WO2016165202A1 - 可弯曲透明导电电极及其制备方法 - Google Patents
可弯曲透明导电电极及其制备方法 Download PDFInfo
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- WO2016165202A1 WO2016165202A1 PCT/CN2015/080727 CN2015080727W WO2016165202A1 WO 2016165202 A1 WO2016165202 A1 WO 2016165202A1 CN 2015080727 W CN2015080727 W CN 2015080727W WO 2016165202 A1 WO2016165202 A1 WO 2016165202A1
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- transparent
- ionic liquid
- gel
- transparent electrode
- ion gel
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/14—Non-insulated conductors or conductive bodies characterised by their form comprising conductive layers or films on insulating-supports
Definitions
- the present invention relates to the field of preparation and application of electronic devices, and relates to a flexible transparent conductive electrode prepared by using an organic ion gel on a flexible substrate and a method for preparing the same.
- Transparent electrodes play an important role in many contemporary electronic and optoelectronic components, and are indispensable photoelectric functional materials. However, in this field, both in industrial applications and in basic research, it is a key moment for upgrading.
- indium tin oxide (IT 0) has encountered severe challenges of depletion of indium resources and expensive energy consumption by vacuum magnetron sputtering.
- the current components are transitioning from traditional hard chips to flexible, flexible, wearable devices, and the market is exploding, and there is no doubt that new requirements have been placed on transparent electrodes.
- a bendable transparent conductive electrode comprising a transparent ion gel, a flexible bendable transparent polymer film; characterized in that: the transparent ion gel is by chemical polymerization or physics The prepared ion gel is blended, and wherein the metal nanomaterial and/or the semiconductor nanomaterial are uniformly mixed; the flexible bendable transparent polymer film serves as a support layer of the bendable transparent conductive electrode.
- the method of the present invention for preparing a flexible transparent conductive electrode on a flexible substrate using an organic ion gel comprises the following steps:
- the transparent ionic sol formed in the step (1) is uniformly coated on the flexible bendable transparent polymer film.
- an ion-gel transparent electrode in which the conductive layer is an ionic liquid/polymer blend and the support layer is a flexible bendable transparent polymer film is formed, as shown in FIG.
- the resistance of the ionic gel is in the order of megaohms
- the resistance of the transparent electrode of the ion gel can be adjusted by adding a metal/semiconductor nanomaterial.
- the method of addition is to add the metal/semiconductor nanomaterial to the transparent sol formed in the step (1) and continue to stir to a uniform state. Then, step (2) is performed to form an ion gel transparent electrode.
- the prepared ion gel transparent electrode can be used to prepare flexible electronic display screens, such as mobile phones, computer monitors, watches, visualization glasses, and the like. It can also be used to make flexible LEDs or bendable solar cells.
- 1.1 chemical polymerization is: the ionic liquid and the polymer monomer are dissolved in a solvent in a certain ratio, uniformly stirred, and then the monomer polymerization initiator is added, and the stirring is continued until the state is uniform. . It is then reacted in a heated state to form a transparent sol. Such a sol is used in the next step to prepare an ion gel transparent electrode.
- 1.2 Physical blending is: The polymer is dissolved in the solvent, and the ionic liquid is added after uniform stirring, and stirring is continued to form a transparent sol. Such a sol is used in the next step to prepare an ion gel transparent electrode.
- the ionic liquid in the present invention is one or more of an imidazole, a pyridine, a pyrrolidine and a piperidine ionic liquid.
- Imidazoles such as 1-butyl-3-methylimidazolium trifluoroacetate; pyridines such as N-butyl-pyridine bromide; Pyrroles such as N-butyl-N-methylpyrrolidine bromide; piperidines such as N-butyl-N-methylpiperidine bromide.
- the polymer monomer in the present invention is one or more of acrylic acid, methyl methacrylate, styrene, and vinyl chloride.
- the solvent described in the present invention is one or more of water, chloroform, n-hexane, toluene, and acetone.
- the weight ratio of the ionic liquid/solvent in the present invention is from 1/1000 to 1000/1000.
- the monomer initiator described in the present invention is one or more of benzoyl peroxide, di-tert-butyl peroxide, and azobisisobutyronitrile.
- the heating temperature in the present invention is 20 to 90 °C.
- the weight ratio of the initiator/polymer monomer in the present invention is from 1/1000 to 5/1000.
- the polymer physically blended with the ionic liquid in the present invention is one or more of polypropylene, polyethylene, polydimethylsiloxane, polytetrafluoroethylene, and silicone resin.
- the weight ratio of the ionic liquid/polymer (or polymer monomer) in the present invention is 1/1000-1000/1
- the flexible and flexible polymer film used in the preparation of the flexible electrode according to the present invention is polystyrene, polypropylene, polyethylene, polydimethylsiloxane, polyethylene terephthalate. One or more of the diesters.
- the metal/semiconductor nanomaterial that changes the resistance of the ion gel layer in the present invention is one or more of a thin layer of gold nanowires, silver nanowires, copper nanowires, carbon nanotubes, and graphene. .
- the weight ratio of the ionic liquid/added nanomaterial in the present invention is 1000/1-1000/1000.
- the ion gel transparent electrode provided by the invention overcomes the defects of high cost, complicated process and scarce raw materials in the prior transparent electrode technology, and has excellent processability.
- the present invention can adjust the electrical resistance of the ion-gel conductive layer by adding a metal nanomaterial to the ion gel.
- the ion gel transparent electrode obtained by the invention does not damage or has a low conductivity after being placed for one year, and has no influence on the formation after a small amount of ultraviolet light, and the generated conductive layer is stable in properties.
- the method of the invention is simple in operation, easy to control, simple in equipment required, and capable of mass production.
- the transparent electrode is particularly suitable for preparing a screen of a visible electronic device, a wearable electronic device, a flexible solar cell, a flexible light emitting diode. Brief description of the drawing
- FIG. 1 is a schematic view of a bendable ionotropic gel transparent electrode of the present invention.
- the transparent ionic sol formed in the step (1) is uniformly coated on the flexible bendable polystyrene transparent polymer film. After the solvent is completely evaporated in the sol, an ion-gel transparent electrode in which the conductive layer is an ionic liquid/polymer blend and the support layer is a flexible bendable transparent polymer film is formed.
- the resistance of the transparent electrode of the ion gel can be adjusted by adding a gold nanowire (the weight ratio of the ionic liquid/gold nanowire is 1000/1).
- the method of addition is to add the metal/semiconductor nanomaterial to the transparent sol formed in the step (1) and continue to stir to a uniform state. Then, step (2) is performed to form an ion gel transparent electrode.
- the ion gel transparent electrode prepared above can be used to prepare a flexible mobile phone display screen, and can maintain a stable state with an electrical response time of 0.1 ms, which is 0.1 ms less than that of ordinary ITO.
- the transparent ionic sol formed in the step (1) was uniformly coated on a flexible bendable polypropylene transparent polymer film. After the solvent is completely evaporated in the sol, an ion-gel transparent electrode in which the conductive layer is an ionic liquid/polymer blend and the support layer is a flexible bendable transparent polymer film is formed.
- the resistance of the ionic gel is in the order of megaohms
- the resistance of the transparent electrode of the ion gel can be adjusted by adding silver nanowires (the weight ratio of the ionic liquid/silver nanowires is 1000/250).
- the addition method is to add the metal/semiconductor nanomaterial to the transparent sol formed in the step (1) and continue to stir to a uniform state. Then, step (2) is performed to form an ion gel transparent electrode.
- the ion gel transparent electrode prepared above can be used to prepare a flexible eyeglass display screen, and can maintain a stable state with an electrical response time of 0.1 ms, which is 0.1 ms less than that of ordinary ITO.
- N-butyl-N-methylpyrrolidine bromide and styrene are dissolved in toluene at a weight ratio of 750/1000 (ionic liquid/toluene in a weight ratio of 500/1000), uniformly stirred and then added to the monomer polymerization.
- the initiator azobisisobutyronitrile (initiator/polymer monomer weight ratio is 4/1000) and stirring is continued to a uniform state. Then, it was reacted under heating at 60 ° C to form a transparent sol. Such a sol is used in the next step to prepare an ionic gel transparent electrode.
- the transparent ionic sol formed in the step (1) is uniformly coated on the flexible bendable polyethylene transparent polymer film. After the solvent is completely evaporated in the sol, an ion-gel transparent electrode in which the conductive layer is an ionic liquid/polymer blend and the support layer is a flexible bendable transparent polymer film is formed. (3) Method for adjusting the resistance of an ion gel transparent electrode
- the resistance of the ionic gel is in the order of mega ohms
- the resistance of the transparent electrode of the ion gel can be adjusted by adding copper nanowires (the weight ratio of the ionic liquid/copper nanowires is 1000/500).
- the addition method is to add the metal/semiconductor nanomaterial to the transparent sol formed in the step (1) and continue to stir to a uniform state. Then, step (2) is performed to form an ion gel transparent electrode.
- the ion gel transparent electrode prepared above can be used to prepare a flexible light emitting diode, which can maintain a stable state, and the electrical response time is 0.1 ms, which is 0.1 ms less than the response time of ordinary ITO.
- N-butyl-N-methyl piperidinium bromide and vinyl chloride are dissolved in acetone at a weight ratio of 1000/1000 (the weight ratio of ionic liquid / acetone is 1000/1000), and uniformly stirred to add monomer polymerization.
- the initiator benzoyl peroxide (initiator/polymer monomer weight ratio is 1/1000), continue to stir to a uniform state. It is then reacted in a heated state at 90 ° C to form a transparent sol. Such a sol is used in the next step to prepare an ionic gel transparent electrode.
- the transparent ionic sol formed in the step (1) was uniformly coated on the flexible bendable polydimethylsiloxane transparent polymer film. After the solvent is completely evaporated in the sol, an ion-gel transparent electrode in which the conductive layer is an ionic liquid/polymer blend and the support layer is a flexible bendable transparent polymer film is formed.
- the electric resistance of the ionic gel is in the order of megaohms
- the electric resistance of the transparent electrode of the ion gel can be adjusted by adding carbon nanotubes (the weight ratio of the ionic liquid/carbon nanotubes is 1000/750).
- the addition method is to add the metal/semiconductor nanomaterial to the transparent sol formed in the step (1) and continue to stir to a uniform state. Then, step (2) is performed to form an ion gel transparent electrode.
- the ion gel transparent electrode prepared above can be used to prepare a flexible solar cell, and can maintain a stable state with an electrical response of 0.1 ms, which is 0.1 ms less than that of ordinary ITO.
- N-butyl-N-methyl piperidinium bromide and vinyl chloride are dissolved in acetone at a weight ratio of 1000/1000 (ionic liquid / acetone weight ratio is 1000/1000), uniformly stirred and added to the monomer polymerization
- the initiator benzoyl peroxide (initiator/polymer monomer weight ratio is 1/1000), continue to stir to a uniform state. It is then reacted in a heated state at 90 ° C to form a transparent sol. Such a sol is used in the next step to prepare an ionic gel transparent electrode.
- the transparent ionic sol formed in the step (1) was uniformly coated on a flexible bendable polyethylene terephthalate transparent polymer film. After the solvent is completely evaporated in the sol, an ion-gel transparent electrode in which the conductive layer is an ionic liquid/polymer blend and the support layer is a flexible bendable transparent polymer film is formed.
- the resistance of the ionic gel is in the order of megaohms
- the resistance of the transparent electrode of the ion gel can be adjusted by adding a thin layer of graphene (the weight ratio of the ionic liquid/graphene thin layer is 1 000 /1 000 ).
- the method of addition is to add the metal/semiconductor nanomaterial to the transparent sol formed in step (1) and continue to stir to a uniform state. Then step (2) is performed to form an ion gel transparent electrode.
- the ion gel transparent electrode prepared above can be used to prepare a flexible mobile phone display screen, which can maintain a stable state, and the electrical response time is 0.1 ms, which is 0.1 ms less than that of ordinary ITO.
- N-butyl-N-methylpiperidine bromide and vinyl chloride are dissolved in acetone at a weight ratio of 1000/1000 (the weight ratio of ionic liquid/acetone is 1000/1000), and uniformly stirred to add monomer polymerization.
- the initiator benzoyl peroxide (initiator/polymer monomer weight ratio is 1/1000), continue to stir to a uniform state. It is then reacted in a heated state at 90 ° C to form a transparent sol. Such a sol is used in the next step to prepare an ionic gel transparent electrode.
- the transparent ionic sol formed in the step (1) is uniformly coated on the flexible bendable polyethylene terephthalate transparent polymer film. After the solvent is completely evaporated in the sol, the conductive layer is formed into an ionic liquid/polymer The blend and the support layer are ion-gel transparent electrodes of a flexible bendable transparent polymer film.
- the ion gel transparent electrode prepared above can be used for preparing a flexible mobile phone display screen, and can maintain a stable state with an electrical response time of 0.1 ms, which is 0.1 ms less than that of ordinary ITO.
- the transparent ionic sol formed in the step (1) is uniformly coated on the flexible bendable polystyrene transparent polymer film. After the solvent is completely evaporated in the sol, an ion-gel transparent electrode in which the conductive layer is an ionic liquid/polymer blend and the support layer is a flexible bendable transparent polymer film is formed.
- the resistance of the transparent electrode of the ion gel can be adjusted by adding a gold nanowire (the weight ratio of the ionic liquid/gold nanowire is 1000/1).
- the method of addition is to add the metal/semiconductor nanomaterial to the transparent sol formed in the step (1) and continue to stir to a uniform state. Then, step (2) is performed to form an ion gel transparent electrode.
- the ion gel transparent electrode prepared above can be used to prepare a flexible mobile phone display screen, and can maintain a stable state with an electrical response time of 0.1 ms, which is 0.1 ms less than that of ordinary ITO.
- the polyethylene is dissolved in water, and uniformly stirred, and 1-butyl-3-methylimidazolium trifluoroacetate is added (the weight ratio of the ionic liquid/7 is 250/1000; the weight ratio of the ionic liquid/polymer is 250/1000), continue to stir to form a transparent sol.
- Such a sol is used in the next step to prepare an ion gel transparent electrode.
- the resistance of the ionic gel is in the order of mega ohms
- the resistance of the transparent electrode of the ion gel can be adjusted by adding silver nanowires (the weight ratio of the ionic liquid/silver nanowires is 1000/250).
- the addition method is to add the metal/semiconductor nanomaterial to the transparent sol formed in the step (1) and continue to stir to a uniform state. Then, step (2) is performed to form an ion gel transparent electrode.
- the ion gel transparent electrode prepared above can be used for preparing a flexible eyeglass display screen, and can maintain a stable state with an electrical response time of 0.1 ms, which is 0.1 ms less than that of ordinary ITO.
- Polydimethylsiloxane was dissolved in toluene, and uniformly stirred, and 1-butyl-3-methylimidazolium trifluoroacetate was added (the weight ratio of ionic liquid/toluene was 500/1000; ionic liquid/polymerization) The weight ratio of the material is 500/1000) and stirring is continued to form a transparent sol. Such a sol is used in the next step to prepare an ion gel transparent electrode.
- the transparent ionic sol formed in the step (1) was uniformly coated on the flexible bendable polyethylene transparent polymer film. After the solvent is completely evaporated in the sol, an ion-gel transparent electrode in which the conductive layer is an ionic liquid/polymer blend and the support layer is a flexible bendable transparent polymer film is formed.
- the resistance of the ionic gel is in the order of megaohms
- the resistance of the transparent electrode of the ion gel can be adjusted by adding copper nanowires (the weight ratio of the ionic liquid/copper nanowires is 1000/500).
- the addition method is to add the metal/semiconductor nanomaterial to the transparent sol formed in the step (1) and continue to stir to a uniform state. Then, step (2) is performed to form an ion gel transparent electrode.
- the ion gel transparent electrode prepared above can be used to prepare a flexible light emitting diode, which can maintain a stable state, and the electrical response time is 0.1 ms, which is 0.1 ms less than that of ordinary ITO.
- the transparent ionic sol formed in the step (1) was uniformly coated on the flexible bendable polydimethylsiloxane transparent polymer film. After the solvent is completely evaporated in the sol, an ion-gel transparent electrode in which the conductive layer is an ionic liquid/polymer blend and the support layer is a flexible bendable transparent polymer film is formed.
- the resistance of the ionic gel is in the order of megaohms
- the resistance of the transparent electrode of the ion gel can be adjusted by adding carbon nanotubes (the weight ratio of the ionic liquid/carbon nanotubes is 1000/750).
- the addition method is to add the metal/semiconductor nanomaterial to the transparent sol formed in the step (1) and continue to stir to a uniform state. Then, step (2) is performed to form an ion gel transparent electrode.
- the ion gel transparent electrode prepared above can be used to prepare a flexible solar cell, and can maintain a stable state with an electrical response of 0.1 ms, which is 0.1 ms less than that of ordinary ITO.
- the silicone resin is dissolved in acetone, and uniformly stirred, and 1-butyl-3-methylimidazolium trifluoroacetate is added (the weight ratio of ionic liquid/acetone is 1/1000; the weight ratio of ionic liquid/polymer) It is 1/1000) and continues to stir to form a transparent sol.
- a sol is used in the next step to prepare an ion gel transparent electrode.
- the transparent ionic sol formed in the step (1) was uniformly coated on a flexible bendable polyethylene terephthalate transparent polymer film. After the solvent is completely evaporated in the sol, an ion-gel transparent electrode in which the conductive layer is an ionic liquid/polymer blend and the support layer is a flexible bendable transparent polymer film is formed.
- the resistance of the ionic gel is in the order of megaohms
- the resistance of the transparent electrode of the ion gel can be adjusted by adding a thin layer of graphene (the weight ratio of the ionic liquid/graphene thin layer is 1 000 /1 000 ).
- the method is to add the metal/semiconductor nanomaterial to the transparent sol formed in the step (1) and continue to stir to a uniform state. Then step (2) is performed to form an ion gel transparent electrode.
- the ion gel transparent electrode prepared above can be used to prepare a flexible mobile phone display screen, and can maintain a stable state with an electrical response time of 0.1 ms, which is 0.1 ms less than that of ordinary ITO.
- the transparent ionic sol formed in the step (1) was uniformly coated on a flexible bendable polyethylene terephthalate transparent polymer film. After the solvent is completely evaporated in the sol, an ion-gel transparent electrode in which the conductive layer is an ionic liquid/polymer blend and the support layer is a flexible bendable transparent polymer film is formed.
- the ion gel transparent electrode prepared above can be used to prepare a flexible mobile phone display screen, and can maintain a stable state with an electrical response time of 0.1 ms, which is 0.1 ms less than that of ordinary ITO.
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CN103647042A (zh) * | 2013-11-30 | 2014-03-19 | 孙永平 | 尖晶石型锂离子薄膜电极的制备方法 |
CN103762014A (zh) * | 2013-12-24 | 2014-04-30 | 苏州大学 | 一种基于丝素蛋白的柔性透明电极薄膜及其制备方法和应用 |
CN104159985A (zh) * | 2012-03-08 | 2014-11-19 | 东进世美肯株式会社 | 透明电极形成用导电性油墨组合物 |
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CN103647042A (zh) * | 2013-11-30 | 2014-03-19 | 孙永平 | 尖晶石型锂离子薄膜电极的制备方法 |
CN103647049A (zh) * | 2013-12-04 | 2014-03-19 | 合肥国轩高科动力能源股份公司 | 一种磷酸铁锂薄膜电极的制备方法 |
CN103762014A (zh) * | 2013-12-24 | 2014-04-30 | 苏州大学 | 一种基于丝素蛋白的柔性透明电极薄膜及其制备方法和应用 |
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