CN107416817A - The grapheme modified preparation method of hematein - Google Patents
The grapheme modified preparation method of hematein Download PDFInfo
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- CN107416817A CN107416817A CN201710792253.0A CN201710792253A CN107416817A CN 107416817 A CN107416817 A CN 107416817A CN 201710792253 A CN201710792253 A CN 201710792253A CN 107416817 A CN107416817 A CN 107416817A
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- graphene
- hematein
- haematine
- graphene oxide
- modification
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- HLUCICHZHWJHLL-UHFFFAOYSA-N hematein Chemical compound C12=CC=C(O)C(O)=C2OCC2(O)C1=C1C=C(O)C(=O)C=C1C2 HLUCICHZHWJHLL-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 69
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 67
- 230000004048 modification Effects 0.000 claims abstract description 23
- 238000012986 modification Methods 0.000 claims abstract description 23
- 239000012670 alkaline solution Substances 0.000 claims abstract description 13
- 239000006185 dispersion Substances 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 239000000243 solution Substances 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000003638 chemical reducing agent Substances 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000003381 stabilizer Substances 0.000 abstract description 2
- 239000007864 aqueous solution Substances 0.000 description 13
- 239000003643 water by type Substances 0.000 description 12
- 238000003756 stirring Methods 0.000 description 11
- 206010013786 Dry skin Diseases 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 239000008188 pellet Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 230000009102 absorption Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 238000004847 absorption spectroscopy Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- WZUVPPKBWHMQCE-XJKSGUPXSA-N (+)-haematoxylin Chemical compound C12=CC(O)=C(O)C=C2C[C@]2(O)[C@H]1C1=CC=C(O)C(O)=C1OC2 WZUVPPKBWHMQCE-XJKSGUPXSA-N 0.000 description 1
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- -1 Graphite alkene Chemical class 0.000 description 1
- WZUVPPKBWHMQCE-UHFFFAOYSA-N Haematoxylin Natural products C12=CC(O)=C(O)C=C2CC2(O)C1C1=CC=C(O)C(O)=C1OC2 WZUVPPKBWHMQCE-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005285 chemical preparation method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/36—Nanostructures, e.g. nanofibres, nanotubes or fullerenes
-
- 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
- C01B2204/22—Electronic properties
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
-
- C—CHEMISTRY; METALLURGY
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The present invention relates to a kind of grapheme modified preparation method of hematein, it is to add in alkaline solution to be well mixed in graphene oxide dispersion, then haematine is added, is fully reacted at 20 100 DEG C, the graphene of hematein modification is obtained through centrifuging, washing.Still can be with stable dispersion in aqueous as reducing agent, graphene using haematine, it is not necessary to the addition of other stabilizers, it is shown that water-soluble well, its preparation method has the advantages of simple, efficient, inexpensive and environment-friendly.Prepared graphene can be used to develop ultracapacitor and graphene film.
Description
Technical field
The present invention relates to a kind of preparation method of non-covalent functionalization graphene, specifically a kind of hematein modification
The preparation method of graphene.
Background technology
Excellent electricity, calorifics and mechanical property possessed by graphene, make graphene in NEW TYPE OF COMPOSITE energy storage material, the sun
Energy battery and ultracapacitor etc. have potential prospect, are expected to apply to integrated circuit, Transparence Display touch-screen, transparent electricity
The field such as pole and electronic product radiating piece.And the preparation of all kinds of graphene composite materials has become restriction graphene in each field
One key factor of important application.At present, main preparation method includes physics and chemical two major classes, and wherein physical mechanical is shelled
Single crystal graphene film can be obtained from method, but size is difficult to control；Graphene prepared by vapour deposition process has good
Crystalline structure, but preparation method is too harsh, is unfavorable for preparing on a large scale；And chemical preparation method has that yield is high, method is simple,
The advantages of cost is low and can be mass-produced, the common method of graphene preparation has been increasingly becoming it.However, preparing graphene
During, it usually needs graphene oxide is reduced to by reduced graphene using suitable reducing agent.It has been reported that reduction
Agent such as hydrazine hydrate, NaBH4, p-phenylenediamine, sulfur-containing compound etc. all show extremely strong toxicity, easily explode, limit
The large-scale production of graphene.Further, since graphene oxide oxy radical after electronation is largely reduced, it will usually is caused
Serious agglomeration occurs for graphene, is also unfavorable for further applying, at present it has been reported that restoring method it is more by adding
Enter surfactant, polymer, large biological molecule or carry out surface covalent modification to avoid the generation of this phenomenon, these are extra
The use of biochemical reagents also causes serious harm to environment.Therefore, develop simple, efficient, inexpensive and environment-friendly
Method and reducing agent be still graphene prepare key technology.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of grapheme modified preparation method of hematein.
To solve above technical problem, the technical solution adopted by the present invention is：A kind of hematein is grapheme modified
Preparation method, alkaline solution is added in graphene oxide dispersion, be well mixed, haematine then added, at 20-100 DEG C
Lower fully reaction, the graphene of hematein modification is obtained through centrifuging, washing.
Further, add graphene oxide into redistilled water, ultrasound makes graphene oxide dispersed, obtains
Described graphene oxide dispersion.
Further, the one kind of the alkaline solution in NaOH solution and ammonia solution.
Further, the concentration of the alkaline solution is 0.1 ~ 10 mol/L.
Further, the volume ratio of alkaline solution and graphene oxide dispersion is 1：（10 -200）.
Further, the mass ratio of haematine and graphene oxide is（1 -50 ）: 1.
Further, fully reacted at 20-90 DEG C after adding haematine.
Further, fully reaction at room temperature after haematine is added.
The present invention still can be with stable dispersion in aqueous as reducing agent, graphene using haematine, it is not necessary to other
The addition of stabilizer, it is shown that water-soluble well.Its preparation method has simple, efficient, inexpensive and environment-friendly
Advantage.Prepared graphene can be used to develop ultracapacitor and graphene film.
Brief description of the drawings
Fig. 1 is the ultraviolet-visible absorption spectroscopy figure of the product of embodiment 1.
Fig. 2 is the transmission electron microscope photo of the product of embodiment 1.
Embodiment
A kind of typical embodiment of the present invention provides hematein grapheme modified preparation method, in graphite oxide
Add in alkaline solution and be well mixed in alkene dispersion liquid, then add haematine, fully reacted at 20-100 DEG C, through centrifuging,
Washing obtains the graphene of hematein modification.
Haematine, also known as haematoxylin, it is a kind of colourless or light lark powder, it is soluble in ethanol, ethylene glycol and glycerine,
It is slightly soluble in water.Nucleus dyestuff is generally being used as after peroxidating and mordant dyeing, there has been no relevant report for grapheme modified.
In the case of in the absence of any surfactant, polymer, large biological molecule or progress surface covalent modification, warp
Serious agglomeration occurs in the graphene of the reducing agents such as hydrazine hydrate reduction gained.Any surface-active is being added without in present embodiment
In the case of agent, polymer, large biological molecule or progress surface covalent modification, using haematine as reducing agent, obtained oxygen
The graphene for changing haematine modification still can be with stable dispersion in aqueous, even if after placing two weeks also without the obvious group of generation
It is poly-, good water solubility is not only show, and preparation process is green, is advantageous to the batch production of graphene, also reduces
Environmental pollution.
In addition, the graphene of freshly prepd hematein modification can also be dispersed in dimethylformamide, dimethyl Asia
In sulfone, acetonitrile and ethanol, the dissolubility that has shown.
In specific preparation process, while graphene oxide is reduced, haematine is also oxidized to hematein, point
A phenyl ring in son is converted to quinoid phenyl ring, increases pi bond delocalization characteristic, and this is not only contributed to and plane graphene-structured
Pi-pi accumulation is formed, effectively improves the interlamellar spacing and dissolubility of graphene, while makes the graphite of obtained hematein modification
Alkene is provided with the electronic media effect of dyestuff, may obtain more preferable electron transmission performance, be expected to be used for electro-catalysis field.
It is to add graphene oxide into redistilled water, ultrasound makes oxygen in a kind of relative specific embodiment
Graphite alkene is dispersed, obtains described graphene oxide dispersion.
In a preferred embodiment, the one kind of the alkaline solution in NaOH solution and ammonia solution.
In a preferred embodiment, the concentration of the alkaline solution is 0.1 ~ 10 mol/L.
In a preferred embodiment, the volume ratio of alkaline solution and graphene oxide dispersion is 1：（10 -200）.
In the range of this, the volume ratio can be further 1：（10 -20）、1：（10 -50）、1：（10 -80）、1：（10 -100）、
1：（10 -120）、1：（10 -150）.
In a preferred embodiment, the mass ratio of haematine and graphene oxide is（1 -50 ）:1, the mass ratio
Can be further（1 -40 ）: 1、（1 -30 ）: 1、（1 -20 ）: 1、（1 -10 ）: 1、（1 -5 ）: 1、（1 -
2）: 1.
In a preferred embodiment, fully reacted at 20-90 DEG C after adding haematine.
In a preferred embodiment, fully reaction at room temperature after haematine is added, reaction condition is gentle, in the present invention
Described room temperature is defined as 25 ± 5 DEG C.
Claimed technical scheme and its technique effect are elaborated with the following Examples.
Embodiment 1
Weigh the GO of 50 mg dryings（Graphene oxide）Ultrasonic disperse 2 hours in 100 mL ultra-pure waters are added to, are obtained homogeneous
Concentration is the 0.5 mg/mL GO aqueous solution.30 mL ultra-pure waters are taken in 100 mL reaction bulbs, it is 0.5 to add 30 mL concentration
The mg/mL GO aqueous solution, stirring are allowed to well mixed, then sequentially add the mol/L NaOH solutions of 1 mL 1 and 60 mg Soviet Unions
Another name for, stirring reaction 2 hours, produce the graphene solution that the hematein of black is modified at room temperature.By above-mentioned solution centrifugal
（10000 rpm/s）, washing three times, gained pellet frozen dry two days, produce hematein modification graphene, divide again
It is dispersed in the graphene aqueous solution that hematein modification is obtained in water.Fig. 1 shows ultraviolet-visible absorption spectroscopy figure, π at 230 nm-
The disappearance at n- π * transition absorptions peak at π * transition absorptions peaks and 300 nm, the appearance of graphene characteristic absorption peak, says at 257 nm
Bright graphene oxide has been fully converted to graphene.Fig. 2 shows corresponding transmission electron microscope photo, shows obvious individual layer knot
Structure.
Embodiment 2
The GO for weighing 25 mg dryings is added to ultrasonic disperse 2 hours in 25 mL ultra-pure waters, and it is 1 mg/mL to obtain homogeneous concentration
The GO aqueous solution.10 mL ultra-pure waters are taken in 100 mL reaction bulbs, the GO aqueous solution that 25 mL concentration are 1 mg/mL is added, stirs
Mix and be allowed to well mixed, then sequentially add the mol/L NaOH solutions of 2 mL 1 and 150 mg haematines, stirring reaction at 60 DEG C
1 hour, produce the graphene solution of the hematein modification of black.By above-mentioned solution centrifugal（10000 rpm/s）, washing three
Secondary, gained pellet frozen is dried two days, produces the graphene of dry hematein modification.Again gained is dispersed in water to obtain
The graphene aqueous solution of hematein modification can be stabilized more than January.
Embodiment 3
The GO for weighing 50 mg dryings is added to ultrasonic disperse 3 hours in 25 mL ultra-pure waters, and it is 2 mg/mL to obtain homogeneous concentration
The GO aqueous solution.20 mL ultra-pure waters are taken in 100 mL reaction bulbs, the GO aqueous solution that 20 mL concentration are 2 mg/mL is added, stirs
Mix and be allowed to well mixed, then sequentially add the mol/L NaOH solutions of 3 mL 1 and 200 mg haematines, at room temperature stirring reaction
2 hours, produce the graphene solution of the hematein modification of black.By above-mentioned solution centrifugal（10000 rpm/s）, washing three
Secondary, gained pellet frozen is dried two days, produces the graphene of dry hematein modification.
Embodiment 4
The GO for weighing 50 mg dryings is added to ultrasonic disperse 3 hours in 50mL ultra-pure waters, and it is 1mg/mL to obtain homogeneous concentration
The GO aqueous solution.10mL ultra-pure waters are taken in 100 mL reaction bulbs, add the GO aqueous solution that 10 mL concentration are 1mg/mL, stirring
It is allowed to well mixed, then sequentially adds 2mL 0.1mol/L NaOH solutions and 10 mg haematines, stirring reaction 2 is small at 20 DEG C
When, produce the graphene solution that the hematein of black is modified.By above-mentioned solution centrifugal（10000 rpm/s）, washing three times,
Gained pellet frozen is dried two days, produces the graphene of dry hematein modification.
Embodiment 5
The GO for weighing 50 mg dryings is added to ultrasonic disperse 3 hours in 500mL ultra-pure waters, and it is 0.1mg/ to obtain homogeneous concentration
The mL GO aqueous solution.100mL ultra-pure waters are taken in 500 mL reaction bulbs, it is water-soluble to add the GO that 100 mL concentration are 0.1mg/mL
Liquid, stirring are allowed to well mixed, then sequentially add 1mL 10mol/L NaOH solutions and 500mg haematines, stirred at 100 DEG C
Half an hour is reacted, produces the graphene solution of the hematein modification of black.By above-mentioned solution centrifugal（10000 rpm/s）、
Three times, gained pellet frozen is dried two days for washing, produces the graphene of dry hematein modification.
Embodiment 6
The GO for weighing 50mg dryings is added to ultrasonic disperse 3 hours in 100mL ultra-pure waters, and it is 0.5mg/mL to obtain homogeneous concentration
The GO aqueous solution.80mL ultra-pure waters are taken in 200 mL reaction bulbs, the GO aqueous solution that 20 mL concentration are 0.5mg/mL is added, stirs
Mix and be allowed to well mixed, then sequentially add 1mL 5mol/L NaOH solutions and 200 mg haematines, stirring reaction 1 at 90 DEG C
Hour, produce the graphene solution that the hematein of black is modified.By above-mentioned solution centrifugal（10000 rpm/s）, washing three
Secondary, gained pellet frozen is dried two days, produces the graphene of dry hematein modification.
The scope of protection of present invention is not limited to above embodiment, to those skilled in the art, this
Invention can have a various deformation and change, all designs in the present invention with made within principle any modification, improvement and be equal
Replacing should all be included within protection scope of the present invention.
Claims (8)
- A kind of 1. grapheme modified preparation method of hematein, it is characterised in that：Added in graphene oxide dispersion It is well mixed in alkaline solution, then adds haematine, fully reacted at 20-100 DEG C, oxidation Soviet Union is obtained through centrifuging, washing The graphene of another name for modification.
- 2. according to the method for claim 1, it is characterised in that：Add graphene oxide into redistilled water, ultrasound Make graphene oxide dispersed, obtain described graphene oxide dispersion.
- 3. method according to claim 1 or 2, it is characterised in that：The alkaline solution is selected from NaOH solution and ammonia solution In one kind.
- 4. according to the method for claim 3, it is characterised in that：The concentration of the alkaline solution is 0.1 ~ 10 mol/L.
- 5. according to the method for claim 4, it is characterised in that：The volume ratio of alkaline solution and graphene oxide dispersion is 1：（10 -200）.
- 6. the method according to claim 4 or 5, it is characterised in that：The mass ratio of haematine and graphene oxide is（1 - 50 ）: 1.
- 7. according to the method for claim 1, it is characterised in that：Fully reacted at 20-90 DEG C after adding haematine.
- 8. according to the method for claim 1, it is characterised in that：Add fully reaction at room temperature after haematine.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215727A (en) * | 2014-09-25 | 2014-12-17 | 深圳粤网节能技术服务有限公司 | Graphene material based disperse and quick solid-phase extraction method |
| CN104977194A (en) * | 2014-04-10 | 2015-10-14 | 北京雷根生物技术有限公司 | Method of accelerating sample treatment with addition of graphene |
| CN106290513A (en) * | 2016-09-10 | 2017-01-04 | 上海大学 | Utilize the method that Graphene is combined the glass-carbon electrode mensuration ciprofloxacin that hematoxylin is modified |
-
2017
- 2017-09-05 CN CN201710792253.0A patent/CN107416817B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104977194A (en) * | 2014-04-10 | 2015-10-14 | 北京雷根生物技术有限公司 | Method of accelerating sample treatment with addition of graphene |
| CN104215727A (en) * | 2014-09-25 | 2014-12-17 | 深圳粤网节能技术服务有限公司 | Graphene material based disperse and quick solid-phase extraction method |
| CN106290513A (en) * | 2016-09-10 | 2017-01-04 | 上海大学 | Utilize the method that Graphene is combined the glass-carbon electrode mensuration ciprofloxacin that hematoxylin is modified |
Non-Patent Citations (1)
| Title |
|---|
| YUETING WU ET AL.: "A low detection limit penicillin biosensor based on single graphene nanosheets preadsorbed with hematein/ionic liquids/penicillinase", 《MATERIALS SCIENCE AND ENGINEERING C》 * |
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