CN107574428A - A kind of preparation method of nano silver film - Google Patents
A kind of preparation method of nano silver film Download PDFInfo
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- CN107574428A CN107574428A CN201710693788.2A CN201710693788A CN107574428A CN 107574428 A CN107574428 A CN 107574428A CN 201710693788 A CN201710693788 A CN 201710693788A CN 107574428 A CN107574428 A CN 107574428A
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Abstract
The invention discloses a kind of preparation method of nano silver film; circulation coats silver-colored source and reducing agent on substrate; growth and attachment of the nano silver film on substrate can be completed simultaneously; preparation method is simple; avoid in conventional preparation techniques because first preparing the problem of nano-Ag particles or nano wire are easily being reunited caused by being coated with and drying on substrate again and are being difficult to even spread, it is cheap, with short production cycle and the advantages of suitable for industrialization to possess cost.
Description
Technical field
The present invention relates to membrane electrode technical field, and in particular to a kind of preparation method of nano silver film.
Background technology
Conductive film electrode is component essential in the fields such as touch-screen, solar cell, OLED, LCD, wherein should
With being most widely ITO (tin indium oxide) transparent conductive film.Yet with ito thin film thermal stability is poor, matter it is crisp it is frangible,
The shortcomings of being unlikely to deform, be expensive, ito thin film are gradually substituted by the conductive film of other materials.Nano-silver conductive film
Possesses excellent electric conductivity, preferable light transmittance, cost is cheap and the advantages that easily preparation, can turn into and surmount ITO, preparative
The preferred material of the more preferable conductive film of energy.Tradition prepare nano-silver conductive film method need first to prepare nano-Ag particles or
The suspension of nano-silver thread, then realize coating on substrate and dry that there is complex process, easily reunite, be difficult to even spread
Shortcoming.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of preparation method of nano silver film, can be same on substrate
When complete the reaction growth and attachment of Nano Silver, have that technological process is few, is not easy to reunite and easy the characteristics of realizing even spread.
The technical solution used in the present invention is：
The present invention provides a kind of preparation method of nano silver film, comprises the following steps：
(1) prepare or take a substrate；
(2) circulation coats silver-colored source and reducing agent on the substrate；
(3) it is placed under ultraviolet source and irradiates.
Preferably, each circulation coats silver-colored source and reducing agent as one layer of silver-colored source of coating and 2~5 layers of reducing agent.
Preferably, the circulation is 1~3 circulation.
Preferably, the silver-colored source and reducing agent are coated on the substrate using silk-screen printing technique.Preferably, institute
Reducing agent is stated as polyethylene pyrrole network alkanone, dimethylamine borane.
Preferably, the silver-colored source is any of silver ammino solution, silver nitrate, silver fluoride.
Preferably, the silver-colored source is silver ammino solution.Compared to other silver-colored sources, the nano silver film prepared from silver ammino solution
Performance it is more preferable.
Preferably, the concentration in the silver-colored source is 1~30mmol/L.
Preferably, the reducing agent and the mol ratio in silver-colored source are (10~100)：1.
Preferably, a length of 300~400nm of ultraviolet light wave that ultraviolet source is launched in the step (3).
Preferably, the power of ultraviolet source described in step (3) is 250~350W.
Preferably, it is 30~120min that irradiation time under ultraviolet source is placed in described in step (3).
Preferably, the preparation method of above-mentioned nano silver film is also including step (4)：
After step (3), ethanol and the mixed solution of ultraviolet glue are coated, after ethanol evaporation, is placed in oxygen-free environment neutralization
Ultraviolet adhesive curing is exposed under ultraviolet source.
Further, the ethanol and the volume ratio of the ultraviolet glue are (95~110)：1.
Further, the time irradiated described in step (4) is 20~40s.
Further, a length of 350~450nm of ultraviolet light wave of the transmitting of ultraviolet source described in step (4).
Further, the power of ultraviolet source described in step (4) is 5~10W.
The beneficial effects of the invention are as follows：
The present invention provides a kind of preparation method of nano silver film, exists again without first preparing nano-Ag particles or nano-silver thread
Coating is realized on substrate and is dried, the growth and attachment of Nano Silver can be completed simultaneously on substrate, preparation method is simple, simultaneously
The problem of easily reuniting in conventional preparation techniques and be difficult to even spread is avoided, possesses cheap cost, short preparation period and is applicable
In the industrialization the advantages of.
Embodiment
It is clearly and completely described below with reference to design of the embodiment to the present invention, to be completely understood by the present invention
Purpose, feature and effect.Obviously, described embodiment is the part of the embodiment of the present invention, rather than is all implemented
Example, based on embodiments of the invention, those skilled in the art obtained on the premise of not paying creative work other
Embodiment, belong to the scope of protection of the invention.
Embodiment 1
A substrate is taken, using the technique of silk-screen printing, to coat one layer of concentration on the substrate molten for 30mmol/L silver-colored ammonia
Liquid and 2 strata vinylpyrrolidones, the polyvinylpyrrolidone of coating and the mol ratio of silver ammino solution are 10:1, it is subsequently placed in hair
30min is irradiated under a length of 365nm of ejected wave, the ultraviolet source that power is 300W.Silk-screen printing prepare nano conductive film have into
The advantages that this cheap, favorable reproducibility, raw material saving and short preparation period, traditional silk screen print method prepares nano silver film and needed
The suspension of nano-Ag particles or nano-silver thread is first prepared, then realizes coating on substrate and dries, with complex process, easily
Reuniting, be difficult to the shortcomings that even spread, the present invention is preferential to circulate the silver-colored source of coating and reducing agent using silk screen print method on substrate,
The reaction growth and attachment, the nano silver film prepared that Nano Silver can be completed simultaneously are uniformly not easy to reunite, and have more preferable
Performance.
Embodiment 2
A substrate is taken, using the technique of silk-screen printing, to coat one layer of concentration on the substrate molten for 1mmol/L silver-colored ammonia
Liquid and 5 strata vinylpyrrolidones, the polyvinylpyrrolidone of coating and the mol ratio of silver ammino solution are 100:1, it is subsequently placed in
120min is irradiated under the ultraviolet source that launch wavelength is 300nm, power is 350W.
Embodiment 3
A substrate is taken, using the technique of silk-screen printing, to coat one layer of concentration on the substrate molten for 1mmol/L silver-colored ammonia
Liquid and 2 layers of dimethylamine borane, circulation coating 3 times, the polyvinylpyrrolidone of coating and the mol ratio of silver ammino solution are 30:1, so
It is placed in afterwards under the ultraviolet source that launch wavelength is 400nm, power is 250W and irradiates 30min.
Embodiment 4
A substrate is taken, is circulated on the substrate using the technique of silk-screen printing and coats silver-colored source and reducing agent twice, first
The silver ammino solution and 2 strata vinylpyrrolidones that secondary one layer of concentration of coating is 1mmol/L, being then coated with one layer of concentration is
1mmol/L silver ammino solution and 3 strata vinylpyrrolidones, the polyvinylpyrrolidone of coating and the mol ratio of silver ammino solution are
35:1, it is subsequently placed under the ultraviolet source that launch wavelength is 290nm, power is 310W and irradiates 60min.
Embodiment 5
A substrate is taken, uses the technique of silk-screen printing to coat silver nitrate of the one layer of concentration for 30mmol/L on the substrate
With 2 strata vinylpyrrolidones, the polyvinylpyrrolidone of coating and the mol ratio of silver ammino solution are 10:1, it is subsequently placed in transmitting
30min is irradiated under the ultraviolet source that wavelength is 365nm, power is 300W.Then it is coated with the mixing of one layer of ethanol and ultraviolet glue
The volume ratio of solution, ethanol and ultraviolet glue is 100:1, after ethanol evaporation, be placed in oxygen-free environment and launch wavelength be 395nm,
Power is to irradiate 20s under 5W ultraviolet source.Coating ultraviolet glue can solidify to the nano silver film of generation, make generation
The even closer fitting of Nano Silver, so as to improve its electric conductivity.
Embodiment 6
A substrate is taken, uses the technique of silk-screen printing to coat silver fluoride of the one layer of concentration for 1mmol/L on the substrate
With 5 strata vinylpyrrolidones, the polyvinylpyrrolidone of coating and the mol ratio of silver ammino solution are 100:1, it is subsequently placed in hair
120min is irradiated under a length of 380nm of ejected wave, the ultraviolet source that power is 300W.Then it is coated with the mixed of one layer of ethanol and ultraviolet glue
The volume ratio of conjunction solution, ethanol and ultraviolet glue is 95：1, after ethanol evaporation, be placed in oxygen-free environment and launch wavelength be 350nm,
Power is to irradiate 40s under 10W ultraviolet source.
Embodiment 7
A substrate is taken, using the technique of silk-screen printing, to coat one layer of concentration on the substrate molten for 1mmol/L silver-colored ammonia
Liquid and 2 strata vinylpyrrolidones, circulation coating 3 times, the polyvinylpyrrolidone of coating and the mol ratio of silver ammino solution are 30:
1, it is subsequently placed under the ultraviolet source that launch wavelength is 400nm, power is 250W and irradiates 30min.Being subsequently placed in launch wavelength is
120min is irradiated under 365nm, the ultraviolet source that power is 300W.Then one layer of ethanol and the mixed solution of ultraviolet glue are coated with,
The volume ratio of ethanol and ultraviolet glue is 110：1, after ethanol evaporation, be placed in oxygen-free environment and launch wavelength be 450nm, power be
40s is irradiated under 5W ultraviolet source.
Claims (16)
1. a kind of preparation method of nano silver film, it is characterised in that comprise the following steps：
(1) prepare or take a substrate；
(2) circulation coats silver-colored source and reducing agent on the substrate；
(3) it is placed under ultraviolet source and irradiates.
2. the preparation method of nano silver film according to claim 1, it is characterised in that each circulation coats silver-colored source
It is one layer of silver-colored source of coating and 2~5 layers of reducing agent with reducing agent.
3. the preparation method of nano silver film according to claim 1, it is characterised in that the circulation follows for 1~3
Ring.
4. the preparation method of nano silver film according to claim 1, it is characterised in that the silver-colored source and reducing agent are to adopt
With silk-screen printing technique coated on the substrate.
5. the preparation method of the nano silver film according to claim any one of 1-4, it is characterised in that the reducing agent is
Polyethylene pyrrole network alkanone, dimethylamine borane.
6. the preparation method of the nano silver film according to claim any one of 1-4, it is characterised in that the silver-colored source is silver
Any of ammonia solution, silver nitrate, silver fluoride.
7. the preparation method of the nano silver film according to claim any one of 1-4, it is characterised in that the silver-colored source it is dense
Spend for 1~30mmol/L.
8. the preparation method of the nano silver film according to claim any one of 1-4, it is characterised in that the reducing agent with
The mol ratio in silver-colored source is (10~100)：1.
9. the preparation method of the nano silver film according to claim any one of 1-4, it is characterised in that purple in step (3)
A length of 300~the 400nm of ultraviolet light wave of outer light source transmitting.
10. the preparation method of the nano silver film according to claim any one of 1-4, it is characterised in that institute in step (3)
The power for stating ultraviolet source is 250~350W.
11. the preparation method of the nano silver film according to claim any one of 1-4, it is characterised in that institute in step (3)
It is 30~120min to state and be placed in the time irradiated under ultraviolet source.
12. the preparation method of the nano silver film according to claim any one of 1-4, it is characterised in that also including step
(4) it is：After step (3), ethanol and the mixed solution of ultraviolet glue are coated, after ethanol evaporation, is placed in oxygen-free environment and purple
Ultraviolet adhesive curing is exposed under outer light source.
13. the preparation method of nano silver film according to claim 12, it is characterised in that the ethanol with it is described ultraviolet
The volume ratio of glue is (95~110)：1.
14. the preparation method of nano silver film according to claim 12, it is characterised in that step is irradiated described in (4)
Time be 20~40s.
15. the preparation method of nano silver film according to claim 12, it is characterised in that ultraviolet described in step (4)
A length of 350~the 450nm of ultraviolet light wave of light source transmitting.
16. the preparation method of nano silver film according to claim 12, it is characterised in that ultraviolet described in step (4)
The power of light source is 5~10W.
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| CN201710693788.2A CN107574428B (en) | 2017-08-14 | 2017-08-14 | Preparation method of nano-silver film |
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| CN201710693788.2A CN107574428B (en) | 2017-08-14 | 2017-08-14 | Preparation method of nano-silver film |
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| CN107574428A true CN107574428A (en) | 2018-01-12 |
| CN107574428B CN107574428B (en) | 2020-10-30 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958197A (en) * | 2006-11-16 | 2007-05-09 | 中国科学院长春应用化学研究所 | Method for preparing Nano silver piece |
| US20100051091A1 (en) * | 2008-08-29 | 2010-03-04 | Kwangyeol Lee | Electrode formation based on photo-induced reduction of metal ions in the presence of metal nanomaterials |
| CN101796217A (en) * | 2007-12-27 | 2010-08-04 | 欧姆龙株式会社 | Process for producing metal film, primer composition, metal film and use of the metal film |
| CN101999412A (en) * | 2010-11-19 | 2011-04-06 | 佘振定 | Nano-silver solution and preparation method thereof |
| CN102203318A (en) * | 2008-09-02 | 2011-09-28 | 特拉维夫大学拉玛特有限公司 | Metal nanowire thin-films |
| CN104217819A (en) * | 2014-09-02 | 2014-12-17 | 上海交通大学 | Organic metal silver salt based conductive thin film and preparation method thereof |
| CN105798328A (en) * | 2016-05-18 | 2016-07-27 | 深圳市国华光电科技有限公司 | Silver nanoparticle preparation method |
-
2017
- 2017-08-14 CN CN201710693788.2A patent/CN107574428B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958197A (en) * | 2006-11-16 | 2007-05-09 | 中国科学院长春应用化学研究所 | Method for preparing Nano silver piece |
| CN101796217A (en) * | 2007-12-27 | 2010-08-04 | 欧姆龙株式会社 | Process for producing metal film, primer composition, metal film and use of the metal film |
| US20100051091A1 (en) * | 2008-08-29 | 2010-03-04 | Kwangyeol Lee | Electrode formation based on photo-induced reduction of metal ions in the presence of metal nanomaterials |
| CN102203318A (en) * | 2008-09-02 | 2011-09-28 | 特拉维夫大学拉玛特有限公司 | Metal nanowire thin-films |
| CN101999412A (en) * | 2010-11-19 | 2011-04-06 | 佘振定 | Nano-silver solution and preparation method thereof |
| CN104217819A (en) * | 2014-09-02 | 2014-12-17 | 上海交通大学 | Organic metal silver salt based conductive thin film and preparation method thereof |
| CN105798328A (en) * | 2016-05-18 | 2016-07-27 | 深圳市国华光电科技有限公司 | Silver nanoparticle preparation method |
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