CN106744676A - The device and its synthetic method of glow discharge synthesizing nano-particle - Google Patents
The device and its synthetic method of glow discharge synthesizing nano-particle Download PDFInfo
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- CN106744676A CN106744676A CN201710048402.2A CN201710048402A CN106744676A CN 106744676 A CN106744676 A CN 106744676A CN 201710048402 A CN201710048402 A CN 201710048402A CN 106744676 A CN106744676 A CN 106744676A
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
- B82B3/0009—Forming specific nanostructures
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- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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Abstract
The present invention is the method for the glow discharge synthesizing nano-particle based on laser assisted, belong to plasma electrochemistry formated field of nanometer material technology, the plasma produced on glow discharge device metal anode surface using laser, the plasma that induced with laser is produced produces cooperative effect with the plasma that glow discharge is produced and collective effect is in precursor liquid, so as to exacerbate glow discharge phenomenon, solve the problems, such as that existing glow discharge technique volume of plasma is small, discharge time is short, electrolyte is electrolysed insufficient and nano-particle Product size fluctuation larger.The method of the glow discharge synthesizing nano-particle of disclosed laser assisted, the plasma of the effective high-energy-density for producing high power laser light induction is coupled with glow discharge plasma, prepare nano-particle efficiency and the controllable ability of nano-particles size is greatly improved, reach auxiliary glow discharge and the quickly and efficiently purpose of synthesizing nano-particle.Can be used for the pre-prepared production of quick nano-particle.
Description
Technical field
The present invention relates to the device and its synthetic method of a kind of glow discharge synthesizing nano-particle, belong to plasma electrification
Learn nano materials field.
Background technology
Since 20 century 70s, with growing, the current material science research work of people of material science
The one-dimensional or one-dimensional fibrous material of two peacekeepings is gradually extended to from three-dimensional body, nanoscale structures material is referred to as nano material,
Broadly refer at least one-dimensional general name in nanoscale scope ultrafine particles material in three dimensions.With nanometer material
Expect the progress of manufacturing technology, the division that the technology of nano materials is total is exactly physical method and chemical method, common physics
Method is such as：(1) vacuum condensation method：The methods such as this method vacuum evaporation, heating, high-frequency induction make material gasification or formation etc.
Particle body, is then quenched, and its feature purity is high, crystalline structure is good, granularity is controllable, but technical equipment requirement is high.(2) physical crushing
Method and mechanical attrition method：Both approaches feature is：Simple to operate, low cost, but product purity is low, distribution of particles is uneven.
Common chemical method has：(1) vapour deposition process：Using the chemical reactive synthesis nano material of metal compound vapor, feature
Product purity high, narrow particle size distribution, but it is high to there is manufacture craft requirement, temperature control when such as working, reaction terminate after gas
The shortcomings of body product is poisonous.(2) precipitation method：Precipitating reagent is added in salting liquid and is reacted, precipitation is thermally treated resulting in a nanometer material
Material.Its feature is simple and easy to apply, but purity is low, and particle radius are big.(3) method of sol-gel：Metallic compound is through solution, molten
The solidification of liquid-gel method, Low Temperature Heat Treatment and generate nano-particle.Its feature reaction species is more, product grain is homogeneous, and process is easy
Control, the preparation for being adapted to oxide and II~VI compounds of group.But the raw material needed for existing are expensive, and chemical time is long
The problems such as.
Glow discharge plasma electrolysis tech is a kind of novel, green new technology, and 2005 afterwards, glow discharge
Have using getting growing concern in the industry of the large-sized pretreatment of nano-particle, during this and much put on aura
The method of electrically prepared nano-particle is suggested, but be that by it is little, and major part is on metal nanoparticle
It is pre-prepared, so more research is in the case of to glow discharge, the principle of the growth mechanisms of nano-particle understands.
So-called glow discharge synthesizing nano-particle, its principle is using DC high-voltage source high pressure to be produced between electrode and swashed
Electronics is sent, when voltage exceedes breakdown voltage, traditional electrolyte is changing to glow discharge, and produces in a liquid local etc.
Gas ions, plasma and the matter interaction of generation can produce particle diameter in the nano-particle of 20~200nm, whole process
Electrolytic process is in 30~60min.Usual glow discharge has specific requirement to electrode temperature required nearby, pressure, grinds
Study carefully and show identical voltage, at high temperature under high pressure easily obtain plasma, usual cell reaction along with electroplating reaction, that is,
Cathode surface meeting adsorbing electrolyte, causes negative electrode electrical conductivity to decline so as to influence glow discharge electrolysis efficiency and plasma strong
Degree, the nano-particle produced by transmission electron microscope observation, discovery has that purity is low, distribution of particles is uneven, particle is big
Small uncontrollable problem.So its industry is limited in terms of power supply, the electrolytic environments of glow discharge plasma are produced should
With.
The content of the invention
Regarding to the issue above, the present invention provides a kind of method of the glow discharge synthesizing nano-particle based on laser assisted,
Solve existing glow discharge produce that plasma technique preparation efficiency is low, particle size fluctuation is big, skewness and electric discharge
Time not lasting problem.
The present invention is achieved by the following technical solutions：
In a first aspect, the invention provides a kind of device of glow discharge synthesizing nano-particle, it includes high voltage power supply, sun
Pole electrode, cathode electrode, laser, electrolytic cell and entrance lens, the anode electrode, cathode electrode and entrance lens are respectively provided with
Extend to inside electrolytic cell through the oral area of electrolytic cell in the oral area of electrolytic cell, and cathode electrode and anode electrode, the high pressure
Between cathode electrode and anode electrode, the laser is arranged at the surface of entrance lens to power electric connection.
Preferably, the device of the glow discharge synthesizing nano-particle also includes thermometer, and the thermometer sets
The oral area of electrolytic cell is placed in, and is extended to inside electrolytic cell.
Preferably, it is additionally provided with water bath sleeve on the outside of the electrolytic cell.
Preferably, the laser is continuous wave laser or pulse laser.
Preferably, in the form of sheets, the cathode electrode is in thread or bar-shaped for the anode electrode.
Preferably, the battery lead plate of anode electrode and the eletrode tip of cathode electrode are vertically put in the way of point is to plate
Put.
Preferably, the material of the cathode electrode and anode electrode be selected from including platinum, graphite, copper, stainless steel,
One kind in iron, titanium dioxide, gold, silver, cobalt, nickel and aluminium.
Preferably, described high voltage power supply includes linear direct current regulated power supply, switching dc voltage-stabilized power supply, silicon
Commutating DC voltage-stabilized power supply, induction type D.C. regulated power supply, pulse dc power.
Second aspect, receives present invention also offers a kind of device synthesis using foregoing glow discharge synthesizing nano-particle
The method of rice corpuscles, it comprises the following steps：
Precursor solution is prepared in electrolytic cell；
Opening high voltage power supply and laser, and the surface of the focus incident laser beams in anode electrode of laser is adjusted,
Glow discharge synthesis is carried out under conditions of stirring, heating and current intensity constant, nano-particle is obtained.
Preferably, the preparation method of the precursor solution is：
By electrolyte solution and water-soluble sample blending to be electrolysed, precursor solution is obtained.
Preferably, the electrolyte be nano-particle solution, strong base solution, nitrate solution, carbonate solution,
Phosphate, sulfate liquor or metal salt solution.
Preferably, water-soluble sample existence form includes powder or solution.
Preferably, the control method of the current intensity constant is：
When current strength is raised, add distilled water to increase the resistance of precursor solution；
When current strength reduces, electrolyte solution composition identical electrolyte solution is to reduce in adding precursor solution
The resistance of precursor solution.
Principle of the invention is：Laser plasma can be produced after being focused on due to superpower laser, this is a kind of
Efficiently, stabilization, the green energy, therefore the present invention is produced using laser in glow discharge device metal anode spatial induction
Plasma, with energy density it is high, local heat effect is big the features such as, can effective excitation anode plate surface electronics, and produce
Internal field, abundant active particle promotes the formation of glow discharge plasma.This method effectively lures high power laser light
The plasma of the high-energy-density of artificial delivery life is coupled with glow discharge plasma, increased the big of glow discharge plasma
It is small, plasma internal energy density is improve, compared compared with glow discharge technique, prepare nano-particle efficiency and nanometer
The controllable ability of particle size is greatly improved.The method of the glow discharge synthesizing nano-particle based on laser assisted is in electricity simultaneously
Stronger liquid inhomogeneities, the high energy active particle that induced with laser is produced are produced near negative electrode can inhibit electrode cathode surface
The plating phenomenon of generation, increased glow discharge time, the intensity of steady glow electric discharge.Glow discharge meeting in solution in addition
As electrolysis time increases, electric discharge phenomena gradually weaken will not even produce plasma, for this problem, invent basis
The change of source current registration I is turned to feedback, is subsequently adding the side that corresponding appropriate electrolyte solution carrys out enhanced discharge phenomenon
Method.
Therefore, compared with prior art, the present invention has following beneficial effect：
The method of a kind of glow discharge synthesizing nano-particle based on laser assisted that the present invention is provided, using laser in electricity
The HTHP plasma that interpolar is produced, synergy is produced with the plasma that glow discharge is produced, and can be produced for a long time
Raw plasma simultaneously carries out cell reaction, so as to reduce the threshold voltage of glow discharge, optimization produces glow discharge plasma
Environment.Simultaneously by observing the change of electric current registration, concentration of electrolyte is adjusted so that glow discharge plasma intensity tends to steady
It is fixed.Laser-produced plasma can effectively suppress the reaction of electrode cathode electroplating surface, increase cathode point surface conductivity.When
During using DC pulse source, glow discharge plasma intensity is significantly improved, and electrolysis is strengthened.The apparatus structure
Simply, operating process is succinct, is produced without other pollutants, plasma intensity that laser and high direct voltage electric discharge promote to produce,
Stability is improved, such that it is able to produce the nano-particle that purity is higher, particle diameter is smaller.
Brief description of the drawings
The detailed description made to non-limiting example with reference to the following drawings by reading, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural representation of the device of glow discharge synthesizing nano-particle in the present invention；
Fig. 2 is 300V, 3A DC source, nanosecond laser, nano particle TEM (a) figure of silver nano solution synthesis and granularity
Distribution (b)；
Fig. 3 is 800V, 5A clock, picosecond laser, nano particle TEM (a) figure of copper nano-solution synthesis and granularity
Distribution (b)；
Fig. 4 is 800V, 5A clock, picosecond laser, nano particle TEM (a) figure of silver nano solution synthesis and granularity
Distribution (b)；
In figure：1st, high voltage power supply；2nd, anode electrode；3rd, cathode electrode；4th, laser；5th, electrolytic cell；6th, water bath sleeve；7th, stir
Mix magneton；8th, thermometer；9th, entrance lens；10th, magnetic agitation heater.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
A kind of structure of the device of glow discharge synthesizing nano-particle that the present invention is provided is as shown in figure 1, including high-tension electricity
Source 1, anode electrode 2, cathode electrode 3, laser 4, electrolytic cell 5 and entrance lens 9, anode electrode 2, cathode electrode 3 and incidence
Lens 9 may be contained within the oral area of electrolytic cell 5, and cathode electrode 3 and anode electrode 2 pass through the oral area of electrolytic cell 5 in electrolytic cell 5
Portion extends, and high voltage power supply 1 is electrically connected between cathode electrode 3 and anode electrode 2, and laser 4 is arranged at just going up for entrance lens 9
Side.When using, also magnetic agitation heater 10 can be placed in electrolytic cell bottom according to stirring magneton 7 is put into inside electrolytic cell.
For the ease of temperature control, the device of glow discharge synthesizing nano-particle also includes thermometer 8, and thermometer 8 is set
In the oral area of electrolytic cell 5, and extend to inside electrolytic cell 5.
For the ease of heating, the outside of electrolytic cell 5 is additionally provided with water bath sleeve 6.
Laser is continuous wave laser or pulse laser, and in the form of sheets, the cathode electrode is in thread or rod to anode electrode
Shape.
The battery lead plate of anode electrode and the eletrode tip of cathode electrode are disposed vertically in the way of point is to plate.Existed using laser
Glow discharge device metal anode spatial induction produce plasma, with energy density it is high, local heat effect is big the features such as,
Can effective excitation anode plate surface electronics, and produce internal field, abundant active particle promotes glow discharge plasma
Formed.
The material of cathode electrode and anode electrode be selected from including platinum, graphite, copper, stainless steel, iron, titanium dioxide, gold,
One kind in silver, cobalt, nickel and aluminium.High voltage power supply includes that linear direct current regulated power supply, switching dc voltage-stabilized power supply, silicon rectifier are straight
Stream voltage-stabilized power supply, induction type D.C. regulated power supply, pulse dc power.
Embodiment 1
Using 300V, 3A DC sources, nanosecond laser, silver nano solution, graphite electrode and platinum plate electrode are to making dioxy
Change titanium nano-solution.
1st, electrolyte is prepared：First electricity is poured into the titania powder of 30ml Nano silver solutions, the distilled water of 20ml, 0.1g
Xie Chizhong, opens magnetic agitation heater and rotates stirring magneton with 1000 turns/min, and mixing time is 20min, and that uses receives
The silver-colored solution concentration of rice is 1000ppm, and Nano silver grain particle diameter is 10nm.
2nd, electrode pair is made：After solution stirs, electrode pair is put into electrolytic cell, the electrode anode used here
It is platinized platinum, platinized platinum specification is 10mm*10mm*1mm, and negative electrode graphite electrode, the bar-shaped electrode specification of graphite is Φ 5mm*10cm, and
And the thin graphite tips of Φ 0.1mm are worn into graphite electrode end, it is outside one's consideration except 3mm is long at graphite rod tip, with insulating tape naked
Dew remaining part is wound is sealed, and the asbestos fibre pipe of heat-blocking action has been inserted on whole graphite rod, then will
The graphite electrode relative position as shown in Figure 1 with platinum plate electrode is disposed vertically, and graphite electrode tip is with a distance from platinized platinum surface
It is 1mm.
3rd, electrolyte preheating：Start next step when electrolyte being heated into 80 DEG C with magnetic agitation heater.
4th, connect dc source and import laser and participate in glow discharge：By the output of the DC high-voltage source of 300V, 3A range
Red crocodile mouth wiring terminates anode platinum plate electrode, and black crocodile mouth line end mouthful connects graphite electrode, electrode pair is immersed in into electrolysis
In liquid, while rotating stirring magneton, and by thermometer insertion electrolyte, it is then turned on direct voltage source and is adjusted to voltage
Maximum, now direct voltage source LED display voltage readings are 205V, and electric current is 0.9A, observe thermometer registration, open nanosecond
Laser, nanosecond laser parameter is：Wavelength is 1064nm, and pulsewidth 4ns, single pulse energy is 60mJ, and repetition rate is 5Hz, is led to
Cross speculum continuous laser beam is imported into electrolyte, by adjusting entrance lens focal length by incident laser focal point in stone
Electrode ink produces plasma near the surface of platinum plate electrode, now laser excitation, the plasma phase produced with glow discharge
Interaction, now opens water-bath module, and notices the registration of thermometer, makes thermometer registration at 80~100 DEG C, now voltage source
Registration is 205V, and then 0.3A starts timing.
5th, after electrolysis proceeds to 30min, electric current drops to 0.2A, adds electrolyte so that electric current registration is 0.3A, then
Continue to discharge.
6th, the electrolyte after electrolysis is collected：Dc source, laser, water-bath module are closed after 1h, is collected in electrolytic cell
Electrolyte.
Transmission electron microscope analysis and granularmetric analysis are carried out to electrolyte respectively, as a result as shown in Figure 2 a and 2 b, by using
300V, 3A DC source, nanosecond laser, silver nano solution, graphite electrode and platinum plate electrode to make nano titania solution,
Particle size distribution in 40-100nm scopes, average-size in 82nm, and most of nano-titania particles present it is spherical or
Elliposoidal, so using this device the big dioxy that fluctuation is smaller, be evenly distributed of taking measurements can be produced within the discharge time of 1h
Change titanium nano-solution.
Embodiment 2
Using 800V, 5A clocks, picosecond laser, copper nano-solution, graphite electrode and copper plate electrode are to making dioxy
Change titanium nano-solution.
1st, electrolyte is prepared：In Fig. 1, first with 30ml nanometers of copper solution, the distilled water of 20ml, 0.1g titanium dioxide powder
End is poured into electrolytic cell, opens magnetic agitation heater and rotates stirring magneton with 1000 turns/min, and mixing time is 20min,
The Nanometer Copper solution concentration used is 5000ppm, and copper nano-particle particle diameter is 10nm.
2nd, electrode pair is made：After solution stirs, electrode pair is put into electrolytic cell, the electrode sun used here
Pole, it is copper sheet, copper sheet specification is 20mm*20mm*2mm, and negative electrode graphite electrode, the bar-shaped electrode specification of graphite is Φ 5mm*
10cm, and the thin graphite tips of Φ 0.1mm are worn into graphite electrode end, it is outside one's consideration except 3mm is long at graphite rod tip, use insulating cement
Band seals exposed remaining part is wound, and the asbestos fibre pipe of heat-blocking action has been inserted on whole graphite rod,
Then graphite electrode and copper plate electrode relative position as shown in Figure 1 are disposed vertically, and graphite electrode is sophisticated from copper sheet surface
Distance be 2mm.
3rd, electrolyte preheating：Start next step when electrolyte being heated into 80 DEG C with magnetic agitation heater.
4th, import laser and participate in glow discharge：The output red crocodile mouth wiring of the clock of 800V, 5A range is terminated
Anode platinum plate electrode, black crocodile mouth terminals graphite electrode, by electrode pair submergence in the electrolytic solution, while rotating stirring magnetic
Son, and by thermometer insertion electrolyte, be then turned on direct voltage source and voltage is adjusted to maximum, now direct voltage source
LED display voltage readings are 600V, and electric current is 3.3A, and repetition rate is 500Hz, voltage pulse width 1ms, and observation thermometer shows
Number, opens picosecond laser, and wherein picosecond laser is optical fiber laser, and output wavelength is 1064nm, and single pulse energy is
6uJ, repetition rate is 200KHz.Continuous laser beam is imported into electrolyte by speculum, it is burnt by adjusting entrance lens
Away from by incident laser focal point in graphite electrode near the surface of copper plate electrode, now laser excitation produces plasma, with
The Plasma Interaction that glow discharge is produced, now opens water-bath module, and notices the registration of thermometer, shows thermometer
Then number starts timing at 80~100 DEG C.
5th, after electrolysis proceeds to 30min, electric current drops to 2.3A, adds electrolyte so that electric current registration is 3.3A, then
Continue to discharge.
6th, the electrolyte after electrolysis is collected：The pulse power, laser, water-bath module are closed after 1h, and collects electrolytic cell
In electrolyte.
Transmission electron microscope analysis and granularmetric analysis are carried out to electrolyte respectively, as a result as shown in Figure 3 a and Figure 3 b shows, by using
800V, 5A clock, picosecond laser, copper nano-solution, graphite electrode and copper plate electrode to make nano titania solution,
, in 20-40nm scopes, average-size is in 28nm, and most of nano-titania particles are presented spherical or ellipse for particle size distribution
It is spherical, so using this device the big titanium dioxide that fluctuation is smaller, be evenly distributed of taking measurements can be produced within the discharge time of 1h
Titanium nano-solution.
Embodiment 3
Using 800V, 5A clocks, picosecond laser, silver nano solution, graphite electrode and copper plate electrode are to making dioxy
Change titanium nano-solution.
1st, electrolyte is prepared：In Fig. 1, first with 30ml nanometers of copper solution, the distilled water of 20ml, 0.1g titanium dioxide powder
End is poured into electrolytic cell, opens magnetic agitation heater and rotates stirring magneton with 1000 turns/min, and mixing time is 20min,
The Nano silver solution concentration used is 1000ppm, and Nano silver grain particle diameter is 10nm.
2nd, electrode pair is made：After solution stirs, electrode pair is put into electrolytic cell, the electrode anode used here
It is copper sheet, copper sheet specification is 20mm*20mm*2mm, and negative electrode graphite electrode, the bar-shaped electrode specification of graphite is Φ 5mm*10cm, and
And the thin graphite tips of Φ 0.1mm are worn into graphite electrode end, it is outside one's consideration except 3mm is long at graphite rod tip, with insulating tape naked
Dew remaining part is wound is sealed, and the asbestos fibre pipe of heat-blocking action has been inserted on whole graphite rod, then will
The graphite electrode relative position as shown in Figure 1 with copper plate electrode is disposed vertically, and graphite electrode tip is with a distance from copper sheet surface
It is 2mm.
3rd, electrolyte preheating：Start next step when electrolyte being heated into 80 DEG C with magnetic agitation heater.
4th, import laser and participate in glow discharge：The output red crocodile mouth wiring of the clock of 800V, 5A range is terminated
Anode platinum plate electrode, black crocodile mouth terminals graphite electrode, by electrode pair submergence in the electrolytic solution, while rotating stirring magnetic
Son, and by thermometer insertion electrolyte, be then turned on direct voltage source and voltage is adjusted to maximum, now direct voltage source
LED display voltage readings are 600V, and electric current is 2.5A, and repetition rate is 500Hz, voltage pulse width 1ms, and observation thermometer shows
Number, opens picosecond laser, and wherein picosecond laser is optical fiber laser, and output wavelength is 1064nm, and single pulse energy is
6uJ, repetition rate is 200KHz.Continuous laser beam is imported into electrolyte by speculum, it is burnt by adjusting entrance lens
Away from by incident laser focal point in graphite electrode near the surface of copper plate electrode, now laser excitation produces plasma, with
The Plasma Interaction that glow discharge is produced, now opens water-bath module, and notices the registration of thermometer, shows thermometer
Then number starts timing at 80~100 DEG C.
5th, after electrolysis proceeds to 30min, electric current drops to 2.0A, adds electrolyte so that electric current registration is 2.5A, then
Continue to discharge.
6th, the electrolyte after electrolysis is collected：The pulse power, laser, water-bath module are closed after 1h, and collects electrolytic cell
In electrolyte.
Transmission electron microscope analysis and granularmetric analysis are carried out to electrolyte respectively, as a result as shown in figures 4 a and 4b, by using
800V, 5A clock, picosecond laser, silver nano solution, graphite electrode and copper plate electrode to make nano titania solution,
, in 20-40nm scopes, average-size is in 28nm, and most of nano-titania particles are presented spherical or ellipse for particle size distribution
It is spherical, so using this device the big titanium dioxide that fluctuation is smaller, be evenly distributed of taking measurements can be produced within the discharge time of 1h
Titanium nano-solution.
Specific embodiment of the invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can within the scope of the claims make various deformations or amendments, this not shadow
Sound substance of the invention.
Claims (10)
1. a kind of device of glow discharge synthesizing nano-particle, it is characterised in that including high voltage power supply, anode electrode, negative electrode electricity
Pole, laser, electrolytic cell and entrance lens, the anode electrode, cathode electrode and entrance lens may be contained within the mouth of electrolytic cell
Portion, and cathode electrode and anode electrode pass through the oral area of electrolytic cell to extend to inside electrolytic cell, the high voltage power supply is electrically connected to
Between cathode electrode and anode electrode, the laser is arranged at the surface of entrance lens.
2. the device of glow discharge synthesizing nano-particle as claimed in claim 1, it is characterised in that also including thermometer, institute
The oral area that thermometer is arranged at electrolytic cell is stated, and is extended to inside electrolytic cell.
3. the device of glow discharge synthesizing nano-particle as claimed in claim 1, it is characterised in that the outside of the electrolytic cell
It is additionally provided with water bath sleeve.
4. the device of glow discharge synthesizing nano-particle as claimed in claim 1, it is characterised in that the laser is continuous
Laser or pulse laser.
5. the device of glow discharge synthesizing nano-particle as claimed in claim 1, it is characterised in that the anode electrode is in piece
Shape, the cathode electrode is in thread or bar-shaped.
6. the device of glow discharge synthesizing nano-particle as claimed in claim 5, it is characterised in that the battery lead plate of anode electrode
Eletrode tip with cathode electrode is disposed vertically in the way of point is to plate.
7. a kind of device of the glow discharge synthesizing nano-particle in utilization claim 1~6 described in any one synthesizes nanometer
The method of particle, it is characterised in that comprise the following steps：
Precursor solution is prepared in electrolytic cell；
Open high voltage power supply and laser, and adjust the surface of the focus incident laser beams in anode electrode of laser, stirring,
Glow discharge synthesis is carried out under conditions of heating and current intensity constant, nano-particle is obtained.
8. the method for synthesizing nano-particle as claimed in claim 7, it is characterised in that the preparation method of the precursor solution
For：
By electrolyte solution and water-soluble sample blending to be electrolysed, precursor solution is obtained.
9. the method for synthesizing nano-particle as claimed in claim 8, it is characterised in that the electrolyte is that nano-particle is molten
Liquid, strong base solution, nitrate solution, carbonate solution, phosphate, sulfate liquor or metal salt solution.
10. the method for synthesizing nano-particle as claimed in claim 7, it is characterised in that the control of the current intensity constant
Method is：
When current strength is raised, add distilled water to increase the resistance of precursor solution；
When current strength reduces, electrolyte solution composition identical electrolyte solution is to reduce forerunner in adding precursor solution
The resistance of liquid solution.
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| CN114195186A (en) * | 2021-12-16 | 2022-03-18 | 西北师范大学 | Preparation method of niobium pentoxide nanoparticles |
| CN114232003A (en) * | 2021-12-16 | 2022-03-25 | 西北师范大学 | Cu preparation by utilizing cathode glow discharge electrolytic plasma technology2Method for producing O nanoparticles |
| CN114195186B (en) * | 2021-12-16 | 2023-09-05 | 西北师范大学 | Preparation method of niobium pentoxide nanoparticles |
| CN114232003B (en) * | 2021-12-16 | 2023-09-12 | 西北师范大学 | Cu preparation by utilizing cathode glow discharge electrolysis plasma technology 2 Method of O nanoparticles |
| CN114045499B (en) * | 2021-12-16 | 2023-11-28 | 西北师范大学 | Preparation method of indium trioxide nano particles |
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