Preparation method of organic optoelectronic device cathode interface layer based on conjugated polyelectrolyte and application thereof

A technology of conjugated polyelectrolyte and cathode interface layer, which is applied in the fields of electrical solid device, semiconductor/solid state device manufacturing, electrical components, etc., can solve the problems of low efficiency of organic solar cell devices, unsuitable cathode interface layer, etc. The assembly process, experimental conditions are easy to control, and the effect of simple operation

Active Publication Date: 2015-08-05
SOUTH CHINA UNIV OF TECH
View PDF7 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the efficiency of organic solar cell devices based on this sulfonate self-assembled cathode interface layer is low, mainly because the sulfonate group in polystyrene sodium sulfonate has a strong P-type doping ability for

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Preparation method of organic optoelectronic device cathode interface layer based on conjugated polyelectrolyte and application thereof
  • Preparation method of organic optoelectronic device cathode interface layer based on conjugated polyelectrolyte and application thereof
  • Preparation method of organic optoelectronic device cathode interface layer based on conjugated polyelectrolyte and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The preparation process of the cathode interface layer of the organic photoelectric device based on the conjugated polyelectrolyte in this embodiment is as follows:

[0038] Synthesis of cationic conjugated polyelectrolyte PFNBr: 0.5 mmol 2,7-dibromo-9,9-bis(3'-(N,N-dimethylamino)propyl)fluorene, 0.5 mmol 2,7-bis(4, 4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-dioctylfluorene, 10mg catalyst Pd(PPh 3 ) 4 , three drops of methyl trioctyl ammonium chloride was added to 3mL of toluene and 2mL of 2mol / L Na 2 CO 3 in the mixed solution. The mixture was refluxed for 3 days under the protection of argon. After the reaction dropped to room temperature, the reaction liquid was settled with 200 mL of methanol, and the obtained precipitate was filtered with acetone for 24 hours to remove the monomer and the catalyst. Then 100 mg of the product was dissolved in 40 mL of tetrahydrofuran, 2 g of bromoethane and 10 mL of DMSO were added, and the reaction was carried out at 50° C...

Embodiment 2

[0051] The preparation process of the cathode interface layer of the organic photoelectric device based on the conjugated polyelectrolyte in this embodiment is as follows:

[0052] Synthesis of cationic conjugated polyelectrolyte PFNI: 0.5 mmol 2,7-dibromo-9,9-bis(3'-(N,N-dimethylamino)propyl)fluorene, 0.5 mmol 2,7-bis(4, 4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9-dioctylfluorene, 10mg catalyst Pd(PPh 3 ) 4 , three drops of methyl trioctyl ammonium chloride was added to 3mL toluene and 2Ml 2mol / L Na 2 CO 3 in the mixed solution. The mixture was refluxed for 3 days under the protection of argon. After the reaction dropped to room temperature, the reaction liquid was settled with 200 mL of methanol, and the obtained precipitate was filtered with acetone for 24 hours to remove the monomer and the catalyst. Then 100 mg of the product was dissolved in 40 mL of tetrahydrofuran, 2.6 g of iodomethane and 10 mL of DMSO were added, and the reaction was carried out at 50° C. for...

Embodiment 3

[0063] The preparation process of the cathode interface layer of the organic photoelectric device based on the conjugated polyelectrolyte in this embodiment is as follows:

[0064] Synthesis of cationic conjugated polyelectrolyte PCNBr: 0.5mmol 9-(N,N-dimethyl-3'-amino-propyl)-2,7-dibromocarbazole, 0.5mmol 2,7-bis(4,4 ,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-N-9-heptadecylcarbazole, 12mg catalyst Pd(PPh 3 ) 4 , three drops of methyl trioctylammonium chloride were added to 10mL of toluene and 2mL of 2mol / L K 2 CO 3 in the mixed solution. The mixture was refluxed for 24 hours under the protection of argon. After the reaction dropped to room temperature, the reaction solution was settled with 250 mL of methanol, and the obtained precipitate was filtered with toluene solvent, then settled with methanol, washed with acetone, and dried. 100 mg of the product was dissolved in 40 mL of tetrahydrofuran, 2 g of bromoethane and 10 mL of DMSO were added, and the reaction was carried...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Surface roughnessaaaaaaaaaa
Surface roughnessaaaaaaaaaa
Login to view more

Abstract

The invention discloses a preparation method of an organic optoelectronic device cathode interface layer based on conjugated polyelectrolyte. The method comprises the following steps of (1) preparing an anionic conjugated polyelectrolyte and cationic conjugated polyelectrolyte solutions, (2) carrying out surface processing on a cleaned conductive substrate to obtain a charged substrate, (3) soaking the charged substrate in a conjugated polyelectrolyte solution with opposite charge electrical property, adsorbing a layer of conjugated polyelectrolyte at the charged substrate, and then carrying out washing and drying, (4) soaking the charged substrate in a conjugated polyelectrolyte solution with opposite electrical property of the conjugated polyelectrolyte solution in the step (3), adsorbing a layer of conjugated polyelectrolyte at the charged substrate, and then carrying out washing and drying, and (5) repeating the steps of (3) and (4) to obtain an organic optoelectronic device cathode interface layer. The invention also discloses the application of the organic optoelectronic device cathode interface layer. The preparation method of the invention has the advantages of simple operation and easy control of experimental condition, and the obtained cathode interface layer has efficient cathode interface modification capability.

Description

technical field [0001] The invention relates to the technical field of organic photoelectric materials, in particular to a method for preparing a cathode interface layer of an organic photoelectric device based on a conjugated polyelectrolyte. Background technique [0002] With the continuous development and progress of human society, the depletion of traditional fossil energy has increasingly become a hidden worry for countries all over the world. The development of renewable energy and clean energy; at the same time, the efficient use of existing energy has become a key research topic for various countries. In terms of new energy development, solar energy has become a hotspot of widespread concern due to its large reserves, wide distribution, and easy acquisition. Photovoltaic cells that convert solar energy into electrical energy have also become a technology that effectively utilizes solar energy. At present, photovoltaic cells that are relatively mature in research and...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): H01L51/48H01L51/56
CPCH10K71/00Y02E10/549Y02P70/50
Inventor 黄飞张凯曹镛
Owner SOUTH CHINA UNIV OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap