CN108417294A - Flexible and transparent conductive electrode - Google Patents
Flexible and transparent conductive electrode Download PDFInfo
- Publication number
- CN108417294A CN108417294A CN201711280783.3A CN201711280783A CN108417294A CN 108417294 A CN108417294 A CN 108417294A CN 201711280783 A CN201711280783 A CN 201711280783A CN 108417294 A CN108417294 A CN 108417294A
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- Prior art keywords
- nano silver
- silver wire
- flexible
- parts
- conductive electrode
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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
-
- 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
-
- 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
- H01B13/30—Drying; Impregnating
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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
Abstract
The present invention discloses a kind of flexible and transparent conductive electrode, and nano silver wire coating of the flexible and transparent conductive electrode by transparent flexible base material and coated on transparent flexible substrate surface forms, include the following steps：By nano silver wire aqueous dispersions, water-based acrylic resin, triethylene tetramine, to 1 ~ 2 part of methylsulfonyltoluene, 0.1 ~ 0.3 part of rilanit special, double solvents；It is added to vacuum defoamation in de-airing mixer, is uniformly mixed, obtain mixed liquor, a concentration of 2~10mg/mL of the nano silver wire aqueous dispersions, the double solvents is mixed by alcohols solvent, ketones solvent；Wet film is dried into 3 ~ 10min in 150 DEG C of vacuum drying chambers, waits for volatilizing completely in wet film, it is the flexible and transparent conductive electrode to take out.Present invention reduces conductive resistance rates, also further avoid nano silver wire accumulation, ensure that conductive uniformity, also improve light transmittance.
Description
Technical field
The present invention relates to a kind of nano silver wire technical field, more particularly to a kind of flexible and transparent conductive electrode.
Background technology
Metal oxide, especially ITO have higher light transmission rate and lower resistivity, in mistake in visible region
Go always transparent conductive electrode research and the hot spot applied over 50 years.However metal oxide limited electrical conductivity itself, and matter
Crisp frangible, the defects of being unlikely to deform, while raw material resources are increasingly rare, expensive, can no longer meet modern photoelectron device
For the demand of the development of part recently as the development of nanometer technique, a frontier of transparent conductive electrode developing is that two dimension is micro-
Nanometer new material and structural membrane electrode, such as high polymer conductive film, carbon nano-tube film, graphene film and metal nanometer line
Film.Graphene film has flexibility well because of itself special pattern, while also having good carrier mobility,
But volume production technology is not yet ripe；Carbon nano-tube film is needed compared with big L/D ratio, and the evenly dispersed Europe between carbon pipe of carbon pipe
Nurse resistance problems limit electric conductivity in the face of film.Transparent conductive film is in addition to excellent electric conductivity, it is also necessary to excellent light
Transmissivity, and nanometer metallic silver line electrode has outstanding electric conductivity and light transmission.Since silver is electric good conductor, electric conductivity
It is good, thus micro-nano silver wire can reduce energy consumption as electrode material（Relative to oxide film electrode）.Micro-nano silver simultaneously
When the grain size of line is less than visible light incident wavelength, the plasma effect of metal micro-nano structure enhances light transmission, and electrode is made to have
There are good photoelectric properties.Micro-nano silver line electrode is suitble to flexible, large area low cost production simultaneously.Thus micro-nano silver wire electricity
It pole will be as the advantageous replacer of present transparent conductive electrode.And the selection of auxiliary agent then determines in micro-nano silver wire coating liquid
The performance of product.Therefore, to obtain better performance, people attempt to have prepared the coating of different performance with various different auxiliary agents
Liquid.The indexs such as nano silver wire film conductivity and bend-resistance performance that existing formula is formed are still to be improved, how to overcome above-mentioned
Technical problem simultaneously improves, and becomes the direction of those of ordinary skill in the art's effort.
Invention content
It is an object of the present invention to provide a kind of flexible and transparent conductive electrode, nano silver wire slurry in this flexible and transparent conductive electrode
Both nano silver wire content can be reduced, nano-silver thread is effectively disperseed, reduces conductive resistance rate, also improves bend-resistance performance,
Bending times are more than 5000 times.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of flexible and transparent conductive electrode, it is described flexible saturating
Nano silver wire coating of the bright conductive electrode by transparent flexible base material and coated on transparent flexible substrate surface forms, this nano silver wire
Coating layer thickness be 20 ~ 100 microns, the nano silver wire coating by nano silver wire slurry dry obtain, this nano silver wire slurry by
The group of following parts by weight is grouped as：100 parts of nano silver wire aqueous dispersions, 5 ~ 8 parts of water-based acrylic resin, triethylene tetramine 2 ~ 5
Part, to 1 ~ 2 part of methylsulfonyltoluene, 0.2 ~ 0.5 part of polyvinyl alcohol water solution, 0.2 ~ 0.4 part of alkylolamides, isopropoxide ethanol
0.3 ~ 0.5 part, 0.1 ~ 0.3 part of rilanit special, 30 ~ 40 parts of double solvents；
The flexible and transparent conductive electrode is obtained by following steps：
Step 1: by 100 parts of nano silver wire aqueous dispersions, 5 ~ 8 parts of water-based acrylic resin, 2 ~ 5 parts of triethylene tetramine, hydrogenation castor
0.1 ~ 0.3 part of sesame oil, 30 ~ 40 parts of double solvents；It is added to vacuum defoamation in de-airing mixer, is uniformly mixed, obtain mixed liquor,
A concentration of 2~10mg/mL of the nano silver wire aqueous dispersions, the double solvents by alcohols solvent, ketones solvent mixing and
At；
Step 2: be added under stiring to 1 ~ 2 part of methylsulfonyltoluene, 0.2 ~ 0.5 part of polyvinyl alcohol water solution in mixed liquor, it is subsequent
Continuous stir about 10 minutes makes to be sufficiently mixed uniformly, this water-soluble resin liquid is water-soluble polyester resin liquid；
Step 3: 0.2 ~ 0.4 part of alkylolamides are added according to quantity, 0.3 ~ 0.5 part of isopropoxide ethanol is added to de-airing mixer
In, continue to stir evenly, that is, obtains the nano silver wire slurry for being based on nano silver wire；
Step 4: using PET as transparent flexible base material, the nano silver wire slurry is evenly applied in a manner of bar roller coating
PET, wherein bar spacing are 15 μm, and roller coating speed is 80cm/min, and substrate surface forms one layer of uniform wet film；
Step 5: the wet film is dried 3 ~ 10min in 150 DEG C of vacuum drying chambers, wait for volatilizing completely in wet film, take out i.e. described
Flexible and transparent conductive electrode.
It is as follows that technical solution is further improved in above-mentioned technical proposal：
1, in said program, a diameter of 20 ~ 150nm of nano silver wire, nano-silver thread length are in the nano silver wire aqueous dispersions
50~500mm。
2, in said program, the alcohols solvent is one kind in methanol, ethyl alcohol and isopropanol.
3, in said program, the ketones solvent is one kind in acetone, butanone, cyclohexanone, isophorone.
4, in said program, the double solvents is by alcohols solvent, ketones solvent according to 10：（2~4）Parts by weight mixing
It forms.
Since above-mentioned technical proposal is used, the present invention has following advantages and effect compared with prior art：
Flexible and transparent conductive electrode of the present invention, in 100 parts of nano silver wire aqueous dispersions, 5 ~ 8 parts of water-based acrylic resin, poly- second
It is further added in 0.3 ~ 0.5 part of 0.2 ~ 0.5 part of enol aqueous solution, 0.2 ~ 0.4 part of alkylolamides, isopropoxide ethanol system
2 ~ 5 parts of triethylene tetramine, to 1 ~ 2 part of methylsulfonyltoluene, can both reduce nano silver wire content, effectively disperse nano-silver thread, drop
Low conductive resistance rate, also improves bend-resistance performance, bending times are more than 5000 times；Secondly, formula further uses different
0.3 ~ 0.5 part of allyloxyethanol and by alcohols solvent, ketones solvent according to 10：（2~4）Parts by weight mix double solvents,
The viscosity and rate of drying for effectively adjusting coating liquid further avoid nano silver wire accumulation, ensure that conductive uniformity,
Improve light transmittance.
Specific implementation mode
With reference to embodiment, the invention will be further described：
Embodiment 1 ~ 4：A kind of flexible and transparent conductive electrode, the flexible and transparent conductive electrode is by transparent flexible base material and is coated on
The nano silver wire coating of transparent flexible substrate surface forms, this nano silver wire coating layer thickness is 20 ~ 100 microns, the silver nanoparticle
Line coating is dried by nano silver wire slurry and is obtained, this nano silver wire slurry is grouped as by the group of following parts by weight, as shown in table 1：
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Nano silver wire aqueous dispersions | 100 parts | 100 parts | 100 parts | 100 parts |
| Water-based acrylic resin | 6 parts | 5 parts | 6.2 part | 7 parts |
| Triethylene tetramine | 3 parts | 2.2 part | 5 parts | 4 parts |
| To methylsulfonyltoluene | 1.8 part | 1 part | 1.5 part | 1.2 part |
| Polyvinyl alcohol water solution | 0.24 part | 0.4 part | 0.3 part | 0.45 part |
| Alkylolamides | 0.3 part | 0.35 part | 0.4 part | 0.26 part |
| Isopropoxide ethanol | 0.4 part | 0.5 part | 0.35 part | 0.42 part |
| Rilanit special | 0.15 part | 0.25 part | 0.1 part | 0.2 part |
| Double solvents | 35 parts | 32 parts | 38 parts | 35 parts |
；
In embodiment 1 double solvents by methanol, cyclohexanone according to 10：2 parts by weight mix, in embodiment 2 double solvents by
Isopropanol, butanone are according to 10：2.5 parts by weight mix, in embodiment 3 double solvents by ethyl alcohol, cyclohexanone according to 10：3 weights
Amount part mix, in embodiment 4 double solvents by methanol, isophorone according to 10：3.8 parts by weight mix.
The flexible and transparent conductive electrode is obtained by following steps：
Step 1: by 100 parts of nano silver wire aqueous dispersions, 5 ~ 8 parts of water-based acrylic resin, 2 ~ 5 parts of triethylene tetramine, hydrogenation castor
0.1 ~ 0.3 part of sesame oil, 30 ~ 40 parts of double solvents；It is added to vacuum defoamation in de-airing mixer, is uniformly mixed, obtain mixed liquor,
A concentration of 2~10mg/mL of the nano silver wire aqueous dispersions；The double solvents by alcohols solvent, ketones solvent mixing and
At；
Step 2: be added under stiring to 1 ~ 2 part of methylsulfonyltoluene, 0.2 ~ 0.5 part of polyvinyl alcohol water solution in mixed liquor, it is subsequent
Continuous stir about 10 minutes makes to be sufficiently mixed uniformly, this water-soluble resin liquid is water-soluble polyester resin liquid；
Step 3: 0.2 ~ 0.4 part of alkylolamides are added according to quantity, 0.3 ~ 0.5 part of isopropoxide ethanol is added to de-airing mixer
In, continue to stir evenly, that is, obtains the nano silver wire slurry for being based on nano silver wire；
Step 4: using PET as transparent flexible base material, the nano silver wire slurry is evenly applied in a manner of bar roller coating
PET, wherein bar spacing are 15 μm, and roller coating speed is 80cm/min, and substrate surface forms one layer of uniform wet film；
Step 5: the wet film is dried 3 ~ 10min in 150 DEG C of vacuum drying chambers, wait for volatilizing completely in wet film, take out i.e. described
Flexible and transparent conductive electrode.
A diameter of 20 ~ the 150nm of nano silver wire in above-mentioned nano silver wire aqueous dispersions, nano-silver thread length are 50 ~ 500mm.
The test result of 1 ~ 4 flexible and transparent conductive electrode of the present embodiment, as shown in table 2：
Table 2
From table 2 it is found that when using flexible and transparent conductive electrode of the present invention, nano silver wire content can be both reduced, effectively
Disperse nano-silver thread, reduces conductive resistance rate, also improve bend-resistance performance, bending times are more than 5000 times；Secondly, have
Effect adjusts the viscosity and rate of drying of coating liquid, further avoids nano silver wire accumulation, ensure that conductive uniformity, also change
It has been apt to light transmittance.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of flexible and transparent conductive electrode, it is characterised in that：The flexible and transparent conductive electrode is by transparent flexible base material and painting
It is overlying on the nano silver wire coating composition of transparent flexible substrate surface, this nano silver wire coating layer thickness is 20 ~ 100 microns, the silver
Nano wire coating is dried by nano silver wire slurry and is obtained, this nano silver wire slurry is grouped as by the group of following parts by weight：Silver nanoparticle
100 parts of line aqueous dispersions, 5 ~ 8 parts of water-based acrylic resin, 2 ~ 5 parts of triethylene tetramine, to 1 ~ 2 part of methylsulfonyltoluene, polyethylene
0.2 ~ 0.5 part of alcohol solution, 0.2 ~ 0.4 part of alkylolamides, 0.3 ~ 0.5 part of isopropoxide ethanol, rilanit special 0.1 ~ 0.3
Part, 30 ~ 40 parts of double solvents；
The flexible and transparent conductive electrode is obtained by following steps：
Step 1: by 100 parts of nano silver wire aqueous dispersions, 5 ~ 8 parts of water-based acrylic resin, 2 ~ 5 parts of triethylene tetramine, hydrogenation castor
0.1 ~ 0.3 part of sesame oil, 30 ~ 40 parts of double solvents；It is added to vacuum defoamation in de-airing mixer, is uniformly mixed, obtain mixed liquor,
A concentration of 2~10mg/mL of the nano silver wire aqueous dispersions；The double solvents by alcohols solvent, ketones solvent mixing and
At；
Step 2: be added under stiring to 1 ~ 2 part of methylsulfonyltoluene, 0.2 ~ 0.5 part of polyvinyl alcohol water solution in mixed liquor, it is subsequent
Continuous stir about 10 minutes makes to be sufficiently mixed uniformly, this water-soluble resin liquid is water-soluble polyester resin liquid；
Step 3: 0.2 ~ 0.4 part of alkylolamides are added according to quantity, 0.3 ~ 0.5 part of isopropoxide ethanol is added to de-airing mixer
In, continue to stir evenly, that is, obtains the nano silver wire slurry for being based on nano silver wire；
Step 4: using PET as transparent flexible base material, the nano silver wire slurry is evenly applied in a manner of bar roller coating
PET, wherein bar spacing are 15 μm, and roller coating speed is 80cm/min, and substrate surface forms one layer of uniform wet film；
Step 5: the wet film is dried 3 ~ 10min in 150 DEG C of vacuum drying chambers, wait for volatilizing completely in wet film, take out i.e. described
Flexible and transparent conductive electrode.
2. the flexible conductive film according to claim 1 preparation process of nano silver wire slurry, it is characterised in that：It is described
A diameter of 20 ~ the 150nm of nano silver wire in nano silver wire aqueous dispersions, nano-silver thread length are 50 ~ 500mm.
3. the flexible conductive film according to claim 1 preparation process of nano silver wire slurry, it is characterised in that：It is described
Alcohols solvent is one kind in methanol, ethyl alcohol and isopropanol.
4. the flexible conductive film according to claim 1 preparation process of nano silver wire slurry, it is characterised in that：It is described
Ketones solvent is one kind in acetone, butanone, cyclohexanone, isophorone.
5. the flexible conductive film according to claim 1 preparation process of nano silver wire slurry, it is characterised in that：It is described
Double solvents is by alcohols solvent, ketones solvent according to 10：（2~4）Parts by weight mix.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711280783.3A CN108417294A (en) | 2017-12-07 | 2017-12-07 | Flexible and transparent conductive electrode |
| PCT/CN2018/107054 WO2019109711A1 (en) | 2017-12-07 | 2018-09-21 | Flexible transparent conductive electrode |
| EP18886729.5A EP3547332B1 (en) | 2017-12-07 | 2018-09-21 | Flexible transparent conductive electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711280783.3A CN108417294A (en) | 2017-12-07 | 2017-12-07 | Flexible and transparent conductive electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108417294A true CN108417294A (en) | 2018-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711280783.3A Pending CN108417294A (en) | 2017-12-07 | 2017-12-07 | Flexible and transparent conductive electrode |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3547332B1 (en) |
| CN (1) | CN108417294A (en) |
| WO (1) | WO2019109711A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019109711A1 (en) * | 2017-12-07 | 2019-06-13 | 浙江欧仁新材料有限公司 | Flexible transparent conductive electrode |
| CN110183700A (en) * | 2019-05-30 | 2019-08-30 | 中国科学技术大学 | The preparation method of silver nanowires flexible and transparent conductive electrode, electrochromic device and preparation method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114989472B (en) * | 2021-03-02 | 2023-04-14 | 天津理工大学 | Application of conductive ink in reducing resistivity of flexible polar plate after being bent for multiple times |
| CN115073792B (en) * | 2022-04-29 | 2023-08-04 | 湖北大学 | Silver nanowire and two-dimensional antimoney composite conductive film and flexible transparent supercapacitor thereof |
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| CN104861776A (en) * | 2015-06-02 | 2015-08-26 | 北京化工大学 | Anti-settling and self-leveling silver nanowire conductive printing ink and method for preparing transparent conducting thin film by using same |
| CN105273471A (en) * | 2015-12-07 | 2016-01-27 | 苏州艾达仕电子科技有限公司 | Water-soluble nano-silver conductive coating |
| CN106916920A (en) * | 2017-04-09 | 2017-07-04 | 江苏阳帆机电设备制造有限公司 | The method that the silicon powder discarded after a kind of use solar energy silicon crystal chip Buddha's warrior attendant wire cutting makes steel-making reducing agent |
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| US7727578B2 (en) * | 2007-12-27 | 2010-06-01 | Honeywell International Inc. | Transparent conductors and methods for fabricating transparent conductors |
| KR101489161B1 (en) * | 2010-07-30 | 2015-02-06 | 주식회사 잉크테크 | Method for manufacturing transparent conductive layer and transparent conductive layer manufactured by the method |
| JP4893867B1 (en) * | 2011-02-23 | 2012-03-07 | ソニー株式会社 | Transparent conductive film, dispersion, information input device, and electronic device |
| CN102208538B (en) * | 2011-04-18 | 2013-03-27 | 电子科技大学 | Substrate for flexible photoelectronic device and preparation method thereof |
| JP2013196918A (en) * | 2012-03-21 | 2013-09-30 | Jnc Corp | Coating film forming composition used for forming transparent conductive film |
| CN103627255B (en) * | 2013-05-06 | 2015-05-20 | 苏州冷石纳米材料科技有限公司 | Nano-silver conductive ink and conductive film prepared by employing same |
| JP6353671B2 (en) * | 2014-03-14 | 2018-07-04 | Ｄｏｗａエレクトロニクス株式会社 | Method for producing silver nanowire ink, silver nanowire ink and transparent conductive film |
| CN106910568A (en) * | 2017-03-31 | 2017-06-30 | 苏州思创源博电子科技有限公司 | A kind of utilization electrically conductive ink prepares the preparation method of conductive film |
| CN108417294A (en) * | 2017-12-07 | 2018-08-17 | 浙江欧仁新材料有限公司 | Flexible and transparent conductive electrode |
-
2017
- 2017-12-07 CN CN201711280783.3A patent/CN108417294A/en active Pending
-
2018
- 2018-09-21 EP EP18886729.5A patent/EP3547332B1/en active Active
- 2018-09-21 WO PCT/CN2018/107054 patent/WO2019109711A1/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104861776A (en) * | 2015-06-02 | 2015-08-26 | 北京化工大学 | Anti-settling and self-leveling silver nanowire conductive printing ink and method for preparing transparent conducting thin film by using same |
| CN105273471A (en) * | 2015-12-07 | 2016-01-27 | 苏州艾达仕电子科技有限公司 | Water-soluble nano-silver conductive coating |
| CN106916920A (en) * | 2017-04-09 | 2017-07-04 | 江苏阳帆机电设备制造有限公司 | The method that the silicon powder discarded after a kind of use solar energy silicon crystal chip Buddha's warrior attendant wire cutting makes steel-making reducing agent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019109711A1 (en) * | 2017-12-07 | 2019-06-13 | 浙江欧仁新材料有限公司 | Flexible transparent conductive electrode |
| CN110183700A (en) * | 2019-05-30 | 2019-08-30 | 中国科学技术大学 | The preparation method of silver nanowires flexible and transparent conductive electrode, electrochromic device and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019109711A1 (en) | 2019-06-13 |
| EP3547332A4 (en) | 2020-09-16 |
| EP3547332B1 (en) | 2022-03-16 |
| EP3547332A1 (en) | 2019-10-02 |
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Application publication date: 20180817 |