CN106782747B - Silver nanoparticle fiber membrane and preparation method thereof and equipment and electronic device - Google Patents
Silver nanoparticle fiber membrane and preparation method thereof and equipment and electronic device Download PDFInfo
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- CN106782747B CN106782747B CN201710013591.XA CN201710013591A CN106782747B CN 106782747 B CN106782747 B CN 106782747B CN 201710013591 A CN201710013591 A CN 201710013591A CN 106782747 B CN106782747 B CN 106782747B
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 214
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 208
- 239000004332 silver Substances 0.000 title claims abstract description 208
- 239000000835 fiber Substances 0.000 title claims abstract description 199
- 239000002105 nanoparticle Substances 0.000 title claims abstract description 170
- 239000012528 membrane Substances 0.000 title claims abstract description 118
- 238000002360 preparation method Methods 0.000 title abstract description 22
- 239000002243 precursor Substances 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 54
- 239000000243 solution Substances 0.000 claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 74
- 229910052759 nickel Inorganic materials 0.000 claims description 37
- 239000007789 gas Substances 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 18
- 150000003839 salts Chemical class 0.000 claims description 17
- 238000005245 sintering Methods 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 15
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical group CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 12
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 11
- 229920002521 macromolecule Polymers 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000006193 liquid solution Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 4
- 239000003570 air Substances 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000012805 post-processing Methods 0.000 abstract description 12
- 239000010408 film Substances 0.000 description 19
- 239000000758 substrate Substances 0.000 description 14
- 238000005452 bending Methods 0.000 description 12
- 230000008901 benefit Effects 0.000 description 12
- 238000012545 processing Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 239000000654 additive Substances 0.000 description 9
- 230000000996 additive effect Effects 0.000 description 9
- 238000009987 spinning Methods 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000002121 nanofiber Substances 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 239000000523 sample Substances 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- 241000209094 Oryza Species 0.000 description 5
- 235000007164 Oryza sativa Nutrition 0.000 description 5
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 5
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 5
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 5
- 235000009566 rice Nutrition 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000005357 flat glass Substances 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000001755 magnetron sputter deposition Methods 0.000 description 3
- 239000002070 nanowire Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- 239000002042 Silver nanowire Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002041 carbon nanotube Substances 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910016540 CuNW Inorganic materials 0.000 description 1
- 206010054949 Metaplasia Diseases 0.000 description 1
- 229920000144 PEDOT:PSS Polymers 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002322 conducting polymer Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000010041 electrostatic spinning Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000003951 lactams Chemical group 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003019 stabilising effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention proposes silver nanoparticle fiber membranes and preparation method thereof and equipment and electronic device.The method of the preparation silver nanoparticle fiber membrane includes: silver-colored precursor solution to be added in injection-tube, and released the silver-colored precursor solution from the syringe needle being connected with liquid injection pipe using topping-up pump, obtains fiber；The fiber is stretched using air-flow, obtains silver nanoparticle fiber；The silver nanoparticle fiber is collected on the collector, silver nanoparticle fiber membrane precursor is obtained；The silver nanoparticle fiber membrane precursor is post-processed, silver nanoparticle fiber membrane is obtained.Method proposed by the invention can obtain the silver nanoparticle fiber membrane that transparency is good, service performance is excellent, and this method is not necessarily to the complicated post-processing step of highly energy-consuming, and time-saving energy-saving is simple and efficient, and low production cost, the potential with industrialized production.
Description
Technical field
The present invention relates to flexible electronics fields, specifically, the present invention relates to silver nanoparticle fiber membrane and its preparation sides
Method and equipment and electronic device.More particularly to the method for preparation silver nanoparticle fiber membrane, silver nanoparticle fiber membrane, system
The equipment and electronic device of standby silver nanoparticle fiber membrane.
Background technique
Recently as the widely available of flexible electronic product, associated specifications are increasingly improved, it is especially of new generation
Flexible electronic product proposes more harsh requirement to its light transmittance, electric conductivity, flexibility and environmental stability.And silver nanoparticle material
Material especially silver nanowires, has unique optics, electromagnetism, mechanics, catalytic performance, in various fields such as flexible and transparent electricity
Pole, micro-nano circuit, opto-electronic device, flexible energy storage, flexible solar battery etc. have the function of it is particularly important, because
And silver nanoparticle fiber electrode will become the advantageous replacer of present tin indium oxide conductive electrode.
The nano-silver thread haveing excellent performance only how is prepared at low cost, becomes the touching being widely used in photoelectric field
Touch the critical issue of panel, solar battery etc..
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
The present invention is the following discovery based on inventor and completes:
Inventor has found in the course of the research: since silver is that electric good conductor, good conductivity, thus micro-nano silver wire are used as electricity
Pole material can reduce energy consumption (relative to oxide film electrode).The partial size of micro-nano silver wire is less than visible light incidence wave simultaneously
When long, the plasma effect of metal micro-nano structure enhances light transmission, so that electrode is had good photoelectric properties, is conducive to mention
The efficiency of high battery device.However, high surface resistance and low surface adhesion force limit the large-area applications of nano-silver thread, it is existing
Stage can using high annealing, high intensity pulses are laser sintered or the complicated aftertreatment technology such as surface encapsulation, to solve
The above problem, but these techniques are very time-consuming, energy consumption.The present inventor is by further investigation discovery, the side of gas spinning
High pressure draught is utilized in method, can prepare to simple and efficient, safety and environmental protection fibre diameter in nanoscale silver fiber.And it is logical
It crosses using suitable collector, the silver nanoparticle fiber of available uniform net distribution, after high temperature sintering, can get
The transparent reticulated film of silver nanoparticle fiber composition, can be used for the photoelectricity key area such as touch panel, solar battery, and this method
Simple and effective, yield is big, low consumption when and low power consuming, the potential with industrialized production.
In view of this, an object of the present invention is to provide a kind of high grade of transparency, low sheet resistance, good substrate are attached
Put forth effort, mechanical environment stability is good, production environment is safer, time saving or energy-efficient silver nanoparticle fiber membrane preparation method.
In the first aspect of the present invention, the invention proposes a kind of methods for preparing silver nanoparticle fiber membrane.
According to an embodiment of the invention, silver-colored precursor solution is added in injection-tube, and utilize topping-up pump by the forerunner
Liquid solution is released from the syringe needle being connected with liquid injection pipe, obtains fiber；The fiber is stretched using air-flow, obtains silver nanoparticle
Fiber；The silver nanoparticle fiber is collected on the collector, silver nanoparticle fiber membrane precursor is obtained；The silver nanoparticle fiber is thin
Film precursor is post-processed, and silver nanoparticle fiber membrane is obtained.
Inventor it was unexpectedly observed that the silver nanoparticle fiber membrane using the embodiment of the present invention preparation method, can obtain
Transparency is good, low sheet resistance, good substrate adhesive force, mechanical environment stability is good, service performance is excellent silver nanoparticle are fine
Film is tieed up, and this method is not necessarily to the complicated post-processing step of highly energy-consuming, time-saving energy-saving is simple and efficient, and production cost is low
Potential honest and clean, with industrialized production.
In addition, method according to the above embodiment of the present invention, can also have the following additional technical features:
According to an embodiment of the invention, the silver precursor solution contains inorganic salts, macromolecule and the solvent of silver.
According to an embodiment of the invention, the inorganic salts of the silver are silver nitrate.
According to an embodiment of the invention, the macromolecule is PVP.
According to an embodiment of the invention, the solvent is acetonitrile.
According to an embodiment of the invention, the gas for forming the air-flow is in compressed air, nitrogen, argon gas, helium
At least one.
According to an embodiment of the invention, the pressure for forming the gas of the air-flow is 0.001MPa to 20MPa.
According to an embodiment of the invention, the collector is nickel screen, sheet glass or glass fiber sheets.
According to an embodiment of the invention, the post-processing is selected from sintering processes, magnetron sputtering processing, electroplating processes, ultraviolet
Treatment with irradiation or vapor deposition processing.
In the second aspect of the present invention, the invention proposes a kind of silver nanoparticle fiber membranes.
According to an embodiment of the invention, the silver nanoparticle fiber membrane is prepared by the above method.
Inventor it was unexpectedly observed that using the embodiment of the present invention silver nanoparticle fiber membrane, have the high grade of transparency, low surface
The advantages of resistance, good substrate adhesive force and mechanical environment stability, these excellent service performances keep silver nanoparticle fiber thin
Film has application prospect in the crucial photoelectric field such as touch panel, solar battery.It will be appreciated to those of skill in the art that
Feature and advantage described in preparation method above for silver nanoparticle fiber membrane are still applied to the silver nanoparticle fiber membrane,
Details are not described herein.
In the third aspect of the present invention, the invention proposes a kind of equipment for preparing silver nanoparticle fiber membrane.
According to an embodiment of the invention, the equipment includes: injection-tube, for accommodating silver-colored precursor solution；Syringe needle, it is described
Syringe needle is connected to the injection-tube, for projecting the silver-colored precursor solution；Topping-up pump, the column liquid pump and the injection-tube phase
Even, for releasing the silver-colored precursor solution；Feeder, for being stretched the fiber to obtain silver using air-flow
Nanofiber；Collector, for collecting the silver nanoparticle fiber.
Inventor it was unexpectedly observed that the preparation silver nanoparticle fiber membrane using the embodiment of the present invention equipment, can quickly,
Mentioned-above silver nanoparticle fiber membrane is efficiently prepared, and without time consumption and energy consumption, complicated aftertreatment technology, production
Environment is safer, and the silver nanoparticle fiber membrane obtained has the high grade of transparency, low sheet resistance, the attachment of good substrate
Power, good mechanical environment stability.
In addition, equipment according to the above embodiment of the present invention, can also have the following additional technical features:
According to an embodiment of the invention, the syringe needle is L-shaped.
According to an embodiment of the invention, the collector is nickel screen, sheet glass or glass fiber sheets.
In the fourth aspect of the present invention, the invention proposes a kind of electronic devices.
According to an embodiment of the invention, the electronic equipment contains above-mentioned silver nanoparticle fiber membrane.
Inventor is it was unexpectedly observed that transparency is high, sheet resistance is low, substrate is attached since above-mentioned silver nanoparticle fiber membrane has
Put forth effort, the advantages that mechanical environment stability is good, so that the electronic device can satisfy higher light transmittance and require and have interior
Consume low, compact-sized and bent component advantage.It will be appreciated to those of skill in the art that above for silver nanoparticle fiber
Feature and advantage described in the preparation method and silver nanoparticle fiber membrane of film, are still applied to the electronic device, herein no longer
It repeats.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the flow diagram of the preparation silver nanoparticle fiber membrane method of one embodiment of the invention；
Fig. 2 is the structural schematic diagram of the equipment of the preparation silver nanoparticle fiber membrane of one embodiment of the invention；
Fig. 3 is the photo of the silver nanoparticle fiber membrane of one embodiment of the invention；
Fig. 4 is the SEM photograph of the silver nanoparticle fiber membrane of one embodiment of the invention；
Fig. 5 is the SEM photograph after the silver nanoparticle fiber membrane doubling of one embodiment of the invention；
Fig. 6 is the photo of the transparency detection process of the silver nanoparticle fiber membrane of one embodiment of the invention；
Fig. 7 is relational graph of the silver nanoparticle fiber membrane in the corresponding light transmittance of different sheet resistances of one embodiment of the invention；
Fig. 8 is the sheet resistance value of the silver nanoparticle fiber membrane of one embodiment of the invention and the relational graph of number of bends；
Fig. 9 is the sheet resistance value of the silver nanoparticle fiber membrane of one embodiment of the invention and the relational graph of stretch ratio；
Figure 10 is the sheet resistance value of the silver nanoparticle fiber membrane of one embodiment of the invention and the relational graph of bending radius；
Figure 11 is the demonstration photo of folding and the recovery of the silver nanoparticle fiber membrane of one embodiment of the invention；
Figure 12 is the elastic presentation process photo of the silver nanoparticle fiber membrane of one embodiment of the invention；
Figure 13 is the sheet resistance of the different materials of one embodiment of the invention and the relationship comparison diagram of light transmittance.
Appended drawing reference
100 injection-tubes
200 syringe needles
300 topping-up pumps
400 feeders
500 collectors
Specific embodiment
The embodiment of the present invention is described below in detail.The embodiments described below is exemplary, and is only used for explaining this hair
It is bright, and be not considered as limiting the invention.
In one aspect of the invention, the invention proposes a kind of methods for preparing silver nanoparticle fiber membrane.According to this hair
Bright embodiment, referring to Fig.1, method includes the following steps:
S100: by silver-colored precursor solution be added injection-tube in, and using topping-up pump by precursor solution from injection-tube phase
Syringe needle even is released, and fiber is obtained.
In this step, the silver-colored precursor solution with spinnability is made first.According to an embodiment of the invention, the silver
The specific ingredient of precursor solution is not particularly limited, and those skilled in the art can select according to the actual situation.It is specific and
Speech, configures suitable silver-colored precursor solution, the inorganic salts for needing that suitable solvent is selected to dissolve silver, and suitable macromolecule adjusts silver
Precursor solution viscosity, stability in the next steps restore silver ion, and it is made to meet its of spinning requirement
His additive.Therefore, according to some embodiments of the present invention, silver-colored precursor solution contains inorganic salts, macromolecule and the solvent of silver.
Precursor solution containing mentioned component can effectively meet spinning requirement, conducive to the Yin Na haveing excellent performance is obtained in subsequent step
Rice fiber membrane.
According to an embodiment of the invention, the specific type of the inorganic salts for the silver that can be used is not particularly limited, as long as through
The silver-colored presoma of ag material can be formed after overstretching and sintering, those skilled in the art can according to need flexible choice,
For example including but be not limited to silver nitrate, stretched as a result, sintering and etc. can effectively obtain silver nanoparticle fiber, and source
It is easy to get extensively.
According to an embodiment of the invention, in order to be reduced silver-colored presoma (also referred to as silver-colored inorganic salts) in the next steps
At ag material, and make silver inorganic salts it is particle-stabilisedly evenly dispersed in the solution, it usually needs to silver-colored precursor solution
Middle addition macromolecule.In an embodiment of the present invention, the high molecular specific type that can be used is not particularly limited, ability
Field technique personnel can according to need flexible choice.In some specific examples of the invention, the macromolecule that can be used includes
But it is not limited to PVP (polyvinylpyrrolidone).PVP not only can be used as the reducing agent of the inorganic salts of silver, but also can pass through its structure
In the highly polar lactam group that contains be coordinated with silver ion, the stabilising system of nano level metal colloidal sol is formed, to hinder
Only silver ion is reunited, and further increases the stability and spinnability of silver-colored precursor solution.
According to an embodiment of the invention, needing to select suitable molten to obtain the silver-colored precursor solution for being suitable for gas spinning
The inorganic salts and additive (including macromolecule) of agent dissolution silver.In an embodiment of the present invention, the solvent that can be used it is specific
Type is not particularly limited, as long as the inorganic salts of silver and the solvent of additive can sufficiently be dissolved.Of the invention some
In specific example, the solvent that can be used includes but is not limited to acetonitrile.The present inventor has found by long-term research, second
Nitrile is the good solvent of silver-colored presoma and additive, and various solutes can be made to be dissolved completely in silver-colored precursor solution, is also had certain
Volatility, gas spinning and sintering during can effectively be removed.
According to an embodiment of the invention, silver-colored inorganic salts, additive and the specific of solvent contain in the silver precursor solution
Amount is not particularly limited, as long as meeting spinning requirement and can obtain the silver nanoparticle fiber membrane for meeting requirement, this field skill
Art personnel can neatly select.In some embodiments of the invention, it is based on every 1g solvent, is contained in silver-colored precursor solution
The inorganic salts of the silver of 0.1~1g and the additive of 0.01~0.5g.Under preferable case, it is based on every 1g solvent, silver-colored precursor solution
In containing 0.5g silver inorganic salts and 0.1g additive.In this way, the content of the inorganic salts of silver, additive and solvent is above-mentioned
In range, the silver-colored precursor solution of acquisition has suitable spinnability, is easier to obtain fibre diameter under the action of high pressure draught
In nanoscale and service performance more preferably silver nanoparticle fiber.
Also according to the embodiment of the present invention, the concrete mode and charging sequence for preparing the silver precursor solution are not limited especially
System, those skilled in the art can neatly carry out.In some embodiments of the invention, by stirring, ultrasound or can add
Silver-colored presoma, reducing agent and stabilizer are uniformly mixed by the processing modes such as heat, and details are not described herein.
According to an embodiment of the invention, it is encased in the silver-colored precursor solution in injection-tube, the note that can be connected with injection-tube
Liquid pump is evenly released from the syringe needle being connected with injection-tube, and fiber is formed.As a result, can simply, quickly and easily obtain fiber.
In an embodiment of the present invention, the concrete type of injection-tube and syringe needle is not particularly limited, as long as can be by solution from specific
The duct of bore is released, and those skilled in the art can select according to physical condition.According to an embodiment of the invention,
The concrete type of topping-up pump is not also particularly limited, as long as any fluid injection that can equably release the solution in injection-tube
Pump, details are not described herein.
According to an embodiment of the invention, the speed for releasing silver-colored precursor solution is also not particularly limited, as long as can be with
Air velocity, viscosity of precursor solution etc. match, and those skilled in the art can according to need flexible choice.In the present invention
Some embodiments in, the speed for releasing silver-colored precursor solution can be 0.05mL/h-0.5mL/h, as a result, helping to obtain property
The excellent silver nanoparticle fiber of energy.
S200: the fiber is stretched using air-flow, obtains silver nanoparticle fiber.
In this step, the air-flow that certain speed is cooperated on the direction that silver-colored precursor solution is pushed out, can make fiber quilt
Fibre diameter is rapidly drawn into the silver nanoparticle fiber of Nano grade.Thus, it is possible to simple and effective obtain silver nanoparticle fiber,
Relative to the methods of existing electrostatic spinning, this method has quick, safety, the advantage without high pressure, with realization of industrialization
Potentiality.
According to an embodiment of the invention, the gas for the formation air-flow that can be used concrete type be not particularly limited, only
Uniform, continuous silver nanoparticle fiber is advantageously formed, and it is any to have a negative impact to the silver nanoparticle fiber of acquisition
Gas, those skilled in the art can select according to the actual needs.In some specific examples of the invention, including
At least one of but be not limited to compressed air, nitrogen, argon gas, helium.Gas source is abundant and low in cost as a result,.
According to an embodiment of the invention, be evenly distributed and continuous silver nanoparticle fiber to obtain diameter, those skilled in the art
Member can select suitable air velocity according to actual needs.In some embodiments of the invention, gas is indicated with the pressure of air-flow
Flow velocity degree, then the pressure for forming the gas of air-flow can be 0.001MPa to 20MPa.In other words, it when supplying air-flow to fiber, adjusts
The pressure for saving air outlet valve is 0.001MPa to 20MPa.In this way, the pressure of air-flow is within the above range, before the speed and silver of air-flow
Speed, viscosity etc. that liquid solution is released is driven to match, the fiber formed after silver-colored precursor solution can be made to be pushed out be easy by uniformly,
It is continuously drawn into silver nanoparticle fiber, is conducive to obtain after subsequent processing that diameter is more evenly distributed, service performance is more preferably silver-colored
Nanofiber.
S300: silver nanoparticle fiber is collected on the collector, silver nanoparticle fiber membrane precursor is obtained.
In this step, the silver nanoparticle fiber formed after being stretched by high pressure draught forms silver and receives collected by collector
The precursor of rice fiber membrane, can be used for post-processing.According to an embodiment of the invention, the material type of collector is not limited specifically
Determine, including but not limited to sheet glass, nickel screen and glass fiber sheets, as long as can satisfy post-processing step requirement, this
Field technical staff can select according to actual needs.The collector for using above-mentioned material as a result, is received in post-processing step
Collection substrate is able to maintain shape invariance, to be further ensured that the planarization and the uniformity of the silver nanoparticle fiber membrane of acquisition.
According to some embodiments of the present invention, which can be nickel screen.Under preferable case, which is with roundlet
The structure of shape hollow out, in this way, high pressure draught may pass through the nickel screen of hollow out, and silver nanoparticle fiber can be intercepted by nickel screen and uniform
Ground is arranged in the surface of nickel screen, and using subsequent sintering processes after, unordered silver nanoparticle fiber line can be transformed into transparent
Silver nanoparticle fiber membrane.
According to an embodiment of the invention, nickel screen can be set into fiber from the direction that liquid injection pipe projects perpendicular, nanometer
Fiber moves to nickel screen under the action of air-flow, can effectively be attached on nickel screen, can collect acquisition silver by mobile nickel screen
The equally distributed silver nanoparticle fiber membrane of nanofiber.
S400: silver nanoparticle fiber membrane precursor is post-processed, silver nanoparticle fiber membrane is obtained.
In this step, the collector of silver nanoparticle fiber membrane precursor post-processes collection, in the mistake of post-processing
Silver nanoparticle fiber membrane precursor can be made to be changed into the silver nanoparticle fiber membrane with conducting function in journey.Those skilled in the art
It is understood that the specific method of post-processing is not particularly limited, as long as the fiber surface shape for enabling to spinning to obtain
At Argent grain.For example including but be not limited to sintering processes, magnetron sputtering processing, electroplating processes, ultraviolet irradiation processing or
Vapor deposition processing etc..
According to some embodiments of the present invention, sintering processes can will collect the collection for having silver nanoparticle fiber membrane precursor
Device is transferred in Muffle furnace and is sintered, the silver in silver-colored presoma (silver-colored inorganic salts) in sintering process in silver nanoparticle fiber
Ion is fully changed into silver, can be obtained silver nanoparticle fiber membrane.
According to an embodiment of the invention, the temperature and time of sintering processes is not particularly limited, before different silver
Driving body and additive, those skilled in the art can select according to the actual situation, as long as silver nanoparticle fiber can be obtained effectively
Film.In some embodiments of the invention, for the precursor solution containing silver nitrate, the temperature of sintering processes can be with
It is 200~300 degrees Celsius, soaking time is 1~3 hour.Above-mentioned sintering temperature and soaking time are used as a result, can be obtained
The silver nanoparticle fiber membrane that transparency is good, low sheet resistance, good substrate adhesive force, mechanical environment stability are good.According to
Some specific examples of the invention, preferred sintering processes condition are to keep the temperature 2 hours under 250 degrees Celsius, so, it is possible to obtain power
It learns performance and substrate adhesive force is more excellent and the silver nanoparticle fiber membrane of highly transparent.
According to some embodiments of the present invention, magnetron sputtering processing, electroplating processes, vapor deposition processing can be according to ability
Domain routine operation carries out, and in above-mentioned treatment process, silver nanoparticle fiber membrane precursor surface forms Argent grain, thus to obtain target silver
Nano-fiber film.
According to some embodiments of the present invention, ultraviolet irradiation processing, which can use ultraviolet light collection, silver nanoparticle fiber
The collector of film precursor, in irradiation process, silver ion is reduced into silver, obtains target silver nanoparticle fiber membrane.
In conclusion according to an embodiment of the invention, the invention proposes a kind of method for preparing silver nanoparticle fiber membrane,
The silver nanoparticle fiber membrane that transparency is good, service performance is excellent can be obtained using this method, and this method is not necessarily to highly energy-consuming
Complicated post-processing step, time-saving energy-saving is simple and efficient, and low production cost, the potential with industrialized production.
In another aspect of the invention, the invention proposes a kind of silver nanoparticle fiber membranes.
According to an embodiment of the invention, the silver nanoparticle fiber membrane is prepared by the above method.
Inventors have found that silver nanoparticle fiber membrane according to an embodiment of the present invention, have the high grade of transparency, low sheet resistance,
Good substrate adhesive force and the good advantage of mechanical environment stability, these excellent service performances make silver nanoparticle fiber membrane exist
The key photoelectric field such as touch panel, solar battery has application prospect.It will be appreciated to those of skill in the art that front
Feature and advantage described in preparation method for silver nanoparticle fiber membrane are still applied to the silver nanoparticle fiber membrane, herein
It repeats no more.
In another aspect of the invention, the invention proposes a kind of equipment for preparing silver nanoparticle fiber membrane.Referring to figure
2, equipment of the invention is described in detail.
According to an embodiment of the invention, the equipment includes: injection-tube 100, syringe needle 200, topping-up pump 300, feeder 400
With collector 500.Wherein, injection-tube 100 is for accommodating silver-colored precursor solution；Syringe needle 200 and injection-tube 100 be connected to it is logical,
And for projecting the silver-colored precursor solution；What topping-up pump 300 and injection-tube 100 were connected to, and be used for silver-colored precursor solution
It releases；Feeder 400, for being stretched to fiber using air-flow to obtain silver nanoparticle fiber；Collector 500, for receiving
Collect the silver nanoparticle fiber.
Specifically, topping-up pump 300 can equably release the silver-colored precursor solution in injection-tube 100, fiber is formed, simultaneously
Feeder 400 applies air-flow along the direction of fibre length, and high-speed flow further stretches the fiber, and is rapidly formed
Fibre diameter is in nanoscale fiber, and during stretching, solvent can be removed by volatilization；The silver nanoparticle of stretched formation
Fiber forms the precursor of silver nanoparticle fiber membrane, by further burning collected by the collector 500 apart from syringe needle certain distance
Knot processing, can be obtained transparent silver nanoparticle fiber membrane.
According to an embodiment of the invention, the concrete type of injection-tube 100 is not particularly limited, as long as can by solution from
The container or design, those skilled in the art that the duct of specified caliber is released can be selected according to physical condition, example
It such as can be any of injection-tube for meeting requirement.In the embodiment of the present invention, the concrete type of topping-up pump 300
It is not particularly limited, as long as any topping-up pump that can equably release the solution in injection-tube, no longer superfluous herein
It states.
According to an embodiment of the invention, the concrete shape of syringe needle 200 is not also particularly limited, as long as any can be before silver
The syringe needle that fiber is formed after liquid solution is released is driven, those skilled in the art can select according to physical condition.At this
In some embodiments of invention, which can be L-shaped.In this way, to the right pushing direction of the topping-up pump 300 to injection-tube 100
Even if the direction of gas supply backward with feeder 400 is set as orthogonal, the direction and gas circuit direction for releasing fiber are remained to
It is consistent, and the gas outlet of feeder 400 and syringe needle 200 are provided separately the cleaning for being also convenient for equipment.Also according to this
The specific internal diameter of the embodiment of invention, syringe needle 200 is not particularly limited, can be according to the silver nanoparticle fiber gone for
Specific size selected.In some embodiments of the invention, the internal diameter of the syringe needle 200 is 60 microns.
According to an embodiment of the invention, the concrete shape of collector is not particularly limited, those skilled in the art can root
It is selected according to the shape for expecting the silver nanoparticle fiber obtained.In some embodiments of the invention, which can be
Nickel screen, sheet glass or glass fiber sheets.Under preferable case, collector is nickel screen, and the nickel screen can be for small circular hollow out
Structure, the mesh size of nickel screen is 20~300 mesh.In this way, high pressure draught may pass through the nickel screen of above-mentioned hollow out, and silver nanoparticle is fine
Dimension can be intercepted and be equably arranged in by nickel screen again the surface of nickel screen, and using subsequent sintering processes after, it is unordered
Silver nanoparticle fiber line can be transformed into transparent silver nanoparticle fiber membrane.
In conclusion mentioned-above preparation silver nanoparticle fiber membrane can be implemented using the equipment of the embodiment of the present invention
Method, fast and efficiently prepare a large amount of silver nanoparticle fiber membrane, and without time consumption and energy consumption, complicated post-processing
Technique.
In another aspect of the invention, the invention proposes a kind of electronic devices.
According to an embodiment of the invention, the electronic equipment contains above-mentioned silver nanoparticle fiber membrane.Those skilled in the art
It is understood that being not limited only to silver nanoparticle fiber membrane, which can also include other necessary components, such as electricity
Pond, shell, chip, memory or input and output route etc., are no longer excessively repeated herein.
According to some embodiments of the present invention, the specific type of the electronic device is not particularly limited.E.g., including but not
It is limited to touch screen, flexible liquid crystal display, bimolecular sensors, optical information storage part, solar battery, electromagnetic shielding
Device etc..
In conclusion according to an embodiment of the invention, the invention proposes a kind of electronic device, since above-mentioned silver nanoparticle is fine
Dimension film has many advantages, such as that transparency is high, sheet resistance is low, substrate adhesive force is good, mechanical environment stability is good, so that the electronics
Device can satisfy higher light transmittance and require and have the advantages that in-fighting is low, compact-sized and component is bent.This field skill
Art personnel are, it is understood that spy described in preparation method and silver nanoparticle fiber membrane above for silver nanoparticle fiber membrane
It seeks peace advantage, is still applied to the electronic device, details are not described herein.
The embodiment of the present invention is described below in detail, particular technique or condition are not specified in embodiment, according to this field
Technology or conditions described in interior document are carried out according to product description.Production firm is not specified in agents useful for same or instrument
Person is the conventional products that can be bought by city.
Embodiment 1: the preparation and characterization of silver nanoparticle fiber membrane
Specific preparation method includes three key steps: preparing silver-colored precursor solution, gas spinning and sintering processes.
Firstly, take 2g acetonitrile, under conditions of the stirring of constant temperature magneton rotation condition, 0.2g PVP is added, and (marque is
K90), it is completely dissolved after 30 minutes, adds 1g AgNO3, 5 hours when solution is stood after stirring 4 hours, obtain silver-colored forerunner
Liquid solution.
Then, a certain amount of silver-colored precursor solution is sucked with disposable injection suction pipe, and loads onto the point that internal diameter is 60 microns
The syringe needle of glue, and by syringe needle with clip bend 90 degree after, then will injection suction pipe be mounted in syringe pump on.By the gas of feeder
Switch is opened, and the liquid speed degree out of air velocity and syringe pump is regulated, then the nickel screen with small circular hollow out is placed on syringe needle
Liquid direction out, and the nickel screen of collection and liquid discharging pinhead distance 50cm or so.Start gas spinning preparation silver nanoparticle fiber, is used in combination
Nickel screen is collected, and acquisition time about 10 minutes, the netted silver nanoparticle fiber membrane being evenly distributed.
Then, the nickel screen with mesh nano fiber membrane of preparation is placed in Muffle furnace and is sintered, heating rate
5 degree mins are set in, are warming up to 250 degree, and after heat preservation 2 hours, then nature cools down with furnace, obtains silver nanoparticle fibrous transparent net
Shape film.
The photo for the silver nanoparticle fiber membrane of the embodiment prepared, as shown in Figure 3.From figure 3, it can be seen that the silver is received
The transparency of rice fiber membrane is very high, and the size of the silver nanoparticle fiber membrane of this method preparation can reach 10cm, explanation
This method is suitable for quickly and efficiently preparing transparent silver nanoparticle fiber membrane.
The SEM photograph for the silver nanoparticle fiber membrane that the embodiment prepares is as shown in Figure 4.As can be seen from Figure 4, silver nanoparticle
The diameter of fiber in 200nm hereinafter, and silver nanoparticle fiber membrane it is microcosmic it is upper be in unordered reticular structure, and received through oversintering silver
Crosspoint between rice fiber is in the form of physical connection.
After the silver nanoparticle fiber membrane that the embodiment is prepared carries out doubling, then see under a scanning electron microscope
It examines, can get the SEM photograph of silver nanoparticle fiber membrane fold position, as shown in Figure 5.Fig. 5 illustrate silver nanoparticle fiber membrane have can
The performance of bending will not be broken bending.
Embodiment 2
In this embodiment, the sheet resistance and light transmittance for the silver nanoparticle fiber membrane that detection embodiment 1 is prepared.Sheet resistance is surveyed
Method for testing is as shown in Figure 6.
Silver nanoparticle tunica fibrosa is attached on common A4 paper or on pet substrate, is transferred it on four probe stations,
Machine is opened, four probes are gently ridden on sample, the sheet resistance value of sample is arrived by measurement key.Method is each according to this
Sample is surveyed 5 times altogether, is averaged.
The testing result of the embodiment, as shown in Figure 7.As can be seen from Figure 7, silver nanoparticle fiber membrane has outstanding visible
Light transmission rate and low sheet resistance.
Embodiment 3
In this embodiment, silver nanoparticle fiber membrane embodiment 1 being prepared carries out flexible test, uses simultaneously
The platinum metal film of hot evaporation is as control.Specifically, detection number of bends, stretch ratio and bending radius are to silver nanoparticle fiber
The influence that film generates.
When carrying out influence of the number of bends to the sheet resistance of silver nanoparticle fiber membrane, silver nanoparticle fiber membrane is attached first
On PET plastic film flexible, bending radius is constant to carry out crooked test for 2mm.When being bent different numbers, its phase is detected
The square resistance answered.
When carrying out extension test, silver nanoparticle fiber membrane is attached on PDMS flexible extensible substrate first, then
The certain ratio of cross directional stretch, and be 5%, 10%, 15% in extensibility, 20% when, records its corresponding square resistance respectively,
And calculate corresponding sheet resistance increased percentage.
When carrying out bending radius test, processing mode and test number of bends are essentially the same.Difference is, bending radius
Respectively 1mm, 2mm, 5mm, 7mm, 9mm and 10mm record its corresponding square resistance and sheet resistance increased percentage.
The number of bends test result of the silver nanoparticle fiber membrane of the embodiment, as shown in Figure 8.As can be seen from Figure 8, when curved
When bent number reaches 1000 times, the sheet resistance of silver nanoparticle fiber membrane (This work) does not increase substantially.And metal film (Metal
Films for sheet resistance) after bending 300 times, sheet resistance increases 2500%.
The stretch ratio test result of the silver nanoparticle fiber membrane of the embodiment, as shown in Figure 9.It can be seen in fig. 9 that silver is received
Rice fiber membrane (This work) though amount of tension reach 20%, sheet resistance have a growth sign substantially, and metal film
(Metal films) is being stretched to 10% or so its sheet resistance growth rate greater than 14000%.
The bending radius test result of the silver nanoparticle fiber membrane of the embodiment, as shown in Figure 10.As can be seen from Figure 10, silver-colored
Between bending radius 0.5mm to the 10mm of nano-fiber film (This work), sheet resistance is not substantially change, and metal
The sheet resistance sharp increase after bending of film (Metal films), when bending radius is gradually increased, sheet resistance growth has reduction
Trend.
Embodiment 4
In this embodiment, silver nanoparticle fiber membrane embodiment 1 prepared reverts to original after arbitrarily folding again
Shape, silver nanoparticle fiber membrane still have good electric conductivity.
The foldable the performance test results of the silver nanoparticle fiber membrane of the embodiment, as shown in figure 11.As can be seen from Figure 11,
Silver nanoparticle tunica fibrosa is attached on the miscellaneous paper smooth in a small pieces, paper is rubbed crush up later, then opens and sprawls, silver nanoparticle
Tunica fibrosa still keeps complete and successfully as conducting wire connection LED light and shinny.
Embodiment 5
In this embodiment, the substrate for collecting two-dimensional fiber film is prepared into the three-dimensional collector of the shapes such as circular cone, into
Row fiber collects the three-dimensional structure that can obtain presoma weave in composition.Three-dimensional silver can be obtained by carrying out post-processing later
Nanofiber.Compression demonstration is carried out to three-dimensional silver nanoparticle fiber, it is specific as shown in figure 12.
As can be seen from Figure 12, the silver nanoparticle fiber of the embodiment has the function of good pressure recovery, generates under compression
Elastic deformation, and after pressure is withdrawn, silver nanoparticle fiber still reverts to original appearance.
Embodiment 6
In this embodiment, translucency is carried out to silver nanoparticle fiber membrane prepared by embodiment 1 and sheet resistance is tested.Detection is adopted
With multi-functional four-point probe, the sheet resistance of silver nanoparticle fiber membrane and other common conductive materials is detected.Specifically, other are often
Silver nanowires (AgNW), copper nano-wire (CuNW), graphene (Graphene), tin indium oxide (ITO), copper are selected with conductive material
Nano wire mixes nanowires of gold (CuMW+AuNW), silver nanoparticle slot (Ag nanotrough), copper nanometer slot (Cu
Nanotrough), carbon nanotube (CNT) and conducting polymer (PEDOT:PSS).
The inspection result of the embodiment, as shown in figure 13.As can be seen from Figure 13, in sheet resistance value having the same, relatively
Conductive material is commonly used in other, silver nanoparticle fiber membrane (This work) has better transparency.
It summarizes
Integrated embodiment 1~6 can show that the preparation method of silver nanoparticle fiber membrane proposed by the invention can obtain
The high grade of transparency, low sheet resistance, good substrate adhesive force and mechanical environment stability silver nanoparticle fiber membrane, and the party
Method is not necessarily to the complicated post-processing step of highly energy-consuming, and time-saving energy-saving is simple and efficient, and low production cost, has industrial metaplasia
The potential of production.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (6)
1. a kind of method for preparing silver nanoparticle fiber membrane characterized by comprising
Silver-colored precursor solution is added in injection-tube, and using topping-up pump by the silver-colored precursor solution from the injection-tube phase
Syringe needle even is released, and fiber is obtained, wherein the speed to introduce is 0.05mL/h-0.5mL/h；
The fiber is stretched using air-flow, obtains silver nanoparticle fiber, wherein the speed of the air-flow and the silver-colored forerunner
The speed of liquid solution release, viscosity match, and the pressure for forming the gas of the air-flow is 0.001MPa to 20MPa；
The silver nanoparticle fiber is collected on the collector, silver nanoparticle fiber membrane precursor is obtained, wherein the collector is to move
Dynamic nickel screen, the nickel screen is perpendicular from the direction that liquid injection pipe projects with the fiber, and the mobile nickel screen is with small circular
The mesh size of the structure of hollow out, the mobile nickel screen is 20~300 mesh, and the silver nanoparticle fiber moves under the action of air-flow
It to the mobile nickel screen, is attached on the nickel screen, acquisition silver nanoparticle fiber can be collected by the mobile nickel screen and uniformly divided
The silver nanoparticle fiber membrane precursor of cloth；
The silver nanoparticle fiber membrane precursor is sintered, silver nanoparticle fiber membrane, the item of the sintering processes are obtained
Part is to keep the temperature 2 hours at 250 DEG C.
2. the method according to claim 1, wherein the silver precursor solution contains the inorganic salts of silver, high score
Son and solvent；
The inorganic salts of the silver are silver nitrate；
The macromolecule is PVP；
The solvent is acetonitrile,
The gas for forming the air-flow is selected from least one of compressed air, nitrogen, argon gas, helium.
3. a kind of silver nanoparticle fiber membrane, which is characterized in that prepared by method of any of claims 1 or 2.
4. a kind of equipment for preparing silver nanoparticle fiber membrane characterized by comprising
Injection-tube, for accommodating silver-colored precursor solution, the speed to introduce of the silver precursor solution is 0.05mL/h-0.5mL/h；
Syringe needle, the syringe needle are connected to the injection-tube, for projecting the silver-colored precursor solution；
Topping-up pump, the topping-up pump are connected with the injection-tube, for releasing the silver-colored precursor solution；
Feeder, for being stretched using air-flow to the fiber to obtain silver nanoparticle fiber, the speed of the air-flow with
The silver speed to introduce of precursor solution, viscosity match, formed the gas of the air-flow pressure be 0.001MPa extremely
20MPa；
Collector, the collector is nickel screen, for collecting the silver nanoparticle fiber, wherein the collector is mobile nickel screen,
The nickel screen is perpendicular from the direction that liquid injection pipe projects with the fiber, and the mobile nickel screen is the knot with small circular hollow out
The mesh size of structure, the mobile nickel screen is 20~300 mesh, and the silver nanoparticle fiber moves to the shifting under the action of air-flow
Dynamic nickel screen, is attached on the nickel screen, and it is equally distributed described to collect acquisition silver nanoparticle fiber by the mobile nickel screen
Silver nanoparticle fiber membrane precursor.
5. equipment according to claim 4, which is characterized in that the syringe needle is L-shaped.
6. a kind of electronic device, which is characterized in that contain silver nanoparticle fiber membrane as claimed in claim 3.
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| CN102493126A (en) * | 2011-11-04 | 2012-06-13 | 无锡中科光远生物材料有限公司 | Composite fiber material containing nanosilver and preparation method thereof |
| CN105189839A (en) * | 2013-04-29 | 2015-12-23 | 韩国生产技术研究院 | Electrospinning solution composition for preparing silver nanofiber |
| CN105895191A (en) * | 2016-06-24 | 2016-08-24 | 四川艾尔法泰克科技有限公司 | Low-temperature silver paste based on silver nano fibers and preparation method thereof |
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| CN106024099B (en) * | 2016-05-30 | 2018-03-27 | 兰州大学 | A kind of preparation method of electrospinning silver nanoparticle network of fibers flexible transparent conductive film |
| CN106012053A (en) * | 2016-08-09 | 2016-10-12 | 浙江大学 | Electro-spinning micro-nanofiber device and method for preparing micro-nanofiber |
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| CN102493126A (en) * | 2011-11-04 | 2012-06-13 | 无锡中科光远生物材料有限公司 | Composite fiber material containing nanosilver and preparation method thereof |
| CN105189839A (en) * | 2013-04-29 | 2015-12-23 | 韩国生产技术研究院 | Electrospinning solution composition for preparing silver nanofiber |
| CN106048783A (en) * | 2016-05-30 | 2016-10-26 | 天津工业大学 | Method for efficiently preparing titanium-based-carbon three-dimensional crimped nano fibers |
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