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Preparation method for PEDOT-PSS solution with high conductivity

A PEDOT-PSS, high-conductivity technology, applied in the field of preparation of PEDOT-PSS solution, can solve problems such as processing difficulties, and achieve the effects of simple preparation method, good transparency and good film-forming properties

Active Publication Date: 2012-10-17
YANGZHOU SHUNPENG NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, due to the insolubility and infusibility problems brought about by the long conjugated chain of PEDOT, it is difficult to process and handle, thus limiting its commercial application, so the processing performance of PEDOT is improved It has become an important and meaningful research in this field, and the preparation of doped PEDOT solution dispersion is a direct and important way to solve its processing problems

Method used

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  • Preparation method for PEDOT-PSS solution with high conductivity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1 PEDOT-PSS solution and its preparation

[0025] At room temperature, in a 1000 ml reaction flask, weigh 710 g of deionized water, 1 g of pentosan sulfate sodium and 10 g of PSS, and stir for 10 minutes to form a clear solution; then weigh 8 g of 3,4-ethylenedioxythiophene ( EDOT) was added to the above clear solution, stirred and reacted for 20 minutes, the reaction system became a milky white dispersion; 0.045g of Fe was weighed respectively 2 (SO 4 ) 3 and 19.27g (NH 4 ) 2 S 2 O 8 Add to the above milky white dispersion, stir and react for 20 hours to form a dark blue solution; then weigh 15.1 g of ethylene glycol and add it to the above dark blue solution, stir and react for 20 hours, and finally purify with an ion resin to obtain the target solution.

Embodiment 2

[0026] Example 2 PEDOT-PSS solution and its preparation

[0027] At room temperature, in a 1000 ml reaction flask, weigh 710 g of deionized water, 1 g of sodium pentosan sulfate and 15 g of PSS, and stir for 10 minutes to form a clear solution; then weigh 8 g of 3,4-ethylenedioxythiophene ( EDOT) was added to the above clear solution, stirred and reacted for 30 minutes, the reaction system became a milky white dispersion; 0.045g of Fe was weighed respectively 2 (SO 4 ) 3 and 19.27g (NH 4 ) 2 S 2 O 8 Add to the above milky white dispersion, stir and react for 25 hours to form a dark blue solution; then weigh 15.1 g of ethylene glycol and add it to the above dark blue solution, stir and react for 20 hours, and finally purify with an ion resin to obtain the target solution.

Embodiment 3

[0028] Example 3 PEDOT-PSS solution and its preparation

[0029] At room temperature, in a 1000 ml reaction flask, weigh 700 g of deionized water, 1 g of sodium pentosan sulfate and 25 g of PSS, and stir for 10 minutes to form a clear solution. Weigh 8g of 3,4-ethylenedioxythiophene (EDOT) and add it to the above clear solution, stir and react for 50 minutes, the reaction system becomes a milky white dispersion; then weigh 0.045g of Fe 2 (SO 4 ) 3 and 19.27g (NH 4 ) 2 S 2 O 8 Add to the above milky white dispersion, stir and react for 20 hours to form a dark blue solution; then weigh 30 g of ethylene glycol and add it to the above dark blue solution, stir and react for 20 hours, and finally purify with an ion resin to obtain the target solution.

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Abstract

The invention mainly relates to a preparation method for a high-conductivity PEDOT-PSS solution which comprises PEDOT-PSS polymer doped with sodium xylan polysulfate, glycol and water. The PEDOT-PSS solution prepared by using the preparation method has good film-forming ability and transparency, and the preparation method is simple, easy and environment friendly and is suitable for industrial production.

Description

technical field [0001] The invention belongs to the field of conductive polymer functional materials, and in particular relates to a preparation method of a high-conductivity PEDOT-PSS solution. Background technique [0002] Conductive polymer poly 3,4-ethylenedioxythiophene [Poly(3,4-ethylenedioxythiophene), PEDOT] is a polymer of 3,4-ethylenedioxythiophene (3,4-ethylenedioxythiophene, EDOT) monomer, Due to its simple molecular structure, small energy gap, high conductivity, good environmental stability and film transparency, it has attracted widespread attention and is widely used in solid electrolytic capacitors, organic thin film solar cell materials, antistatic coatings, OLED materials, Research on electrochromic materials, transparent electrode materials, printed circuit board coatings, etc. [0003] However, due to the insolubility and infusibility problems brought about by the long conjugated chain of PEDOT, it is difficult to process it, thus limiting its commercia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L25/18C08L65/00C08L5/00C08G61/12
Inventor 包信伟
Owner YANGZHOU SHUNPENG NEW MATERIAL TECH
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