CN102602918A - Graphene band prepared with acid oxidized flat carbon nano-tube and method for preparing graphene band - Google Patents
Graphene band prepared with acid oxidized flat carbon nano-tube and method for preparing graphene band Download PDFInfo
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- CN102602918A CN102602918A CN2012100773640A CN201210077364A CN102602918A CN 102602918 A CN102602918 A CN 102602918A CN 2012100773640 A CN2012100773640 A CN 2012100773640A CN 201210077364 A CN201210077364 A CN 201210077364A CN 102602918 A CN102602918 A CN 102602918A
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Abstract
The invention relates to a graphene band prepared with an acid oxidized flat carbon nano-tube and a method for preparing the graphene band. The method includes the specific and main steps: preliminarily oxidizing a carbon nano-tube with acid; oxidizing the carbon nano-tube with strong oxidizers; adding water for hydrolysis; adding hydrogen peroxide for purification; and preparing the graphene band after washing and drying. The acid oxidized flat carbon nano-tube is precisely, directionally and longitudinally cut along the edge of the acid oxidized flat carbon nano-tube, so that the regular and uniform high-quality graphene band is prepared. The method is simple and convenient, is easy to implement and control, and can be used for directional cutting in a wide temperature range and under various oxidization conditions, and preparing the graphene band on a large scale. The prepared graphene band is uniform, regular and narrow, has uniform layers and neat edges, and can be applied to composite materials, conductive and heat conducting materials, sensors, electronic circuits, micro-nano devices and related fields.
Description
Technical field
The present invention relates to a kind of Graphene band with acid oxidase flat made of carbon nanotubes and preparation method thereof, specifically is to adopt the directed cutting of acid oxidase flat made of carbon nanotubes graphene strips carrying material and preparation method thereof, belongs to the nano material preparation technical field.
Background technology
The Graphene band is the grapheme material of nano-width, generally contains 1 to 10 layer of graphite.The Graphene band has unique two-dimensional layer nanostructure, HS, high conductivity, high thermal conductivity; Has the responsive semiconducting behavior of 1-dimention nano ribbon structure simultaneously; For example, narrow Graphene band (less than 10nm) presents semiconducting behavior, and wide band can change conductor into.These excellent structures of Graphene band, mechanics, physics and semiconducting behavior make it have wide practical use in fields such as high performance composite, conductive heat conducting material, transparency electrode, nanometer circuit and transmitters.The a large amount of rules of these application needs of Graphene are Graphene band and feasible preparation method uniformly.At present; Used physical chemistry cutting Graphene approach is difficult to the Graphene band of formation rule, and is raw material with the carbon nanotube, also is difficult to obtain the Graphene band of rule through the method for cuttings such as acid oxidase or plasma body; This is because used carbon nanotube all is a round tube; Even structure lacks special defect sites, is difficult to orientation and cuts into regular Graphene band.
Employing flat carbon nanotube can be realized its directed cutting is formed the controlled regular Graphene band of all even number of plies of width through the method for acid oxidase.The carbon nanotube of flat is formed by spontaneous the subsiding of circular carbon pipe.The tubular structure that common carbon nanotube constitutes for the closed circle graphite linings, when the carbon nanotube diameter of circle arrived to a certain degree greatly, circular carbon-coating was no longer stable, under the effect of carbon pipe interlayer Van der Waals force, collapses, and forms the carbon nanotube of flat.The carbon nanotube of this flat can betide the carbon nanotube of the different graphite numbers of plies, and single wall, double-walled and multi-walled carbon nano-tubes all can form the flat carbon nanotube.The carbon nanotube of these flats has highly crooked limit, and these position carbon atoms are active high, under the acid oxidase condition, are easy to reaction, can realize that with this preparation is the high quality Graphene band of rule evenly to its directed cutting.
Can prepare the carbon nanotube of various flats at present with chemical gas-phase method, comprise the flat carbon nanotube of single wall, double-walled, three walls and many walls.Not only can prepare pulverous flat carbon nanotube with this method, also can prepare by the carbon nanotube of flat and connect the arrange fiber that forms and the macroscopic body of film.The carbon nanotube of these flats and macroscopic body thereof provide feasible raw material for directed cutting preparation high quality Graphene band.
Summary of the invention
The object of the present invention is to provide a kind of Graphene band with acid oxidase flat made of carbon nanotubes and preparation method thereof.Employing along carbon tube edges accurate pointing cutting carbon nanotubes prepare rule, narrow width, evenly, the high quality Graphene band of neat in edge, can be applicable to matrix material, conductive heat conducting material, transmitter, electronic circuit, micro-nano device and association area.This method is easy, realizes easily and controls, and can under the temperature of broad and various oxidizing condition, carry out the orientation cutting, can prepare high quality Graphene band by controllable high-efficiency, is produced on a large scale.
Graphene band with acid oxidase flat made of carbon nanotubes provided by the invention is to be raw material with flat carbon nanotube and oxidizing acid and oxidisability hydrochlorate (oxygenant) thereof; Flat carbon nanotube and oxidizing acid quality are 1 than scope: 3-1: 2000, and the flat carbon nanotube is 1 with oxidisability salt quality than scope: 2-1: 15.Preparation process: the preoxidation in oxidizing acid of flat carbon nanotube, carry out oxygen cutting with oxygenant again, the product hydrolysis is removed by product and unreacted oxidant with ydrogen peroxide 50, washs drying respectively with Hydrogen chloride, ethanol and water.
Described flat carbon nanotube is by one or both or three kinds of mixing in single wall, double-walled, the multi-walled carbon nano-tubes, and the flat carbon nanotube can be single, double joint or the many bundles that the flat carbon nanotube is assembled or is formed by stacking.
Described Graphene band is network or its mixing that dispersive Graphene band, Graphene band constitute; Graphene strips belt number is individual layer, bilayer, 3-20 layer or its mixing, and width is 5nm-500nm.
The preparation method of the Graphene band with acid oxidase flat made of carbon nanotubes provided by the invention prepares through following steps:
1) the flat carbon nanotube added under 10-90 ℃ and stir preoxidation 10-60 minute in the oxidizing acid, separate carbon nano-tube bundle;
2) the 10-90 ℃ of following oxygenant that adds carried out oxidation 30 minutes-4 hours, the cutting carbon nanotubes tube wall;
3) add deionized water, stir and be hydrolyzed in 20-40 minute;
4) add H
2O
2Stir, carry out purifying, remove the intact oxygenant of by product and unreacted;
5) the centrifugal 5-30 of 5000-20000rpm minute, product with Hydrogen chloride, alcohol and deionized water wash respectively, centrifugal product 2 times, collect the centrifuge tube bottoms, 40-80 ℃ of drying makes Graphene band product.
The oxidizing acid of described preoxidation is the oxygen acid of the vitriol oil, concentrated nitric acid, rare nitric acid, nitrous acid, hypochlorous acid, chloric acid, chlorous acid, perchloric acid, nitrous acid and chlorine or bromine or iodine.
Described oxygenant is acid, hydrochlorate or its mixing with strong oxidizing property, like the oxygen acid of permanganate, concentrated nitric acid, rare nitric acid, nitrous acid, hypochlorous acid, chloric acid, chlorous acid, perchloric acid, nitrous acid, chlorine or bromine or iodine such as the vitriol oil, permanganic acid, potassium permanganate.
Described oxidizing acid is the vitriol oil, and described oxygenant is a potassium permanganate.The massfraction of described flat carbon nanotube in reaction system is 0.05%-20.0%; The massfraction of potassium permanganate is 0.05%-35.0%, the massfraction 50.0%-99.8% of the vitriol oil.
Described carbon nanotube is 1 with vitriol oil quality than scope: 3-1: 2000, and carbon nanotube is 1 with the potassium permanganate quality than scope: 2-1: 15.
But what technology of the present invention provided is the method that a kind of accurate pointing cutting carbon nanotubes prepares regular Graphene band with acid oxidase flat made of carbon nanotubes Graphene band.Only need carbon nanotube is added in the acid; Utilize flat carbon nanotube height curved edges to have high reactivity, realize directed cutting, can under the temperature of broad and various oxidizing condition, carry out orientation cutting; Method is easy; Realize easily and control, can prepare high quality Graphene band by controllable high-efficiency, can realize scale preparation.Make Graphene band rule, narrow width, even, neat in edge, can be applicable to matrix material, conductive heat conducting material, transmitter, electronic circuit, micro-nano device and association area.
Description of drawings
Fig. 1: the flat carbon nanotube high power transmission electron microscope picture that the present invention is used.
Fig. 2: the Graphene band low power transmission electron microscope picture that the embodiment of the invention 1 makes.
Fig. 3: the Graphene band high power transmission electron microscope picture that the embodiment of the invention 1 makes.
Fig. 4: the Graphene band intermediate product high power transmission electron microscope picture that the embodiment of the invention 1 makes.
Fig. 5: the Graphene band Raman spectrum that the embodiment of the invention 1 makes.
Fig. 6: the Graphene band high power transmission electron microscope picture that the embodiment of the invention 3 makes.
Fig. 7: the Graphene band high power transmission electron microscope picture that the embodiment of the invention 11 makes.
Fig. 8: the Graphene band high power transmission electron microscope picture that the embodiment of the invention 12 makes.
Embodiment
Embodiment 1: prepare carbon nano-tube fibre according to patent CN101665997A reported method, this flat carbon nano-tube fibre is connected and is arranged by the flat carbon nanotube and forms.Flat carbon nanotube with above-mentioned patented process preparation is a raw material, and microtexture is the bundle that flat carbon nanotube lamination becomes, like accompanying drawing 1.With the vitriol oil is the preoxidation agent, is oxygenant with potassium permanganate, with acid oxidase cutting carbon pipe flat made of carbon nanotubes Graphene band.Oxidizing condition is: the mass ratio of the vitriol oil and flat carbon nanotube is 6, and the mass ratio of potassium permanganate and flat carbon nanotube is 4.The flat carbon nanotube is added in the vitriol oil (98%) 60 ℃ of water-baths, 200rpm magnetic agitation preoxidation 30 minutes; Add potassium permanganate, 60 ℃ of insulated and stirred were carried out oxidation in 90 minutes; Add deionized water continuation stirring was hydrolyzed in 20 minutes; Add H
2O
2Stir and carried out purifying in 2 minutes, remove unreacted intact potassium permanganate and by product; With acid oxidase product centrifugal 5 minutes of the centrifuge tube 10000rpm that packs into, outwell supernatant liquid, with Hydrogen chloride (3wt.%), alcohol and deionized water wash respectively, centrifugal product 2 times, collect the centrifuge tube bottoms, drying makes Graphene band product.
Observing the confirmation product with transmission scanning electron microscope (Tecnai G2 F20-200kV field transmission electron microscope, U.S. FEI Co.) is the nanometer band, these graphene nano bar bandwidth 8-12nm, and thick in 1nm, 2 layers of the numbers of plies are like accompanying drawing 2.The wide 12nm of Graphene band typical case, wide near the flat carbon nanotube, promptly the graphene strips bandwidth is that flat carbon nanotube girth is half the; Graphene band after the incision is double-deck, and width is even, and two Graphene bands stack, like accompanying drawing 3.The half the flat carbon nanotube intermediate product of transmission electron microscope observing acid oxidase cutting has confirmed that the Graphene band is that acid oxidase is along the edge-oriented incision of flat carbon nanotube, like accompanying drawing 4.Raman spectrum (DXR type laser Raman spectrometer; U.S. Thermo Fisher Scientific company) analyzing the more former flat carbon nanotube of graphene nano band G peak, D peak and 2D obviously broadens; The obvious grow in D peak shows that acid oxidase cuts flat carbon pipe open and become the Graphene band, like accompanying drawing 5.
Embodiment 2: experimentation changes the quality ratio of the vitriol oil and oxidant potassium permanganate and carbon pipe with embodiment 1, and the mass ratio of the vitriol oil and flat carbon nanotube is 3, and the mass ratio of potassium permanganate and flat carbon nanotube is 2, preparation Graphene band.
Embodiment 3: experimentation is with embodiment 1; Change the quality ratio of the vitriol oil and oxidant potassium permanganate and carbon pipe, the mass ratio of the vitriol oil and flat carbon nanotube is 7.5, and the mass ratio of potassium permanganate and flat carbon nanotube is 5; Make the Graphene band, like accompanying drawing 6.
Embodiment 4: experimentation changes the quality ratio of the vitriol oil and oxidant potassium permanganate and carbon pipe with embodiment 1, and the mass ratio of the vitriol oil and flat carbon nanotube is 15, and the mass ratio of potassium permanganate and flat carbon nanotube is 10, preparation Graphene band.
Embodiment 5: experimentation changes the quality ratio of the vitriol oil and oxidant potassium permanganate and carbon pipe with embodiment 1, and the mass ratio of the vitriol oil and flat carbon nanotube is 22.5, and the mass ratio of potassium permanganate and flat carbon nanotube is 15, preparation Graphene band.
Embodiment 6: experimentation changes the quality ratio of the vitriol oil and oxidant potassium permanganate and carbon pipe with embodiment 1, and the mass ratio of the vitriol oil and flat carbon nanotube is 30, and the mass ratio of potassium permanganate and flat carbon nanotube is 20.Oxidation stage observes that the flat carbon nanotube is oxidized to gas in the reaction system, does not obtain product.
Embodiment 7: experimentation changes the quality ratio of the vitriol oil and oxidant potassium permanganate and carbon pipe with embodiment 1, and the mass ratio of the vitriol oil and flat carbon nanotube is 37.5, and the mass ratio of potassium permanganate and flat carbon nanotube is 25.Oxidation stage observes that the flat carbon nanotube is oxidized to gas in the reaction system, does not obtain product.
Embodiment 8: experimentation increases vitriol oil consumption with embodiment 6, and the mass ratio of the vitriol oil and flat carbon nanotube is 875, and the mass ratio of potassium permanganate and flat carbon nanotube is 10, preparation Graphene band.
Embodiment 9: experimentation increases the vitriol oil and potassium permanganate consumption with embodiment 6, and the mass ratio of the vitriol oil and flat carbon nanotube is 1750, and the mass ratio of potassium permanganate and flat carbon nanotube is 20, preparation Graphene band.
Embodiment 10: experimentation increases vitriol oil consumption with embodiment 1, low potassium permanganate consumption, and the mass ratio of the vitriol oil and flat carbon nanotube is 2000, the mass ratio of potassium permanganate and flat carbon nanotube is 3, preparation Graphene band.
Embodiment 11: experimentation is with embodiment 3; The mass ratio of the vitriol oil and flat carbon nanotube is 7.5, and the mass ratio of potassium permanganate and flat carbon nanotube is 5, and the acid oxidase temperature is 20 ℃; Make the carbon nanotube partial cut and be split into the graphene strips carrying material, like accompanying drawing 7.
Embodiment 12: experimentation is with embodiment 3, and the acid oxidase temperature is 40 ℃, makes the carbon nanotube cutting and is split into the graphene strips carrying material.Transmission electron microscope observing flat carbon nanotube is split into the Graphene band along the flat tube edge cuts, makes the Graphene band and connects and composes network, and the graphene strips belt edge is smooth, and surface clean is like accompanying drawing 8.
Embodiment 13: experimentation is with embodiment 3, and the acid oxidase temperature is 80 ℃, preparation Graphene band.
Claims (10)
1. Graphene band; It is characterized in that it is is raw material with flat carbon nanotube and oxidizing acid and oxidisability hydrochlorate thereof; Flat carbon nanotube and oxidizing acid mass ratio are 1: 3-1: 2000, and the mass ratio of flat carbon nanotube and oxygenant is 1: 2-1: 15; Preparation process: the preoxidation in oxidizing acid of flat carbon nanotube, use the oxidisability hydrochlorate to carry out oxygen cutting again as oxygenant, the product hydrolysis is removed by product and unreacted oxidant with ydrogen peroxide 50, washs drying respectively with Hydrogen chloride, ethanol and water.
2. Graphene band according to claim 1 is characterized in that described flat carbon nanotube is one or both or the three kinds of mixing in single wall, double-walled, the multi-walled carbon nano-tubes.
3. Graphene band according to claim 1 is characterized in that described flat carbon nanotube is single, double joint or the many bundles that the flat carbon nanotube is assembled or is formed by stacking.
4. Graphene band according to claim 1 is characterized in that described Graphene band is network or its mixing that dispersive Graphene band, Graphene band constitute.
5. Graphene band according to claim 1 is characterized in that described graphene strips belt number is individual layer, bilayer, 3-20 layer or its mixing; Width is 5nm-500nm.
6. described method with acid oxidase flat made of carbon nanotubes Graphene band of claim 1 is characterized in that it is through following steps:
1) presses metering down with stirring preoxidation 10-60 minute in the flat carbon nanotube adding oxidizing acid for 10-90 ℃, separate carbon nano-tube bundle;
2) the 10-90 ℃ of following oxygenant that adds carries out 30 minutes-4 hours cutting carbon nanotubes tube walls of oxidation;
3) add deionized water, stir and be hydrolyzed in 20-40 minute;
4) add H
2O
2Carry out purifying, stir, remove the intact oxygenant of by product and unreacted;
5) the centrifugal 5-30 of 5000-20000rpm minute, product with Hydrogen chloride, alcohol and deionized water wash respectively, centrifugal product 2 times, collect the centrifuge tube bottoms, 40-80 ℃ of drying makes Graphene band product.
7. method according to claim 6 is characterized in that described oxidizing acid is the oxygen acid of the vitriol oil, concentrated nitric acid, rare nitric acid, nitrous acid, hypochlorous acid, chloric acid, chlorous acid, perchloric acid, nitrous acid and chlorine or bromine or iodine.
8. method according to claim 6 is characterized in that described oxygenant is the oxygen acid of the vitriol oil, permanganic acid, potassium permanganate, concentrated nitric acid, rare nitric acid, nitrous acid, hypochlorous acid, chloric acid, chlorous acid, perchloric acid, nitrous acid and chlorine or bromine or iodine.
9. method according to claim 6 is characterized in that described oxidizing acid is the vitriol oil, and described oxygenant is a potassium permanganate.
10. method according to claim 9 is characterized in that the massfraction of described flat carbon nanotube in reaction system is 0.05%-20.0%; The massfraction of potassium permanganate is 0.05%-35.0%, the massfraction 50.0%-99.8% of the vitriol oil.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910621A (en) * | 2012-10-23 | 2013-02-06 | 上海乘鹰新材料有限公司 | Preparation methods and applications of multilayer graphene and multilayer graphene modified electrode |
| CN103332689A (en) * | 2013-07-17 | 2013-10-02 | 中国科学院宁波材料技术与工程研究所 | Preparation method and application of porous graphene nano band |
| CN103864069A (en) * | 2014-03-26 | 2014-06-18 | 天津师范大学 | Method for preparing graphene by taking carbon nanotubes with discontinuous tube walls as raw materials |
| CN104817075A (en) * | 2015-04-17 | 2015-08-05 | 重庆大学 | Preparation method of highly-dispersed graphene oxide nanobelt liquid |
| CN104894843A (en) * | 2015-05-22 | 2015-09-09 | 哈尔滨唐风科技发展有限公司 | Surface treatment method for carbon fiber production waste used in wood-plastic composite |
| CN105924683A (en) * | 2016-05-31 | 2016-09-07 | 刘雷 | Electric conduction and heat conduction material for computers and preparation method of electric conduction and heat conduction material |
| CN106525936A (en) * | 2016-11-11 | 2017-03-22 | 遵义师范学院 | Preparation method and application of dual signal electrochemical sensor for detecting aminopyrene |
| CN108529608A (en) * | 2018-07-01 | 2018-09-14 | 曲靖师范学院 | A method of high-quality graphene nanometer sheet is prepared by carbon nanotube |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665997A (en) * | 2009-09-25 | 2010-03-10 | 天津大学 | Lamellar carbon nanofibre and preparation method thereof |
-
2012
- 2012-03-22 CN CN2012100773640A patent/CN102602918A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665997A (en) * | 2009-09-25 | 2010-03-10 | 天津大学 | Lamellar carbon nanofibre and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| DMITRY V. KOSYNKIN ET AL.: "Longitudinal unzipping of carbon nanotubes to form graphene nanoribbons", 《NATURE》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910621A (en) * | 2012-10-23 | 2013-02-06 | 上海乘鹰新材料有限公司 | Preparation methods and applications of multilayer graphene and multilayer graphene modified electrode |
| CN102910621B (en) * | 2012-10-23 | 2015-05-13 | 上海乘鹰新材料有限公司 | Preparation methods and applications of multilayer graphene and multilayer graphene modified electrode |
| CN103332689A (en) * | 2013-07-17 | 2013-10-02 | 中国科学院宁波材料技术与工程研究所 | Preparation method and application of porous graphene nano band |
| CN103332689B (en) * | 2013-07-17 | 2016-03-30 | 中国科学院宁波材料技术与工程研究所 | A kind of porous graphene nano belt and preparation method thereof and application |
| CN103864069A (en) * | 2014-03-26 | 2014-06-18 | 天津师范大学 | Method for preparing graphene by taking carbon nanotubes with discontinuous tube walls as raw materials |
| CN103864069B (en) * | 2014-03-26 | 2015-09-09 | 天津师范大学 | A kind of with discontinuous tube wall carbon nanotube for the method for Graphene prepared by raw material |
| CN104817075A (en) * | 2015-04-17 | 2015-08-05 | 重庆大学 | Preparation method of highly-dispersed graphene oxide nanobelt liquid |
| CN104894843A (en) * | 2015-05-22 | 2015-09-09 | 哈尔滨唐风科技发展有限公司 | Surface treatment method for carbon fiber production waste used in wood-plastic composite |
| CN105924683A (en) * | 2016-05-31 | 2016-09-07 | 刘雷 | Electric conduction and heat conduction material for computers and preparation method of electric conduction and heat conduction material |
| CN106525936A (en) * | 2016-11-11 | 2017-03-22 | 遵义师范学院 | Preparation method and application of dual signal electrochemical sensor for detecting aminopyrene |
| CN108529608A (en) * | 2018-07-01 | 2018-09-14 | 曲靖师范学院 | A method of high-quality graphene nanometer sheet is prepared by carbon nanotube |
| CN108529608B (en) * | 2018-07-01 | 2021-10-08 | 曲靖师范学院 | Method for preparing high-quality graphene nanosheets from carbon nanotubes |
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Application publication date: 20120725 |