CN107324320A - A kind of method that mechanical shearing prepares two-dimension nano materials - Google Patents
A kind of method that mechanical shearing prepares two-dimension nano materials Download PDFInfo
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- CN107324320A CN107324320A CN201710555543.3A CN201710555543A CN107324320A CN 107324320 A CN107324320 A CN 107324320A CN 201710555543 A CN201710555543 A CN 201710555543A CN 107324320 A CN107324320 A CN 107324320A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/064—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with boron
- C01B21/0648—After-treatment, e.g. grinding, purification
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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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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B19/00—Selenium; Tellurium; Compounds thereof
- C01B19/007—Tellurides or selenides of metals
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- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/02—Preparation of phosphorus
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- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G39/00—Compounds of molybdenum
- C01G39/06—Sulfides
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- C—CHEMISTRY; METALLURGY
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
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- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
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Abstract
The present invention is a kind of preparation method of two-dimension nano materials, two-dimension nano materials is peeled off using the mode of mechanical shearing, step is：1) cutting implement that processing machinery is peeled off；2) mechanical shearing is carried out to two-dimension nano materials；3) two-dimension nano materials are separated with mechanical shearing instrument.Knife edge board, hobboing cutter axle, blade is made and cuts three kinds of cutting implements, is accomplished by the following way respectively：Wherein knife edge board can be by growing superabrasive particle on metal plate；Hobboing cutter axle can be by two identical metal balls, forming symmetrical roller bearing by super sharp hard particle growth；It is directly to use class scissors tool direct shearing two-dimensional material that blade, which is cut,.The two-dimension nano materials after mechanical shearing are separated with cutting implement afterwards, two-dimension nano materials can be obtained after drying.The two-dimensional material of this method repeats processing and used, the waste liquid of whole process zero, the national resource-conserving advocated energetically of pollution-free, response, environmentally friendly call.
Description
Technical field
The present invention relates to two-dimension nano materials preparation field, concrete operation method is that two-dimensional nano material is prepared with mechanical stripping
Material.
Background technology
It has been always the focus of scientific research personnel's research since the two-dimension nano materials self-discovery such as graphene, two-dimensional material is in energy
The fields such as source, photoelectricity, Aero-Space have a wide range of applications, and particularly ultracapacitor and super nano composite material is even more excellent
In other materials.But, the preparation of two-dimensional nano composite mostly uses chemical method, made in chemical production processes
Standby two-dimensional material specific surface area is big, easily reunites, it is difficult to be separated with the chemical reagent of addition, is unfavorable for two-dimension nano materials
Subsequent applications, and chemical method prepare two-dimension nano materials limits throughput, be only suitable for laboratory research application, Er Qiehua
Method complex operation, cost is high, the waste liquor contamination environment of generation.
A kind of convection gas shearing is reported in current Chinese patent CN201310238984 and peels off two-dimensional layer material
Method, shearing force that this method is produced by high pressure cooling gas circulative convection peels off two-dimensional layer material, and it includes：First
Select two-dimensional layer raw material；The raw material chosen is added in container, the temperature difference for adjusting the container two ends reaches predetermined value；
Gases at high pressure are sprayed into container, it is former that the horizontal shear force that the gases at high pressure circulative convection is produced directly acts on two-dimensional layer
Expect crystal face, the effective of two-dimensional layer raw material layer and layer is realized by the temperature difference and gas circulation convection current time that control the container
Peel off.Compared with prior art, the present invention can generate individual layer and a small number of layers by the cold and hot gas shear action of iterative cycles
Two-dimensional material such as graphene, its yield is up to more than 98%.This method technique is simple, is pure physical technology, to greatest extent
Reduce destruction of the production technology to two-dimensional layer inorganic material crystal structure.
Report a kind of preparation method of two-dimensional material in Chinese patent CN201610531626, this method is by ball-milling technology
Preparation two-dimensional material is combined with the ultrasonic stripping technology of liquid phase, while will using the method centrifuged and vacuum filtration is combined
Two-dimensional material and stripping solvent are separated.The features such as two-dimensional material prepared by the inventive method has purity height and high yield,
Raw material used in the inventive method is reusable.
Both the above prepares method all Shortcomings of two-dimension nano materials：Wherein CN201310238984 pairs of Chinese patent
Experimental facilities requires high, to experiment condition such as pressure, temperature, and convection current time etc. requires harshness.Chinese patent
The layer structure of CN201610531626 destructible two-dimensional materials in mechanical milling process, prepares low yield.
The content of the invention
In view of the shortcomings of the prior art, the present invention proposes a kind of method that mechanical shearing prepares two-dimension nano materials, passes through
Cutting implement is prepared to two-dimensional material mechanical shearing to realize the preparation of two-dimension nano materials.
The preparation method comprises the following steps：
1) cutting implement for forming shear stress is prepared：Knife edge board, hobboing cutter axle, blade are cut；Three kinds of cutting implements can be distinguished
It is accomplished by the following way：Wherein knife edge board can be by growing superabrasive particle on metal plate；Hobboing cutter axle can be by by super point
Hard particle growth forms symmetrical roller bearing in two identical metal balls；It is direct straight using class scissors tool that blade, which is cut,
Connect shearing two-dimensional material.
2) mechanical shearing is carried out to two-dimension nano materials, three kinds of cutting implements can be operated in the following manner respectively：
The operating method of knife edge board is that two-dimension nano materials are put between two pieces of knife edge boards, to two-dimensional material machine in the presence of external force
Tool shearing is peeled off；Hobboing cutter axle is that two-dimension nano materials are put between two pieces of identical roller bearings, to two in rolling process
Material is tieed up to peel off；It is to be pressed using class scissors tool on two-dimension nano materials surface that blade, which is cut, forms shear stress to two wieners
Rice material is peeled off.
3) by two-dimension nano materials and mechanical shearing instrument ultrasound and centrifugation, finally it is dried to obtain two-dimensional nano material
Material.
Two-dimension nano materials are graphite, hexagonal boron nitride, tungsten disulfide, molybdenum disulfide, two tungsten selenides, two selenium in the present invention
Change one kind in molybdenum, tungstic acid and black phosphorus.
Step 1) described in super sharp hard particulate be one kind in diamond, carborundum, corundum, diameter of particle scope is
0.2~10 μm, described super sharp hard particle growth mode is one kind in gravity plant sand, sponge plant sand and electrostatic sand-planting；Three kinds
Need to use binding agent when planting sand growth, binding agent can be one kind or mixture in phenolic resin, epoxy resin.
Step 2) described in knife edge board or blade to cut the operating pressure scopes of mechanical shearing two-dimension nano materials be 20MPa
~200MPa, the rotating speed for the operation that described hobboing cutter shaft mechanical shears two-dimension nano materials is 30r/min.
Step 3) described in two-dimension nano materials be with mechanical shearing instrument separation process：By knife edge board and two-dimensional nano
The mixture of material is put in liquid phase medium, and ultrasound and centrifugation will be carried out afterwards, makes the two-dimensional nano material for investing blade plate surface
Material is separated with knife edge board；The two-dimension nano materials that hobboing cutter axle is peeled off, which are collected directly from liquid phase medium, carries out ultrasound and centrifugation,
By two-dimension nano materials and super sharp hard separation of particles；The two-dimensional material that blade is cut into stripping and the two-dimensional material not being completely exfoliated are received
Ultrasound and separation in liquid phase medium are combined in, drying means is oven drying, and temperature range is：50 DEG C~100 DEG C.
Liquid phase medium is one kind in water, ethanol, acetone in the present invention.
It is an advantage of the invention that：Equipment needed for preparation process can be prepared by laboratory technician completely, and simple to operate；Prepare
During be not present ball milling prepare two-dimensional material when to material stratiform structural damage；The two-dimensional material not being completely exfoliated is repeated
Utilize, economize on resources；Two-dimension nano materials quality obtained by preparation process is high, yield is high.
Brief description of the drawings
Fig. 1 is the TEM pictures of graphene prepared by embodiment 1, understands that obtained graphene is multilayer from figure.
Fig. 2 is that embodiment 2 prepares WS2XRD piece, three peaks spectrum corresponding respectively from top to bottom is initial WS2Powder,
Lower floor's residue, upper strata suspension.
Fig. 3 is Ti prepared by embodiment 32C XRD piece, three peak spectrums corresponding respectively from top to bottom are initial
Ti3SiC2Block, lower floor's residue, upper strata suspension.
Fig. 4 is Ti prepared by embodiment 42C XRD piece, three peak spectrums corresponding respectively from top to bottom are initial
Ti3AlC2Block, lower floor's residue, upper strata suspension.
Embodiment
Further illustrate the present invention below in conjunction with the drawings and specific embodiments, case study on implementation be using present invention before
Carry, give experiment specific operation process, be only limited to the explanation present invention, be not intended to limit the present invention.
Knife edge board or hobboing cutter axle in the present embodiment may be accomplished by：
1), will be firm using high-voltage electrostatic field on metallic substrates using the hard particulate of method growth excess of export point of electrostatic sand-planting
Kindly help secure the success of as electrical body, the growth on the metal substrate for scribble binding agent, adhesive thickness is 0.02~0.5mm, and diameter of particle is
0.2~2 μm, 1~5h is dried at 50 DEG C~80 DEG C, knife edge board can be finally made.
2) using physical vapour deposition (PVD) method by growth of silicon carbide on metallic substrates, diameter of particle is 0.1~1.5 μ
M, can finally be made knife edge board.
In two identical metal ball surface coated with adhesive, diamond uniform is grown on binding agent afterwards,
Adhesive thickness is 0.2~0.5mm, and diameter of particle is 0.2~2 μm, and 1~5h is dried at 50 DEG C~80 DEG C, can be finally made
Hobboing cutter axle.
Embodiment 1：
Using two, the sand paper of purchase, sand grains particle diameter is 0.2~4 μm, graphite phosphorus sheet is placed between two sand paper, then
It is put in rectangular mould, applies pressure and carry out mechanical shearing graphite phosphorus sheet.Pressure applied is 50Mpa, lasting pressure
The graphene of stripping and the graphite phosphorus sheet not being completely exfoliated, are together put in absolute ethyl alcohol, ultrasound by 10min with sand paper afterwards
10min, takes out after sand paper, mixing liquid is centrifuged, upper strata suspension is taken, and will take to be suspended in 50 DEG C of baking oven and dries 2h,
Two-dimensional material graphene can finally be obtained.
Embodiment 2：
One layer of E-42 type epoxy resin is coated on metal substrate and serves as binding agent, adhesive thickness is 0.2~0.5mm, it
Diamond uniform is sprinkled upon on binding agent afterwards, knife edge board can be made in 50 DEG C of drying 1h, so by tungsten disulfide according in embodiment 1
Pressure mode is by pressure, ultrasound, centrifugation and dries, and can finally obtain two-dimension nano materials.
Embodiment 3：
Using the method in embodiment 2, thickness is planted on a diameter of 8 centimetres of two metal roller bearings for 0.2~0.5mm
Diamond, two roller bearing spacing 5mm formation hobboing cutter axles relatively rotate, by Ti3SiC2The free-falling between two hobboing cutter axles
Relatively rotate, rotating speed is 30r/min, is placed in the material of collection after the material of whereabouts is iterated through into two hobboing cutter axles, 30min
In absolute ethyl alcohol, using the ultrasound in embodiment 1, centrifugation and the method dried, two-dimension nano materials Ti can be finally obtained2C。
Embodiment 4：
Using the experiment method of embodiment 3, experiment material is Ti3AlC2, two-dimension nano materials Ti can be obtained2C。
Embodiment 5：
Using the experiment method of embodiment 1, experiment material is boron nitride, can obtain two-dimensional material hexagonal boron nitride.
Claims (10)
1. a kind of method that mechanical shearing prepares two-dimension nano materials, it is characterized in that：Using shear stress on super sharp hard particulate
Two-dimensional material is peeled off, the preparation method comprises the following steps：
1) cutting implement for forming shear stress is prepared：Knife edge board, hobboing cutter axle, blade are cut；Three kinds of cutting implements can pass through respectively
In the following manner is realized：Wherein knife edge board can be by growing superabrasive particle on metal plate；Hobboing cutter axle can be by will be super sharp hard micro-
Grain is grown in two identical metal balls, forms symmetrical roller bearing；It is directly directly to be cut using class scissors tool that blade, which is cut,
Cut two-dimensional material.
2) mechanical shearing is carried out to two-dimension nano materials, three kinds of cutting implements can be operated in the following manner respectively：Blade
The operating method of plate is that two-dimension nano materials are put between two pieces of knife edge boards, to two-dimensional material mechanical shear in the presence of external force
Cut stripping；Hobboing cutter axle is that two-dimension nano materials are put between two pieces of identical roller bearings, to two-dimentional material in rolling process
Material is peeled off；It is to be pressed using class scissors tool on two-dimension nano materials surface that blade, which is cut, forms shear stress to two-dimensional nano material
Material is peeled off.
3) by two-dimension nano materials and mechanical shearing instrument ultrasound and centrifugation, two-dimension nano materials are finally dried to obtain.
2. according to the method described in claim 1, it is characterised in that described two-dimension nano materials be graphite, hexagonal boron nitride,
One kind in tungsten disulfide, molybdenum disulfide, two tungsten selenides, two selenizing molybdenums, tungstic acid and black phosphorus.
3. the super sharp hard particulate described according to the method described in claim 1, it is characterised in that step 1) is diamond, carbonization
One kind in silicon, corundum, diameter of particle scope is 0.2~10 μm.
4. the super sharp hard particle growth mode described according to the method described in claim 1, it is characterised in that step 1) is weight
Power plants one kind in sand, sponge plant sand and electrostatic sand-planting.
5. the knife edge board or blade described according to the method described in claim 1, it is characterised in that step 2) cut mechanical shearing
The operating pressure scope of two-dimension nano materials is 20MPa~200MPa.
6. the hobboing cutter shaft mechanical shearing two-dimensional nano described according to the method described in claim 1, it is characterised in that step 2)
The rotating speed of the operation of material is 30r/min.
7. two-dimension nano materials and mechanical shearing described according to the method described in claim 1, it is characterised in that step 3)
Instrument separation process is：The mixture of knife edge board and two-dimension nano materials is put in liquid phase medium, afterwards will carry out ultrasound and
Centrifugation, makes the two-dimension nano materials for investing blade plate surface be separated with knife edge board；The two-dimension nano materials that hobboing cutter axle is peeled off are straight
Reception, which is combined in, carries out ultrasound and centrifugation in liquid phase medium, by two-dimension nano materials and super sharp hard separation of particles；Blade is cut into stripping
Two-dimensional material and the two-dimensional material not being completely exfoliated be collected in liquid phase medium ultrasound and separate.
8. the drying means described according to the method described in claim 1, it is characterised in that step 3) is oven drying, temperature
Scope is：50 DEG C~100 DEG C.
9. method according to claim 4, it is characterised in that three kinds need to use binding agent when planting sand growth, and binding agent can
To be one kind or mixture in phenolic resin, epoxy resin.
10. method according to claim 7, it is characterised in that liquid phase medium is one kind in water, ethanol, acetone.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611684A (en) * | 2018-04-27 | 2018-10-02 | 清华-伯克利深圳学院筹备办公室 | A kind of controllable thining method of Transition-metal dichalcogenide two-dimensional atomic crystal |
| CN110642295A (en) * | 2019-10-25 | 2020-01-03 | 四川大学 | Molybdenum disulfide nanosheet layer stripping preparation method based on solid-phase mechanochemical reactor |
| WO2024026785A1 (en) * | 2022-08-04 | 2024-02-08 | 苏州大学 | Two-dimensional nanosheet and preparation method therefor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1974020A (en) * | 2006-10-26 | 2007-06-06 | 上海交通大学 | Mechanically shearing process of preparing one-dimensional nanometer material |
| CN103231457A (en) * | 2013-04-22 | 2013-08-07 | 孝感市瑞晟机电制造有限公司 | High-yield graphene manufacturing method |
| CN104609413A (en) * | 2015-02-11 | 2015-05-13 | 合肥微晶材料科技有限公司 | Machine-like stripping device for ton-scale production of graphene and production method of machine-like stripping device |
| CN105271206A (en) * | 2015-11-23 | 2016-01-27 | 成都新柯力化工科技有限公司 | Method for continuously preparing graphene material in cut mode through screw machine |
-
2017
- 2017-07-10 CN CN201710555543.3A patent/CN107324320A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1974020A (en) * | 2006-10-26 | 2007-06-06 | 上海交通大学 | Mechanically shearing process of preparing one-dimensional nanometer material |
| CN103231457A (en) * | 2013-04-22 | 2013-08-07 | 孝感市瑞晟机电制造有限公司 | High-yield graphene manufacturing method |
| CN104609413A (en) * | 2015-02-11 | 2015-05-13 | 合肥微晶材料科技有限公司 | Machine-like stripping device for ton-scale production of graphene and production method of machine-like stripping device |
| CN105271206A (en) * | 2015-11-23 | 2016-01-27 | 成都新柯力化工科技有限公司 | Method for continuously preparing graphene material in cut mode through screw machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611684A (en) * | 2018-04-27 | 2018-10-02 | 清华-伯克利深圳学院筹备办公室 | A kind of controllable thining method of Transition-metal dichalcogenide two-dimensional atomic crystal |
| CN110642295A (en) * | 2019-10-25 | 2020-01-03 | 四川大学 | Molybdenum disulfide nanosheet layer stripping preparation method based on solid-phase mechanochemical reactor |
| CN110642295B (en) * | 2019-10-25 | 2021-08-03 | 四川大学 | Molybdenum disulfide nanosheet layer stripping preparation method based on solid-phase mechanochemical reactor |
| WO2024026785A1 (en) * | 2022-08-04 | 2024-02-08 | 苏州大学 | Two-dimensional nanosheet and preparation method therefor |
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Application publication date: 20171107 |