2211/107C09K2211/1096C09K2211/1044C09K2211/1022C09K2211/1033C09K2211/1037C09K2211/1011H10K85/636H10K85/633H10K85/615H10K85/654H10K85/6576H10K85/6574H10K85/6572H10K85/657H10K85/40H10K50/11Y02E10/549
Inventor 马晓宇韩文坤张宇张鹤黄悦张雪汪康
Owner JILIN OPTICAL & ELECTRONICS MATERIALS
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