CN108910864A - A kind of graphene-based photoelectric conversion device and its preparation method and application - Google Patents
A kind of graphene-based photoelectric conversion device and its preparation method and application Download PDFInfo
- Publication number
- CN108910864A CN108910864A CN201810792006.5A CN201810792006A CN108910864A CN 108910864 A CN108910864 A CN 108910864A CN 201810792006 A CN201810792006 A CN 201810792006A CN 108910864 A CN108910864 A CN 108910864A
- Authority
- CN
- China
- Prior art keywords
- graphene
- photoelectric conversion
- preparation
- conversion device
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/04—Electrolytic coating other than with metals with inorganic materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Nanotechnology (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The present invention provides a kind of graphene-based photoelectric conversion devices and its preparation method and application.The present invention is initial feed using carbon fiber, logical peracid treatment obtains graphene oxide solution, graphene oxide is deposited on carbon cloth by electrochemical deposition again, graphene oxide is reduced to graphene finally by hydrogen reducing, to obtain graphene-based photoelectric conversion device.Graphene-based photoelectric conversion device photoelectric conversion performance provided by the invention is good, electric energy can be converted by the energy that solar energy evaporates solution, and can constantly exported outward, and conversion process can occur in a natural environment, the input of additional energy is not needed, energy utilization rate is high.
Description
Technical field
The present invention relates to the technical field of composite material, in particular to a kind of graphene-based photoelectric conversion device and its preparation
Methods and applications.
Background technique
Modern society, due to population increase, energy crisis and problem of environmental pollution are on the rise, and solar energy is as a kind of
The reproducible energy more and more receives the concern of researcher, because of a kind of high efficiency of the invention, low cost, multi-functional
Energy source conversion system be indispensable.Wherein electric energy is a kind of up-and-coming side for meeting ever-increasing energy demand
Method.Therefore, scientists are continuing effort to develop various energy conversion systems, it is desirable to by these energy be converted into electric energy so as to
In use, such as solar battery, hydroelectric generator etc..In these energy collection systems, water evaporation induction electricity production is close several
The method of the very promising solution energy problem of the one kind to grow up in year.
Currently, the material of the water evaporation induction electric energy production of report mainly has a metal carbon nanotube, semiconductor carbon nanometer tube,
The meta system that the nano materials such as graphene oxide and these substances are assembled, but the expensive and preparation work of these materials
Skill is complicated, unstable, largely limits their practical application.In addition, the inorganic nanos such as graphene oxide membrane, carbon film
Material also has the performance of excellent water evaporation induction electric energy production, but most of these materials are all applied as upper layer of material
Water itself will consume substantial portion of electric energy in the conversion system of water evaporation induction electric energy production, this system, as a result will
Cause quite a few unnecessary energy loss.In addition, there are also the report for being assembled into macroscopic body by inorganic nano-particle,
But these macroscopic materials preparation process is complicated, and the electric energy externally exported is smaller.
Summary of the invention
In view of this, the stone that it is an object of that present invention to provide a kind of preparation methods is simple, at low cost, photoelectric conversion performance is good
Mertenyl photoelectric conversion device.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical scheme：
A kind of preparation method of graphene-based photoelectric conversion device, includes the following steps：
It is diluted after carbon fiber is carried out sour processing, obtains graphene oxide solution；It is described acid processing with acid include nitric acid and
Sulfuric acid；
Hydrophily carbon cloth is immersed in the graphene oxide solution and carries out electrochemical deposition, obtains graphene oxide-carbon
Cloth composite material；
The graphene oxide-carbon cloth composite material is subjected to hydrogen reducing, obtains graphene-based photoelectric conversion device.
Preferably, the mass concentration of the nitric acid is 65~68%；The mass concentration of the sulfuric acid is 95~98%；It is described
The mass ratio of sulfuric acid and nitric acid is 40~50:7~15.
Preferably, the mass ratio of the sulfuric acid and carbon fiber is 40~50:1；
The mass ratio of the nitric acid and carbon fiber is 7~15:1.
Preferably, the temperature of the acid processing is 100~140 DEG C；The time of the acid processing is 2~11h.
Preferably, the concentration of the graphene oxide solution is 1.8~2.5mg/mL, and pH value is 2~5.
Preferably, the electrochemical deposition is constant voltage deposition；The deposition voltage of the electrochemical deposition is 5~8V；Institute
The sedimentation time for stating electrochemical deposition is 6~12h.
Preferably, the temperature of the hydrogen reducing be 200~400 DEG C, the time be 1.5~3h, hydrogen flowing quantity be 50~
80mL/min。
The present invention provides preparation method described in above scheme preparation graphene-based photoelectric conversion device, including carbon cloth and
The graphene being attached on the carbon cloth.
The present invention provides application of the graphene-based photoelectric conversion device in photoelectric conversion described in above scheme.
Preferably, the application includes the following steps：
The graphene-based photoelectric conversion device is placed in liquid, under illumination condition, the graphene-based light
Electrotransformation device evaporates induction power generation by liquid；
The liquid is water, inorganic salt solution, acid or alcohols solvent.
The present invention provides a kind of preparation methods of graphene-based photoelectric conversion device, include the following steps：By carbon fiber
It is diluted after carrying out sour processing, obtains graphene oxide solution；Hydrophily carbon cloth is immersed in the graphene oxide solution and is carried out
Electrochemical deposition obtains graphene oxide-carbon cloth composite material；The graphene oxide-carbon cloth composite material is subjected to hydrogen
Reduction, obtains graphene-based photoelectric conversion device.The present invention is initial feed using carbon fiber, and logical peracid treatment obtains oxidation stone
Black alkene solution, the surface of graphene oxide obtained after acid processing contains a large amount of oxygen-containing functional group (carboxyl and carbonyl), subsequent
Electrochemical deposition process in, the oxygen-containing functional group of surface of graphene oxide and the hydrophilic functional group of hydrophily carbon cloth surfaces
(hydroxyl and carboxyl) reacts to form the chemical bonds such as ester group, so that graphene oxide and carbon cloth are stably connected with, then leads to again
It crosses hydrogen reducing and graphene oxide is reduced to graphene, to obtain graphene-based photoelectric conversion device.It is provided by the invention
Preparation method step is simple, at low cost, is easy to be produced in enormous quantities.
The present invention provides preparation method described in above scheme preparation graphene-based photoelectric conversion device, including carbon cloth and
The graphene being attached on carbon cloth.Photoelectric conversion device provided by the invention is using carbon cloth as substrate, with excellent mechanically stable
Property and flexibility, it is easy to carry, and photoelectric conversion performance is good.Photoelectric conversion device provided by the invention, can under illumination condition
Induction power generation is evaporated by liquid, electric energy is converted by the energy of solar energy evaporated liquid substance and constantly exports outward.
And the process that solution evaporation induces electricity can occur in a natural environment, not need the input of additional energy, stone of the invention
Black alkene photoelectric conversion device directly can convert electric energy for environmental energy, and energy utilization rate is high, has broad application prospects.It is real
Apply example the result shows that, graphene-based photoelectric conversion device provided by the invention is in the NaCl solution of 0.5mol/L in 1kWm-2's
The electric energy generated under illumination condition is up to 0.37V.
Detailed description of the invention
Fig. 1 is the preparation flow schematic diagram of graphene-based photoelectric conversion device of the invention；
Fig. 2 is the XRD diagram of graphene, carbon cloth and graphene-based photoelectric conversion device in the embodiment of the present invention 1；
Fig. 3 is the SEM figure of the graphene of carbon cloth surfaces deposition in the embodiment of the present invention 1；
Fig. 4 is the SEM figure in the embodiment of the present invention 1 during graphene-based photoelectric conversion；
Fig. 5 is the infared spectrum of graphene, carbon cloth and graphene-based photoelectric conversion device in the embodiment of the present invention 1；
Fig. 6 is evaporated in sodium chloride solution for graphene-based photoelectric conversion device prepared by the embodiment of the present invention 1 and lures
Lead the test chart produced electricl energy；
Fig. 7 is the graphene-based photoelectric conversion device of the preparation of the embodiment of the present invention 1 in sodium chloride solution, hydrochloric acid and sodium sulphate
The test chart that induction produces electricl energy is evaporated in solution；
Fig. 8 is that graphene-based photoelectric conversion device prepared by the embodiment of the present invention 1 is evaporated in alcohol organic solvent
Induce the test chart produced electricl energy.
Specific embodiment
The present invention provides a kind of preparation methods of graphene-based photoelectric conversion device, include the following steps：
It is diluted after carbon fiber is carried out sour processing, obtains graphene oxide solution；It is described acid processing with acid include nitric acid and
Sulfuric acid；
Hydrophily carbon cloth is immersed in the graphene oxide solution and carries out electrochemical deposition, obtains graphene oxide-carbon
Cloth composite material；
The graphene oxide-carbon cloth composite material is subjected to hydrogen reducing, obtains graphene-based photoelectric conversion device.
The present invention dilutes after carbon fiber is carried out sour processing, obtains graphene oxide solution.In the present invention, the carbon fiber
Dimension is preferably the carbon fiber of secondary recovery, the use of the carbon fiber of secondary recovery is raw material, can further decrease preparation cost；This hair
The bright size to the carbon fiber does not require, and uses the carbon fiber of size known to those skilled in the art.
In the present invention, the acid processing acid includes nitric acid and sulfuric acid；The mass concentration of the nitric acid is preferably 65~
68%, more preferably 68%；The mass concentration of the sulfuric acid is preferably 95~98%, and more preferably 98%；The sulfuric acid and nitre
The mass ratio of acid is preferably 40~50:7~15, more preferably 43~48:8~12；The quality of the sulfuric acid and the matter of carbon fiber
Amount is than preferably 40~50:1, more preferably 43~48:1；The quality of the nitric acid and the mass ratio of carbon fiber be preferably 7~
15:1, more preferably 8~12:1.In the present invention, the temperature of the acid processing is preferably 100~140 DEG C, more preferably 110
~130 DEG C；The time of the acid processing is preferably 2~11h, more preferably 5~10h.
Carbon fiber is preferably immersed in the mixed acid of nitric acid and sulfuric acid by the present invention carries out sour processing.At acid of the invention
During reason, under the strong oxidation of mixed acid, oxidation reaction occurs for carbon fiber, and oxidation reaction contains carbon fiber surface introducing
Oxygen functional group carbonyl and carboxyl, so that carbon fiber be made to be changed into graphene oxide.
After the completion of acid processing, pickling agent is diluted by the present invention, obtains graphene oxide solution.In the present invention,
The dilution is preferably deionized water with diluent, and the deionized water and pickling agent mass ratio are preferably 7~12:1, it is more excellent
It is selected as 10:1.
In the present invention, the concentration of the graphene oxide solution is preferably 1.8~2.5mg/mL, more preferably 2.0~
2.2mg/mL；The pH value of the graphene oxide solution is preferably 2~5, and more preferably 3~4.In the present invention, acid processing institute
The acidity for obtaining pickling agent is larger, and graphene concentration is higher, and the present invention reduces acidity by dilution, and it is dense to obtain suitable graphene
Degree, in order to subsequent electrochemical deposition.
After obtaining graphene oxide solution, the present invention, which immerses hydrophily carbon cloth, carries out electricity in the graphene oxide solution
Chemical deposition obtains graphene oxide-carbon cloth composite material.In the present invention, the hydrophily carbon cloth is preferably by carbon fiber sheet
Or carbon fiber tape is prepared；The present invention does not have particular/special requirement to the source of the hydrophily carbon cloth, uses those skilled in the art
The hydrophily carbon cloth in the known source of member, such as commercially available hydrophily carbon cloth；The present invention does not have the size of the hydrophily carbon cloth
There is particular/special requirement, in a specific embodiment of the present invention, the size of hydrophily carbon cloth can be determined according to actual requirement.In the present invention
In, hydrophily carbon cloth surfaces contain a large amount of hydrophilic functional groups (hydroxyl, carboxyl etc.), provide for electrochemical deposition graphene oxide
Good condition.
In the present invention, the electrochemical deposition is preferably constant voltage deposition, and the deposition voltage of the electrochemical deposition is excellent
It is selected as 5~8V, more preferably 6~7V；The sedimentation time of the electrochemical deposition is preferably 6~12h, more preferably 8~10h.
Present invention preferably uses two blocks of hydrophily carbon cloths to be put into graphene oxide solution, make two blocks of carbon cloths respectively with electrification
The positive and negative anodes for learning work station connect, and in electrochemical deposition process, graphene oxide is deposited in the carbon cloth surfaces to connect with anode, oxygen
The oxygen-containing functional groups such as carboxyl and carbonyl are contained on graphite alkene surface, and relatives' property carbon cloth surfaces contain the hydrophilic groups such as hydroxyl and carboxyl
Group, the two in electrochemical deposition process by the dehydration generation groups such as ester group, thus make graphene oxide and carbon cloth into
The stable connection of row；In the present invention, there is the deposition of graphene oxide on two surfaces of carbon cloth.
After the completion of electrochemical deposition, the graphene oxide-carbon cloth composite material is carried out hydrogen reducing by the present invention, is obtained
Graphene-based photoelectric conversion device.In the present invention, the temperature of the hydrogen reducing is preferably 200~400 DEG C, more preferably
250~350 DEG C, the time of the hydrogen reducing is preferably 1.5~3h, more preferably 2~2.5h；The hydrogen of the hydrogen reducing
Flow is preferably 50~80mL/min, more preferably 60~70mL/min.
Graphene oxide-carbon cloth composite material is preferably placed directly in the tube furnace of hydrogen atmosphere and is gone back by the present invention
It is former；The graphene oxide of carbon cloth surfaces is reduced to graphene by hydrogen reducing by the present invention, to obtain graphene-based photoelectricity
Conversion devices.
The present invention provides preparation method described in above scheme preparation graphene-based photoelectric conversion device, including carbon cloth and
The graphene being attached on the carbon cloth.Photoelectric conversion device provided by the invention has good machinery using carbon cloth as substrate
Stability and flexibility directly can convert electric energy for environmental energy under illumination condition, and photoelectric conversion performance is good, using energy source
Rate is high.
The present invention provides application of the graphene-based photoelectric conversion device in photoelectric conversion described in above scheme.At this
In invention, the application preferably includes following steps：
The graphene-based photoelectric conversion device is placed in liquid, under illumination condition, the graphene-based light
Electrotransformation device evaporates induction power generation by liquid.
In the present invention, the liquid is preferably water, inorganic salt solution, acid or alcohols solvent；The inorganic salts are molten
Liquid is preferably sodium chloride solution and/or metabisulfite solution；The concentration of the inorganic salt solution is preferably 0.01~1mol/L, more excellent
It is selected as 0.5mol/L；The acid is preferably hydrochloric acid, and the concentration of the acid is preferably 0.01~1mol/L, more preferably 0.5mol/
L；The alcohols solvent is preferably one or more of ethylene glycol, ethyl alcohol, n-hexyl alcohol and polyethylene glycol, more preferably second two
Alcohol.
Graphene-based photoelectric conversion device is directly placed in above-mentioned liquid by the present invention, when carbon cloth surfaces
When the liquids such as graphene and water, inorganic salt solution and acid contact, since graphene Zate current potential is negative value, in solution just
Ion is moved to graphene surface since charge effect will be attracted by graphene, due to anion has negative Zate current potential will be by
Repel far from graphene, there will be electric energy endlessly to export outward in ion is moved through, such as NaCl shown in FIG. 1 molten
Liquid, Na+It is attracted to graphene surface and Cl-It will be ostracised far from graphene film；When liquid is alcohols solvent, carbon
The graphene on cloth surface can attract the hydrogen ion on the terminal hydroxy group of alcohols to bring it about certain offset, during deviation
Generate certain electric energy；In addition, graphene surface contains a large amount of carboxyl, during contacting with liquid, graphene
H on the carboxyl on surface+Ionization and displacement can occur, to produce electricl energy.
The present invention does not have particular/special requirement to the illumination condition, carries out illumination under field conditions (factors), the present invention is certainly
Photoelectric conversion can be realized under the conditions of so, the input of additional energy is not needed, to improve energy utilization rate.
Below with reference to embodiment to graphene-based photoelectric conversion device provided by the invention and its preparation method and application into
Row detailed description, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
Graphene oxide solution preparation：By the carbon fiber addition 60mL concentrated sulfuric acid of 2g secondary recovery and mixing for 20mL concentrated nitric acid
It closes in acid, then mixture is placed under the conditions of 100 DEG C and reacts 3h, obtains pickling agent, using deionized water by pickling agent
10 times of dilution obtains graphene oxide solution (pH value is 2~5).
Take graphene solution 200mL in beaker, then by two blocks of carbon cloths respectively with the positive and negative polarities of electrochemical workstation
Graphene oxide-carbon cloth composite material can be obtained in connection, the electro-deposition 10h under the voltage of 6V.
Graphene oxide-carbon cloth composite material is subjected to reduction treatment in the tube furnace of hydrogen atmosphere, obtains graphene
Base photoelectric conversion device, wherein reduction temperature is 200 DEG C, recovery time 2h, hydrogen flowing quantity 50ml/min.
The preparation flow schematic diagram of graphene-based photoelectric conversion device is as shown in Figure 1；
The graphene-based photoelectric conversion device of preparation is characterized：
(1) the graphene-based photoelectric conversion device for obtaining the carbon cloth not processed and the present embodiment carries out X-ray diffraction
Test, acquired results are as shown in Figure 2；According to fig. 2 as can be seen that the post-depositional carbon cloth angle of diffraction of graphene does not change substantially,
And diffraction peak intensity decreases, and is arranged in caused by carbon cloth this is because graphene is intensive.
(2) SEM test, acquired results such as Fig. 3~Fig. 4 are carried out to the graphene-based photoelectric conversion device that the present embodiment obtains
It is shown, the SEM figure of wherein Fig. 3 is scale bar when being 200nm graphene-based photoelectric conversion device, Fig. 4 is scale bar stone when being 1 μm
The SEM of mertenyl photoelectric conversion device schemes；From figure 3, it can be seen that the graphene on carbon cloth is typical layer structure；Fig. 4 is aobvious
Show densely arranged graphene on carbon cloth, this carbon cloth for being placed with graphene can preferably absorb solar energy, while more hold
Easily contact graphene with solution, thus the H on the-COOH of graphene surface+Ionization occurs and displacement produces electricl energy.
(3) carbon cloth, graphene and graphene-based photoelectric conversion device manufactured in the present embodiment that do not process are carried out red
External spectrum test, acquired results are as shown in Figure 5；According to Fig. 5 it can be seen that the carbon cloth after deposition graphene compares untreated carbon
Cloth is about in 1627cm-1And 1720cm-1There are two infrared flexible peak, this peaks to comply fully with the flexible peak of graphene here at place,
This result demonstrates graphene well and has been deposited on carbon cloth.
Photoelectric conversion performance test is carried out to the graphene-based photoelectric conversion device of preparation：
(1) control sodium chloride solution concentration be respectively 0.01mol/L, 0.1mol/L, 0.5mol/L, 0.6mol/L,
1.0mol/L, in 1kWm-2Illumination condition under be evaporated induction generate electric energy electro-chemical test, gained test result is such as
Shown in Fig. 6；According to Fig. 6 as can be seen that when the concentration of NaCl solution is 0.5mol/L, the electric energy that solution evaporation generates is the largest of about
For 0.4V, the electric energy for illustrating that photoelectric conversion device of the invention externally exports is larger, and photoelectric conversion performance is good.
(2) control sodium chloride solution, the concentration of hydrochloric acid and metabisulfite solution be respectively 0.01mol/L, 0.1mol/L,
0.5mol/L, 0.6mol/L, 1.0mol/L, in 1kWm-2Illumination condition under be evaporated induction generate electric energy electrochemistry
Test, test results are shown in figure 7 for gained；It can be seen from figure 7 that the trend that the electric energy that evaporation induction generates changes with concentration
It is reduced afterwards first to increase, and three kinds of solution all meet this rule.
(3) in 1kWm-2Illumination condition under test graphene-based photoelectric conversion device ethylene glycol, ethyl alcohol, n-hexyl alcohol and
Photoelectric conversion performance in polyethylene glycol, test results are shown in figure 8；According to Fig. 8 as can be seen that photoelectricity prepared by the present invention turns
Power generation can also be induced in alcohols solvent by changing device, and the electric energy that ethylene glycol evaporation induction generates is big compared with other organic solvents,
It may be since ethylene glycol has strongest polarity.
Embodiment 2
The dosage of carbon fiber is adjusted to 2.5g by 2g, other conditions and embodiment 1 are identical, obtain graphene-based photoelectricity and turn
Change device.
Characterization is carried out to graphene-based photoelectric conversion device according to the method in embodiment 1 and photoelectric conversion performance is tested,
Acquired results and embodiment 1 are similar.
Embodiment 3
Concentrated sulfuric acid dosage is adjusted to 65mL by 60mL, and other conditions and embodiment 1 are identical, obtains graphene-based photoelectric conversion
Device.
Characterization is carried out to graphene-based photoelectric conversion device according to the method in embodiment 1 and photoelectric conversion performance is tested,
Acquired results and embodiment 1 are similar.
Embodiment 4
The electrochemical deposition time is adjusted to 12h by 3h, other conditions and embodiment 1 are identical, obtain graphene-based photoelectricity and turn
Change device.
Characterization is carried out to graphene-based photoelectric conversion device according to the method in embodiment 1 and photoelectric conversion performance is tested,
Acquired results and embodiment 1 are similar.
Embodiment 5
Concentrated nitric acid dosage is adjusted to 25mL by 20mL, and other conditions and embodiment 1 are identical, obtains graphene-based photoelectric conversion
Device.
Characterization is carried out to graphene-based photoelectric conversion device according to the method in embodiment 1 and photoelectric conversion performance is tested,
Acquired results and embodiment 1 are similar.
Embodiment 6
In electrochemical deposition process, graphene oxide solution dosage is adjusted to 230ml, other conditions and implementation by 200ml
Example 1 is identical, obtains graphene-based photoelectric conversion device.
Characterization is carried out to graphene-based photoelectric conversion device according to the method in embodiment 1 and photoelectric conversion performance is tested,
Acquired results and embodiment 1 are similar.
Embodiment 7
The treatment temperature of acid processing is adjusted to 120 DEG C by 100 DEG C, other conditions and embodiment 1 are identical, obtain graphene
Base photoelectric conversion device.
Characterization is carried out to graphene-based photoelectric conversion device according to the method in embodiment 1 and photoelectric conversion performance is tested,
Acquired results and embodiment 1 are similar.
As seen from the above embodiment, photoelectric conversion device photoelectric conversion performance provided by the invention is good, in a natural environment
Solution evaporation induction electricity production can be carried out, difference can be exported in different solvents under a normal sunlight illumination condition
Voltage, also can induce in the solution of various concentration and generate different voltage, do not need the input of additional energy, can directly by
Environmental energy is converted into electric energy, and the utilization rate of the energy is high, and preparation method is simple, and at low cost, preparation time is short, flexible portable
Band has broad application prospects.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of preparation method of graphene-based photoelectric conversion device, includes the following steps：
It is diluted after carbon fiber is carried out sour processing, obtains graphene oxide solution；The acid processing acid includes nitric acid and sulfuric acid；
Hydrophily carbon cloth is immersed in the graphene oxide solution and carries out electrochemical deposition, it is multiple to obtain graphene oxide-carbon cloth
Condensation material；
The graphene oxide-carbon cloth composite material is subjected to hydrogen reducing, obtains graphene-based photoelectric conversion device.
2. preparation method according to claim 1, which is characterized in that the mass concentration of the nitric acid is 65~68%；It is described
The mass concentration of sulfuric acid is 95~98%；The mass ratio of the sulfuric acid and nitric acid is 40~50:7~15.
3. preparation method according to claim 2, which is characterized in that the mass ratio of the sulfuric acid and carbon fiber is 40~50:
1；
The mass ratio of the nitric acid and carbon fiber is 7~15:1.
4. according to claim 1,2 or 3 preparation method, which is characterized in that the temperature of the acid processing is 100~140 DEG C；
The time of the acid processing is 2~11h.
5. preparation method according to claim 1, which is characterized in that the concentration of the graphene oxide solution be 1.8~
2.5mg/mL, pH value are 2~5.
6. preparation method according to claim 1, which is characterized in that the electrochemical deposition is constant voltage deposition；The electricity
The deposition voltage of chemical deposition is 5~8V；The sedimentation time of the electrochemical deposition is 6~12h.
7. preparation method according to claim 1, which is characterized in that the temperature of the hydrogen reducing is 200~400 DEG C, when
Between be 1.5~3h, hydrogen flowing quantity be 50~80mL/min.
8. the graphene-based photoelectric conversion device of the preparation of preparation method described in claim 1~7 any one, including carbon cloth and attached
The graphene on the carbon cloth.
9. application of the graphene-based photoelectric conversion device according to any one of claims 8 in photoelectric conversion.
10. application according to claim 9, which is characterized in that include the following steps：
The graphene-based photoelectric conversion device is placed in liquid, under illumination condition, the graphene-based photoelectricity turns
Change device and induction power generation is evaporated by liquid；
The liquid is water, inorganic salt solution, acid or alcohols solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792006.5A CN108910864B (en) | 2018-07-18 | 2018-07-18 | Graphene-based photoelectric conversion device and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792006.5A CN108910864B (en) | 2018-07-18 | 2018-07-18 | Graphene-based photoelectric conversion device and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108910864A true CN108910864A (en) | 2018-11-30 |
| CN108910864B CN108910864B (en) | 2020-06-26 |
Family
ID=64415153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810792006.5A Active CN108910864B (en) | 2018-07-18 | 2018-07-18 | Graphene-based photoelectric conversion device and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108910864B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540992A (en) * | 2018-12-10 | 2019-03-29 | 哈尔滨工业大学（深圳） | Hypersensitive glucose sensor and preparation method thereof based on graphite alkylene carbon fiber substrates |
| CN111404604A (en) * | 2020-03-06 | 2020-07-10 | 杭州高烯科技有限公司 | Intermediate infrared communication device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110809A (en) * | 2015-08-18 | 2015-12-02 | 河南泛锐复合材料研究院有限公司 | Preparation method for graphene-modified high thermal conductivity three-dimensional carbon/carbon composite material |
| CN105529473A (en) * | 2015-12-15 | 2016-04-27 | 中国科学院化学研究所 | Graphene oxide-modified electrode material for energy storage flow battery |
| CN105753112A (en) * | 2015-12-11 | 2016-07-13 | 宁夏大学 | Activated carbon cloth/graphene composite electrode and method and device for preparing activated carbon cloth/graphene composite electrode |
| CN106941179A (en) * | 2017-03-20 | 2017-07-11 | 哈尔滨工业大学 | A kind of preparation of graphene Polyaniline-modified carbon cloth electrode material and the method for accelerating biological anode domestication |
-
2018
- 2018-07-18 CN CN201810792006.5A patent/CN108910864B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110809A (en) * | 2015-08-18 | 2015-12-02 | 河南泛锐复合材料研究院有限公司 | Preparation method for graphene-modified high thermal conductivity three-dimensional carbon/carbon composite material |
| CN105753112A (en) * | 2015-12-11 | 2016-07-13 | 宁夏大学 | Activated carbon cloth/graphene composite electrode and method and device for preparing activated carbon cloth/graphene composite electrode |
| CN105529473A (en) * | 2015-12-15 | 2016-04-27 | 中国科学院化学研究所 | Graphene oxide-modified electrode material for energy storage flow battery |
| CN106941179A (en) * | 2017-03-20 | 2017-07-11 | 哈尔滨工业大学 | A kind of preparation of graphene Polyaniline-modified carbon cloth electrode material and the method for accelerating biological anode domestication |
Non-Patent Citations (1)
| Title |
|---|
| JUAN PENG ET AL.: "Graphene Quantum Dots Derived from Carbon Fibers", 《NANO LETTERS》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540992A (en) * | 2018-12-10 | 2019-03-29 | 哈尔滨工业大学（深圳） | Hypersensitive glucose sensor and preparation method thereof based on graphite alkylene carbon fiber substrates |
| CN109540992B (en) * | 2018-12-10 | 2021-05-25 | 哈尔滨工业大学（深圳） | Ultra-sensitive glucose sensor based on graphene carbon fiber substrate and preparation method thereof |
| CN111404604A (en) * | 2020-03-06 | 2020-07-10 | 杭州高烯科技有限公司 | Intermediate infrared communication device |
| CN111404604B (en) * | 2020-03-06 | 2021-04-09 | 杭州高烯科技有限公司 | Intermediate infrared communication device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108910864B (en) | 2020-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Vishwakarma et al. | Band gap engineering of Gd and Co doped BiFeO3 and their application in hydrogen production through photoelectrochemical route | |
| CN105251513B (en) | The electro-deposition preparation method of carbon nanotube/transistion metal compound composite material | |
| CN106498372B (en) | Light deposition prepares Bi/BiVO4The method of composite photoelectric anode material | |
| CN101871117B (en) | CuxSe/TiO2 nanotube array of p-type semiconductor nano material and preparation method thereof | |
| Mao et al. | Synthesis and photoelectrochemical cell properties of vertically grown α-Fe 2 O 3 nanorod arrays on a gold nanorod substrate | |
| US20200181784A1 (en) | Photoelectrochemical cells | |
| CN103334142A (en) | Preparation method of autodoped modified high-conductivity TiO2 nanotube array | |
| CN112779542B (en) | Photo-anode composite film material for photoelectrochemical cathodic protection and application thereof | |
| CN109273691B (en) | Molybdenum disulfide/nitrogen-doped carbon composite material and preparation method and application thereof | |
| CN108546970B (en) | Bi2Se3/TiO2Nano composite film and preparation and application thereof | |
| US20180135191A1 (en) | Catalyst for water splitting and method for preparing same | |
| KR20190071222A (en) | Cathode containing copper oxide and transition metal sulfide, Preparation Method thereof, Microbial electrolysis cell containing the same, Wasted water treatment using the same | |
| CN108910864A (en) | A kind of graphene-based photoelectric conversion device and its preparation method and application | |
| CN106086922B (en) | It is a kind of to utilize solar energy low cost production hydrogen peroxide and the electrolytic method of hydrogen | |
| Halima et al. | Metal-free black silicon for solar-powered hydrogen generation | |
| Mir et al. | Effect of concentration of Fe-dopant on the photoelectrochemical properties of Titania nanotube arrays | |
| CN102995091A (en) | Method for preparing titanium dioxide nano tip array film for field emission | |
| CN106981650A (en) | A kind of preparation method of nanoscale bismuth with elementary | |
| US11293110B2 (en) | Method for extracting uranium with coupling device of wind power generation and uranium extraction from seawater | |
| CN101255603B (en) | Method for preparing II-VI family semiconductor nano-wire by template electric-sedimentation | |
| CN109972149B (en) | Bi2Te3/Bi2O3/TiO2Preparation method of ternary heterojunction film | |
| WO2024040889A1 (en) | Cu-loaded nano-cuxo material, preparation method therefor, and application thereof | |
| Yang et al. | Fabrication of reduced graphene oxide wrapped TiO2/SnO2 photoanode and its anticorrosion property | |
| Tian et al. | Electrochemical synthesis of wheat-like CdSe array and their photoelectrochemical properties | |
| CN108251849B (en) | Photoelectric material for improving corrosion resistance of stainless steel and repairing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210118 Address after: 315100 b-211-47, Kexin building, 655 bachelor Road, Yinzhou District, Ningbo City, Zhejiang Province Patentee after: NINGBO ZHIZHENG WEIYING INFORMATION TECHNOLOGY Co.,Ltd. Address before: 430000 No.368 Youyi Avenue, Wuchang District, Wuhan City, Hubei Province Patentee before: Hubei University |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221214 Address after: Building 8, Block A, Erqi Industrial Park, No. 189, Xinjiang'an Fifth Village, Jiang'an District, Wuhan City, Hubei Province, 430000 Patentee after: Hubei aerospace Amperex Technology Limited moon Address before: 315100 b-211-47, Kexin building, 655 bachelor Road, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: NINGBO ZHIZHENG WEIYING INFORMATION TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |