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Ion-conductive electrochemiluminescence hydrogel for light-emitting display and preparation method thereof

An ion-conducting and electrochemical technology, applied in chemical instruments and methods, organic chemistry, luminescent materials, etc., can solve problems such as inability to effectively fix the medium, easy diffusion and loss of the medium, affecting display performance, etc., and is conducive to mass production, The effect of low initiation voltage and low fabrication cost

Active Publication Date: 2021-02-26
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, simple physical doping cannot effectively fix the medium (electrochemiluminescence system and conductive ions), and the composite electrochemiluminescence hydrogel made in the use environment (such as aqueous phase), the doped medium is easy to diffuse and lose, It affects its display performance and increases the application cost

Method used

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  • Ion-conductive electrochemiluminescence hydrogel for light-emitting display and preparation method thereof
  • Ion-conductive electrochemiluminescence hydrogel for light-emitting display and preparation method thereof
  • Ion-conductive electrochemiluminescence hydrogel for light-emitting display and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] 1) Use a balance to weigh 0.1564g of AM, 0.02g of MBAA and 0.0362g of NaAA, dissolve the weighed solid powder (AM, MBAA, NaAA) in 500μL of deionized water in sequence, shake and mix at room temperature for 2 to 3 minutes to obtain Colorless clear solution.

[0042] 2) Weigh 0.0037g of Ru(bpy) with a balance 3 Cl 2 , 0.0072g of TPA and 0.0292g of NaCl, the weighed material (Ru(bpy) 3 Cl 2 , TPA, NaCl) were sequentially added to the colorless clear solution of the above 1) and shaken and mixed at room temperature for 2 to 3 minutes to obtain a red transparent solution.

[0043] 3) Add 0.0009 g of APS and 0.0078 g of TEMED to the red transparent solution in 2), shake and mix at room temperature for 2 to 3 minutes to fully dissolve and add water to a total volume of 1 mL to obtain the final mixed solution.

[0044] 4) After the final mixed solution was allowed to stand at room temperature for 60 minutes, the target hydrogel ( figure 2 ).

[0045] The target hydrogel ...

Embodiment 2

[0050] 1) Weigh 0.1564g of AM, 0.02g of MBAA and 0.0362g of NaAA with a balance, dissolve the above-mentioned solid powders (AM, MBAA, NaAA) in sequence in 500μL of deionized water, shake and mix at room temperature for 2 to 3 minutes A colorless clear solution was obtained.

[0051] 2) Weigh 0.0008g of Ru(bpy) with a balance 3 Cl 2 , 0.0014g of TPA and 0.0292g of NaCl, the weighed material (Ru(bpy) 3 Cl 2 , TPA, NaCl) were sequentially added to the colorless clear solution of the above 1) and shaken and mixed at room temperature for 2 to 3 minutes to obtain a red transparent solution.

[0052] 3) Add 0.0009 g of APS and 0.0078 g of TEMED to the red transparent solution in 2), shake and mix at room temperature for 2 to 3 minutes to fully dissolve and add water to a total volume of 1 mL to obtain the final mixed solution.

[0053] 4) The final mixed solution was left to stand at room temperature for 60 minutes to obtain a red transparent hydrogel.

[0054] After identifica...

Embodiment 3

[0057] 1) Weigh 0.1564g of AM, 0.02g of MBAA and 0.0362g of NaAA with a balance, dissolve the above-mentioned solid powders (AM, MBAA, NaAA) in sequence in 500μL of deionized water, shake and mix at room temperature for 2 to 3 minutes A colorless clear solution was obtained.

[0058] 2) Weigh 0.0037g of Ru(bpy) with a balance 3 Cl 2 , 0.0072g of TPA and 0.0058g of NaCl, the weighed material (Ru(bpy) 3 Cl 2 , TPA, NaCl) were sequentially added to the colorless clear solution of the above 1) and shaken and mixed at room temperature for 2 to 3 minutes to obtain a red transparent solution.

[0059] 3) Add 0.0009 g of APS and 0.0078 g of TEMED to the red transparent solution in 2), shake and mix at room temperature for 2 to 3 minutes to fully dissolve and add water to a total volume of 1 mL to obtain the final mixed solution.

[0060] 4) The final mixed solution was heated in an oven at 60° C. for 30 minutes to obtain a red transparent hydrogel.

[0061] After identification, ...

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Abstract

The invention discloses an ionic conductive electrochemical luminescent hydrogel for a luminescent displayer and a preparation method of the ionic conductive electrochemical luminescent hydrogel. Theelectrochemical luminescence hydrogel is a composite electrochemical luminescence hydrogel formed by adsorption of sodium chloride / ruthenium tripyridine chloride / tri-n-propylamine into a three-dimensional network structure of an anionic polyacrylamide hydrogel, specifically, monomer acrylamide, sodium monomer acrylate, cross-linking agent methylene diacrylamide, conductive medium sodium chloride,the electrochemical luminescence system ruthenium tripyridine chloride / tri-n-propylamine, initiator ammonium persulfate and accelerator tetramethyl ethidene diamine are mixed to form a red transparentsolution, and heated at the room temperature or in an oven to form the hydrogel. According to the prepared electrochemical luminescent hydrogel, electrochemical luminescence materials are effectivelyfixed, good light-admitting quality and stretchability of the hydrogel are retained, good conductivity, uniformity and electrochemical luminescence properties are further achieved, the ionic conductive electrochemical luminescent hydrogel can be used in the luminescent displayer and has the advantages that the ionic conductive electrochemical luminescent hydrogel is recyclable, and the trigger voltage is low.

Description

technical field [0001] The invention belongs to the field of composite material synthesis and application, and relates to an ion-conducting electrochemiluminescent hydrogel (NaCl / Ru(bpy) 3 Cl 2 / TPA / APAM hydrogel). Background technique [0002] Due to its high sensitivity, stability and simplicity, electrochemiluminescence has been widely studied in the fields of biological analysis and environmental analysis. Ru(bpy) 3 Cl 2 / TPA, as a classic electrochemiluminescent system, has good recyclability, stability and luminous intensity, and its application in electrochemiluminescent devices can better meet the growing demand for low-cost, disposable or reusable displays. It is expected to become a substitute for organic light-emitting diodes. [0003] Hydrogel is a general term for a class of cross-linked polymers that can swell in water but cannot be dissolved by water. Among them, anionic polyacrylamide (APAM) hydrogel has the characteristics of adsorption, flocculation, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/56C08F220/06C08F222/38C08F2/44C08K5/3432C08K5/17C08K3/16C09K11/02C09K11/06C07F15/00
CPCC07F15/0053C08F2/44C08F220/56C08K3/16C08K5/17C08K5/3432C08K2201/001C09K11/025C09K11/06C09K2211/185C08F220/06C08F222/385
Inventor 李菲郭晓锦李迎春李亚北
Owner XI AN JIAOTONG UNIV
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