CN104376900A - Transparent conducting thin film and preparation method thereof - Google Patents
Transparent conducting thin film and preparation method thereof Download PDFInfo
- Publication number
- CN104376900A CN104376900A CN201410652369.0A CN201410652369A CN104376900A CN 104376900 A CN104376900 A CN 104376900A CN 201410652369 A CN201410652369 A CN 201410652369A CN 104376900 A CN104376900 A CN 104376900A
- Authority
- CN
- China
- Prior art keywords
- nano silver
- silver wire
- conductive film
- transparent conductive
- deionized water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Abstract
The invention discloses a transparent conducting thin film and a preparation method thereof. The thin film comprises a substrate and silver nanowire conducting layers, wherein the front face and the back face of the substrate are covered with the silver nanowire conducting layers. Each silver nanowire conducting layer is made of silver nanowire suspension liquid. The silver nanowire suspension liquid comprises silver nitrate, potassium sulfate, antistatic agents, lubricating agents, acetone, antifoaming agents, citric acid, polyvinylpyrrolidone and deionized water. The preparation method comprises the following steps that the substrate is selected, cleaned through ethyl alcohol, rinsed through the deionized water and dried for standby application; the silver nitrate, the potassium sulfate, the antistatic agents, the lubricating agents, the acetone, the citric acid, the polyvinylpyrrolidone and the deionized water are mixed, stirred and heated, heat preservation is conducted, the antifoaming agents are added, and silver nanowire sediment is obtained through centrifugation; the silver nanowire sediment is dissolved in the deionized water and stirred to obtain the silver nanowire suspension liquid; the substrate is coated with the silver nanowire suspension liquid in a sprayed mode, and the transparent conducting thin film is obtained after heating. The thin film is good in conductivity and high in transparency.
Description
Technical field
The present invention relates to conductive film field, be specifically related to a kind of transparent conductive film and preparation method thereof.
Background technology
Along with the fast development of electronics industry and networking industry, the product of electronic apparatus class is gradually to intelligent, lightening development.Employing touch-screen realizes the artificial intelligence mode that human-computer dialogue becomes main, and therefore the consumption of touch-screen and nesa coating used thereof expands rapidly.The development of touch screen technology, requires that transparent conductive film possesses flexibility, high permeability and low resistance future development, frequently to regenerate the electronic pollution caused to reduce electronic product.So, need the conductive film researching and developing a kind of good combination property.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of transparent conductive film and preparation method thereof, transparency is high, good conductivity.
For solving prior art problem, the technical scheme that the present invention takes is:
A kind of transparent conductive film, comprise substrate and cover the double-edged nano silver wire conductive layer of substrate, described nano silver wire conductive layer is made up of nano silver wire suspension-turbid liquid, and described nano silver wire suspension-turbid liquid comprises following raw material: silver nitrate 20-28 part, potassium sulfate 8-12 part, antistatic agent 1-5 part, lubricant 0.2-0.8 part, acetone 2-6 part, defoamer 0.02-0.06 part, citric acid 5-8 part, polyvinylpyrrolidone 18-24 part, deionized water 30-40 part.
Preferred as transparent conductive film, described nano silver wire suspension-turbid liquid comprises following raw material: silver nitrate 24-26 part, potassium sulfate 9-11 part, antistatic agent 2-4 part, lubricant 0.4-0.6 part, acetone 3-5 part, defoamer 0.03-0.05 part, citric acid 5-7 part, polyvinylpyrrolidone 20-22 part, deionized water 35-38 part.
Preferred as transparent conductive film, the thickness of described nano silver wire conductive layer is 50-100 micron.
Preferred as transparent conductive film, the nano silver wire length of described nano silver wire conductive layer is 20-45 micron.
The preparation method of above-mentioned transparent conductive film, comprises the following steps:
Step 1, selects substrate, uses deionized water rinsing 2-4 time again with after ethanol purge, dries, for subsequent use;
Step 2, after silver nitrate, potassium sulfate, antistatic agent, lubricant, acetone, citric acid, polyvinylpyrrolidone, deionized water mixing, stir and be heated to 40-55 DEG C, then being incubated 20-30 minute, add defoamer, centrifugal 3-5 minute obtains nano silver wire sediment;
Step 3, by nano silver wire precipitate dissolves in deionized water, stirs to obtain nano silver wire suspension-turbid liquid;
Step 4, adopts spraying method to be applied on substrate by nano silver wire suspension-turbid liquid, heats 2-6 minute to obtain transparent conductive film.
As preparation method preferred of above-mentioned transparent conductive film, step 2, mixing speed is 200-400rpm, centrifugal speed 5000-8000rpm.
As preparation method preferred of above-mentioned transparent conductive film, step 4, heating-up temperature is 60-80 DEG C.
As preparation method preferred of above-mentioned transparent conductive film, step 4, also comprises and transparent membrane is preserved 30-40 minute at-4 DEG C.
beneficial effect
The light transmission rate of transparent conductive film of the present invention reaches 79%, and square resistance reduces to 258.2 Ω/sq, and hot shortness is good, improves the application of film.
Embodiment
embodiment 1
A kind of transparent conductive film, comprise substrate and cover the double-edged 50 microns of nano silver wire conductive layers of substrate, described nano silver wire conductive layer is made up of nano silver wire suspension-turbid liquid, wherein nano silver wire length is 20 microns, and described nano silver wire suspension-turbid liquid comprises following raw material: silver nitrate 20 parts, potassium sulfate 8 parts, 1 part, antistatic agent, lubricant 0.2 part, 2 parts, acetone, defoamer 0.02 part, citric acid 5 parts, polyvinylpyrrolidone 18 parts, deionized water 30 parts.
The preparation method of above-mentioned transparent conductive film, comprises the following steps:
Step 1, selects substrate, with using deionized water rinsing after ethanol purge again 2 times, dries, for subsequent use;
Step 2, after silver nitrate, potassium sulfate, antistatic agent, lubricant, acetone, citric acid, polyvinylpyrrolidone, deionized water mixing, stir with 200rpm and be heated to 40 DEG C, then being incubated 20 minutes, add defoamer, within centrifugal 3 minutes, obtain nano silver wire sediment with 5000rpm;
Step 3, by nano silver wire precipitate dissolves in deionized water, stirs to obtain nano silver wire suspension-turbid liquid;
Step 4, adopts spraying method to be applied on substrate by nano silver wire suspension-turbid liquid, heats 2 minutes, and temperature is 60 DEG C and obtains transparent conductive film.
embodiment 2
A kind of transparent conductive film, comprise substrate and cover the double-edged 68 microns of nano silver wire conductive layers of substrate, described nano silver wire conductive layer is made up of nano silver wire suspension-turbid liquid, and wherein nano silver wire length is that 25 microns of described nano silver wire suspension-turbid liquids comprise following raw material: silver nitrate 24 parts, potassium sulfate 9 parts, 2 parts, antistatic agent, lubricant 0.4 part, 3 parts, acetone, defoamer 0.03 part, citric acid 5 parts, polyvinylpyrrolidone 20 parts, deionized water 35 parts.
The preparation method of above-mentioned transparent conductive film, comprises the following steps:
Step 1, selects substrate, with using deionized water rinsing after ethanol purge again 3 times, dries, for subsequent use;
Step 2, after silver nitrate, potassium sulfate, antistatic agent, lubricant, acetone, citric acid, polyvinylpyrrolidone, deionized water mixing, stir with 250rpm and be heated to 45 DEG C, then being incubated 25 minutes, add defoamer, within centrifugal 4 minutes, obtain nano silver wire sediment with 6000rpm;
Step 3, by nano silver wire precipitate dissolves in deionized water, stirs to obtain nano silver wire suspension-turbid liquid;
Step 4, adopt spraying method to be applied on substrate by nano silver wire suspension-turbid liquid, heat 3 minutes, temperature is 65 DEG C, then preserves 30 minutes to obtain transparent conductive film at-4 DEG C.
embodiment 3
A kind of transparent conductive film, comprise substrate and cover the double-edged 80 microns of nano silver wire conductive layers of substrate, described nano silver wire conductive layer is made up of nano silver wire suspension-turbid liquid, wherein nano silver wire length is 38 microns, and described nano silver wire suspension-turbid liquid comprises following raw material: silver nitrate 24-26 part, potassium sulfate 9-11 part, antistatic agent 2-4 part, lubricant 0.4-0.6 part, acetone 3-5 part, defoamer 0.03-0.05 part, citric acid 5-7 part, polyvinylpyrrolidone 20-22 part, deionized water 35-38 part.
The preparation method of above-mentioned transparent conductive film, comprises the following steps:
Step 1, selects substrate, with using deionized water rinsing after ethanol purge again 4 times, dries, for subsequent use;
Step 2, after silver nitrate, potassium sulfate, antistatic agent, lubricant, acetone, citric acid, polyvinylpyrrolidone, deionized water mixing, stir with 320rpm and be heated to 50 DEG C, then being incubated 28 minutes, add defoamer, within centrifugal 5 minutes, obtain nano silver wire sediment with 7000rpm;
Step 3, by nano silver wire precipitate dissolves in deionized water, stirs to obtain nano silver wire suspension-turbid liquid;
Step 4, adopt spraying method to be applied on substrate by nano silver wire suspension-turbid liquid, heat 5 minutes, temperature is 72 DEG C, then preserves 35 minutes to obtain transparent conductive film at-4 DEG C.
embodiment 4
A kind of transparent conductive film, comprise substrate and cover the double-edged 100 microns of nano silver wire conductive layers of substrate, described nano silver wire conductive layer is made up of nano silver wire suspension-turbid liquid, wherein nano silver wire length is 45 microns, and described nano silver wire suspension-turbid liquid comprises following raw material: silver nitrate 20 parts, potassium sulfate 8 parts, 1 part, antistatic agent, lubricant 0.2 part, 2 parts, acetone, defoamer 0.02 part, citric acid 5 parts, polyvinylpyrrolidone 18 parts, deionized water 30 parts.
The preparation method of above-mentioned transparent conductive film, comprises the following steps:
Step 1, selects substrate, with using deionized water rinsing after ethanol purge again 4 times, dries, for subsequent use;
Step 2, after silver nitrate, potassium sulfate, antistatic agent, lubricant, acetone, citric acid, polyvinylpyrrolidone, deionized water mixing, 400rpm stirs and is heated to 55 DEG C, then is incubated 30 minutes, add defoamer, 8000rpm obtains nano silver wire sediment in centrifugal 5 minutes;
Step 3, by nano silver wire precipitate dissolves in deionized water, stirs to obtain nano silver wire suspension-turbid liquid;
Step 4, adopt spraying method to be applied on substrate by nano silver wire suspension-turbid liquid, heat 6 minutes, temperature is 80 DEG C, then preserves 40 minutes to obtain transparent conductive film at-4 DEG C.
comparative example 1
A kind of transparent conductive film, comprise substrate and cover the double-edged 50 microns of nano silver wire conductive layers of substrate, described nano silver wire conductive layer is made up of nano silver wire suspension-turbid liquid, wherein nano silver wire length is 20 microns, and described nano silver wire suspension-turbid liquid comprises following raw material: silver nitrate 20 parts, potassium sulfate 8 parts, 1 part, antistatic agent, lubricant 0.2 part, 2 parts, acetone, defoamer 0.02 part, polyvinylpyrrolidone 18 parts, deionized water 30 parts.
The preparation method of above-mentioned transparent conductive film, comprises the following steps:
Step 1, selects substrate, with using deionized water rinsing after ethanol purge again 2 times, dries, for subsequent use;
Step 2, after silver nitrate, potassium sulfate, antistatic agent, lubricant, acetone, polyvinylpyrrolidone, deionized water mixing, stir with 200rpm and be heated to 40 DEG C, then being incubated 20 minutes, add defoamer, within centrifugal 3 minutes, obtain nano silver wire sediment with 5000rpm;
Step 3, by nano silver wire precipitate dissolves in deionized water, stirs to obtain nano silver wire suspension-turbid liquid;
Step 4, adopts spraying method to be applied on substrate by nano silver wire suspension-turbid liquid, heats 2 minutes, and temperature is 60 DEG C and obtains transparent conductive film.
comparative example 2
A kind of transparent conductive film, comprise substrate and cover the double-edged 50 microns of nano silver wire conductive layers of substrate, described nano silver wire conductive layer is made up of nano silver wire suspension-turbid liquid, wherein nano silver wire length is 20 microns, and described nano silver wire suspension-turbid liquid comprises following raw material: silver nitrate 20 parts, potassium sulfate 8 parts, 1 part, antistatic agent, lubricant 0.2 part, 2 parts, acetone, defoamer 0.02 part, citric acid 5 parts, polyvinylpyrrolidone 18 parts, deionized water 30 parts.
The preparation method of above-mentioned transparent conductive film, comprises the following steps:
Step 1, selects substrate, with using deionized water rinsing after ethanol purge again 2 times, dries, for subsequent use;
Step 2, after silver nitrate, potassium sulfate, antistatic agent, lubricant, acetone, citric acid, polyvinylpyrrolidone, deionized water mixing, stir with 200rpm and be heated to 40 DEG C, then being incubated 20 minutes, add defoamer, within centrifugal 3 minutes, obtain nano silver wire sediment with 5000rpm;
Step 3, by nano silver wire precipitate dissolves in deionized water, stirs to obtain nano silver wire suspension-turbid liquid;
Step 4, adopts spraying method to be applied to by nano silver wire suspension-turbid liquid on substrate and obtains transparent conductive film.
performance test
The conductive film of the present invention and comparative example is carried out the test of the performances such as electrical conductivity, heat-resisting, stretch-proof, the data obtained is as follows, and detection method is Standard step.
As can be seen from upper table data, the transparency of transparent conductive film of the present invention is high, square resistance is little, heat-resisting, by comparing embodiment 1 and comparative example 1 known, citric acid add the homogeneity that improve nano silver wire suspension-turbid liquid, improve the performance of film, embodiment 1 has been compared a step many than comparative example 2 and has been heated into transparent conductive film, improves the thermal endurance of film.
Claims (8)
1. a transparent conductive film, comprise substrate and cover the double-edged nano silver wire conductive layer of substrate, it is characterized in that: described nano silver wire conductive layer is made up of nano silver wire suspension-turbid liquid, described nano silver wire suspension-turbid liquid comprises following raw material: silver nitrate 20-28 part, potassium sulfate 8-12 part, antistatic agent 1-5 part, lubricant 0.2-0.8 part, acetone 2-6 part, defoamer 0.02-0.06 part, citric acid 5-8 part, polyvinylpyrrolidone 18-24 part, deionized water 30-40 part.
2. transparent conductive film according to claim 1, it is characterized in that, described nano silver wire suspension-turbid liquid comprises following raw material: silver nitrate 24-26 part, potassium sulfate 9-11 part, antistatic agent 2-4 part, lubricant 0.4-0.6 part, acetone 3-5 part, defoamer 0.03-0.05 part, citric acid 5-7 part, polyvinylpyrrolidone 20-22 part, deionized water 35-38 part.
3. transparent conductive film according to claim 1, is characterized in that: the thickness of described nano silver wire conductive layer is 50-100 micron.
4. transparent conductive film according to claim 1, is characterized in that: the nano silver wire length of described nano silver wire conductive layer is 20-45 micron.
5. the preparation method of transparent conductive film according to claim 1, is characterized in that, comprises the following steps:
Step 1, selects substrate, uses deionized water rinsing 2-4 time again with after ethanol purge, dries, for subsequent use;
Step 2, after silver nitrate, potassium sulfate, antistatic agent, lubricant, acetone, citric acid, polyvinylpyrrolidone, deionized water mixing, stir and be heated to 40-55 DEG C, then being incubated 20-30 minute, add defoamer, centrifugal 3-5 minute obtains nano silver wire sediment;
Step 3, by nano silver wire precipitate dissolves in deionized water, stirs to obtain nano silver wire suspension-turbid liquid;
Step 4, adopts spraying method to be applied on substrate by nano silver wire suspension-turbid liquid, heats 2-6 minute to obtain transparent conductive film.
6. the preparation method of transparent conductive film according to claim 5, is characterized in that: step 2, and mixing speed is 200-400rpm, centrifugal speed 5000-8000rpm.
7. the preparation method of transparent conductive film according to claim 5, is characterized in that: step 4, and heating-up temperature is 60-80 DEG C.
8. the preparation method of transparent conductive film according to claim 5, is characterized in that: step 4, also comprises and transparent membrane is preserved 30-40 minute at-4 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410652369.0A CN104376900A (en) | 2014-11-18 | 2014-11-18 | Transparent conducting thin film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410652369.0A CN104376900A (en) | 2014-11-18 | 2014-11-18 | Transparent conducting thin film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104376900A true CN104376900A (en) | 2015-02-25 |
Family
ID=52555758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410652369.0A Withdrawn CN104376900A (en) | 2014-11-18 | 2014-11-18 | Transparent conducting thin film and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104376900A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449390A (en) * | 2016-11-15 | 2017-02-22 | 华中科技大学 | A method and apparatus reducing the resistance of metal micrometer wire and/or nanowire network electrodes |
| CN107921543A (en) * | 2015-08-12 | 2018-04-17 | LS-Nikko铜制炼株式会社 | The manufacture method of high temperature sintering type conductive paste silver powder |
| CN112127159A (en) * | 2020-08-21 | 2020-12-25 | 盐城工学院 | Silver nanowire anti-electromagnetic fabric and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050056118A1 (en) * | 2002-12-09 | 2005-03-17 | Younan Xia | Methods of nanostructure formation and shape selection |
| CN102423808A (en) * | 2011-12-14 | 2012-04-25 | 天津工业大学 | Quick high concentration synthesizing method of silver nanometer line |
| CN102725085A (en) * | 2009-12-24 | 2012-10-10 | 富士胶片株式会社 | Metal nanowires, method for producing same, transparent conductor and touch panel |
| CN103965674A (en) * | 2014-05-23 | 2014-08-06 | 苏州斯迪克新材料科技股份有限公司 | Nano silver conductive coating |
| CN104064282A (en) * | 2014-04-30 | 2014-09-24 | 天津宝兴威科技有限公司 | Production method for high-transmittance transparent rigid nanocrystalline metal conductive films |
-
2014
- 2014-11-18 CN CN201410652369.0A patent/CN104376900A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050056118A1 (en) * | 2002-12-09 | 2005-03-17 | Younan Xia | Methods of nanostructure formation and shape selection |
| CN102725085A (en) * | 2009-12-24 | 2012-10-10 | 富士胶片株式会社 | Metal nanowires, method for producing same, transparent conductor and touch panel |
| CN102423808A (en) * | 2011-12-14 | 2012-04-25 | 天津工业大学 | Quick high concentration synthesizing method of silver nanometer line |
| CN104064282A (en) * | 2014-04-30 | 2014-09-24 | 天津宝兴威科技有限公司 | Production method for high-transmittance transparent rigid nanocrystalline metal conductive films |
| CN103965674A (en) * | 2014-05-23 | 2014-08-06 | 苏州斯迪克新材料科技股份有限公司 | Nano silver conductive coating |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107921543A (en) * | 2015-08-12 | 2018-04-17 | LS-Nikko铜制炼株式会社 | The manufacture method of high temperature sintering type conductive paste silver powder |
| CN106449390A (en) * | 2016-11-15 | 2017-02-22 | 华中科技大学 | A method and apparatus reducing the resistance of metal micrometer wire and/or nanowire network electrodes |
| CN106449390B (en) * | 2016-11-15 | 2020-05-19 | 华中科技大学 | Method and device for reducing resistance of metal micron wire and/or nano wire network electrode |
| CN112127159A (en) * | 2020-08-21 | 2020-12-25 | 盐城工学院 | Silver nanowire anti-electromagnetic fabric and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104992781B (en) | Preparation method for graphene-based three-element composite material | |
| CN105405492B (en) | Preparation method for flexible transparent conductive thin film with high thermal stability and product thereof | |
| CN105895196B (en) | A kind of novel transparent conductive film and preparation method thereof | |
| CN104376900A (en) | Transparent conducting thin film and preparation method thereof | |
| CN104550996A (en) | Preparation method of nano silver wire and transparent conductive film comprising nano silver wire | |
| CN109734943B (en) | Transparent double-sided antistatic ionization type film and preparation method thereof | |
| CN103617830B (en) | A kind of preparation method of conductive metal film | |
| CN104112544A (en) | Preparation method for silver nano wire transparent conductive film capable of preventing corrosion of hydrogen sulfide gas | |
| CN105542641A (en) | Carbon nanotube antistatic film with strong adhesion, high light transmittance and low surface resistance, and production technology thereof | |
| CN107910128B (en) | Method for improving mechanical property of flexible device by graphene oxide self-assembled composite silver nanowire | |
| CN107705884A (en) | A kind of electrically conducting transparent paper based on nano silver wire and preparation method thereof | |
| CN105552088A (en) | Substrate structure and attachment method and stripping method of flexible substrate thereof | |
| CN204314846U (en) | A kind of flexible touch screen | |
| CN105390183B (en) | Flexible transparent conductive film of graphene-containing and preparation method thereof | |
| CN104813498A (en) | Transparent electrode and associated production method | |
| CN106433398B (en) | Electrically conducting transparent coating composition, touch panel and preparation method thereof, display device | |
| CN108074660B (en) | A kind of composite and flexible transparent conductive film and preparation method thereof | |
| TWI423268B (en) | Soft and transparent conductive film containing silver nanowires and fabrication method thereof | |
| CN104332215A (en) | Preparation method for low specific resistance transparent conducting film | |
| CN104496547B (en) | The preparation method with the matrix of high temperature resistant hydrophobic conductive coating | |
| GB2526311B (en) | Manufacturing a conductive nanowire layer | |
| CN105778432B (en) | The preparation method of transparent anti static film | |
| CN104299721A (en) | Method for improving optical property of metal nanowire transparent conductive film through cleaning treatment | |
| Seki et al. | Development of conductivity of acrylic polymer using ionic liquids incorporated with zinc oxide nanoparticles | |
| Li et al. | Preparation of hollow PPy (HPPy) microspheres via template methods with characterization of properties |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150225 |