CN104299722B - A kind of method that utilization solwution method improves nano silver wire transparent conductive film electric conductivity - Google Patents
A kind of method that utilization solwution method improves nano silver wire transparent conductive film electric conductivity Download PDFInfo
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Abstract
The invention discloses a kind of method that utilization solwution method improves nano silver wire transparent conductive film electric conductivity.The nano silver wire transparent conductive film that the present invention will have been prepared soaks certain hour in being put into certain density sodium borohydride solution, after cleaning, nano silver wire transparent conductive film is put into certain density halide solution and soaks certain hour, after cleaning, dried up with hair-dryer, you can realize the raising of nano silver wire transparent conductive film electric conductivity.The inventive method is simple to operate, low cost, can be used to mass produce.
Description
Technical field
The present invention relates to a kind of method for improving nano silver wire transparent conductive film electric conductivity, and in particular to one kind is using molten
The method that liquid method improves nano silver wire transparent conductive film electric conductivity.
Background technology
Nano silver wire transparent conductive film has been got more and more people's extensive concerning due to its excellent performance in recent years.Yin Na
The characteristics of rice noodles transparent conductive film, has：Transparent conductivity is high, muted color, and mist degree is low, not yellowing (b* values are low), is not readily apparent electricity
Pole figure case, resistance to bend(ing) is good, and rub resistance is high, and thread pattern etc. can be formed by lithography process.Japan's description printing and east
Beautiful processing film company in priority in 2011 by nano silver wire transparent conductive film commercialization, but nano silver wire electrically conducting transparent is thin
Film still suffers from a lot of problems in use, for example while nano silver wire transparent conductive film electric conductivity is improved often
Cause the decline of transmitance, therefore electric conductivity is improved on the premise of transmitance is ensured and be particularly important.At present frequently with
Improve the method that the method for nano silver wire transparent conductive film electric conductivity has heat treating process and mechanical pressure.Heat treatment method is uncomfortable
For the flexible substrate of some non-refractories, machinery pressure force method is not suitable for the frangible substrate such as glass, and heat treating process pair
The reduction of glass resistor is very limited, and machinery pressure force method pressure easily occur uneven, so as to cause film uneven, machine in addition
Tool pressure application easily causes the transfer of nano silver wire.Therefore finding other effectively reduces nano silver wire transparent conductive film resistance
Method be very important.The report in terms of using solwution method to improve nano silver wire transparent conductive film electric conductivity is there is no at present
Road.
The content of the invention
It is an object of the invention to provide the side that a kind of utilization solwution method improves nano silver wire transparent conductive film electric conductivity
Method.The present invention is that one kind uses solwution method, is improved by soaking nano silver wire transparent conductive film certain hour in the solution
The method of nano silver wire transparent conductive film electric conductivity, and simple to operate, low cost, can be used to mass produce.
To achieve the above object, the present invention is as follows using technical scheme：
A kind of method that utilization solwution method improves nano silver wire transparent conductive film electric conductivity, comprises the following steps：
(1) 0.25g sodium borohydrides are taken to be dissolved in 100g water；
(2) 3g halide is taken to be dissolved in 50g water.
(3) the nano silver wire transparent conductive film that will be prepared soaks in sodium borohydride solution obtained in step (1)
30s, is rinsed well and is dried up after taking-up with deionized water；
(4) the nano silver wire transparent conductive film of step (3) treatment is put into solution obtained in step (2) and soaks 10s,
Rinsed well and dried up with deionized water after taking-up.
Methods described is applied to the nano silver wire transparent conductive film prepared on various substrates, and the substrate includes various glass
Glass, polymethyl methacrylate, poly terephthalic acid class plastics, polyethylene, the silica gel of various models, various paper, various cloth etc..
In methods described, can first be processed with sodium borohydride solution and be processed with halide solution again, it is also possible to first use halogenation
The treatment of thing solution is processed with sodium borohydride solution again, or is only processed with sodium borohydride solution, it is also possible to only use halide solution
Treatment.
The concentration of the sodium borohydride solution is not limited to certain concentration, and the concentration of sodium borohydride solution is bigger, required
Process time is shorter, and the concentration of sodium borohydride solution is smaller, and required process time is more long.
Can dry up and can not also dry up after the sodium borohydride solution treatment nano silver wire transparent conductive film and cleaning
It is directly placed into halide solution and is processed.
Described halide include potassium chloride, sodium chloride, magnesium chloride, calcium chloride, zinc chloride, frerrous chloride, stannous chloride,
Four chlorination alkene, hydrochloric acid, KBr, sodium bromide, calcium bromide, magnesium bromide, zinc bromide, ferrous bromide, stannic bromide, hydrobromic acid etc..
The concentration of the halide solution nor be limited to certain concentration, solution concentration is bigger, the time required for reaction
Shorter, solution concentration is smaller, and the time required for reaction is more long.
Beneficial effect of the present invention：
The present invention improves nano silver wire by soaking nano silver wire transparent conductive film certain hour in certain solution
The method of transparent conductive film electric conductivity, it is not necessary to expensive experimental facilities, certain hour, cleaning are being soaked using certain solution
After nano silver wire transparent conductive film, dried up using hair-dryer, you can realize carrying for nano silver wire transparent conductive film electric conductivity
Height, and simple to operate, low cost, can be used to mass produce.
Brief description of the drawings
Fig. 1 is experimentation schematic diagram of the present invention.
Fig. 2 is the influence figure after sodium borohydride and potassium chloride treatment to optical data；Wherein, transverse axis post processing：1 represents
Nano silver wire transparent conductive film without treatment, 2 represent film 30s in 0.25% sodium borohydride treatment 1, and 3 represent 6% potassium chloride
Film 10s in treatment 2,4 represent film 10s in 6% potassium chloride treatment 3.
Fig. 3 is the influence figure to electrical data after potassium chloride is processed；Wherein, transverse axis post processing：1 represents 0.25% hydroboration
Nano silver wire transparent conductive film after sodium treatment 30s, 2 represent film 10s in 6% potassium chloride treatment 1, and 3 represent 6% potassium chloride
Film 10s in treatment 2.
Fig. 4 is the influence figure after sodium borohydride and sodium chloride treatment to optical data；Wherein, transverse axis post processing：1 represents
Nano silver wire transparent conductive film without treatment, 2 represent film 30s in 0.25% sodium borohydride treatment 1, and 3 represent 6% sodium chloride
Film 10s in treatment 2,4 represent film 10s in 6% sodium chloride treatment 3.
Fig. 5 is the influence figure to electrical data after sodium chloride is processed；Wherein, transverse axis post processing：1 represents 0.25% hydroboration
Nano silver wire transparent conductive film after sodium treatment 30s, 2 represent film 10s in 6% sodium chloride treatment 1, and 3 represent 6% sodium chloride
Film 10s in treatment 2.
Fig. 6 is the influence figure after sodium borohydride and butter of tin treatment to optical data；Wherein, transverse axis post processing：1 generation
Nano silver wire transparent conductive film of the table without treatment, 2 represent film 30s in 0.25% sodium borohydride treatment 1, and 3 represent 6% tetrachloro
Change film 10s in tin treatment 2,4 represent film 10s in 6% butter of tin treatment 3.
Fig. 7 is the influence figure to electrical data after butter of tin is processed；Wherein, transverse axis post processing：1 represents 0.25% boron hydrogen
Change the nano silver wire transparent conductive film after sodium treatment 30s, 2 represent film 10s in 6% butter of tin treatment 1, and 3 represent 6% 4
Film 10s in stannic chloride treatment 2.
Fig. 8 is the influence figure after sodium borohydride and KBr treatment to optical data；Wherein, transverse axis post processing：1 represents
Nano silver wire transparent conductive film without treatment, 2 represent film 30s in 0.25% sodium borohydride treatment 1, and 3 represent 6% KBr
Film 10s in treatment 2,4 represent film 10s in 6% KBr treatment 3.
Fig. 9 is the influence figure to electrical data after KBr is processed；Wherein, transverse axis post processing：1 represents 0.25% hydroboration
Nano silver wire transparent conductive film after sodium treatment 30s, 2 represent film 10s in 6% KBr treatment 1, and 3 represent 6% KBr
Film 10s in treatment 2.
Figure 10 is the influence figure after sodium borohydride and magnesium chloride treatment to optical data；Wherein, transverse axis post processing：1 generation
Nano silver wire transparent conductive film of the table without treatment, 2 represent film 30s in 0.25% sodium borohydride treatment 1, and 3 represent 6% chlorination
Film 10s in magnesium treatment 2,4 represent film 10s in 6% magnesium chloride treatment 3.
Figure 11 is the influence figure to electrical data after magnesium chloride is processed；Wherein, transverse axis post processing：1 represents 0.25% boron hydrogen
Change the nano silver wire transparent conductive film after sodium treatment 30s, 2 represent film 10s in 6% magnesium chloride treatment 1, and 3 represent 6% chlorination
Film 10s in magnesium treatment 2.
Figure 12 is the influence figure after sodium borohydride and zinc chloride treatment to optical data；Wherein, transverse axis post processing：1 generation
Nano silver wire transparent conductive film of the table without treatment, 2 represent film 30s in 0.25% sodium borohydride treatment 1, and 3 represent 6% chlorination
Film 10s in zinc treatment 2,4 represent film 10s in 6% zinc chloride treatment 3.
Figure 13 is the influence figure to electrical data after zinc chloride is processed；Wherein, transverse axis post processing：1 represents 0.25% boron hydrogen
Change the nano silver wire transparent conductive film after sodium treatment 30s, 2 represent film 10s in 6% zinc chloride treatment 1, and 3 represent 6% chlorination
Film 10s in zinc treatment 2.
Figure 14 is the electrical data influence figure of sodium borohydride solution and the reverse sequential processes of butter of tin solution；Wherein, it is horizontal
Axle is post-processed：1 represents the nano silver wire transparent conductive film after 0.25% sodium borohydride treatment 30s.Solid line 2 represents 0.25% boron
Sodium hydride processes 30s, and 3 represent 6%SnCl4 treatment 10s；Dotted line 2 represents 6% butter of tin treatment 10s, and 3 represent 0.25% boron
Sodium hydride processes 30s.
Specific embodiment
With reference to specific embodiment, the present invention will be described in detail.
Embodiment 1：
1st, 0.25g sodium borohydrides (NaBH is taken4) be dissolved in 100g water.
2nd, 3g potassium chloride (KCl) is taken to be dissolved in 50g water.
3rd, the nano silver wire transparent conductive film that will be prepared soaks 30s in the sodium borohydride solution of step 1, after taking-up
Rinsed well with deionized water and dried up.
4th, the nano silver wire transparent conductive film in step 3 is put into the solution of step 2 and soaks 10s, spent after taking-up
Ionized water is rinsed well and dried up.
Embodiment 2：
1st, 0.25g sodium borohydrides (NaBH is taken4) be dissolved in 100g water.
2nd, 3g sodium chloride (NaCl) is taken to be dissolved in 50g water.
3rd, the nano silver wire transparent conductive film that will be prepared soaks 30s in the sodium borohydride solution of step 1, after taking-up
Rinsed well with deionized water and dried up.
4th, the nano silver wire transparent conductive film in step 3 is put into the solution of step 2 and soaks 10s, spent after taking-up
Ionized water is rinsed well and dried up.
Embodiment 3：
1st, 0.25g sodium borohydrides (NaBH is taken4) be dissolved in 100g water.
2nd, 3g butters of tin (SnCl is taken4) be dissolved in 50g water.
3rd, the nano silver wire transparent conductive film that will be prepared soaks 30s in the sodium borohydride solution of step 1, after taking-up
Rinsed well with deionized water and dried up.
4th, the nano silver wire transparent conductive film in step 3 is put into the solution of step 2 and soaks 10s, spent after taking-up
Ionized water is rinsed well and dried up.
Embodiment 4：
1st, 0.25g sodium borohydrides (NaBH is taken4) be dissolved in 100g water.
2nd, 3g KBrs (KBr) are taken to be dissolved in 50g water.
3rd, the nano silver wire transparent conductive film that will be prepared soaks 30s in the sodium borohydride solution of step 1, after taking-up
Rinsed well with deionized water and dried up.
4th, the nano silver wire transparent conductive film in step 3 is put into the solution of step 2 and soaks 10s, spent after taking-up
Ionized water is rinsed well and dried up.
Embodiment 5：
1st, 0.25g sodium borohydrides (NaBH is taken4) be dissolved in 100g water.
2nd, 3g magnesium chlorides (MgCl is taken2) be dissolved in 50g water.
3rd, the nano silver wire transparent conductive film that will be prepared soaks 30s in the sodium borohydride solution of step 1, after taking-up
Rinsed well with deionized water and dried up.
4th, the nano silver wire transparent conductive film in step 3 is put into the solution of step 2 and soaks 10s, spent after taking-up
Ionized water is rinsed well and dried up.
Embodiment 6：
1st, 0.25g sodium borohydrides (NaBH is taken4) be dissolved in 100g water.
2nd, 3g zinc chloride (ZnCl is taken2) be dissolved in 50g water.
3rd, the nano silver wire transparent conductive film that will be prepared soaks 30s in the sodium borohydride solution of step 1, after taking-up
Rinsed well with deionized water and dried up.
4th, the nano silver wire transparent conductive film in step 3 is put into the solution of step 2 and soaks 10s, spent after taking-up
Ionized water is rinsed well and dried up.
Table 1：The change of electricity average value and variance after sodium borohydride before processing
Note：Here the step of sodium borohydride that sample 1-6 is corresponded in case study on implementation 1-6 respectively is processed.
As seen from the above table, sodium borohydride solution treatment can reduce resistance and improve the uniformity of film.
Claims (4)
1. a kind of method that utilization solwution method improves nano silver wire transparent conductive film electric conductivity, it is characterised in that including following step
Suddenly：
（1）0.25g sodium borohydrides are taken to be dissolved in 100g water；
（2）3g halide is taken to be dissolved in 50g water；
（3）The nano silver wire transparent conductive film that will be prepared is in step（1）30s is soaked in obtained sodium borohydride solution, is taken
Rinsed well and dried up with deionized water after going out；
（4）By step（3）The nano silver wire transparent conductive film for the treatment of is put into step（2）10s is soaked in obtained solution, is taken out
Rinsed well with deionized water and dried up afterwards.
2. the method that a kind of utilization solwution method according to claim 1 improves nano silver wire transparent conductive film electric conductivity,
It is characterized in that：Methods described is applied to the nano silver wire transparent conductive film prepared on various substrates, and the substrate includes poly-
Methyl methacrylate, poly terephthalic acid class plastics, polyethylene, the silica gel of various models, various paper, various cloth.
3. the method that a kind of utilization solwution method according to claim 1 improves nano silver wire transparent conductive film electric conductivity,
It is characterized in that：The nano silver wire transparent conductive film processed through sodium borohydride solution, through over cleaning after, then be directly placed into
Processed in halide solution.
4. the method that a kind of utilization solwution method according to claim 1 improves nano silver wire transparent conductive film electric conductivity,
It is characterized in that：Described halide includes potassium chloride, sodium chloride, magnesium chloride, calcium chloride, zinc chloride, frerrous chloride, protochloride
Tin, butter of tin, KBr, sodium bromide, calcium bromide, magnesium bromide, zinc bromide, ferrous bromide, stannic bromide.
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| CN107331445A (en) * | 2017-07-11 | 2017-11-07 | 湖南大学 | A kind of method of the electric conductivity and inoxidizability of modified nano silver wire nesa coating and raising nano silver wire nesa coating |
| CN108376587A (en) * | 2018-03-07 | 2018-08-07 | 重庆文理学院 | A kind of high-performance stablizes the preparation method of copper nano-wire flexible transparent conductive film |
| CN109805453B (en) * | 2019-03-11 | 2022-07-26 | 南京银纳新材料科技有限公司 | Manufacturing method of electronic cigarette heating assembly based on metal nanowires |
| CN110299222B (en) * | 2019-07-29 | 2020-09-18 | 中国工程物理研究院应用电子学研究所 | Visible light transparent conductive film and preparation method thereof |
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| EP1962348A2 (en) * | 2005-08-12 | 2008-08-27 | Cambrios Technologies Corporation | Nanowires-based transparent conductors |
| CN101971354A (en) * | 2007-04-20 | 2011-02-09 | 凯博瑞奥斯技术公司 | High contrast transparent conductors and methods of forming the same |
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| CN103781559A (en) * | 2011-09-07 | 2014-05-07 | 富士胶片株式会社 | Method for manufacturing coating material containing ribbon shaped filler |
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| US9920207B2 (en) * | 2012-06-22 | 2018-03-20 | C3Nano Inc. | Metal nanostructured networks and transparent conductive material |
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Patent Citations (4)
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|---|---|---|---|---|
| EP1962348A2 (en) * | 2005-08-12 | 2008-08-27 | Cambrios Technologies Corporation | Nanowires-based transparent conductors |
| CN101971354A (en) * | 2007-04-20 | 2011-02-09 | 凯博瑞奥斯技术公司 | High contrast transparent conductors and methods of forming the same |
| 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 |
| CN103781559A (en) * | 2011-09-07 | 2014-05-07 | 富士胶片株式会社 | Method for manufacturing coating material containing ribbon shaped filler |
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