CN105460931A - Method for preparing graphene through jet flow - Google Patents
Method for preparing graphene through jet flow Download PDFInfo
- Publication number
- CN105460931A CN105460931A CN201610016281.9A CN201610016281A CN105460931A CN 105460931 A CN105460931 A CN 105460931A CN 201610016281 A CN201610016281 A CN 201610016281A CN 105460931 A CN105460931 A CN 105460931A
- Authority
- CN
- China
- Prior art keywords
- graphene
- jet
- graphite
- fluid
- prepares
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
- C01B2204/02—Single layer graphene
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2204/00—Structure or properties of graphene
- C01B2204/20—Graphene characterized by its properties
- C01B2204/32—Size or surface area
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The invention relates to a method for preparing graphene through jet flow. The method includes the following steps that 1, the end, with lamella combination, of blocky graphite (10) is placed in front of a nozzle (21) of a jet machine (20); 2, the jet machine (20) is started, fluid (30) containing small-size primary graphene (32) is jetted to one end of the blocky graphite (10) and continuously jetted to the portion between the two layers of graphite pieces (11), and the primary graphene (32) is embedded into the portion; 3, the jet speed is increased, and the graphite pieces (11) are stripped out of the blocky graphite (10); 4, the jetted fluid (30) is collected, the fluid containing the small graphite pieces (11), graphene and the primary graphene (32) is separated, and the graphene is obtained. The primary graphene is adopted as an insertion material, lamella separation of the blocky graphite can be smoothly caused, and therefore the small-size graphene is efficiently and rapidly prepared.
Description
Technical field
The present invention relates to a kind of method utilizing mechanical process to prepare Graphene, specifically a kind of jet prepares the method for Graphene.
Background technology
The preparation method of current Graphene mainly contains mechanical process, oxidation style, substrate growth method and liquid phase method, wherein mechanical process directly adopts mechanical cleavage to separate the method for Graphene from blocky graphite, this mechanical cleavage can prepare high quality and large-sized Graphene, but efficiency and output are all extremely low, after the micromechanics cleavage method of adhesive tape sticking prepares Graphene, mechanical means does not have larger progress substantially.
Based on this, special proposition the present invention.
Summary of the invention
There is efficiency and the problem yielded poorly in order to solve existing machinery legal system for Graphene in the present invention, proposes a kind of method that jet prepares Graphene, can prepare Graphene expeditiously.
Technical scheme of the present invention is: a kind of jet prepares the method for Graphene, comprises following step:
1) before the one end having lamella to combine blocky graphite is placed on the spout of jet machine;
2) starting jet machine, by including the fluid jet of small size originally Graphene to one end of blocky graphite, between sustained firing to two-layer graphite flake, being embedded with originally Graphene;
3) strengthen jet speed, graphite flake is stripped out from blocky graphite;
4) collect the fluid after spraying, by including tiny graphite flake, Graphene is separated with the fluid of originally Graphene, obtains Graphene.This method can preparation size is less expeditiously Graphene.
Further, the main substance of described fluid is water, ethanol or other organic solvents.
Further, also tensio-active agent is included in described fluid.Embed between graphite flake originally after Graphene, tensio-active agent enters between graphite flake, thus is separated graphite flake further.
Described tensio-active agent is Sodium dodecylbenzene sulfonate, polyvinylpyrrolidone or tween 80.These tensio-active agents are all environmentally friendly materials, to operator's nontoxicity.
Further, described jet machine has fluid collection device and filtration unit, is collected and fluid after filtering is re-used, and sprays, directive blocky graphite from the spout of jet machine.The fluid of injection can be recycled like this, reach the effect of device miniaturization.
Further, the one end of spraying is needed to carry out mirror polish to blocky graphite before step 1.Form the smooth flat that a surfaceness is very high, be conducive to originally Graphene and be embedded between graphite flake layer.
Principle of the present invention is: the material that graphite is made up of Multi-layer graphite sheet, the distance of interlayer is about 0.335nm, this distance is very little, is even less than the diameter of a lot of material atom and molecule, therefore seldom has material can enter between graphite linings at typical condition.The thickness of Graphene only has a carbon atom diameter, and namely about 0.18nm, is less than the interfloor distance of graphite.The thickness of Graphene own is utilized to only have the feature of an atomic diameter size, utilize hardness and the intensity of Graphene superelevation simultaneously, swept along by the fluid of jet, by some originally Graphene be embedded between the lamella of graphite linings, allow original graphite flake layer closely occur defect, thus allow mono-layer graphite sheet and Graphene be stripped out from graphite; In addition due to the interference of originally Graphene, to the larger fluid of size of particles as water and tensio-active agent are entered into chance between graphite flake layer, destroy the Van der Waals force between graphite flake layer further, under the impact of fluid, the Graphene of monolithic or a small amount of lamella is produced out.
The invention has the beneficial effects as follows: 1, by will originally be embedded between graphite flake layer by Graphene, destroy the original structure of blocky graphite, Graphene is stripped out from blocky graphite; 2, by the dissemination of tensio-active agent, the separation of Graphene from blocky graphite lamella is accelerated; 3, adopt avirulent tensio-active agent, the pollution substance that preparation process can be allowed to produce reduces, to environment and personnel all useful; 4, fluid recycles, and can make preparation facilities miniaturization.
Accompanying drawing explanation
Fig. 1 is the schematic diagram between the present invention's originally Graphene embedding graphite flake layer.
Wherein 10-blocky graphite, 11-graphite flake, the carbon atom on 111-graphite flake, 20-jet machine, 21-spout, 30-fluid, the particle of 31-bodies of fluid material, 32-is Graphene originally, the carbon atom of 321-originally on Graphene, the particle of 33-tensio-active agent.
Embodiment
Below in conjunction with accompanying drawing, the method being prepared by a kind of jet of the present invention to Graphene is described further, some nouns related in the present invention, all has art-recognized meanings conventional in this area, except the noun having special statement in non-invention.In the present invention, blocky graphite is into block graphite; Bodies of fluid material is the essential substance composition included in the fluid of many kinds of substance, normally liquid material, and as water, ethanol or other organic solvents etc., if technology allows, it does not repel the material of other forms yet, such as gas; Originally Graphene drops into the small size Graphene in influent stream body, and it is for being embedded between graphite flake, and originally Graphene is same composition with the Graphene newly prepared.
As shown in Figure 1, a kind of jet prepares the method for Graphene, comprises following step:
1) before one end that blocky graphite 10 has lamella to combine being placed on the spout 21 of jet machine 20;
2) start jet machine 20, the fluid 30 including small size originally Graphene 32 is ejected into one end of blocky graphite 10, sustained firing is all embedded with originally Graphene 32 between every two-layer graphite flake 11;
3) strengthen jet speed, graphite flake 11 is stripped out from blocky graphite 10;
4) collect the fluid 30 after spraying, by including tiny graphite flake 11, Graphene (i.e. mono-layer graphite sheet) is separated with the fluid of originally Graphene 32, obtains Graphene.
In the impact of spraying machine 20 jet with under promoting, sweep along originally Graphene 32 in fluid 30 due to very thin thickness, carbon atom 321 on originally Graphene in some end faces can overcome the Van der Waals force between graphite flake 11, be embedded between graphite flake 11, affect the carbon atom 111 on adjacent layers graphite flake, the distance between the carbon atom 111 on these adjacent layers graphite flakes is caused to increase, under the impact of the particle 31 of follow-up bodies of fluid material, distance between these graphite flakes 11 being inserted with originally Graphene 32 is increasing, the particle 31 being greater than the bodies of fluid material of graphite flake 11 spacing to particle dia originally enters between graphite flake 11 and has manufactured chance, this method can preparation size is less expeditiously Graphene.
Also tensio-active agent is included in fluid 30.Although the size of the particle of tensio-active agent 33 is larger, the particle 33 of not lower surface promoting agent is held in the normal laminated structure of graphite, but after originally Graphene 32 causes textural defect between graphite flake 11, the chance that the particle 33 that distance between graphite flake 11 has given tensio-active agent enters, the particle 33 of tensio-active agent enters after between graphite flake 11, along with jet continues to promote, the particle 31 of bodies of fluid material below and the particle 33 of tensio-active agent also enter between graphite flake 11, the area relying on Van der Waals force to combine between graphite flake 11 is etched gradually, separated further between graphite flake 11.
The main substance of fluid 30 can be common solvent, such as water, ethanol or other organic solvents.
Tensio-active agent can select tensio-active agent conventional when manufacturing nano material, preferred tensio-active agent is Sodium dodecylbenzene sulfonate, polyvinylpyrrolidone or tween 80, these tensio-active agents are all environmentally friendly materials, to operator's nontoxicity.
Jet machine 20 has fluid collection device and filtration unit, collects and fluid 30 after filtering out coarse size graphite flake is re-used, and sprays, directive blocky graphite 10 from the spout 21 of jet machine 20.The fluid of injection can be recycled like this, reach the effect of device miniaturization.
Can be embedded into rapidly and accurately between graphite flake 11 to make originally Graphene 32, the one end of spraying is needed to carry out mirror polish to blocky graphite 10 before ejecting, form the smooth flat that a surfaceness is very high, be conducive to originally Graphene 32 and be embedded between graphite flake 11.
Above the method that a kind of jet provided by the present invention prepares Graphene is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (9)
1. jet prepares a method for Graphene, it is characterized in that, comprises following step:
1) spout (21) one end that blocky graphite (10) has lamella to combine being placed on jet machine (20) is front;
2) jet machine (20) is started, the fluid (30) including small size originally Graphene (32) is ejected into one end of blocky graphite (10), between sustained firing to two-layer graphite flake (11), is embedded with originally Graphene (32);
3) strengthen jet speed, graphite flake (11) is stripped out from blocky graphite (10);
4) collect the fluid (30) after spraying, by including tiny graphite flake (11), Graphene is separated with the fluid of originally Graphene (32), obtains Graphene.
2. jet as claimed in claim 1 prepares the method for Graphene, and it is characterized in that, the main substance of described fluid (30) is water, ethanol or other organic solvents.
3. jet as claimed in claim 1 or 2 prepares the method for Graphene, and it is characterized in that, described fluid also includes tensio-active agent in (30).
4. jet as claimed in claim 3 prepares the method for Graphene, and it is characterized in that, described tensio-active agent is Sodium dodecylbenzene sulfonate, polyvinylpyrrolidone or tween 80.
5. the jet as described in claim 1 or 2 or 4 prepares the method for Graphene, it is characterized in that, described jet machine (20) has fluid collection device and filtration unit, to be collected and fluid after filtering is re-used, spray from the spout (21) of jet machine (20), directive blocky graphite (10).
6. jet as claimed in claim 3 prepares the method for Graphene, it is characterized in that, described jet machine (20) has fluid collection device and filtration unit, to be collected and fluid after filtering is re-used, spray from the spout (21) of jet machine (20), directive blocky graphite (10).
7. the jet as described in claim 1 or 2 or 4 or 6 prepares the method for Graphene, it is characterized in that, in step 1) need the one end of spraying to carry out mirror polish to blocky graphite (10) before.
8. jet as claimed in claim 3 prepares the method for Graphene, it is characterized in that, in step 1) need the one end of spraying to carry out mirror polish to blocky graphite (10) before.
9. jet as claimed in claim 5 prepares the method for Graphene, it is characterized in that, in step 1) need the one end of spraying to carry out mirror polish to blocky graphite (10) before.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016281.9A CN105460931A (en) | 2016-01-11 | 2016-01-11 | Method for preparing graphene through jet flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610016281.9A CN105460931A (en) | 2016-01-11 | 2016-01-11 | Method for preparing graphene through jet flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105460931A true CN105460931A (en) | 2016-04-06 |
Family
ID=55599160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610016281.9A Pending CN105460931A (en) | 2016-01-11 | 2016-01-11 | Method for preparing graphene through jet flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105460931A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185887A (en) * | 2016-07-04 | 2016-12-07 | 成都新柯力化工科技有限公司 | Method and the grapheme material of grapheme material is prepared in a kind of high-velocity fluid stripping |
| CN108178150A (en) * | 2018-03-08 | 2018-06-19 | 常州大学 | A kind of method for preparing graphene |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350554A (en) * | 2013-06-17 | 2013-10-16 | 南京科孚纳米技术有限公司 | Method for shearing stripping of two-dimensional layered material by convection gas |
| WO2015092871A1 (en) * | 2013-12-17 | 2015-06-25 | グラフェンプラットフォーム株式会社 | Graphene powder, device for producing graphene powder, method for producing graphene powder, and product using graphene powder |
-
2016
- 2016-01-11 CN CN201610016281.9A patent/CN105460931A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350554A (en) * | 2013-06-17 | 2013-10-16 | 南京科孚纳米技术有限公司 | Method for shearing stripping of two-dimensional layered material by convection gas |
| WO2015092871A1 (en) * | 2013-12-17 | 2015-06-25 | グラフェンプラットフォーム株式会社 | Graphene powder, device for producing graphene powder, method for producing graphene powder, and product using graphene powder |
Non-Patent Citations (3)
| Title |
|---|
| SHUAISHUAI LIANG ET AL.: "One-step green synthesis of graphene nanomesh by fluid-based method", 《RSC ADV.》 * |
| ZHIGANG SHEN ET AL.: "A review on mechanical exfoliation for the scalable production of graphene", 《JOURNAL OF MATERIALS CHEMISTRY A》 * |
| 沈志刚 等: "射流空化方法制备石墨烯研究", 《颗粒学最新进展研讨会— 暨第十届全国颗粒制备与处理研讨会》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185887A (en) * | 2016-07-04 | 2016-12-07 | 成都新柯力化工科技有限公司 | Method and the grapheme material of grapheme material is prepared in a kind of high-velocity fluid stripping |
| CN106185887B (en) * | 2016-07-04 | 2018-03-27 | 成都新柯力化工科技有限公司 | A kind of high-velocity fluid stripping prepares the method and grapheme material of grapheme material |
| CN108178150A (en) * | 2018-03-08 | 2018-06-19 | 常州大学 | A kind of method for preparing graphene |
| CN108178150B (en) * | 2018-03-08 | 2020-02-14 | 常州大学 | Method for preparing graphene |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105417538A (en) | Method for preparing graphene through jet flow pretreatment | |
| CN105001846B (en) | A kind of fine and close oily waterflooding extraction increasing injection nano fluid and preparation method and application | |
| CN105452159A (en) | Graphite-type carbon material used as graphene precursor and method for producing same | |
| CN105460931A (en) | Method for preparing graphene through jet flow | |
| CN101808827A (en) | Plasma treatment around the printer module | |
| CN104452646A (en) | Road deicing vehicle with water jet function | |
| CN104307788A (en) | Ice particle, and method and device for removing rubber from airport runway by using ice particles | |
| CN101234208A (en) | Scavenging agent for formaldehyde | |
| CN103537120A (en) | Preparation method of sponge used for oil-water separation | |
| JP2015160945A (en) | ink | |
| MY185093A (en) | Apparatus and process for depositing a thin layer of resist on a substrate | |
| CN107055520A (en) | A kind of method that carbon dioxide bag ion liquid type microemulsion collaboration impinging jet prepares graphene | |
| CN105668556A (en) | Method for preparing large-sized graphene | |
| WO2007147689A8 (en) | Method of producing electrodes | |
| Sweet et al. | Electrospray aerosol deposition of water soluble polymer thin films | |
| WO2014179361A1 (en) | System and method for high-voltage ac-powered electrospray | |
| CN102328925A (en) | Preparation process for high-density carbon nanotube bundle | |
| CN1775530A (en) | Method for cleaning jet head for ink-jet printing-filming system | |
| CN109130183A (en) | A method of nanoscale electrical jet stream 3D printing nozzle needle is prepared using swelling techniques | |
| CN105419483A (en) | Composite conductive ink-jet ink and preparation method thereof | |
| Meng et al. | Nonporous water-proof coatings with resistance to harsh water environments and spontaneous dewetting | |
| CN101051190A (en) | Photoresist stripping apparatus, method of recycling photoresist stripper | |
| CN109929128A (en) | Near field direct write based on PEO electrospinning film substrate focuses and micro- pattern is detached from method | |
| CN203535955U (en) | Device for removing waste and old optical disc function layer based on ice jet technology | |
| CN107937905A (en) | A kind of electricity jet stream deposition micro- texture cutter preparation facilities of laser melting coating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20181019 |
|
| AD01 | Patent right deemed abandoned |