CN205732980U - The chemical laser of the copper micro-nano particle that the distribution of a kind of particle diameter is controlled is combined preparation system - Google Patents
The chemical laser of the copper micro-nano particle that the distribution of a kind of particle diameter is controlled is combined preparation system Download PDFInfo
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- CN205732980U CN205732980U CN201620408950.2U CN201620408950U CN205732980U CN 205732980 U CN205732980 U CN 205732980U CN 201620408950 U CN201620408950 U CN 201620408950U CN 205732980 U CN205732980 U CN 205732980U
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Abstract
This utility model is that the chemical laser of a kind of particle diameter controlled copper micro-nano particle of distribution is combined preparation system.Including magnetic stirring apparatus, stirrer, container, laser beam, lens；Wherein container is placed on magnetic stirring apparatus, is dissolved in copper-bath by sodium hypophosphite, and instills ammonia, then is dissolved wherein by Nickel dichloride., is eventually adding sodium hydrate regulator solution pH value；Use magnetic stirring apparatus, solution is sufficiently mixed；Again with the granule in laser bombardment solution, thus obtain the granule that particle diameter is less, by adjusting laser parameter, the granule that particle diameter distribution is different can be obtained；After gained aaerosol solution centrifugal drying, the copper granule of micro-nano size can be obtained.This utility model, without using expensive ultrafast laser equipment, is combined preparation system by chemical laser, so that it may preparation environmental friendliness, and particle diameter is distributed controlled, the micro-nano particle of good dispersion, has a good application prospect in association area.
Description
Technical field
This utility model is a kind of system for preparing copper micro-nano particle, belongs to the copper micro-nano that the distribution of a kind of particle diameter is controlled
The chemical laser of granule is combined the innovative technology of preparation system.
Background technology
Compared with general material, micro-nano particle is due to its small size and bigger specific surface area, thus has perhaps
The newest characteristic, these new features bring great inspiration and revolutionary shadow can to commercial Application and scientific research in the future
Ring.Therefore becoming the object of study of numerous scholar, from physical field to chemical field, many technology are all used to prepare difference
Micro-nano particle.Particularly in past 20 years, the preparation of micro-nano particle and and the application pass that acquisition educational circles is many especially
Note.Research finds, micro-nano particle has such as properties such as optics, magnetic, catalysis, and it was found that these character and micro-nano particle
Size have an important association, the particle diameter therefore controlling prepared micro-nano particle is just particularly important.
The most traditional micro-nano particle prepares method mainly chemical synthesis, high-energy ball milling method, pulse laser ablation method.
Operating process needed for expecting the micro-nano particle of relatively small particle, chemical synthesis is more complicated, it is more difficult to control
The particle diameter distribution of micro-nano particle, needs to use organic reagent, and environment exists certain pollution；And used by high-energy ball milling method
Device structure complexity, milling time length, powder efficient utilization are low, system caloric value is bigger.
Prepared by micro-nano particle for pulse laser ablation method, when target is particle, little bulk or micro-nano size
Granule be dispersed in the middle of at night thus form solution, then use laser irradiation, and constantly agitating solution.Slightly larger granule
It is melted or vaporizes, then form smaller size of granule.This process can be divided into two kinds: a. cold process of thermal process b..
Wherein, fusing caused by thermal process and the produced melt of vaporization and atom can re-form size more after cooling
Little microgranule.This process can change the shape of micro-nano particle, size, phase.For cold process, laser exposed material table
Face so that electronics from particle surface escape so that material surface only leaves positive charge, due to positive charge to particle its
The repulsive force of his part so that particle gradually divides, thus forms smaller micro-nano particle, thus reach to prepare micro-
Receive the purpose of granule.But for simple use pulse laser ablation method, the requirement to laser instrument used is higher, needs to make
Use expensive laser equipment, thus limit its range of application.The micro-nano particle formed for both processes, it is micro-
The particle diameter of granule received both depends on laser parameter.
Therefore the preparation system of the micro-nano particle that a kind of method is simple, cost is relatively low, the distribution of environmental friendliness, particle diameter is controlled is developed
System has great importance.
Summary of the invention
The purpose of this utility model be to consider the problems referred to above and provide that a kind of method is simple, cost is relatively low, environmental friendliness,
The preparation system of the copper micro-nano particle that particle diameter distribution is controlled.
The technical solution of the utility model is: the compound preparation of the chemical laser of the copper micro-nano particle that the distribution of a kind of particle diameter is controlled
System, includes magnetic stirring apparatus, stirrer, container, laser beam, lens；Wherein container is placed on magnetic stirring apparatus；Configured
Copper-bath mass concentration be 28g/L, in mixed solution, the mass concentration of sodium hypophosphite is 40g/L, ammonia in mixed solution
The volumetric concentration of water is 32ml/L, and in mixed solution, the mass concentration of Nickel dichloride. is 20g/L, adds sodium hydroxide by mixed solution
PH value be adjusted to 12；Early stage prepared by chemical reaction the frequency particle diameter of the copper granule of gained be distributed as 416.869 μm～
478.630μm；By pulse laser ablation, the frequency particle diameter of the copper micro-nano particle of final gained is distributed as 5.012 μm～5.754
μm。
Described system can be controlled the particle diameter distribution of prepared copper granule by the parameter adjusting pulse laser.
Advantage of the present utility model and providing the benefit that:
1, this utility model uses chemical laser to be combined preparation system, and this system is simple to operate, it is not necessary to use expensive
Laser instrument, cost is relatively low.
2, prepared copper micro-nano particle environmental friendliness, dispersibility are preferable, reunion degree is relatively low.
3, the particle diameter of prepared micro-nano particle can control by adjusting Pulsed Laser Parameters, therefore can realize grain
Footpath distribution is controlled.
4, prepared granule has significant warp in the application such as catalytic chemistry, semi-conducting material etc., micro-nano technology
Ji is worth.
Accompanying drawing explanation
Fig. 1 is this system experimental device schematic diagram.
In the drawings: 1. magnetic stirring apparatus, 2. stirrer, 3. container, 4. particle diameter reduce granule, 5. particle diameter bigger
Grain, 6. laser beam, 7. lens
Fig. 2 is the party's system process figure.
Fig. 3 is chemical reaction process and chemical equation
Fig. 4 is the particle diameter distribution of gained granule after the chemical reaction that laser particle analyzer records
Fig. 5 is the particle diameter distribution of gained micro-nano particle after the laser ablation that laser particle analyzer records
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in further detail.These embodiments are only to this utility model
Typical case's description, and should not be regarded as limiting scope of the present utility model.Under the spirit and scope conceived without departing substantially from utility model,
Those skilled in the art it is conceivable that change and advantage be all included in this utility model, and with appended claim
Book is protection domain.Implement process of the present utility model, condition, reagent, experimental technique etc., divided by the lower content mentioned specially it
Outward, being universal knowledege and the common knowledge of this area, this utility model is not particularly limited content.
Embodiment
Experimental provision schematic diagram of the present utility model is as it is shown in figure 1, the technological process of preparation is as in figure 2 it is shown, a kind of particle diameter
The chemical laser being distributed controlled copper micro-nano particle is combined preparation system, specifically includes following steps:
(1) in 100ml deionized water, 2.8g copper sulphate powder is added so that it is fully dissolve, be configured to sulfur in the container 1
Acid copper solution, the copper-bath mass concentration configured is 28g/L.Open magnetic stirring apparatus 3 so that stirrer 2 is at container 3
In be stirred continuously solution so that solution fully reacts, available blue solution；
(3) sodium hydroxide is then sequentially added so that the pH value of solution is 12；
(4) solution configured sufficiently is stirred, available blue turbid solution, solution now carries out chemistry
Reaction, chemical reaction process is as it is shown on figure 3, the bigger copper granule 5 of produced particle diameter, and its particle diameter is distributed as shown in Figure 4；
(5) setting pulse laser parameter, wherein, power 16W, repetition rate 50kHz, pulse width is 100ns, sweeps
Retouching number of times is 1000 times.By laser beam 6 by lens focus 7 inside solution, the copper granule 5 that in ablation solution, particle diameter is bigger,
Make particles by heat fusing even gasify, thus obtain the granule 4 that particle diameter reduces in the solution；
(6), after pulse laser ablation a period of time, stop laser ablation and magnetic stirrer, gained is suspended molten
Liquid centrifuge is centrifuged, and is then dried, and obtains copper micro-nano particle, and the particle diameter of gained granule is distributed as shown in Figure 5.
Obviously, above-described embodiment of the present utility model is only for clearly demonstrating this utility model example, and
It it is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.Here without also all of embodiment being given
Exhaustive.All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, should be included in
Within this utility model scope of the claims.
Claims (2)
1. the chemical laser of the copper micro-nano particle that particle diameter distribution is controlled is combined preparation system, it is characterised in that include magnetic force
Agitator, stirrer, container, laser beam, lens；Wherein container is placed on magnetic stirring apparatus；The copper-bath matter configured
Amount concentration is 28g/L, and in mixed solution, the mass concentration of sodium hypophosphite is 40g/L, and in mixed solution, the volumetric concentration of ammonia is
32ml/L, in mixed solution, the mass concentration of Nickel dichloride. is 20g/L, adds sodium hydroxide and the pH value of mixed solution is adjusted to 12；
Early stage is prepared the frequency particle diameter of the copper granule of gained and is distributed as 416.869 μm～478.630 μm by chemical reaction；Pass through pulse
Laser ablation, the frequency particle diameter of the copper micro-nano particle of final gained is distributed as 5.012 μm～5.754 μm.
The chemical laser of the copper micro-nano particle that a kind of particle diameter the most according to claim 1 distribution is controlled is combined preparation system,
It is characterized in that, the particle diameter distribution of prepared copper granule can be controlled by the parameter adjusting pulse laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408950.2U CN205732980U (en) | 2016-04-27 | 2016-04-27 | The chemical laser of the copper micro-nano particle that the distribution of a kind of particle diameter is controlled is combined preparation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620408950.2U CN205732980U (en) | 2016-04-27 | 2016-04-27 | The chemical laser of the copper micro-nano particle that the distribution of a kind of particle diameter is controlled is combined preparation system |
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| Publication Number | Publication Date |
|---|---|
| CN205732980U true CN205732980U (en) | 2016-11-30 |
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| CN201620408950.2U Active CN205732980U (en) | 2016-04-27 | 2016-04-27 | The chemical laser of the copper micro-nano particle that the distribution of a kind of particle diameter is controlled is combined preparation system |
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2016
- 2016-04-27 CN CN201620408950.2U patent/CN205732980U/en active Active
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