PEDOT-PSS solution with high conductivity

A PEDOT-PSS, high-conductivity technology, applied in the field of high-conductivity PEDOT-PSS solutions, can solve problems such as processing difficulties, achieve antistatic performance, environmental protection, non-toxic, good film-forming properties, and excellent antistatic performance Effect

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

[0004] 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. Therefore, impro

Method used

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  • PEDOT-PSS solution with high conductivity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1 PEDOT-PSS solution and its preparation

[0016] At room temperature, weigh 710g of deionized water, 1g of sodium pentosan sulfate and 10g of PSS in a 1000ml reaction flask, and stir for 10 minutes to form a clear solution; then weigh 8g of 3,4-ethylenedioxythiophene ( EDOT) was added to the above clear solution, stirred and reacted for 20 minutes, and the reaction system became a milky white dispersion; weighed 0.045g of Fe 2 (SO 4 ) 3 and 19.27g (NH 4 ) 2 S 2 o 8 Add it to the above-mentioned 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-mentioned dark blue solution, stir and react for 20 hours, and finally use ion resin purification to obtain the target solution.

Embodiment 2

[0017] Embodiment 2 PEDOT-PSS solution and its preparation

[0018] At room temperature, weigh 710g of deionized water, 1g of pentosan sulfate sodium and 15g of PSS in a 1000ml reaction flask, and stir for 10 minutes to form a clear solution; then weigh 8g of 3,4-ethylenedioxythiophene ( EDOT) was added to the above clear solution, stirred and reacted for 30 minutes, and the reaction system became a milky white dispersion; weighed 0.045g of Fe 2 (SO 4 ) 3 and 19.27g (NH 4 ) 2 S 2 o 8 Add it 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 use ion resin to purify to obtain the target solution.

Embodiment 3

[0019] Embodiment 3 PEDOT-PSS solution and its preparation

[0020] At room temperature, weigh 700 g of deionized water, 1 g of sodium pentosan sulfate and 25 g of PSS in a 1000 ml reaction flask, 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 it to the above milky white dispersion, stir and react for 20 hours to form a dark blue solution; then weigh 30g of ethylene glycol and add it to the above dark blue solution, stir and react for 20 hours, and finally use ion resin to purify to obtain the target solution.

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Abstract

The invention mainly relates to a high-conductivity PEDOT-PSS solution which comprises PEDOT-PSS polymer doped with sodium xylan polysulfate, glycol and water. The PEDOT-PSS solution prepared in the invention has the advantages of high conductivity, good film-forming ability and transparency, excellent antistatic performance, environment friendliness, no toxicity and harm, etc.

Description

[0001] technical field [0002] The invention belongs to the field of conductive polymer functional materials, and in particular relates to a high-conductivity PEDOT-PSS solution. Background technique [0003] 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. [0004] 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 commercial applicat...

Claims

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Application Information

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IPC IPC(8): C08L65/00C08L25/18C08L5/00C08K5/053H01B3/20
Inventor 包信伟
Owner YANGZHOU SHUNPENG NEW MATERIAL TECH
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