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Water-soluble phenolic resin-dispersed pedot conductive polymer containing alkylsulfonic acid and its preparation method and application

A water-soluble phenolic resin, conductive polymer technology, used in semiconductor/solid-state device manufacturing, circuits, photovoltaic power generation, etc., to achieve the effects of high conductivity, reduced erosion, and easy operation and control

Active Publication Date: 2017-10-20
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention cites sulfonic acid containing an alkyl chain, directly reacts with the phenolic hydroxyl group of the phenolic resin, prepares a water-soluble phenolic resin, and applies it to the preparation of a water-soluble doped conductive polymer. It is used in organic optoelectronic devices, and there is no report

Method used

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  • Water-soluble phenolic resin-dispersed pedot conductive polymer containing alkylsulfonic acid and its preparation method and application
  • Water-soluble phenolic resin-dispersed pedot conductive polymer containing alkylsulfonic acid and its preparation method and application
  • Water-soluble phenolic resin-dispersed pedot conductive polymer containing alkylsulfonic acid and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Step 1: Preparation of alkylsulfonic acid water-soluble phenolic resin

[0048] Dissolve 10g of commercial phenolic resin in 20mL of absolute ethanol, add 3g of NaOH, adjust the pH of the mixed system to 14; add 1,4‐butane sultone dropwise, and react for 8 hours under normal pressure and 80°C; At the end, a brown-red viscous substance is obtained, which is filtered and washed repeatedly with absolute ethanol to remove unreacted 1,4-butane sultone to obtain a water-soluble phenolic resin containing butyl sulfonic acid.

[0049] Step 2: Preparation of poly(3,4‐ethylenedioxythiophene) / alkylsulfonic acid phenolic resin water-soluble polymer

[0050] Get 5g step one product and be dissolved in deionized water and be mixed with the water-soluble phenolic resin aqueous solution that mass concentration is 10.0% containing butyl sulfonic acid, join in 5g monomer 3,4‐ethylenedioxythiophene, at 1500 rpm Stir for 30 minutes at a stirring speed of 30 minutes, mix well; then add 5g ...

Embodiment 2

[0055] Step 1: Preparation of alkylsulfonic acid water-soluble phenolic resin

[0056] Dissolve 10g of commercial phenolic resin in 30mL of ethanol, add 4g of KOH, and adjust the pH to 14; add 1,3-propane sultone dropwise, and react for 9 hours under normal pressure and 85°C; the reaction is completed, and brown-red The viscous matter was filtered and washed repeatedly with absolute ethanol to remove unreacted 1,3-propane sultone to obtain a water-soluble phenolic resin containing propyl sulfonic acid.

[0057] Step 2: Preparation of poly(3,4‐ethylenedioxythiophene) / alkylsulfonic acid phenolic resin water-soluble polymer

[0058] Get 10g step one product to be dissolved in deionized water and be mixed with mass concentration and be 8.0% alkylsulfonic acid water-soluble phenolic resin aqueous solution, join in 15g monomer 3,4-ethylenedioxythiophene, at 2000 rev / min Stir at a stirring speed for 40 minutes, mix well; then add 15g of ammonium persulfate and dissolve in deionized ...

Embodiment 3

[0065] Step 1: Preparation of alkylsulfonic acid water-soluble phenolic resin

[0066]Dissolve 10g of p-iodophenol in 30mL of 1.5mol / L NaOH solution, slowly add 7g of 37% formaldehyde solution dropwise, react at 100°C for 10h, rotary steam and concentrate to obtain iodine-containing phenolic resin. Dissolve 10g of iodine-containing phenolic resin in 20mL of methanol, add 3g of NaOH, adjust the pH of the mixed system to 14; add 1,4-butane sultone dropwise, and react for 8 hours under normal pressure and 80°C; the reaction is completed, Obtain a brown-red sticky substance, filter, and repeatedly wash with absolute ethanol to remove unreacted 1,4-butane sultone to obtain a water-soluble phenolic resin containing butyl sulfonic acid.

[0067] Step 2: Preparation of poly(3,4‐ethylenedioxythiophene) / alkylsulfonic acid phenolic resin water-soluble polymer

[0068] Take 5g of the product in step 1 and dissolve it in deionized water to prepare an aqueous solution of alkylsulfonic acid...

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Abstract

The invention discloses a water-soluble phenolic resin-dispersed PEDOT conductive polymer containing alkylsulfonic acid, a preparation method and application thereof. The preparation method first prepares the water-soluble phenolic resin containing alkylsulfonic acid, then dissolves the water-soluble phenolic resin containing alkylsulfonic acid in deionized water, adds monomer 3,4-ethylenedioxythiophene, and stirs and mixes evenly; The aqueous solution prepared by dissolving the oxidizing agent in deionized water is added dropwise, and stirred at room temperature for reaction; after the reaction is completed, the inorganic salt is removed and purified. The alkylsulfonic acid water-soluble phenolic resin product of the present invention has excellent dispersion performance, and the water-soluble phenolic resin containing alkylsulfonic acid disperses the PEDOT conductive polymer as a hole transport material, and the energy conversion efficiency and commercialization of the prepared polymer solar cell Compared with the poly(3,4‐ethylenedioxythiophene) / polystyrene sulfonic acid, the efficiency is equivalent or better, and the industrialization prospects in the fields of organic electronics, antistatic coatings, and organic capacitors are good.

Description

technical field [0001] The invention relates to a conductive polymer, in particular to a water-soluble phenolic resin-dispersed PEDOT conductive polymer containing alkylsulfonic acid, its preparation method and its application in organic optoelectronic devices. Background technique [0002] Conductive polymer refers to a type of polymer material that has certain conductivity due to its conjugated structure after chemical synthesis or doping, also known as conductive polymer material. The conductivity of intrinsically conductive polymers is very low (10 ‐10 ~10 ‐5 S / cm), higher conductivity or charge mobility can be obtained after chemical modification optimization or doping. [0003] Poly(3,4-ethylenedioxythiophene): polystyrene sulfonic acid (PEDOT:PSS) has the advantages of high electrical conductivity, relatively good environmental stability, and high transparency of the film to visible light. It is used in photovoltaic cells, Electrochromic devices, electroluminescent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L61/14C08L65/00C08G61/12C08G8/32H01L51/46
CPCY02E10/549
Inventor 李远曾伟媚武颖
Owner SOUTH CHINA UNIV OF TECH
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