CN104495810B - Prepare the green method of Graphene on a large scale - Google Patents
Prepare the green method of Graphene on a large scale Download PDFInfo
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Abstract
The present invention provides a kind of green method preparing Graphene on a large scale, it utilizes water soluble organic substance melt to assist three roller strippings to prepare Graphene, specifically includes following steps: (1) weighs water soluble organic substance that mass ratio is 5:1～500:1 and graphite is standby；(2) water soluble organic substance is positioned on three-roll grinder roller, the softening point of heating roller to water soluble organic substance, prepares adhesive, run three-roll grinder, treat that adhesive is laid on the roller of three-roll grinder, be slow added into graphite, be ground peeling off to the graphite added；(3) product that step (2) obtains is immersed in distilled water, washing, to remove water soluble organic substance, i.e. obtains Graphene.The present invention uses physical method to prepare Graphene, preparation technology environmental protection, nontoxic, can apply to the biomedical sector of ground floor safety, and the method has simple, for equipment without particular/special requirement, low cost, efficiency is high, can carry out the advantages such as large-scale production.
Description
Technical field
The present invention relates to technical field of graphene, particularly relate to one and prepare Graphene on a large scale
Green method.
Background technology
Graphene as a kind of novel Two-dimensional Carbon material, has the architectural feature of uniqueness and excellent
Different electricity, mechanics, optics and thermal property, nano electron device, energy storage material,
The fields such as catalysis, sensor, pharmaceutical carrier and functional material have a wide range of applications
Prospect.Research shows, Graphene is at biomedical sector, including targeted drug conveying, cell
The aspects such as imaging, biological detection, oncotherapy have huge application prospect.But, graphite
Alkene also needs to consider biological effect and safety in the application of biomedical sector.If preparation technology
Environmental protection, nontoxic, its application of biomedical sector ground floor safety just
To ensure that, Graphene and living things system interaction mechanism only need to be considered.
Currently, the preparation method of Graphene mainly has electronation graphene oxide method, chemistry gas
As the sedimentation method, crystal epitaxy method, mechanical stripping method etc..Wherein electronation graphite oxide
Alkene method is fully to be peeled off in water by graphite oxide, then it is carried out electronation or heat
Reduction obtains Graphene, and the method is considered as that one most possibly realizes Graphene industrialization system
For obtaining important method.But due to the process through Strong oxdiative-reduction, the electricity of graphene sheet layer
Sub-conjugated structure is destroyed, and reduces its physical and chemical performance.And in the oxidizing process of graphite
Need high-temperature process, or use the chemical substance that hydrazine hydrate, sodium borohydride etc. are poisonous, not only
Power consumption is big, efficiency is low, cost is high, and pollutes environment.
The chemical vapor sedimentation method mainly utilize gaseous carbon source at high temperature to decompose after at matrix surface
On catalytic growth prepare Graphene, the method is to prepare high-quality and large area monolayer stone
The important method of ink alkene.But its working condition is the harshest, power consumption is big, and cost is high.
Silicon carbide epitaxial growth method is by heating monocrystalline silicon carbide, under the high temperature conditions, by table
The Si in face etches away so that carbon atom separates out and reconfigures formation Graphene, prepared by the method
The Graphene mass ratio gone out is higher.But its Graphene obtained is the mixed of monolayer and multilamellar mostly
Compound, and there is stronger effect with matrix and be difficult to transfer so that the method is difficult to scale
Produce.
Mechanical stripping method is by the limellar stripping of Graphene by certain mechanical force, thus prepares
The less Graphene of defect.The mechanical stripping method occurred at present mainly has following 4 kinds:
(1) " tear tape " method: Gao Ding peels off the most repeatedly by adhesive tape in Geim seminar
To pyrolytic graphite, then the sample obtained is transferred on silicon chip, finally fall glue with acetone solution
Band, is prepared into single-layer graphene first.But the method productivity is low, it is difficult to realize extensive system
Standby.
(2) liquid phase stripping method: i.e. under liquid-phase system directly by ultrasonic or ball milling to graphite
Lamella is peeled off.Coleman seminar in METHYLPYRROLIDONE solvent or
Add and graphite is carried out the most ultrasonic by the aqueous solution of surfactant, prepare monolayer
With minority layer graphene.Chen Guohua seminar utilizes wet ball grinding to be 30 45 in surface tension
The organic solvent of mNm-1 carries out ball milling to graphite powder and prepares Graphene.But ultrasonic and ball
The solvent and the surfactant that use in mill method are difficult to thoroughly remove, and not only affect Graphene
Actual application, and the cost removing organic solvent and surfactant is high.
(3) three roller methods: Chen Guohua seminar utilizes industrial common processing technique three roller to peel off
Method, prepares adhesive by macromolecule dissolution in organic solvent, by three-roller tool power and grinding thereof
Dispersion effect, uses for reference the original preparation method " adhesive tape method " of Graphene, is peeled off layer by layer by graphite
Prepare Graphene.Concrete operations for PVC is dissolved in o-phthalic acid dibutyl ester, magnetic force
Adhesive is prepared, by macromolecular adhesive and graphite flake after 250 DEG C of heated and stirred 30min of constant temperature
Adding from the charging aperture of three-roller tool successively, the not stall along with three rollers is moved, and will constantly peel off
Graphite flake, is finally prepared into that defect is few, monolayer and the Graphene of minority layer.But owing to obtaining
Graphene need to utilize a large amount of organic solvent such as acetone, oxolane, Ketohexamethylene etc. or high
Temperature adds heat abstraction macromolecular adhesive, and cost is high and pollutes environment, limits it big in industrialization
Large-scale production is applied.
(4) solid particle Aided Machine stripping method: Wang Lidong, Fei Weidong [Wang Lidong, Fei Wei
, high-efficiency and low-cost mechanical stripping prepares the method [P] of Graphene or graphene oxide, in
State's patent: CN101817516A, 2010-09-01] invent high-efficiency and low-cost mechanical stripping
The method preparing Graphene or graphene oxide, the party's bright use automation, with the most small
Solid particle up-stripping process, by solid particle to the shearing of carbon materials and clash into make
With, increase the contact area in stripping process and peel off number of times.But the preparation that this invention provides
Method work system is complicated, can use organic solvent etc., pollutes environment, limits it in industry
On large-scale production.
Therefore, a kind of simple in the urgent need to exploitation, low cost, productivity be high, pollution-free,
The environmental protection novel preparation method easily promoted the use of.
Summary of the invention
The invention aims to solve high cost present in existing graphene preparation technology,
Inefficient, pollution environment, it is impossible to the problem that industrial scale produces, it is provided that a kind of extensive
Prepare the green method of Graphene.
To achieve these goals, the present invention adopts the following technical scheme that
Prepare the green method of Graphene on a large scale, comprise the following steps:
(1) it is 5:1～500:1 according to the mass ratio of water soluble organic substance Yu graphite, weighs water-soluble
Property Organic substance and graphite are standby；This water soluble organic substance, for reaching its softening point when temperature, to obtain final product
To the water soluble organic substance melt with gumminess；
(2) water soluble organic substance is positioned on three-roll grinder roller, heats three-roll grinder
Roller, the softening point of water soluble organic substance to be achieved, prepare and have as the water solublity of adhesive
Machine thing melt, bring into operation three-roll grinder, treats that water soluble organic substance melt is laid in three rollers and grinds
On the roller of grinding machine, being slow added into graphite, three-roll grinder continues to run with the graphite added
It is ground peeling off, obtains Graphene and water soluble organic substance melt blend；
(3) Graphene step (2) obtained and water soluble organic substance melt blend submergence
In distilled water, wash 3-5 time, to remove water soluble organic substance, i.e. obtain Graphene.
Described water soluble organic substance use the one in water solublity monosaccharide, disaccharide, oligosaccharide or
Multiple mixture, any two kinds and mixed above time be any proportioning.
Described water solublity monosaccharide use glucose, fructose, galactose, sorbose, Tagatose,
Inositol or mannose；Described water solublity disaccharide uses sucrose, lactose or maltose；Described
Water soluble oligosaccharide uses cottonseed sugar, xylose, trehalose, stachyose, cyclodextrin, Fructus Hordei Germinatus
Oligosaccharide, fructose oligosaccharides or soybean oligo saccharide.
Described graphite is in native graphite, expanded graphite, highly oriented graphite and thermal cracking graphite
The mixture of one or more, any two kinds and mixed above time be any proportioning.
In described step (2), the time of three-roll grinder stripping graphite is 0.5～72h.
Compared with prior art, present invention have an advantage that
(1) present invention is to utilize water soluble organic substance melt auxiliary three-roll grinder to peel off graphite,
Obtain Graphene and water soluble organic substance melt blend, then remove water solublity with distilled water wash
Organic substance melt, thus obtain Graphene.The present invention is using water soluble organic substance melt as gluing
Agent, imitate " tear tape " method prepare Graphene, improve Chen Guohua seminar by PVC
It is dissolved in o-phthalic acid dibutyl ester, prepares after 250 DEG C of heated and stirred 30min of magnetic force constant temperature
Adhesive, then adds from the charging aperture of three-roller tool successively by macromolecular adhesive and graphite flake
Enter, utilize three rollers to peel off graphite, finally remove height with organic solvent such as acetone or high-temperature heating
The preparation method of molecule adhesive.There is low cost, and environmental protection, industrialization can be carried out
Large-scale production.And whole preparation technology environmental protection, nontoxic, it is determined that it is being given birth to
The ground floor safety of thing field of medical applications.
(2) Wang Lidong, the high-efficiency and low-cost mechanical stripping of expense dimension invention prepare Graphene
Or the method for graphene oxide [Wang Lidong, Fei Weidong, prepared by high-efficiency and low-cost mechanical stripping
The method [P] of Graphene or graphene oxide, Chinese patent: CN101817516A,
2010-09-01], the party's bright use automation, with the most small solid particle up-stripping
Process, by solid particle to the shearing of carbon materials and effect of impact, increases in stripping process
Contact area and peel off number of times, relative to this invention, the principle of the present invention be utilize with water-soluble
Property Organic substance melt as adhesive, use for reference " adhesive tape method " and prepare Graphene, rather than with greatly
Amount minute solid particles carries out mechanical stripping as auxiliary.Have simple for process, there is ring
Border friendly, easily promotes the use of, it is adaptable to industrial scale produces.
Detailed description of the invention
In order to be better understood from the present invention, it is further elucidated with in the present invention below in conjunction with embodiment
Hold, but present disclosure is not limited solely to below example.
Embodiment 1:
Prepare the green method of Graphene on a large scale, comprise the steps:
(1) quality of expanded graphite 4g, glucose 20g, glucose and expanded graphite is weighed
Ratio is 5:1；
(2) glucose is positioned on three-roll grinder roller, the roller of heating three-roll grinder
Cylinder, the softening point of glucose to be achieved 130 DEG C, prepare the glucose melt as adhesive,
Bring into operation three-roll grinder, treats that glucose melt is laid on the roller of three-roll grinder, then
Being slowly added to expanded graphite, the expanded graphite that three-roll grinder continues to run with adding is ground
Peel off 30min, obtain Graphene and glucose melt blend；
(3) Graphene and glucose melt blend step (2) obtained is immersed in distillation
In water, first with after 100 DEG C of distilled water washs 3 times, then wash 2 times with normal-temperature distilled water, remove
Remove adhesive glucose melt, vacuum filtration, finally the product after sucking filtration is done in electric heating air blast
In dry case, 100 DEG C of dry 12h, obtain Graphene.
Embodiment 2:
Prepare the green method of Graphene on a large scale, comprise the steps:
(1) matter of native graphite 4g, maltose 200g, maltose and native graphite is weighed
Amount ratio is 50:1；
(2) maltose is positioned on three-roll grinder roller, the roller of heating three-roll grinder
Cylinder, the softening point of maltose to be achieved 95 DEG C, prepare the maltose melt as adhesive,
Bring into operation three-roll grinder, treats that maltose melt is laid on the roller of three-roll grinder, then
Being slowly added to native graphite, the native graphite that three-roll grinder continues to run with adding is ground
Peel off 2h, obtain Graphene and maltose melt blend；
(3) Graphene and maltose melt blend step (2) obtained is immersed in distillation
In water, first with after 100 DEG C of distilled water washs 3 times, then wash 2 times with normal-temperature distilled water, remove
Remove adhesive maltose melt, vacuum filtration, finally the product after sucking filtration is done in electric heating air blast
In dry case, 100 DEG C of dry 12h, obtain Graphene.
Embodiment 3:
Prepare the green method of Graphene on a large scale, comprise the steps:
(1) thermal cracking graphite 2g, cottonseed sugar 500g, cottonseed sugar and thermal cracking graphite are weighed
Mass ratio be 250:1；
(2) cottonseed sugar is positioned on three-roll grinder roller, the roller of heating three-roll grinder
Cylinder, the softening point of cottonseed sugar to be achieved 65 DEG C, prepare the cottonseed sugar melt as adhesive,
Bring into operation three-roll grinder, treats that cottonseed sugar melt is laid on the roller of three-roll grinder, then
Being slowly added to thermal cracking graphite, the thermal cracking graphite that three-roll grinder continues to run with adding is carried out
Grind and peel off 24h, obtain Graphene and cottonseed sugar melt blend；
(3) Graphene and cottonseed sugar melt blend step (2) obtained is immersed in distillation
In water, first with after 100 DEG C of distilled water washs 3 times, then wash 2 times with normal-temperature distilled water, remove
Remove adhesive cottonseed sugar melt, vacuum filtration, finally the product after sucking filtration is done in electric heating air blast
In dry case, 100 DEG C of dry 12h, obtain Graphene.
Embodiment 4:
Prepare the green method of Graphene on a large scale, comprise the steps:
(1) highly oriented graphite 3g is weighed, sucrose 90g, sucrose and the matter of highly oriented graphite
Amount ratio is 30:1；
(2) sucrose is positioned on three-roll grinder roller, the roller of heating three-roll grinder,
The softening point of sucrose to be achieved 165 DEG C, prepares the sucrose melt as adhesive, brings into operation
Three-roll grinder, treats that sucrose melt is laid on the roller of three-roll grinder, is slow added into height
Orientation graphite, three-roll grinder continues to run with and is ground peeling off to the highly oriented graphite added
48h, obtains Graphene and sucrose melt blend；
(3) Graphene and sucrose melt blend step (2) obtained is immersed in distilled water
In, first with after 100 DEG C of distilled water washs 3 times, then wash 2 times with normal-temperature distilled water, remove
Adhesive sucrose melt, vacuum filtration, finally by the product after sucking filtration at electric drying oven with forced convection
In 100 DEG C of dry 12h, obtain Graphene.
Embodiment 5:
Prepare the green method of Graphene on a large scale, comprise the steps:
(1) expanded graphite 2g, native graphite 1g, xylose 1200g, xylose and stone are weighed
The mass ratio of ink is 400:1；
(2) xylose is positioned on three-roll grinder roller, the roller of heating three-roll grinder,
The softening point of xylose to be achieved 75 DEG C, prepares the xylose melt as adhesive, brings into operation
Three-roll grinder, treats that xylose melt is laid on the roller of three-roll grinder, is slow added into swollen
Swollen graphite and native graphite, three-roll grinder continues to run with the expanded graphite added and natural stone
Ink is ground peeling off 60h, obtains Graphene and xylose melt blend；
(3) Graphene and xylose melt blend step (2) obtained is immersed in distilled water
In, first with after 100 DEG C of distilled water washs 3 times, then wash 2 times with normal-temperature distilled water, remove
Adhesive xylose melt, vacuum filtration, finally by the product after sucking filtration at electric drying oven with forced convection
In 100 DEG C of dry 12h, obtain Graphene.
Embodiment 6:
Prepare the green method of Graphene on a large scale, comprise the steps:
(1) thermal cracking graphite 2g, fructose 1000g, fructose and thermal cracking graphite are weighed
Mass ratio is 500:1；
(2) fructose is positioned on three-roll grinder roller, the roller of heating three-roll grinder,
The softening point of fructose to be achieved 80 DEG C, prepares the fructose melt as adhesive, brings into operation
Three-roll grinder, treats that fructose melt is laid on the roller of three-roll grinder, is slow added into heat
Cracking graphite, three-roll grinder continues to run with and is ground peeling off to the thermal cracking graphite added
72h, obtains Graphene and fructose melt blend；
(3) Graphene and fructose melt blend step (2) obtained is immersed in distilled water
In, first with after 100 DEG C of distilled water washs 3 times, then wash 2 times with normal-temperature distilled water, remove
Adhesive fructose melt, vacuum filtration, finally by the product after sucking filtration at electric drying oven with forced convection
In 100 DEG C of dry 12h, obtain Graphene.
Embodiment 7:
Prepare the green method of Graphene on a large scale, comprise the steps:
(1) matter of expanded graphite 2g, galactose 400g, galactose and expanded graphite is weighed
Amount ratio is 200:1；
(2) galactose is positioned on three-roll grinder roller, the roller of heating three-roll grinder
Cylinder, the softening point of galactose to be achieved 140 DEG C, prepare the galactose melt as adhesive,
Bring into operation three-roll grinder, treats that galactose melt is laid on the roller of three-roll grinder, then
Being slowly added to expanded graphite, the expanded graphite that three-roll grinder continues to run with adding is ground
Peel off 8h, obtain Graphene and galactose melt blend；
(3) Graphene and galactose melt blend step (2) obtained is immersed in distillation
In water, first with after 100 DEG C of distilled water washs 3 times, then wash 2 times with normal-temperature distilled water, remove
Remove adhesive galactose melt, vacuum filtration, finally the product after sucking filtration is done in electric heating air blast
In dry case, 100 DEG C of dry 12h, obtain Graphene.
Embodiment 8:
Prepare the green method of Graphene on a large scale, comprise the steps:
(1) expanded graphite 4g, glucose 25g, maltose 25g, sucrose 30g are weighed,
Organic substance is 20:1 with the mass ratio of graphite；
(2) glucose, maltose and sucrose are positioned on three-roll grinder roller, heating
The roller of three-roll grinder, the softening point of sucrose to be achieved 165 DEG C, prepare as adhesive
By the mixing Organic substance melt of glucose melt, maltose melt and sucrose melt mixed,
Bring into operation three-roll grinder, treats that this mixing Organic substance melt is laid in the roller of three-roll grinder
On, it being slow added into expanded graphite, the expanded graphite that three-roll grinder continues to run with adding enters
Row grinds peels off 30h, obtains Graphene and mixing Organic substance melt blend；
(3) Graphene step (2) obtained and mixing Organic substance melt blend are immersed in
In distilled water, first with after 100 DEG C of distilled water washs 3 times, then wash 2 times with normal-temperature distilled water,
Removing adhesive mixing Organic substance melt, vacuum filtration, finally by the product after sucking filtration at electric heating
In air dry oven, 100 DEG C of dry 12h, obtain Graphene.
Embodiment 9:
Prepare the green method of Graphene on a large scale, comprise the steps:
(1) expanded graphite 2.5g, thermal cracking graphite 2.5g, sucrose 25g, fructose are weighed
25g, Organic substance is 10:1 with the mass ratio of graphite；
(2) sucrose and fructose are positioned on three-roll grinder roller, heat three-roll grinder
Roller, the softening point of sucrose to be achieved 165 DEG C, prepare as adhesive by sucrose melt
With the mixing Organic substance melt of fructose melt mixed, bring into operation three-roll grinder, treats this
Mixing Organic substance melt be laid on the roller of three-roll grinder, be slow added into expanded graphite and
Thermal cracking graphite, three-roll grinder continues to run with and enters the expanded graphite added and thermal cracking graphite
Row grinds peels off 4h, obtains Graphene and mixing Organic substance melt blend；
(3) Graphene step (2) obtained and mixing Organic substance melt blend are immersed in
In distilled water, first with after 100 DEG C of distilled water washs 3 times, then wash 2 times with normal-temperature distilled water,
Removing adhesive mixing Organic substance melt, vacuum filtration, finally by the product after sucking filtration at electric heating
In air dry oven, 100 DEG C of dry 12h, obtain Graphene.
In the present invention, it is by as follows that water soluble organic substance is heated into water soluble organic substance melt
Mode realizes: between adjusting in the usual way before, during and after three-roll grinder between roller
Gap, then part aqueous Organic substance is respectively placed on three rollers, heating roller makes water-soluble
Property Organic substance is melted into the melt with gumminess, more remaining water soluble organic substance is poured on tool
Having on the melt of gumminess, water soluble organic substance is stuck, and will not drop to outside roller, continues
Heating makes whole water soluble organic substances all be melted into the melt with gumminess.
Claims (4)
- Prepare the green method of Graphene the most on a large scale, it is characterised in that comprise the following steps:(1) it is 5:1～500:1 according to the mass ratio of water soluble organic substance Yu graphite, weighs water-soluble Property Organic substance and graphite are standby；This water soluble organic substance reaches its softening point when temperature, i.e. obtains There is the water soluble organic substance melt of gumminess；(2) water soluble organic substance is positioned on three-roll grinder roller, heats three-roll grinder Roller, the softening point of water soluble organic substance to be achieved, prepare and have as the water solublity of adhesive Machine thing melt, bring into operation three-roll grinder, treats that water soluble organic substance melt is laid in three rollers and grinds On the roller of grinding machine, being slow added into graphite, three-roll grinder continues to run with the graphite added It is ground peeling off, obtains Graphene and water soluble organic substance melt blend；(3) Graphene step (2) obtained and water soluble organic substance melt blend submergence In distilled water, wash 3-5 time, to remove water soluble organic substance, i.e. obtain Graphene；Described water soluble organic substance uses one or more in water solublity monosaccharide, oligosaccharide Mixture, any two kinds and mixed above time be any proportioning.
- The green method preparing Graphene on a large scale the most according to claim 1, it is special Levying and be, described water solublity monosaccharide uses glucose, fructose, galactose, sorbose, tower Lattice sugar, inositol or mannose；Described water soluble oligosaccharide use sucrose, lactose, cottonseed sugar, Trehalose, stachyose, cyclodextrin, Fructus Hordei Germinatus oligose, fructose oligosaccharides or soybean oligo saccharide.
- The green method preparing Graphene on a large scale the most according to claim 1, it is special Levying and be, described graphite is native graphite, expanded graphite, highly oriented graphite and thermal cracking stone The mixture of one or more in ink, any two kinds and mixed above time be any proportioning.
- The green method preparing Graphene on a large scale the most according to claim 1, it is special Levying and be, in described step (2), the time of three-roll grinder stripping graphite is 0.5～72h.
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| CN106554010A (en) | 2015-09-25 | 2017-04-05 | 苏州烯时代石墨烯科技有限公司 | The method of preparation of industrialization big size graphene |
| CN106365156B (en) * | 2016-08-28 | 2018-07-06 | 桂林新艺制冷设备有限责任公司 | A kind of method for preparing graphene |
| CN107055519A (en) * | 2016-12-28 | 2017-08-18 | 成都新柯力化工科技有限公司 | A kind of method peeled off and prepare graphene microchip that rubbed using three-roll grinder in the same direction |
| CN106564884A (en) * | 2017-01-19 | 2017-04-19 | 成都新柯力化工科技有限公司 | Method for preparing graphene through mechanical stretching |
| CN108328603B (en) * | 2017-01-20 | 2021-10-12 | 清华大学 | Method for transferring sugar-based nanomaterials |
| CN107140628B (en) * | 2017-07-03 | 2020-02-14 | 北京旭碳新材料科技有限公司 | Modified graphene slurry and preparation method thereof |
| CN108163847B (en) * | 2018-01-12 | 2020-04-17 | 昂星新型碳材料常州有限公司 | Preparation method of large-sheet-diameter graphene and large-sheet-diameter graphene |
| CN108675288A (en) * | 2018-07-25 | 2018-10-19 | 恒力（厦门）石墨烯科技产业集团有限公司 | A kind of method that Mechanical Method prepares high purity graphite alkene microplate |
| CN109019577A (en) * | 2018-09-29 | 2018-12-18 | 深圳市通产丽星股份有限公司 | A kind of graphene and preparation method thereof |
| CN108996495A (en) * | 2018-09-29 | 2018-12-14 | 深圳市通产丽星股份有限公司 | A kind of nano-graphene microplate and preparation method thereof |
| CN110143586B (en) * | 2019-03-26 | 2021-04-02 | 中科悦达(上海)材料科技有限公司 | Preparation method of single-layer or few-layer graphene |
| CN110040727B (en) * | 2019-05-15 | 2022-07-29 | 华侨大学 | Continuous stripping preparation method of graphene sheet |
| CN111847433A (en) * | 2020-06-29 | 2020-10-30 | 深圳石墨烯创新中心有限公司 | Method for preparing graphene by using three-roller grinding machine |
| CN115611271B (en) * | 2022-10-28 | 2024-02-23 | 中国科学院福建物质结构研究所 | Preparation method of graphene |
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| CN101817516A (en) * | 2010-05-21 | 2010-09-01 | 哈尔滨工业大学 | Method for preparing graphene or graphene oxide by using high-efficiency and low-cost mechanical stripping |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817516A (en) * | 2010-05-21 | 2010-09-01 | 哈尔滨工业大学 | Method for preparing graphene or graphene oxide by using high-efficiency and low-cost mechanical stripping |
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| Title |
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| Continuous mechanical exfoliation of graphene sheets via three-roll mill;jinfeng Chen et al.;《Journal of Materials Chemistry》;20120803;第22卷;第19625-19628页 * |
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