CN105331999B - The preparation method of hollow plumbago alkene - Google Patents
The preparation method of hollow plumbago alkene Download PDFInfo
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- CN105331999B CN105331999B CN201510669819.1A CN201510669819A CN105331999B CN 105331999 B CN105331999 B CN 105331999B CN 201510669819 A CN201510669819 A CN 201510669819A CN 105331999 B CN105331999 B CN 105331999B
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- 239000010439 graphite Substances 0.000 title claims abstract description 61
- -1 plumbago alkene Chemical class 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 240000003936 Plumbago auriculata Species 0.000 title 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 74
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 59
- 241000209456 Plumbago Species 0.000 claims abstract description 52
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 22
- 239000001257 hydrogen Substances 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 238000002484 cyclic voltammetry Methods 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 230000001276 controlling effect Effects 0.000 claims abstract description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 19
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 150000002431 hydrogen Chemical class 0.000 claims description 14
- 229910052697 platinum Inorganic materials 0.000 claims description 14
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 claims description 11
- 238000012986 modification Methods 0.000 claims description 9
- 230000004048 modification Effects 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000872 buffer Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 150000001336 alkenes Chemical class 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 239000008055 phosphate buffer solution Substances 0.000 claims description 2
- 239000007853 buffer solution Substances 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002848 electrochemical method Methods 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000011017 operating method Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229940075397 calomel Drugs 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005118 spray pyrolysis Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 239000007762 w/o emulsion Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
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- 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
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Automation & Control Theory (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The present invention relates to a kind of preparation method of hollow plumbago alkene, it includes step and is：Graphene oxide is dispersed in cushioning liquid, the mixed liquor of graphene oxide is obtained；Cyclic voltammetry scan is carried out to the mixed liquor of graphene oxide using three-electrode system, until liberation of hydrogen, the electrode that the hollow plumbago alkene of size adjustable is modified is obtained by regulating and controlling scanning potential range or solution ph, i.e., obtains hollow plumbago alkene on the working electrode (s.The preparation method is simple to operate, environmental protection, the size adjustable of hollow plumbago alkene.
Description
Technical field
The present invention relates to the method for preparing graphene, particularly a kind of method for preparing hollow plumbago alkene.
Background technology
Graphene is a kind of two-dimentional carbon material, is the general designation of single-layer graphene, bilayer graphene and few layer graphene, due to
Its excellent electronics, machinery and thermal stability, in the side such as battery, ultracapacitor, electronic device, sensor and composite
The application in face has obtained the extensive concern of people.
Graphene oxide (graphene oxide) is that oxygen-containing functional group increases on the oxide of graphene, graphene oxide
Make its property more active than graphene more.
Hollow plumbago alkene is a kind of grapheme material of hollow structure, because it has the ratio surface bigger compared with graphene
Product, is conducive to load capacity and catalysis；Its hollow structure is favorably improved material mass transfer, and battery, super capacitor are rapidly become at present
Study hotspot in terms of device, electronic device, sensor and composite.
Preparing the method for hollow plumbago alkene at present mainly has：The side such as water-in-oil emulsion method, spray pyrolysis, template sacrifice method
Method, but the operation of these methods is more complicated, and condition is difficult to be precisely controlled.
The content of the invention
Based on this, a kind of environmental protection of present invention offer, size adjustable, simple to operate, step are few, quick, inexpensive
The method for preparing hollow plumbago alkene.
The preparation method of hollow plumbago alkene of the present invention, including step：
Graphene oxide is dispersed in cushioning liquid, the mixed liquor of graphene oxide is obtained；
Using first electrode as working electrode, circulation volt is carried out to the mixed liquor of the graphene oxide using three-electrode system
Peace scanning, until liberation of hydrogen, obtains the electrode that hollow plumbago alkene is modified, i.e., in work by regulating and controlling scanning potential range or solution ph
Make to obtain hollow plumbago alkene on electrode.
The preparation method of above-mentioned hollow plumbago alkene, makes graphene oxide be reduced to graphene, simultaneously using electrochemical method
The bubble hydrogen produced by real-time live electrolysis water in situ obtains hollow plumbago alkene for template, by regulate and control scanning potential range or
Solution ph is to regulate and control the size of bubble hydrogen so as to reaching the purpose of hollow regulating graphene size, the preparation method
Operating procedure is simple, environmental protection, and obtained hollow plumbago alkene specific surface area is big, and activity is high.
Wherein, the cushioning liquid is hac buffer, phosphate buffer solution, Britton-Robison cushioning liquid
In any one.
Wherein, the first electrode is gold electrode, platinum electrode, glass-carbon electrode, graphite electrode, carbon fiber electrode, carbon cloth electricity
Any one in pole and carbon paste electrode.
Wherein, it is described using first electrode as working electrode, using mixed liquor of the three-electrode system to the graphene oxide
Cyclic voltammetry scan is carried out, until liberation of hydrogen, obtains what hollow plumbago alkene was modified by regulating and controlling scanning potential range or solution ph
Electrode is concretely comprised the following steps：
Be platinum plate electrode using first electrode as working electrode, to electrode, reference electrode be saturated calomel electrode, be placed in described
Cyclic voltammetry scan is carried out in the mixed liquor of graphene oxide, until liberation of hydrogen, by regulating and controlling scanning potential range or solution ph
Obtain the hollow plumbago alkene modified electrode.
Wherein, it is described using first electrode as working electrode, using mixed liquor of the three-electrode system to the graphene oxide
Cyclic voltammetry scan is carried out, until liberation of hydrogen, hollow plumbago alkene modification electricity is obtained by regulating and controlling scanning potential range or solution ph
Pole is concretely comprised the following steps：
The mixed liquor of the graphene oxide is added drop-wise in the first electrode, dry, then using the first electrode as
Working electrode, it is that platinum plate electrode, reference electrode are saturated calomel electrode to electrode, is placed in blank cushioning liquid（PH value is 2-6）
Middle carry out cyclic voltammetry scan, until liberation of hydrogen, the hollow plumbago alkene is obtained by regulating and controlling scanning potential range or solution ph
Modified electrode.
Wherein, it is described using first electrode as working electrode, using mixed liquor of the three-electrode system to the graphene oxide
It is 0 V to -10.0- to carry out the scanning current potential of cyclic voltammetry scan（-1.5）V, sweep speed is 10-500mV/s.
The preparation method of above-mentioned hollow plumbago alkene, makes graphene oxide be reduced to graphene, simultaneously using electrochemical method
The bubble hydrogen produced by real-time live electrolysis water in situ obtains hollow plumbago alkene for template, by regulate and control scanning potential range or
Solution ph regulates and controls the size of bubble hydrogen, so as to reach the purpose of hollow regulating graphene size, the preparation side
Method operating procedure is simple, environmental protection, and obtained hollow plumbago alkene specific surface area is big, and activity is high.
Brief description of the drawings
Fig. 1 is the step schematic diagram of the preparation method of the hollow plumbago alkene of an embodiment；
Fig. 2 is the scanning electron microscope (SEM) photograph of hollow plumbago alkene made from embodiment 1.
Embodiment
For the ease of understanding the present invention, the present invention is more fully retouched below with reference to related embodiment and accompanying drawing
State.It shown below is the preferred embodiment of the present invention.But, the present invention can be realized in many different forms, not
It is limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is to make the reason to the disclosure
Solution is more thorough comprehensive.
Reference picture 1, the present invention is a kind of preparation method of hollow plumbago alkene, including：
Step S100：Graphene oxide is dispersed in cushioning liquid, the mixed liquor of graphene oxide is obtained.
In one of the embodiments, step S100 is specially：Graphene oxide is dispersed in cushioning liquid, stone is aoxidized
Concentration of the black alkene in cushioning liquid is 1mg/mL, obtains the mixed liquor of graphene oxide.
In one of the embodiments, the pH value of cushioning liquid is 2-6.
In one of the embodiments, graphene oxide is prepared using Hummers methods, and Hummers methods prepare graphite oxide
Alkene is classical way, the graphene oxide reliable in quality of preparation.
Step S200：Using first electrode as working electrode, the mixed liquor of graphene oxide is carried out using three-electrode system
Cyclic voltammetry scan, until liberation of hydrogen, the electrode that hollow plumbago alkene is modified is obtained by regulating and controlling scanning potential range or solution ph.
Step S200 is in cyclic voltammetry scan, and scanning current potential reaches the reduction potential of graphene oxide, and reaches liberation of hydrogen
Current potential, then repeatedly cyclic voltammetry scan obtains the modified electrode of hollow plumbago alkene.
In one of the embodiments, first electrode is gold electrode, platinum electrode, glass-carbon electrode, graphite electrode, carbon fiber electrically
Any one in pole, carbon cloth electrode and carbon paste electrode.
It is preferred that, first electrode is glass-carbon electrode.In one of the embodiments, glass-carbon electrode is used into oxygen on polishing cloth
Change aluminium powder to be polished, cleaned successively with absolute ethyl alcohol and water in ultrasonic cleaner standby.
In one of the embodiments, step S200 is concretely comprised the following steps：It is using first electrode as working electrode, to electrode
Platinum plate electrode, reference electrode are saturated calomel electrode, are placed in the mixed liquor of graphene oxide and carry out cyclic voltammetry scan, until
Liberation of hydrogen, the electrode that hollow plumbago alkene is modified is obtained by regulating and controlling scanning potential range or solution ph.
Wherein, in one of the embodiments, the electrolyte solution in step S200 is hac buffer.It is preferred that vinegar
The concentration of acid buffering solution is 0.1mol/L.
In another embodiment, step S200 is concretely comprised the following steps：The mixed liquor of graphene oxide is added drop-wise to first
On electrode, dry, then using first electrode as working electrode, to electrode be platinum plate electrode, reference electrode be saturated calomel electrode, put
In 0.1 mol/L blank hac buffers（PH value is 2-6）Middle carry out cyclic voltammetry scan, until liberation of hydrogen, is swept by regulation and control
Retouch potential range or solution ph obtains the electrode of hollow plumbago alkene modification.
In one of the embodiments, using first electrode as working electrode, using three-electrode system to graphene oxide
It is 0 V to -10.0- that mixed liquor, which carries out the scanning current potential of cyclic voltammetry scan,（-1.5）V, sweep speed is 10-500mV/s.It is excellent
Choosing, sweep speed is 50mV/s.
The preparation method of above-mentioned hollow plumbago alkene, makes graphene oxide be reduced to graphene, simultaneously using electrochemical method
The bubble hydrogen produced by real-time live electrolysis water in situ obtains hollow plumbago alkene for template, by regulate and control scanning potential range or
Solution ph is to regulate and control the size of bubble hydrogen so as to reaching the purpose of hollow regulating graphene size, the preparation method
Operating procedure is simple, environmental protection, and obtained hollow plumbago alkene specific surface area is big, and activity is high.
It is specific embodiment below：
Embodiment 1
Graphene oxide is dispersed in the hac buffer that pH value is 4, graphene oxide is slow in 0.1mol/L acetic acid
The concentration rushed in solution is 1mg/mL, obtains graphene oxide liquid mixture.
Be platinum plate electrode using glass-carbon electrode as working electrode, to electrode, reference electrode be saturated calomel electrode, be placed in gained
Cyclic voltammetry scan is carried out in graphene oxide liquid mixture, scanning current potential is 0 V to -4.0 V, and sweep speed is 50mV/s, is obtained
The electrode modified to hollow plumbago alkene, i.e., obtain hollow plumbago alkene on the working electrode (s.
Embodiment 2
The difference of embodiment 2 and embodiment 1 is that the concentration of graphene oxide is 2 mg/mL, use
The pH value of Britton-Robison cushioning liquid is 2, using graphite electrode as working electrode, to electrode is platinum plate electrode, reference electricity
Extremely saturated calomel electrode, is placed in gained graphene oxide liquid mixture and carries out cyclic voltammetry scan, scanning current potential be 0 V to-
3.0 V, sweep speed is 50mV/s, obtains the electrode of hollow plumbago alkene modification, i.e., obtains hollow plumbago alkene on the working electrode (s.
Embodiment 3
The difference of embodiment 3 and embodiment 1 is that the concentration of graphene is 0.5 mg/mL, the Britton- of use
The pH value of Robison cushioning liquid is 4, using carbon cloth electrode as working electrode, to electrode be platinum plate electrode, reference electrode be saturation
Calomel electrode, is placed in gained graphene oxide liquid mixture and carries out cyclic voltammetry scan, and scanning current potential is 0 V to -6.0 V, is swept
Speed is retouched for 50mV/s, the electrode of hollow plumbago alkene modification is obtained, i.e., obtains hollow plumbago alkene on the working electrode (s.
Embodiment 4
The difference of embodiment 4 and embodiment 1 is using glass-carbon electrode as working electrode, by graphene oxide liquid mixture
It is scattered to be added drop-wise on glass-carbon electrode, dry, then using glass-carbon electrode as working electrode, to electrode be platinum plate electrode, reference electrode be
Saturated calomel electrode, is placed in the blank Britton-Robison cushioning liquid that 0.1mol/L pH value is 3 and carries out cyclic voltammetric
Scanning, scanning current potential is 0 V to -6.0 V, and sweep speed is 50mV/s, obtains the electrode of hollow plumbago alkene modification, i.e., in work
Hollow plumbago alkene is obtained on electrode.
Embodiment 5
The difference of embodiment 5 and embodiment 1 is using graphite electrode as working electrode, by graphene oxide liquid mixture
It is scattered to be added drop-wise on graphite electrode, dry, then using graphite electrode as working electrode, to electrode be platinum plate electrode, reference electrode be
Saturated calomel electrode, is placed in the blank Britton-Robison cushioning liquid that 0.1mol/L pH value is 2 and carries out cyclic voltammetric
Scanning, scanning current potential is 0 V to -5.0 V, and sweep speed is 50mV/s, obtains the electrode of hollow plumbago alkene modification, i.e., in work
Hollow plumbago alkene is obtained on electrode.
The hollow plumbago alkene that embodiment 1 is obtained makees sem test, obtains scanning electron microscope (SEM) photograph as shown in Figure 2.By Fig. 2
Understand, the specific surface area of gained hollow plumbago alkene is big.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (4)
1. a kind of preparation method of hollow plumbago alkene, it is characterised in that be including step：
Graphene oxide is dispersed in into hac buffer, phosphate buffer solution, Britton-Robison that pH value is 2-6 to delay
Rush in any one in solution, obtain the mixed liquor of graphene oxide；
Using first electrode as working electrode, cyclic voltammetric is carried out to the mixed liquor of the graphene oxide using three-electrode system and swept
Retouch, until liberation of hydrogen, by regulating and controlling scanning potential range or solution ph, hollow stone is obtained using the template action of the raw bubble hydrogen of electricity
The electrode of black alkene modification, i.e., obtain hollow plumbago alkene on the working electrode (s.
2. the preparation method of hollow plumbago alkene according to claim 1, it is characterised in that the first electrode is gold electricity
Any one in pole, platinum electrode, glass-carbon electrode, graphite electrode, carbon fiber electrode, carbon cloth electrode and carbon paste electrode.
3. the preparation method of hollow plumbago alkene according to claim 1, it is characterised in that described using first electrode as work
Electrode, carries out cyclic voltammetry scan to the mixed liquor of the graphene oxide using three-electrode system, until liberation of hydrogen, passes through regulation and control
Scanning potential range or solution ph obtain concretely comprising the following steps for the electrode of hollow plumbago alkene modification：
Be platinum plate electrode using first electrode as working electrode, to electrode, reference electrode be saturated calomel electrode, be placed in the oxidation
Cyclic voltammetry scan is carried out in the mixed liquor of graphene, until liberation of hydrogen, is obtained by regulating and controlling scanning potential range or solution ph
The hollow plumbago alkene modified electrode.
4. the preparation method of hollow plumbago alkene according to claim 1, it is characterised in that described using first electrode as work
Electrode, carries out cyclic voltammetry scan to the mixed liquor of the graphene oxide using three-electrode system, until liberation of hydrogen, passes through regulation and control
Scanning potential range or solution ph obtain concretely comprising the following steps for hollow plumbago alkene modified electrode：
The mixed liquor of the graphene oxide is added drop-wise in the first electrode, dried, then using the first electrode as work
Electrode, it is that platinum plate electrode, reference electrode are saturated calomel electrode to electrode, is placed in the blank cushioning liquid that pH value is 2-6
Row cyclic voltammetry scan, until liberation of hydrogen, the hollow stone is obtained by regulating and controlling scanning potential range or blank pH value of buffer solution
Black alkene modified electrode.
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| CN104876219A (en) * | 2015-06-19 | 2015-09-02 | 湖南农业大学 | Method for synthesizing oxidized graphene simply and conveniently at normal temperature |
| CN104947134A (en) * | 2015-07-13 | 2015-09-30 | 湖南农业大学 | Preparation method of porous graphene |
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