CN108648857A - A kind of illumination sintering processing method of transparent conductive film - Google Patents
A kind of illumination sintering processing method of transparent conductive film Download PDFInfo
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- CN108648857A CN108648857A CN201810472448.1A CN201810472448A CN108648857A CN 108648857 A CN108648857 A CN 108648857A CN 201810472448 A CN201810472448 A CN 201810472448A CN 108648857 A CN108648857 A CN 108648857A
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- conductive film
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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
- H01B13/003—Apparatus or processes specially adapted for manufacturing conductors or cables using irradiation
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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
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Abstract
The present invention is a kind of illumination sintering processing method of transparent conductive film, and step is：Select optical grade plated film PET base material as flexible base board；Prepare carbon nano-tube aqueous solutions；Prepare Hyperbranched Polymer with Terminal Hydroxyl modification nano-silver thread；Prepare dispersion liquid；It is uniformly sprayed on flexible substrates in such a way that precision is coated with；It is sintered using high energy optical pulses；Transparent conductive film surface is melted, and adjacent transparent conductive film forms uniform network i.e. on flexible substrates realizes sintering.The present invention is easy to operate, it is sintered by using high energy optical pulses, control illumination output power and illumination sweep speed, substantially reduce process time, avoid the deformation failure of high temperature or acidic environment to transparent conductive film flexible base board, the physical bond intensity that ensure that transparent conductive film modifies nano-silver thread by using carbon nanotube and Hyperbranched Polymer with Terminal Hydroxyl, enhances the electric conductivity of transparent conductive film.
Description
Technical field
The present invention relates to the sintering technology field of flexible transparent conductive film more particularly to a kind of light of transparent conductive film
According to sintering processing method.
Background technology
Transparent conductive film is a kind of not only conductive, but also the film with high light transmittance, usually 80% or more
The conductive component of the high grade of transparency and 100Ohm/sq or less sheet resistances is widely used in liquid crystal display, touch panel and solar cell
Equal electronic components field.High temperature is carried out currently, preparing transparent conductive film and being typically employed under hydrogen and nitrogen mixture atmosphere
Sintering, or using the method for pickling, still, there are the defects that activity time is grown for the method for high temperature sintering or pickling, and
High temperature sintering substantially increases processing cost in a reducing atmosphere, and the acidic environment of pickling easily causes deformation broken flexible base board
It is bad, it can not ensure the physical bond intensity of transparent conductive film.
Invention content
Present invention seek to address that the deficiencies in the prior art, and a kind of illumination sintering processes side of transparent conductive film is provided
Method.
The present invention to achieve the above object, using following technical scheme：
A kind of illumination sintering processing method of transparent conductive film, which is characterized in that its step are as follows：
(1) it selects optical grade plated film PET base material as flexible base board, uses volume ratio for 3:5 acetone is mixed with ethyl alcohol
Solvent carries out removal of impurities processing to flexible base board, and control frequency is 60-130KHz, is taken out after being cleaned by ultrasonic 15-20min, steaming is used in combination
Distilled water is rinsed, and flushing, which finishes to be placed in 60 DEG C of vacuum drying chamber, to be dried, and is taken out and is placed in after dry 20-30min
It is spare in drier；
(2) it is 2 to weigh mass ratio:5 carbon nanotube and distilled water, carbon nanotube is added in distilled water, in ultrasound
Under conditions of, controlled at 25-30 DEG C, frequency 70-80KHz, ultrasonic 10-16min after mixing, obtain carbon nanotube
Aqueous solution, it is spare；
(3) it is 1 to weigh mass ratio:1000000 nano-silver thread and Hyperbranched Polymer with Terminal Hydroxyl aqueous solution, by nano silver
Line is added in Hyperbranched Polymer with Terminal Hydroxyl aqueous solution, and 20h is stirred at room temperature, and it is poly- to obtain superbrnaching end-hydroxy after filtration washing drying
It closes object and modifies nano-silver thread；
(4) carbon in step (2) is uniformly added in the Hyperbranched Polymer with Terminal Hydroxyl modification nano-silver thread in step (3)
In nanotube aqueous solution, ultrasonic mixing 10-20min, frequency 40KHz, are made dispersion liquid at room temperature；
(5) dispersion liquid in step (4) is uniformly sprayed in such a way that spray equipment is using accurate coating through step
Suddenly on (1) treated flexible base board, flexible base board is fixed in heating dish, and the temperature of heating dish is maintained at 35-55 DEG C；
(6) flexible base board in step (5) is placed on the experimental bench of light agglomerating plant, is carried out using high energy optical pulses
Sintering processes open light source, and adjusting illumination output power is 205-220W, and illumination sweep speed is 1-1.5mm/s；
(7) when light source is irradiated on transparent conductive film, multiphoton absorption ionization, valence-band electrons occur for transparent conductive film
Conduction band is transitted to, lattice weakens, and transparent conductive film surface is melted, and adjacent transparent conductive film is in flexible base board
The upper uniform network of formation realizes sintering.
Preferably, the carbon nanotube in the step (2) is single-walled carbon nanotube or multi-walled carbon nanotube.
Preferably, using volume ratio for 1 in the step (3):3 distilled water and alcohol mixeding liquid is washed.
Preferably, the spray equipment in the step (5) uses automatic spray gun.
Preferably, the light source in the step (6) is xenon lamp source.
The beneficial effects of the invention are as follows：The present invention provides a kind of illumination sintering processing method of transparent conductive film, operation
Simply, it is sintered by using high energy optical pulses, controls illumination output power and illumination sweep speed, substantially reduce
Process time avoids the deformation failure of high temperature or acidic environment to transparent conductive film flexible base board, ensure that transparent lead
The physical bond intensity of conductive film is modified nano-silver thread by using carbon nanotube and Hyperbranched Polymer with Terminal Hydroxyl, is enhanced
The electric conductivity of transparent conductive film.
Specific implementation mode
With reference to embodiment, the invention will be further described：
A kind of illumination sintering processing method of transparent conductive film, which is characterized in that its step are as follows：
(1) it selects optical grade plated film PET base material as flexible base board, uses volume ratio for 3:5 acetone is mixed with ethyl alcohol
Solvent carries out removal of impurities processing to flexible base board, and control frequency is 60-130KHz, is taken out after being cleaned by ultrasonic 15-20min, steaming is used in combination
Distilled water is rinsed, and flushing, which finishes to be placed in 60 DEG C of vacuum drying chamber, to be dried, and is taken out and is placed in after dry 20-30min
It is spare in drier；
(2) it is 2 to weigh mass ratio:5 carbon nanotube and distilled water, carbon nanotube is added in distilled water, in ultrasound
Under conditions of, controlled at 25-30 DEG C, frequency 70-80KHz, ultrasonic 10-16min after mixing, obtain carbon nanotube
Aqueous solution, it is spare；
(3) it is 1 to weigh mass ratio:1000000 nano-silver thread and Hyperbranched Polymer with Terminal Hydroxyl aqueous solution, by nano silver
Line is added in Hyperbranched Polymer with Terminal Hydroxyl aqueous solution, and 20h is stirred at room temperature, and it is poly- to obtain superbrnaching end-hydroxy after filtration washing drying
It closes object and modifies nano-silver thread；
(4) carbon in step (2) is uniformly added in the Hyperbranched Polymer with Terminal Hydroxyl modification nano-silver thread in step (3)
In nanotube aqueous solution, ultrasonic mixing 10-20min, frequency 40KHz, are made dispersion liquid at room temperature；
(5) dispersion liquid in step (4) is uniformly sprayed in such a way that spray equipment is using accurate coating through step
Suddenly on (1) treated flexible base board, flexible base board is fixed in heating dish, and the temperature of heating dish is maintained at 35-55 DEG C；
(6) flexible base board in step (5) is placed on the experimental bench of light agglomerating plant, is carried out using high energy optical pulses
Sintering processes open light source, and adjusting illumination output power is 205-220W, and illumination sweep speed is 1-1.5mm/s；
(7) when light source is irradiated on transparent conductive film, multiphoton absorption ionization, valence-band electrons occur for transparent conductive film
Conduction band is transitted to, lattice weakens, and transparent conductive film surface is melted, and adjacent transparent conductive film is in flexible base board
The upper uniform network of formation realizes sintering.
Preferably, the carbon nanotube in the step (2) is single-walled carbon nanotube or multi-walled carbon nanotube.
Preferably, using volume ratio for 1 in the step (3):3 distilled water and alcohol mixeding liquid is washed.
Preferably, the spray equipment in the step (5) uses automatic spray gun.
Preferably, the light source in the step (6) is xenon lamp source.
Embodiment 1
A kind of illumination sintering processing method of transparent conductive film, its step are as follows：
(1) it selects optical grade plated film PET base material as flexible base board, uses volume ratio for 3:5 acetone is mixed with ethyl alcohol
Solvent carries out removal of impurities processing to flexible base board, and control frequency is 60KHz, is taken out after being cleaned by ultrasonic 15min, distilled water is used in combination to carry out
Rinse, flushing is finished to be placed in 60 DEG C of vacuum drying chamber and is dried, taken out after dry 20min be placed in it is standby in drier
With；
(2) 20g single-walled carbon nanotubes and 50g distilled water are weighed respectively, and 20g single-walled carbon nanotubes are added to 50g distillations
In water, under conditions of ultrasound, controlled at 25 DEG C, frequency 70KHz, ultrasonic 10min after mixing, obtain single wall carbon
Nanotube aqueous solution, it is spare；
(3) 1 μ g nano-silver threads quality and 1g Hyperbranched Polymer with Terminal Hydroxyl aqueous solutions are weighed respectively, by 1 μ g nano-silver threads
It is added in 1g Hyperbranched Polymer with Terminal Hydroxyl aqueous solutions, 20h is stirred at room temperature, it is poly- to obtain superbrnaching end-hydroxy after filtration washing drying
It closes object and modifies nano-silver thread, use volume ratio for 1:3 distilled water and alcohol mixeding liquid is washed；
(4) list in step (2) is uniformly added in the Hyperbranched Polymer with Terminal Hydroxyl modification nano-silver thread in step (3)
In wall carbon nano tube aqueous solution, ultrasonic mixing 10min, frequency 40KHz, are made dispersion liquid at room temperature；
(5) dispersion liquid in step (4) is uniformly sprayed in such a way that spray equipment is using accurate coating through step
Suddenly on (1) treated flexible base board, flexible base board is fixed in heating dish, and the temperature of heating dish is maintained at 35 DEG C, wherein spray
Coating device uses automatic spray gun；
(6) flexible base board in step (5) is placed on the experimental bench of light agglomerating plant, is carried out using high energy optical pulses
Sintering processes open light source, and light source is xenon lamp source, and adjusting illumination output power is 205W, and illumination sweep speed is 1mm/s；
(7) when light source is irradiated on transparent conductive film, multiphoton absorption ionization, valence-band electrons occur for transparent conductive film
Conduction band is transitted to, lattice weakens, and transparent conductive film surface is melted, and adjacent transparent conductive film is in flexible base board
The upper uniform network of formation realizes sintering.
Embodiment 2
A kind of illumination sintering processing method of transparent conductive film, its step are as follows：
(1) it selects optical grade plated film PET base material as flexible base board, uses volume ratio for 3:5 acetone is mixed with ethyl alcohol
Solvent carries out removal of impurities processing to flexible base board, and control frequency is 130KHz, is taken out after being cleaned by ultrasonic 20min, be used in combination distilled water into
Row rinses, and flushing is finished to be placed in 60 DEG C of vacuum drying chamber and is dried, taken out after dry 30min be placed in it is standby in drier
With；
(2) 40g multi-walled carbon nanotubes and 100g distilled water are weighed respectively, and 40g multi-walled carbon nanotubes, which are added to 100g, to be steamed
In distilled water, under conditions of ultrasound, controlled at 30 DEG C, frequency 80KHz, ultrasonic 16min after mixing, obtain multi wall
Carbon nano-tube aqueous solutions, it is spare；
(3) 2 μ g nano-silver threads quality and 2g Hyperbranched Polymer with Terminal Hydroxyl aqueous solutions are weighed respectively, by 2 μ g nano-silver threads
It is added in 2g Hyperbranched Polymer with Terminal Hydroxyl aqueous solutions, 20h is stirred at room temperature, it is poly- to obtain superbrnaching end-hydroxy after filtration washing drying
It closes object and modifies nano-silver thread, use volume ratio for 1:3 distilled water and alcohol mixeding liquid is washed；
(4) the Hyperbranched Polymer with Terminal Hydroxyl modification nano-silver thread in step (3) is uniformly added more in step (2)
In wall carbon nano tube aqueous solution, ultrasonic mixing 20min, frequency 40KHz, are made dispersion liquid at room temperature；
(5) dispersion liquid in step (4) is uniformly sprayed in such a way that spray equipment is using accurate coating through step
Suddenly on (1) treated flexible base board, flexible base board is fixed in heating dish, and the temperature of heating dish is maintained at 55 DEG C, wherein spray
Coating device uses automatic spray gun；
(6) flexible base board in step (5) is placed on the experimental bench of light agglomerating plant, is carried out using high energy optical pulses
Sintering processes open light source, and light source is xenon lamp source, and adjusting illumination output power is 220W, and illumination sweep speed is 1.5mm/
s；
(7) when light source is irradiated on transparent conductive film, multiphoton absorption ionization, valence-band electrons occur for transparent conductive film
Conduction band is transitted to, lattice weakens, and transparent conductive film surface is melted, and adjacent transparent conductive film is in flexible base board
The upper uniform network of formation realizes sintering.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above,
As long as using the various improvement of inventive concept and technical scheme of the present invention progress, or not improved directly apply to other fields
It closes, within protection scope of the present invention.
Claims (5)
1. a kind of illumination sintering processing method of transparent conductive film, which is characterized in that its step are as follows：
(1) it selects optical grade plated film PET base material as flexible base board, uses volume ratio for 3:5 acetone and alcohol mixed solvent
Removal of impurities processing is carried out to flexible base board, control frequency is 60-130KHz, is taken out after being cleaned by ultrasonic 15-20min, distilled water is used in combination
It is rinsed, flushing, which finishes to be placed in 60 DEG C of vacuum drying chamber, to be dried, and is taken out after dry 20-30min and is placed in drying
It is spare in device；
(2) it is 2 to weigh mass ratio:5 carbon nanotube and distilled water, carbon nanotube is added in distilled water, in the item of ultrasound
Under part, controlled at 25-30 DEG C, frequency 70-80KHz, ultrasonic 10-16min after mixing, it is water-soluble to obtain carbon nanotube
Liquid, it is spare；
(3) it is 1 to weigh mass ratio:1000000 nano-silver thread and Hyperbranched Polymer with Terminal Hydroxyl aqueous solution, by nano-silver thread plus
Enter in Hyperbranched Polymer with Terminal Hydroxyl aqueous solution, 20h is stirred at room temperature, Hyperbranched Polymer with Terminal Hydroxyl is obtained after filtration washing drying
Modify nano-silver thread；
(4) the carbon nanometer in step (2) is uniformly added in the Hyperbranched Polymer with Terminal Hydroxyl modification nano-silver thread in step (3)
In pipe aqueous solution, ultrasonic mixing 10-20min, frequency 40KHz, are made dispersion liquid at room temperature；
(5) dispersion liquid in step (4) is uniformly sprayed in such a way that spray equipment is using accurate coating through step (1)
On treated flexible base board, flexible base board is fixed in heating dish, and the temperature of heating dish is maintained at 35-55 DEG C；
(6) flexible base board in step (5) is placed on the experimental bench of light agglomerating plant, is sintered using high energy optical pulses
Light source is opened in processing, and adjusting illumination output power is 205-220W, and illumination sweep speed is 1-1.5mm/s；
(7) when light source is irradiated on transparent conductive film, multiphoton absorption ionization, valence-band electrons transition occur for transparent conductive film
To conduction band, lattice weakens, and transparent conductive film surface is melted, adjacent transparent conductive film shape on flexible substrates
Sintering is realized at uniform network.
2. a kind of illumination sintering processing method of transparent conductive film according to claim 1, which is characterized in that the step
Suddenly the carbon nanotube in (2) is single-walled carbon nanotube or multi-walled carbon nanotube.
3. a kind of illumination sintering processing method of transparent conductive film according to claim 1, which is characterized in that the step
Use volume ratio for 1 in (3) suddenly:3 distilled water and alcohol mixeding liquid is washed.
4. a kind of illumination sintering processing method of transparent conductive film according to claim 1, which is characterized in that the step
Suddenly the spray equipment in (5) uses automatic spray gun.
5. a kind of illumination sintering processing method of transparent conductive film according to claim 1, which is characterized in that the step
Suddenly the light source in (6) is xenon lamp source.
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| CN201810472448.1A CN108648857A (en) | 2018-05-17 | 2018-05-17 | A kind of illumination sintering processing method of transparent conductive film |
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| CN201810472448.1A CN108648857A (en) | 2018-05-17 | 2018-05-17 | A kind of illumination sintering processing method of transparent conductive film |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683215A (en) * | 2018-12-12 | 2019-04-26 | 深圳市赛菲鹿鸣科技有限公司 | A kind of optical film and its production technology |
| CN112118670A (en) * | 2020-09-01 | 2020-12-22 | 安徽美邦树脂科技有限公司 | Transparent flexible PVB composite structure high-frequency transmission line and preparation method thereof |
| CN112185608A (en) * | 2020-10-28 | 2021-01-05 | 碳星科技(天津)有限公司 | Novel flexible transparent electrode with double-layer conductive network structure and preparation method thereof |
| CN114822920A (en) * | 2022-04-15 | 2022-07-29 | 哈尔滨工业大学（深圳） | Composite material and preparation method and application thereof |
| CN116178886A (en) * | 2022-11-17 | 2023-05-30 | 湘潭大学 | Method for depositing semiconductor carbon nano tube film by utilizing light-driven polymer and semiconductor carbon nano tube film |
-
2018
- 2018-05-17 CN CN201810472448.1A patent/CN108648857A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683215A (en) * | 2018-12-12 | 2019-04-26 | 深圳市赛菲鹿鸣科技有限公司 | A kind of optical film and its production technology |
| CN112118670A (en) * | 2020-09-01 | 2020-12-22 | 安徽美邦树脂科技有限公司 | Transparent flexible PVB composite structure high-frequency transmission line and preparation method thereof |
| CN112185608A (en) * | 2020-10-28 | 2021-01-05 | 碳星科技(天津)有限公司 | Novel flexible transparent electrode with double-layer conductive network structure and preparation method thereof |
| CN112185608B (en) * | 2020-10-28 | 2021-11-30 | 碳星科技(天津)有限公司 | Novel flexible transparent electrode with double-layer conductive network structure and preparation method thereof |
| CN114822920A (en) * | 2022-04-15 | 2022-07-29 | 哈尔滨工业大学（深圳） | Composite material and preparation method and application thereof |
| CN114822920B (en) * | 2022-04-15 | 2024-04-26 | 哈尔滨工业大学（深圳） | Composite material, preparation method and application thereof |
| CN116178886A (en) * | 2022-11-17 | 2023-05-30 | 湘潭大学 | Method for depositing semiconductor carbon nano tube film by utilizing light-driven polymer and semiconductor carbon nano tube film |
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Application publication date: 20181012 |