CN109261983A - A kind of preparation method of ultra-fine high length-diameter ratio silver nanowires - Google Patents
A kind of preparation method of ultra-fine high length-diameter ratio silver nanowires Download PDFInfo
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- CN109261983A CN109261983A CN201811401028.0A CN201811401028A CN109261983A CN 109261983 A CN109261983 A CN 109261983A CN 201811401028 A CN201811401028 A CN 201811401028A CN 109261983 A CN109261983 A CN 109261983A
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000002042 Silver nanowire Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 9
- 239000013078 crystal Substances 0.000 claims abstract description 8
- 239000005457 ice water Substances 0.000 claims abstract description 7
- 239000002904 solvent Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 229920005862 polyol Polymers 0.000 claims abstract description 5
- 150000003077 polyols Chemical class 0.000 claims abstract description 5
- 238000002203 pretreatment Methods 0.000 claims abstract description 5
- 238000010792 warming Methods 0.000 claims abstract description 4
- 239000012467 final product Substances 0.000 claims abstract description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 27
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 claims description 22
- 239000000243 solution Substances 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 235000019441 ethanol Nutrition 0.000 claims description 7
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 claims description 6
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 claims description 6
- 239000012046 mixed solvent Substances 0.000 claims description 6
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 6
- 150000005846 sugar alcohols Polymers 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- CQLFBEKRDQMJLZ-UHFFFAOYSA-M silver acetate Chemical compound [Ag+].CC([O-])=O CQLFBEKRDQMJLZ-UHFFFAOYSA-M 0.000 claims description 2
- 229940071536 silver acetate Drugs 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000002086 nanomaterial Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 238000005119 centrifugation Methods 0.000 description 4
- 239000002105 nanoparticle Substances 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000002070 nanowire Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 2
- 230000002500 effect on skin Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010189 synthetic method Methods 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- 206010054949 Metaplasia Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 208000012826 adjustment disease Diseases 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 239000012675 alcoholic extract Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229940006460 bromide ion Drugs 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000015689 metaplastic ossification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 nanometer Stick Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000004917 polyol method Methods 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 230000005476 size effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
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- 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
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- Condensed Matter Physics & Semiconductors (AREA)
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Abstract
A kind of preparation method of ultra-fine high length-diameter ratio silver nanowires, the following steps are included: 1) weighed silver-colored source and PVP are dispersed in the polyol solvent by pre-treatment, heating stirring is carried out in 60 DEG C of water-bath, until silver-colored source is completely dissolved, obtains transparent orange solution；2) suitable crystal seed coverture and reducing agent are added in the orange solution into step 1) using double syringe, at this point, maintaining reaction temperature at 80 DEG C, stirs 10-60min；3) after the completion of the pre-reaction in step 2, reaction vessel is warming up to 90-110 DEG C of reaction 3-5h again with the heating rate of 1-3 DEG C/min；4) chilling after the reaction was completed to step 3), is carried out to reaction solution using ice-water bath, final product can be obtained in then washed, centrifugal treating.
Description
Technical field
The present invention relates to field of new material preparation, especially transparent conductive electrode preparation field, and in particular to a kind of ultra-fine
The preparation method of high length-diameter ratio silver nanowires.
Background technique
It is well known that nano material has 5 big apparent advantages, first, bulk effect, when the size and biography of nano material
When the de Broglie wavelength of conductive son is suitable, the periodic boundary of nano material will be destroyed, and then its magnetic, light, electricity, mechanics etc.
Performance can all mutate；Second, quantum size effect；Third, quantum tunneling effect, i.e., when particle size is small to a certain extent
When, just it is provided with the ability through potential barrier；Fourth, Dielectric confinement effect；Fifth, skin effect, so-called skin effect refer to
The reduction of nano material partial size, the ratio between nano-material surface atom and total atom number sharply increase.The comprehensive of these advantages makees
With so that nano material is different from traditional macroscopical bulk, in turn, the further investigation for nano material is always in recent years
Research hotspot.
For ten million kind of nano material, different materials has totally different performance.Different material or even identical
The different-shape of material can all be applied to have a great impact.Currently, studying more nanotopography has nano particle, nanometer
Stick, nano wire, nanometer sheet and above-mentioned various patterns assembly.
Silver nanowires be it is a kind of there is widely applied monodimension nanometer material, be commonly used for solar panel, organic
Light emitting diode, display, touch screen, intelligence screen, the manufacture of opto-electronic device, photocatalysis, sterilizing and electromagnetic shielding etc.
Field.By taking transparent conductive electrode as an example, wherein ITO is main conductive material used in the prior art.However, indium supply
Finiteness and ITO(tin indium oxide) higher manufacturing cost, inevitable mechanical equivalent of light fragility be its following dominating position
Shade is coverd with.It is compared to ITO, silver nanowires has better flexibility and photoelectric properties.Diameter and draw ratio are to determine
Two key structural features of silver nanowires transparent conductive electrode performance.Specifically, the diameter with nanowire mesh of silver nanowires are thin
The scattering size of film be it is proportional, it is related that draw ratio with nano wire connect quantity.Therefore, high performance transparent conductive electrode needs
There are smaller diameter and higher draw ratio, but this has very big challenge for the synthesis of silver nanowires.
Polyol process preparation silver nanowires is current most widely used method (referring to grinding for Xia Younan, Sun Yugang et al.
Study carefully paper).But the silver nanowires diameter prepared is typically larger than 60nm, and draw ratio is less than 300.To reduce the diameter, major diameter is improved
Than the polyalcohol synthetic method of some improvement is occurred.The PVP by adjusting different molecular weight proposed such as Ye Changhui et al.
Proportion, to obtain the silver nanowires of different-diameter；Li et al. people is controlled by introducing coverture in the particular crystal plane of silver-colored crystal seed
The diameter for having made silver nanowires, has obtained ultra-fine high length-diameter ratio silver nanowires, and diameter is even less than 20nm；And in Jang etc.
In the newest research of people, have found that a kind of unconventional method, this method can obtain the silver nanoparticle that diameter is 15nm or so
Line, but need very high pressure.Compared with the ITO under equal conditions (50 Ω/sq, light permeable rate 95%), these ultra-fine high major diameters
The silver nanowires film of ratio shows fabulous electrode performance.Although for the controlledly synthesis of silver nanowires achieve it is certain into
Step, but conducting wire of the synthesis less than 20nm is still a popular research topic under the conditions of benign environment.
Summary of the invention
The object of the present invention is to provide a kind of preparation methods simply, convenient for the ultra-fine high length-diameter ratio silver nanoparticle of large scale preparation
Line does not need not needing expensive consersion unit using harsh reaction condition, and preparation reaction temperature is low, and the time is short, institute
It is uniform to obtain silver nanowires pattern, there is apparent advantage in transparent conductive electrode application aspect.
Pass through the method in combing existing literature about synthesis of silver nano-wire, it has been found that the diameter of silver nanowires can lead to
Adjustment reaction reducing power is crossed to change.In classical polyalcohol synthetic method, reducing agent mostlys come from ethylene glycol at high temperature
Decomposition, decompose generate alcoholic extract hydroxyl group have certain reproducibility.But the reduction dependent on ethylene glycol, reduce the party
The controllability to silver nanowires diameter of method, such as in low-temperature region, ethylene glycol is substantially regardless of solution, it is difficult to realize effective go back
It is former.In this regard, it is considered that adding other high-efficiency reducing agents is a kind of feasible method for solving the problems, such as this.
Accordingly, we have proposed a kind of preparation methods for preparing ultra-fine high length-diameter ratio silver nanowires, and pass through this method reality
The preparation of high quality silver nanowires transparent conductive electrode is showed.
Specifically, a kind of preparation method of ultra-fine high length-diameter ratio silver nanowires, comprising the following steps:
1) weighed silver-colored source and PVP are dispersed in the polyol solvent by pre-treatment, are carried out in 60 DEG C of water-bath
Heating stirring obtains transparent orange solution until silver-colored source is completely dissolved；
2) suitable crystal seed coverture and reducing agent are added in the orange solution into step 1) using double syringe, at this point,
Maintaining reaction temperature stirs 10-60min at 80 DEG C；
3) after the completion of the pre-reaction in step 2, reaction vessel is warming up to 90-110 again with the heating rate of 1-3 DEG C/min
DEG C reaction 3-5h；
4) after the reaction was completed to step 3), using ice-water bath to reaction solution carry out chilling, then washed, centrifugal treating, i.e.,
Final product can be obtained.
Further, silver-colored source refers to one of silver nitrate or silver acetate in the step 1)；The polyalcohol be by
The ethyl alcohol and ethylene glycol mixed solvent that volume ratio 1:2 is prepared, the polyalcohol pre-treatment refer to prepared mixing is polynary
Alcoholic solvent is bubbled processing 20-40min under hydrogen, it is to note that this step will carry out in draught cupboard.
Further, crystal seed coverture refers to sodium bromide, concentration of aqueous solution 0.02-0.1g/mL in the step 2；
The reducing agent be hydrazine hydrate, and in double syringe two pipes injection speed it is identical, be 1-3mL/min.
Concrete principle of the invention are as follows: firstly, introducing new group thereto using different and previous polyol solvents
Divide-ethyl alcohol, ethyl alcohol can produce certain vapour pressure；Secondly, the use of sodium bromide being coverture, bromide ion therein can select
Selecting property is covered on (100) crystal face, inhibits its radial growth；Finally, can be given birth in a short time under the action of strong reductant
It is brilliant at a large amount of silver nanoparticle, to obtain ultra-fine high length-diameter ratio silver nanowires, wherein the use of double syringe has the reaction
It is significant, it can make coverture is synchronous with reduced nano crystalline substance to carry out.
Compared with prior art, the present invention achieves following advantageous effects:
By proposing a kind of method using strong reductant and in double notes to the combing in existing literature about silver nanowires synthesis
Under emitter and the collective effect of double solvents, ultra-fine high length-diameter ratio silver nanowires is obtained, this method is simple, is easily enlarged metaplasia
When producing, and the silver nanowires of preparation being used for the preparation of transparent conductive electrode, good effect is achieved.It is prepared in the present invention
Silver nanowires diameter is 8-10nm, and draw ratio is greater than 3000, and the transparent conductive electrode of preparation is the case where surface resistance is 28 Ω/sq
Under, light transmission rate can achieve 96%.
Detailed description of the invention
The TEM photo of ultra-fine high length-diameter ratio silver nanowires prepared by Fig. 1 embodiment of the present invention 1；
When ultra-fine high length-diameter ratio silver nanowires prepared by Fig. 2 embodiment of the present invention 2 is used for transparent electrode, unit area silver content
With the relational graph of surface resistance；
Fig. 3 present invention implements the XRD spectrum of the ultra-fine high length-diameter ratio silver nanowires of 3 preparations.
Specific embodiment
Technical solution in the embodiment of the present invention is purged complete description below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, and based on the embodiments of the present invention, those skilled in the art are original
On the basis of improvement, belong to protection scope of the present invention.
Embodiment 1
The silver nitrate and 1gPVP for weighing 0.5g are dispersed with stirring the in the mixed solvent of ethyl alcohol and ethylene glycol in 60mL, stirring it is same
When, the sodium bromide solution that suitable concentration is 0.02mg/mL is prepared, after mixing evenly, using double syringe with the speed of 1mL/min
Degree injects sodium bromide solution and hydrazine hydrate in reaction solution simultaneously, reacts 40min at 80 DEG C；Later by reaction vessel after of continuing rising
Temperature is to 100 DEG C and reacts 5h.After reaction, it takes out reaction vessel to be rapidly cooled using ice-water bath, later using conventional
Washing, centrifugation.
Embodiment 2
The silver nitrate and 1gPVP for weighing 0.5g are dispersed with stirring the in the mixed solvent of ethyl alcohol and ethylene glycol in 60mL, stirring it is same
When, the sodium bromide solution that suitable concentration is 0.1mg/mL is prepared, after mixing evenly, using double syringe with 1.5mL/min's
Speed injects sodium bromide solution and hydrazine hydrate in reaction solution simultaneously, reacts 40min at 80 DEG C；Reaction vessel is continued later
It is warming up to 100 DEG C and reacts 5h.After reaction, it takes out reaction vessel to be rapidly cooled using ice-water bath, later using normal
Washing, the centrifugation of rule.
Embodiment 3
The silver nitrate and 1gPVP for weighing 0.5g are dispersed with stirring the in the mixed solvent of ethyl alcohol and ethylene glycol in 60mL, stirring it is same
When, the sodium bromide solution that suitable concentration is 0.02mg/mL is prepared, after mixing evenly, using double syringe with the speed of 1mL/min
Degree injects sodium bromide solution and hydrazine hydrate in reaction solution simultaneously, reacts 40min at 80 DEG C；Later by reaction vessel after of continuing rising
Temperature is to 110 DEG C and reacts 3h.After reaction, it takes out reaction vessel to be rapidly cooled using ice-water bath, later using conventional
Washing, centrifugation.
Embodiment 4
The silver nitrate and 12gPVP for weighing 5g are dispersed with stirring the in the mixed solvent of ethyl alcohol and ethylene glycol in 500mL, stirring it is same
When, the sodium bromide solution that suitable concentration is 0.05mg/mL is prepared, after mixing evenly, using double syringe with the speed of 2mL/min
Degree injects sodium bromide solution and hydrazine hydrate in reaction solution simultaneously, reacts 40min at 80 DEG C；Later by reaction vessel after of continuing rising
Temperature is to 100 DEG C and reacts 5h.After reaction, it takes out reaction vessel to be rapidly cooled using ice-water bath, later using conventional
Washing, centrifugation.
The above content is just an example and description of the concept of the present invention, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Design or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (8)
1. a kind of preparation method of ultra-fine high length-diameter ratio silver nanowires, it is characterised in that: method includes the following steps:
1) weighed silver-colored source and PVP are dispersed in the polyol solvent by pre-treatment, are carried out in 60 DEG C of water-bath
Heating stirring obtains transparent orange solution until silver-colored source is completely dissolved；
2) suitable crystal seed coverture and reducing agent are added in the orange solution into step 1) using double syringe, at this point,
Maintaining reaction temperature stirs 10-60min at 80 DEG C；
3) after the completion of the pre-reaction in step 2, reaction vessel is warming up to 90-110 again with the heating rate of 1-3 DEG C/min
DEG C reaction 3-5h.
4) after the reaction was completed to step 3), using ice-water bath to reaction solution carry out chilling, then washed, centrifugal treating, i.e.,
Final product can be obtained.
2. a kind of preparation method of ultra-fine high length-diameter ratio silver nanowires according to claim 1, it is characterised in that: the step
It is rapid 1) in silver-colored source refer to one of silver nitrate or silver acetate.
3. a kind of preparation method of ultra-fine high length-diameter ratio silver nanowires according to claim 1, it is characterised in that: the step
It is rapid 1) in polyalcohol be by volume 1:2 prepare ethyl alcohol and ethylene glycol mixed solvent.
4. a kind of preparation method of ultra-fine high length-diameter ratio silver nanowires according to claim 1, it is characterised in that: the step
It is rapid 1) in polyalcohol pre-treatment refer to prepared polyols blend solvent is bubbled under hydrogen processing 20-40min.
5. a kind of preparation method of ultra-fine high length-diameter ratio silver nanowires according to claim 1, it is characterised in that: the step
It is rapid 2) in crystal seed coverture refer to sodium bromide, concentration of aqueous solution 0.02-0.1g/mL.
6. a kind of preparation method of ultra-fine high length-diameter ratio silver nanowires according to claim 1, it is characterised in that: the step
It is rapid 2) described in reducing agent be hydrazine hydrate, using double syringe, and in double syringe two pipes injection speed it is identical, be 1-
3mL/min。
7. a kind of preparation method of ultra-fine high length-diameter ratio silver nanowires according to claim 1, it is characterised in that: preparation
Silver nanowires diameter is 8-10nm, and draw ratio is greater than 3000.
8. -7 any ultra-fine high length-diameter ratio silver nanowires according to claim 1 is used for transparent conductive electrode preparation.
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Cited By (7)
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| CN110355359A (en) * | 2019-08-09 | 2019-10-22 | 陕西煤业化工技术研究院有限责任公司 | A kind of ultra-fine silver nanowires and preparation method thereof |
| CN110640163A (en) * | 2019-10-18 | 2020-01-03 | 上海交通大学 | A method for preparing ultra-fine and ultra-high aspect ratio silver nanowires |
| CN110787828A (en) * | 2019-10-23 | 2020-02-14 | 西北工业大学 | Preparation method of AgNWs/g-C3N4 photodegradation catalyst |
| CN111001820A (en) * | 2019-12-31 | 2020-04-14 | 海泰纳鑫科技(成都)有限公司 | Nano silver wire and preparation method and application thereof |
| CN112705725A (en) * | 2020-12-17 | 2021-04-27 | 紫金矿业集团股份有限公司 | Method for synthesizing superfine silver nanowires by utilizing low-temperature nucleation |
| CN115870510A (en) * | 2022-11-29 | 2023-03-31 | 德清县浙工大莫干山研究院 | A method for the preparation of ultrafine silver nanowires assisted by moisture |
| EP4190464A4 (en) * | 2020-07-01 | 2024-11-13 | Microwave Chemical Co., Ltd. | METHOD FOR THE PRODUCTION OF SILVER ANOWIRE |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355359A (en) * | 2019-08-09 | 2019-10-22 | 陕西煤业化工技术研究院有限责任公司 | A kind of ultra-fine silver nanowires and preparation method thereof |
| CN110640163A (en) * | 2019-10-18 | 2020-01-03 | 上海交通大学 | A method for preparing ultra-fine and ultra-high aspect ratio silver nanowires |
| CN110640163B (en) * | 2019-10-18 | 2021-11-30 | 上海交通大学 | Method for preparing superfine silver nanowires with ultrahigh length-diameter ratio |
| CN110787828A (en) * | 2019-10-23 | 2020-02-14 | 西北工业大学 | Preparation method of AgNWs/g-C3N4 photodegradation catalyst |
| CN110787828B (en) * | 2019-10-23 | 2022-12-06 | 西北工业大学 | Preparation method of AgNWs/g-C3N4 photodegradation catalyst |
| CN111001820A (en) * | 2019-12-31 | 2020-04-14 | 海泰纳鑫科技(成都)有限公司 | Nano silver wire and preparation method and application thereof |
| EP4190464A4 (en) * | 2020-07-01 | 2024-11-13 | Microwave Chemical Co., Ltd. | METHOD FOR THE PRODUCTION OF SILVER ANOWIRE |
| CN112705725A (en) * | 2020-12-17 | 2021-04-27 | 紫金矿业集团股份有限公司 | Method for synthesizing superfine silver nanowires by utilizing low-temperature nucleation |
| CN115870510A (en) * | 2022-11-29 | 2023-03-31 | 德清县浙工大莫干山研究院 | A method for the preparation of ultrafine silver nanowires assisted by moisture |
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