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A kind of photoelectric material containing n-p=o(s) resonance structure, preparation method and application

A technology of optoelectronic materials and resonant structures, applied in the directions of luminescent materials, chemical instruments and methods, circuits, etc., can solve the problems of deviating from the original intention of the design, other performance degradation, etc., to achieve favorable energy transfer, good thermal stability, and simple operation steps. Effect

Active Publication Date: 2022-04-26
NANJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, the molecular design methods for organic optoelectronic functional materials are mainly static molecular optoelectronic performance regulation. However, due to the existence of the essential relationship between the material structure and performance, simply using the change of the molecular structure of the material can improve a certain optoelectronic performance index, while other properties often It will also decrease accordingly, which also deviates from the original design intention of improving the comprehensive performance of materials

Method used

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  • A kind of photoelectric material containing n-p=o(s) resonance structure, preparation method and application
  • A kind of photoelectric material containing n-p=o(s) resonance structure, preparation method and application
  • A kind of photoelectric material containing n-p=o(s) resonance structure, preparation method and application

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Effect test

Embodiment 1

[0041] Embodiment 1: Synthesis of photoelectric functional material DECzPO

[0042]S1: Weigh the drug, put carbazole (1.0 g) into a 50 mL double-necked round-bottom flask, add a stirring magnet, use a double-row tube to evacuate, repeatedly blow in argon gas 3 times, and finally fill the balloon. Set up the apparatus so that it is under argon protection. The flask was cooled in an ice bath for 10 min, and the magnetic stirrer was turned on, and 25 mL of freshly distilled tetrahydrofuran (THF) solvent was slowly added dropwise with a syringe. Pour into the reactor, oscillate and shake well, and the medicine is fully dissolved. Add dry ice around the bottom of the double-necked round-bottom flask to keep the reaction system at -78°C, slowly drop 5.0 mL of n-butyllithium reagent into the above-mentioned vacuum-sealed flask and react for 1 hour, the light yellow will turn into grape red, and the reaction system will be obtained. a.

[0043] S2: At -78°C, use a syringe to quickl...

Embodiment 2

[0049] Embodiment 2: Synthesis of photoelectric functional material DECzPS

[0050] S1: Weigh the drug, put carbazole (1.0 g) into a 50 mL double-necked round-bottom flask, add a stirring magnet, use a double-row tube to evacuate, repeatedly blow in argon gas 3 times, and finally fill the balloon. Set up the apparatus so that it is under argon protection. The flask was cooled in an ice bath for 10 min, and the magnetic stirrer was turned on, and 25 mL of freshly distilled tetrahydrofuran (THF) solvent was slowly added dropwise with a syringe. Pour into the reactor, oscillate and shake well, and the medicine is fully dissolved. Add dry ice around the bottom of the double-necked round-bottom flask to keep the reaction system at -78°C, slowly drop 5.0 mL of n-butyllithium reagent into the above-mentioned vacuum-sealed flask and react for 1 hour, the light yellow will turn into grape red, and the reaction system will be obtained. a.

[0051] S2: At -78°C, use a syringe to quick...

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Abstract

The invention provides an organic photoelectric material based on N-P=O(S) synergistic resonance structure, the structure of which is: . Wherein, X is an oxygen or sulfur atom, and Ar is an aryl group and its derivatives. The preparation method of the organic photoelectric material provided by the invention is easy to operate. The present invention improves the solubility of the material by introducing the design of the alkyl chain structure, constructs the aryl phosphorus oxygen / sulfur with electron-withdrawing ability and the amine donor structure with electron-donating ability, and utilizes N-P=O / N-P=S The resonance structure enables the material to have dynamic self-adjustment ability. Through the design of the resonance structure, the excited state structure of the material can be effectively regulated, the photoelectric properties of the material can be adjusted and the comprehensive performance can be improved, and a dynamic self-adjusting organic photoelectric material with excellent performance can be obtained.

Description

technical field [0001] The invention belongs to the technical field of organic photoelectric materials, and specifically relates to an organic photoelectric material containing an N-P=O(S) synergistic resonance structure, a preparation method and an application. Background technique [0002] The phenomenon of electroluminescence, also called electroluminescence, refers to the physical process in which a material is excited to absorb part of the electric energy under the action of an electric field of a certain intensity, and converts this part of energy into light energy to achieve light emission. This physical phenomenon is mainly used in information display technology, and organic light-emitting diodes (Organic Lighting-emitting Diodes, OLED) are typical examples of displays based on electroluminescence. Compared with traditional LEDs, display devices made of OLEDs are light and thin, low production cost, low energy consumption, low driving voltage, large visual range, hig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07F9/572C09K11/06H01L51/50H01L51/54
CPCC07F9/5728C09K11/06C09K2211/1029C09K2211/1022H10K85/6572H10K50/11
Inventor 陶冶项渊陈润锋李欢欢
Owner NANJING UNIV OF POSTS & TELECOMM
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