Organic compound taking fluorene as core as well as preparation method and application thereof

A technology of organic compounds and compounds, applied in organic chemistry, semiconductor/solid-state device manufacturing, electrical components, etc., can solve very different problems

CN111377848AInactive Publication Date: 2020-07-07JIANGSU SUNERA TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2020-07-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to an organic compound taking fluorene as a core as well as a preparation method and application thereof, belongs to the technical field of semiconductors, and provides a compound of which the structure is as shown in a general formula (1). The invention also discloses a preparation method and application of the compound. The compound provided by the invention has relativelystrong hole transport capability, and the hole injection and transport performance is improved under a proper HOMO energy level; under the proper LUMO energy level, the electron blocking effect is achieved, and the recombination efficiency of excitons in the light-emitting layer is improved; when the material is used as a light-emitting functional layer material of an OLED light-emitting device, the exciton utilization rate and the radiation efficiency can be effectively improved by matching with the branched chains in the range of the invention.
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Description

technical field

[0001] The invention relates to the technical field of semiconductors, in particular to an organic compound with fluorene as the core, a preparation method and application thereof. Background technique

[0002] Organic electroluminescent (OLED: Organic Light Emission Diodes) device technology can be used to manufacture new display products and also can be used to make new lighting products, which is expected to replace the existing liquid crystal display and fluorescent lighting, and has a wide application prospect. The OLED light-emitting device is like a sandwich structure, including electrode material film layers, and organic functional materials sandwiched between different electrode film layers. Various functional materials are superimposed on each other according to the application to form an OLED light-emitting device. As a current device, when a voltage is applied to the electrodes at both ends of the OLED light-emitting device, and the positive and n...

Examples

Embodiment 1

[0064] Embodiment 1: the synthesis of compound 1:

[0065]

[0066] In a 250ml three-neck flask, under the protection of nitrogen, add 0.01mol raw material A1, 0.012mol raw material B1, 150ml toluene and stir to mix, then add 1×10 -4 molPd (pph 3 ) 4 , heated to 105 ° C, reflux reaction for 24 hours, sampling point plate, showing no bromide remaining, the reaction is complete; naturally cooled to room temperature, filtered, the filtrate was subjected to vacuum rotary evaporation (-0.09MPa, 85 ° C), passed through neutral silica gel column, the target product was obtained with a HPLC purity of 99.33% and a yield of 71.9%. Elemental analysis structure (molecular formula C 49 h 31 NO): Theoretical: C, 90.57; H, 4.81; N, 2.16; 0, 2.46; Tested: C, 90.56; H, 4.80; N, 2.17; HPLC-MS: The molecular weight of the material is 649.79, and the measured molecular weight is 649.87.

[0067] The following compounds were prepared in the same manner as in Example 1:

[0068] Table 1 ...