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Fabrication method of solid electrolyte electrochromic flexible devices based on conductive polymers

A solid electrolyte and conductive polymer technology, applied in the fields of instruments, nonlinear optics, optics, etc., can solve the problem that there is no large-scale production of PEC materials and solid devices, the preparation technology of PEC materials is not mature enough, and there is no large-scale industrial application. and other problems, to achieve the effect of being beneficial to the protection of human eyes, outstanding power saving effect, and good processing performance.

Active Publication Date: 2018-10-30
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, conductive polymer electrochromic materials have not been widely industrialized in the fields of display technology, smart windows, and the automotive industry. There is even no large-scale production of PEC materials and solid devices in China.
The main reasons are as follows: first, the preparation technology of high-performance and low-cost PEC materials is not mature enough, and the basic theory is not perfect enough; second, the design and assembly of PEC material solid devices with excellent performance are still in the design and development stage , there are three main problems: (1) high-performance solid electrolyte, (2) high-performance electrode material, (3) rational design and assembly technology of solid-state devices

Method used

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  • Fabrication method of solid electrolyte electrochromic flexible devices based on conductive polymers
  • Fabrication method of solid electrolyte electrochromic flexible devices based on conductive polymers
  • Fabrication method of solid electrolyte electrochromic flexible devices based on conductive polymers

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Effect test

Embodiment 1

[0055] A method for preparing a solid electrolyte electrochromic flexible device based on a conductive polymer, comprising the following steps:

[0056] (1) Preparation of solid electrolyte: Add 1.75 g of polymer plasticizer PMMA and 5 g of polymer swelling agent PC into a round bottom flask with a hollow stopper or a reagent bottle with a lid, and heat and swell in an oven at 70 ° C for 12 h. Make good swelling of polymer transparent material in the polymer swelling agent, recorded as system A. The supporting electrolyte LiBF 4 Add 0.24g and 0.8g of doping electrolyte 1-butyl-3-methylimidazole trifluoromethanesulfonate and electrolytic solvent (acetonitrile 3g-dichloromethane 0.75g) into a round bottom flask, and place it in an 80KHz ultrasonic cell Sonicate for 5 hours until the supporting electrolyte and doping electrolyte are completely dissolved in the electrolytic solvent, which is recorded as system B. Pour System A and System B into the same round-bottomed flask wit...

Embodiment 2

[0064] (1) Preparation of solid electrolyte: Add 1.75 g of polymer plasticizer PMMA and 3 g of polymer swelling agent PC into a round bottom flask with a hollow stopper or a reagent bottle with a lid, and heat and swell in an oven at 70 ° C for 12 h. Make good swelling of polymer transparent material in the polymer swelling agent, recorded as system A. The supporting electrolyte LiBF 4 Add 0.14g and 0.5g of doping electrolyte 1-butyl-3-methylimidazole trifluoromethanesulfonate and electrolytic solvent (acetonitrile 3g-dichloromethane 0.75g) into a round bottom flask, and place it in an 80KHz ultrasonic cell Sonicate for 5 hours until the supporting electrolyte and doping electrolyte are completely dissolved in the electrolytic solvent, which is recorded as system B. Pour System A and System B into the same round-bottomed flask with a hollow stopper or a reagent bottle with a lid to mix, and then the mixture is ultrasonicated at 80KHz for 7 hours to make the mixture appear ge...

Embodiment 3

[0070] (1) Preparation of solid electrolyte: Add 1.75 g of polymer plasticizer PMMA and 3 g of polymer swelling agent PC into a round bottom flask with a hollow stopper or a reagent bottle with a lid, and heat and swell in an oven at 70 ° C for 12 h. Make good swelling of polymer transparent material in the polymer swelling agent, recorded as system A. The supporting electrolyte LiBF 4 Add 0.14g and 0.5g of doping electrolyte 1-butyl-3-methylimidazole trifluoromethanesulfonate and electrolytic solvent (acetonitrile 3g-dichloromethane 0.75g) into a round bottom flask, and place it in an 80KHz ultrasonic cell Sonicate for 5 hours until the supporting electrolyte and doping electrolyte are completely dissolved in the electrolytic solvent, which is recorded as system B. Pour System A and System B into the same round-bottomed flask with a hollow stopper or a reagent bottle with a lid to mix, and then the mixture is ultrasonicated at 80KHz for 7 hours to make the mixture appear ge...

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Abstract

The invention provides a solid electrolyte electrochromism flexible device preparation based on conductive polymer. The preparation method comprises steps of preparation of solid electrolyte, preparation of positive electrode material, preparation of negative electrode material and assembling of single-layered solid device. The solid electrolyte is self-designed by a laboratory, prepared in a simple way and has great environmental stability; the conductive polymer electrochromism material is advantaged by various structural types, wide color-changing ranges, high optical contrast ratio, great processing performance and fast response speed compared with inorganic and organic small molecules; the conductive polymer-based solid device thin film has electrochromic performance, thereby having wide application prospect in fields of displays, intelligent windows and electronic paper; the electrochromism material is advantaged by low driving voltage and color memory effect; and obvious electricity-saving effect can be achieved and passive luminescence is great for human eye protection.

Description

(1) Technical field [0001] The invention relates to a preparation method of an electrochromic device, in particular to a preparation method of a conductive polymer-based solid electrolyte electrochromic flexible device. (2) Background technology [0002] Electrochromism refers to the fact that under the action of an external electric field, due to the redox reaction or the injection or extraction process of charges (electrons or ions), the optical properties of materials (including transmittance, absorptivity and reflectivity, etc.) are within the range of visible light wavelengths. A reversible transformation occurs, and its macroscopic performance is that the color of the material has a reversible transformation with the action of an external electric field. Since Platt proposed the concept of electrochromism in the 1960s, electrochromic materials have attracted widespread attention. According to the structure of the material, it can be divided into inorganic electrochrom...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/15G02F1/155
CPCG02F1/15G02F1/155G02F2001/164
Inventor 张诚于朋飞吕晓静欧阳密吕耀康
Owner ZHEJIANG UNIV OF TECH
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