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A kind of indenofluorene compound-graphene OLED photoelectric display material and preparation method

A photoelectric display and graphene technology, applied in the direction of circuits, electrical components, electrical solid devices, etc., can solve problems such as poor film formation of suspension coating, device failure, film splitting, etc., to achieve clean production process, reduce internal resistance, reduce The effect of production difficulty

Inactive Publication Date: 2018-07-31
贵州乐洲科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of the current device preparation process using indenofluorene compounds, the film-forming property of suspension coating is poor, which leads to easy film splitting during the use of the device, the formation of leakage paths, and device failure

Method used

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  • A kind of indenofluorene compound-graphene OLED photoelectric display material and preparation method
  • A kind of indenofluorene compound-graphene OLED photoelectric display material and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] (1) Crushing waste polystyrene and its derivatives containing benzene rings into a volume of 2cm 3 Mix the obtained waste particles with the alkaline solution sodium hydroxide solution according to the solid-to-liquid mass ratio of 1:5, heat the temperature of the solution to 70°C, keep the temperature for 1 hour, and remove the surface after washing with deionized water The oil stain obtained is dried at 60°C to obtain pretreated particles;

[0031] (2) Add the obtained pretreated particles into catalyst iron powder, the mass ratio of iron powder to pretreated particles is 0.01:10, control the working pressure parameter of the high-pressure homogenizer to 20 MPa, and use the high-pressure homogenizer to fully mix the pretreated particles and iron powder to obtain a mixture;

[0032] (3) Put the obtained mixture into an autoclave, fill it with inert gas, increase the pressure to 20MPa at a rate of 0.1MPa / s, and heat the mixture from room temperature to 1000°C at a fixe...

Embodiment 2

[0036] (1) Break waste polystyrene and its derivatives containing benzene rings into waste particles with a volume of 5 cubic centimeters, mix the obtained waste particles with potassium hydroxide aqueous solution at a solid-to-liquid mass ratio of 1:6, and heat the solution The temperature is 80°C, and the heat preservation treatment time is 1.2 hours. After washing with deionized water to remove the oil on the surface, dry the obtained solid at 66°C to obtain pretreated particles;

[0037] (2) Add the obtained pretreated particles into catalyst nickel powder, the mass ratio of nickel powder to pretreated particles is 0.04:10, control the working pressure parameter of the high-pressure homogenizer to 30MP, and use the high-pressure homogenizer to fully mix the pretreated particles and the catalyst get the mixture;

[0038] (3) Put the obtained mixture into an autoclave, fill it with helium, increase the pressure to 30MPa at a rate of 0.3MPa / s, and heat the mixture from room t...

Embodiment 3

[0042] (1) Crush waste polystyrene and its derivatives containing benzene rings into waste particles with a volume of 8 cubic centimeters, mix the obtained waste particles with an alkaline solution at a solid-liquid mass ratio of 1:8, and heat the solution to a temperature of 80 ℃, heat preservation treatment time is 2 hours, after washing with deionized water to remove the oil on the surface, dry the obtained solid at 75 ℃ to obtain pretreated particles;

[0043] (2) Add the obtained pretreated particles to the catalyst nickel nitrate, the mass ratio of nickel nitrate to pretreated particles is 0.05:10, control the working pressure parameter of the high pressure homogenizer to 50MPa, and use the high pressure homogenizer to fully mix the pretreated particles and the catalyst get the mixture;

[0044] (3) Put the obtained mixture into an autoclave, fill it with nitrogen, increase the pressure to 35MPa at a rate of 0.7MPa / s, and heat the mixture from room temperature to 700°C a...

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Abstract

The invention provides an indenofluorene compound-graphene OLED photoelectric display material and a preparation method thereof. Graphene is obtained by carbonizing and graphitizing waste polystyrene containing benzene rings and its derivatives, and combining indene and fluorene in the Graphene is assembled, and the indenofluorene compound is assembled with the layer interface and ring boundary of graphene to form an indenofluorene compound-graphene OLED photoelectric display material. The method provided by the present invention overcomes the technical defects of poor film formation and short service life in the process of using indenofluorene compounds in the preparation of devices in the prior art, realizes the improvement of the glass transition temperature of indenofluorene compounds, and improves their dissolution The technical effect of high temperature resistance and uniform film formation, the prepared material has the characteristics of high brightness and long service life.

Description

technical field [0001] The invention relates to the field of organic photoelectric materials, in particular to an indenofluorene compound-graphene OLED photoelectric display material and a preparation method. Background technique [0002] Organic Light Emitting Diode (OLED) is a display technology developed and patented by Kodak that uses organic polymeric materials as the semiconductor material in light emitting diodes. Polymeric materials can be natural or synthetic, and can be large or small in size. OLED display technology is widely used in mobile phones, digital cameras, DVD players, personal digital assistants, notebook computers, car audio and televisions and other fields. OLED has the characteristics of energy saving, fast response, stable color, strong environmental adaptability, no radiation, long life, light weight and thin thickness. Due to the rapid development of optoelectronic communication and multimedia fields in recent years, organic optoelectronic materi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L51/54H01L51/56
CPCH10K85/00H10K71/00
Inventor 陈庆曾军堂王镭迪
Owner 贵州乐洲科技有限公司
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