CN108057898A - A kind of continuous and automatic synthetic method of highly controllable metal nanometer line - Google Patents
A kind of continuous and automatic synthetic method of highly controllable metal nanometer line Download PDFInfo
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- CN108057898A CN108057898A CN201610978754.3A CN201610978754A CN108057898A CN 108057898 A CN108057898 A CN 108057898A CN 201610978754 A CN201610978754 A CN 201610978754A CN 108057898 A CN108057898 A CN 108057898A
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- gold
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- silver wire
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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
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
- B22F1/0547—Nanofibres or nanotubes
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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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- Inorganic Chemistry (AREA)
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- Condensed Matter Physics & Semiconductors (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a kind of continuous and automatic synthetic method of highly controllable metal nanometer line, the synthetic methods of nano silver wire：0.169g silver nitrates are weighed first and are dissolved in 5mL ethylene glycol；Then 110mg polyvinylpyrrolidones are weighed and are dissolved in 5mL ethylene glycol；It will be slowly injected into mentioned component at the same time section into micro-fluid reactor, be heated to 150 degrees Celsius, gather nano silver wire；The synthetic method of nanowires of gold：Prepare the hexadecyltrimethylammonium chloride aqueous solution of 5mL30wt% and the aqueous solution of 5mL gold chlorides；It will be slowly injected into above two solution at the same time section into micro-fluid reactor, outside applies ultraviolet light field, gather nanowires of gold, the continuous synthetic technology of microfluid is adopted as, the homogeneous degree of controllability of reaction condition is high, and it is extremely narrow to have synthesized size distribution, length is highly controllable, the highly homogeneous nano wire of component, it is reproducible between batch, and there is simple and easily parallel amplification.
Description
Technical field
The present invention relates to the highly controllable technical fields of Fully automated synthesis size component, are specially a kind of highly controllable metal
The continuous and automatic synthetic method of nano wire.
Background technology
The small size of nano material determines that nano material has skin effect, small-size effect, quantum effect and volume
Some special properties such as effect.Because the presence of these properties so that they are aobvious in light, electrochemistry, catalytic reaction etc.
The incomparable characteristic of traditional material is shown, meanwhile, also just because of these characteristics, nano material is just gradually being applied to respectively
A field, it is believed that its application will can be more and more extensive.
One of the member of nano wire as nano material because of its excellent optical property, electric property, mechanical property and urges
Change the characteristics such as performance and obtained the favor of Condensed Matter Physics circle, region of chemistry and material supply section educational circles researchers, in recent years
As the hot spot of nano materials research.At the same time, how and how the structural behaviour of nano wire so that the performance of nano wire
Perform to maximum and the important content to be studied of people.
The preparation of nano wire can be divided into Physical, chemical method and synthesis, and Physical has laser ablation method, laser deposition
Method, vaporization condensation process and arc discharge method；Chemical method has vapour deposition process, solution reaction hair, electrochemical process, polymerization and mould
Plate method etc., synthesis have evaporation suspension method, solid liquid phase arc discharge method and self-assembly method.The technique of most of Physical is more
Complexity, technical merit requirement is done, energy consumption is big, product quality is low, lack of homogeneity, is unfavorable for the experiment of large-scale production.Chemical method
With the solvent thermal reaction method in synthesis because its technique is relatively easy, have certain controllability due to be concerned.
However, the fluctuation of the solvent-thermal method factors such as due to the inhomogenous of reaction vessel local reaction condition and at any time,
Being easy to cause produced nanometer linear content and component cannot be accurately controlled, it is also difficult to obtain long nano wire.
The content of the invention
In view of the above problems, the present invention provides a kind of continuous and automatic synthetic method of highly controllable metal nanometer line,
It is adopted as the continuous synthetic technology of microfluid, the homogeneous degree of controllability of reaction condition is high, has synthesized that size distribution is extremely narrow, and length height can
It controls, the highly homogeneous nano wire of component, it is reproducible between batch, and have many advantages, such as simply with easy parallel amplification, it can
Effectively to solve the problems, such as in background technology.
To achieve the above object, the present invention provides following technical solution：A kind of highly controllable metal nanometer line it is continuous from
It is dynamic to be combined to method, the synthesis of synthesis and nano silver wire including nano silver wire；
The synthetic method of wherein nano silver wire includes the following steps：
Step (1.1) weighs 0.169g silver nitrates (AgNO3) and is dissolved in 5mL ethylene glycol, obtains solution I；
Step (1.2) weighs 110mg polyvinylpyrrolidones (PVP) and is dissolved in 5mL ethylene glycol, obtains solution
II；
Step (1.3), solution I and solution II are slowly injected into section at the same time into micro-fluid reactor, heating
To 150 degrees Celsius, nano silver wire is gathered；
The synthetic method of wherein nanowires of gold includes the following steps：
Step (2.1), hexadecyltrimethylammonium chloride (HTAC) aqueous solution for preparing 5mL30wt%；
Step (2.2), the aqueous solution for preparing 5mL gold chlorides (HAuC14)；
Step (2.3) will be slowly injected into two kinds of solution of above-mentioned steps at the same time section into micro fluid reaction
Device, outside apply ultraviolet light field, gather nanowires of gold.
Preferably, the aqueous solution of the gold chloride (HAuC14) is 0.5-40mmol/mL.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is adopted as the continuous synthetic technology of microfluid, reaction
The homogeneous degree of controllability of condition is high, has synthesized that size distribution is extremely narrow, and length is highly controllable, the highly homogeneous nano wire of component, batch it
Between it is reproducible, and there is simple and easily parallel amplification.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical solution in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art's all other embodiments obtained without making creative work, all
Belong to the scope of protection of the invention.
Embodiment：
The present invention provides a kind of technical solution：A kind of continuous and automatic synthetic method of highly controllable metal nanometer line, bag
Include the synthesis of nano silver wire and the synthesis of nano silver wire；
The synthetic method of wherein nano silver wire includes the following steps：
Step (1.1) weighs 0.169g silver nitrates (AgNO3) and is dissolved in 5mL ethylene glycol, obtains solution I；
Step (1.2) weighs 110mg polyvinylpyrrolidones (PVP) and is dissolved in 5mL ethylene glycol, obtains solution
II；
Step (1.3), solution I and solution II are slowly injected into section at the same time into micro-fluid reactor, heating
To 150 degrees Celsius, nano silver wire is gathered；
The synthetic method of wherein nanowires of gold includes the following steps：
Step (2.1), hexadecyltrimethylammonium chloride (HTAC) aqueous solution for preparing 5mL30wt%；
Step (2.2), the aqueous solution for preparing 5mL gold chlorides (HAuC14)；
Step (2.3) will be slowly injected into two kinds of solution of above-mentioned steps at the same time section into micro fluid reaction
Device, outside apply ultraviolet light field, gather nanowires of gold.
The present invention is adopted as the continuous synthetic technology of microfluid, and the homogeneous degree of controllability of reaction condition is high, has synthesized size distribution pole
Narrow, length is highly controllable, the highly homogeneous nano wire of component, reproducible between batch, and with simple and easy to be parallel
The advantages that amplification.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (2)
- A kind of 1. continuous and automatic synthetic method of highly controllable metal nanometer line, which is characterized in that the conjunction including nano silver wire Into and nano silver wire synthesis；The synthetic method of wherein nano silver wire includes the following steps：Step (1.1) weighs 0.169g silver nitrates (AgNO3) and is dissolved in 5mL ethylene glycol, obtains solution I；Step (1.2) weighs 110mg polyvinylpyrrolidones (PVP) and is dissolved in 5mL ethylene glycol, obtains solution II；Step (1.3), solution I and solution II are slowly injected into micro-fluid reactor in section at the same time, are heated to 150 Degree Celsius, gather nano silver wire；The synthetic method of wherein nanowires of gold includes the following steps：Step (2.1), hexadecyltrimethylammonium chloride (HTAC) aqueous solution for preparing 5mL30wt%；Step (2.2), the aqueous solution for preparing 5mL gold chlorides (HAuCl4)；Step (2.3) will be slowly injected into two kinds of solution of above-mentioned steps at the same time section into micro-fluid reactor, outside Portion applies ultraviolet light field, gathers nanowires of gold.
- A kind of 2. improved brushless electric motor rotor according to claim 1, which is characterized in that the gold chloride (HAuCl4) Aqueous solution be 0.5-40mmol/mL.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610978754.3A CN108057898A (en) | 2016-11-08 | 2016-11-08 | A kind of continuous and automatic synthetic method of highly controllable metal nanometer line |
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| CN201610978754.3A CN108057898A (en) | 2016-11-08 | 2016-11-08 | A kind of continuous and automatic synthetic method of highly controllable metal nanometer line |
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Cited By (3)
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|---|---|---|---|---|
| CN109706475A (en) * | 2019-01-02 | 2019-05-03 | 中山大学 | A heterojunction nanomaterial electrocatalyst and its application in CO2 reduction |
| WO2020019384A1 (en) * | 2018-07-27 | 2020-01-30 | 深圳市华科创智技术有限公司 | Silver nano ring preparation method |
| CN112024905A (en) * | 2020-07-08 | 2020-12-04 | 南京大学 | A method for large-scale synthesis of silver nanowires based on continuous flow technology |
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| WO2020019384A1 (en) * | 2018-07-27 | 2020-01-30 | 深圳市华科创智技术有限公司 | Silver nano ring preparation method |
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| CN112024905A (en) * | 2020-07-08 | 2020-12-04 | 南京大学 | A method for large-scale synthesis of silver nanowires based on continuous flow technology |
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