CN106111179A - A kind of small size nitrogen-doped graphene photocatalyst and its preparation method and application - Google Patents
A kind of small size nitrogen-doped graphene photocatalyst and its preparation method and application Download PDFInfo
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- CN106111179A CN106111179A CN201610478649.3A CN201610478649A CN106111179A CN 106111179 A CN106111179 A CN 106111179A CN 201610478649 A CN201610478649 A CN 201610478649A CN 106111179 A CN106111179 A CN 106111179A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 52
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 15
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 5
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 4
- 239000010439 graphite Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 11
- 229910001868 water Inorganic materials 0.000 claims description 11
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 claims description 9
- 229940043267 rhodamine b Drugs 0.000 claims description 9
- 238000000502 dialysis Methods 0.000 claims description 8
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000000376 reactant Substances 0.000 claims description 6
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 20
- 238000005286 illumination Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000006555 catalytic reaction Methods 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract 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 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000593 degrading effect Effects 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 230000001699 photocatalysis Effects 0.000 description 20
- 238000007146 photocatalysis Methods 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229910002567 K2S2O8 Inorganic materials 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000005556 structure-activity relationship Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
-
- B01J35/39—
-
- B01J35/40—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention discloses a kind of small size nitrogen-doped graphene photocatalyst and its preparation method and application.First graphite oxide ultrasonic disperse being obtained graphene oxide solution, be subsequently adding sodium hydroxide and hydrazine hydrate, mixing and stirring, hydro-thermal reaction synthesizes undersized nitrogen-doped graphene photocatalyst；Under visible ray illumination, this catalysis material shows preferable degrading activity to organic pollution；And preparation method is simple, prepares the low cost of catalyst, therefore in solution environmental pollution and energy shortage problem, there is wide practical value and application prospect.
Description
Technical field
The invention belongs to catalysis material prepare, photocatalysis technology and field for the treatment of of water pollution, be specifically related to a kind of little chi
Very little nitrogen-doped graphene photocatalyst and its preparation method and application.
Background technology
Solar energy is the clean energy resource treasure-house that the Nature vouchsafes the mankind, and people can to the exploratory development of Solar use
To trace back to 20th century six the seventies, hereafter, the photocatalysis technology based on semi-conducting material enters the sight line of people,
Being driving force because it can directly utilize solar energy, Photocatalitic Technique of Semiconductor receives national governments and scientific and technological work subsequently
Persons pay close attention to widely, and have worldwide obtained vigorous growth.Along with catalysis and the fast development of material science,
Photocatalysis technology, as a green technology, is on the one hand put forth effort on the basis of the environmental pollution improvements such as water, air and soil and answers
With research；On the other hand, the research in terms of photolysis water hydrogen and DSSC has also been carried out.Simultaneously as not
Produce secondary pollution, low cost, less energy consumption, reaction condition is gentle, operate the advantage such as recycle simple, recyclable, photocatalysis
Technology is expected to become solution human society energy crisis and a kind of desirable route of environmental problem.
Catalysis material preparation as photocatalysis technology development material base and key, be photocatalysis technology research
Core emphasis.Graphene-based photocatalyst has been widely used since report from 2009 in terms of the energy and environment, example
Such as photocatalytic pollutant degradation, selectivity organic transformation, photo catalytic reduction CO2Hydrogen etc. is prepared with photochemical catalyzing, wherein,
Graphene improves quasiconductor catalytic performance primarily as a kind of promoter.Recent research indicate that, by reasonable adjusting stone
The ink surface of alkene and characteristic electron, such as chemical doping (N doping), can be converted into n-type semiconductor by Graphene, and directly
Apply in light-catalyzed reaction.Graphene synthetic method is simple, and low cost and chemical stability are good, by its characteristic electron
Carry out regulating and controlling directly preparation to there is the Graphene of semiconductor property the synthesis of new catalyst is significant.
The size of catalyst is the key factor affecting catalytic performance.Generally, undersized catalyst has bigger
Specific surface area and broader energy gap.On the other hand, can effectively shorten carrier by the size of reduction catalyst to turn
The path moved, improves the efficiency of carrier separation.Additionally, reduce catalyst size can weaken the catalyst diffuse-reflectance energy to light
Power, thus improve the absorbing properties of catalyst.Research shows, change Graphene be sized to significantly to affect its electronics and
Optical characteristics, and then affect its photocatalysis performance.Therefore, we have tried the regulation and control that nitrogen-doped graphene is carried out size, come
Explore the change of size to nitrogen-doped graphene characteristic and the change of photocatalysis efficiency thereof.
Summary of the invention
It is an object of the invention to provide one and there is the spies such as photocatalytic activity is good, cost of manufacture is low, production technology is simple
Undersized nitrogen-doped graphene photocatalyst and its preparation method and application of point, with probe into the size of nitrogen-doped graphene with
Structure activity relationship between its photocatalysis performance, the undersized nitrogen-doped graphene photocatalyst of preparation light under visible ray is urged
Change degradable organic pollutant.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of small size nitrogen-doped graphene visible-light photocatalyst
The method preparing small size nitrogen-doped graphene photocatalyst as above comprises the following steps:
(1) preparation of graphene oxide (GO):
By P2O5And K2S2O8By the quality of 1:1 than mix homogeneously, it is slowly added to the 12 dense H of mL 98%2SO4, it is heated to 80 DEG C,
Add graphite powder, constant temperature 24 h；Room temperature cools down, and stirs after dilute with water, the most static；Sucking filtration, obtains filtering residue；Gained filtering residue is done
The 120 dense H of mL 98% it are dissolved in after dry2SO4In, it is slowly added to 15 g KMnO under magnetic agitation4, and the temperature controlling reactant liquor is low
In 20 DEG C, then stirring reaction 2 h at 35 DEG C～40 DEG C；It is slowly added to 250 mL water while stirring be diluted and control
The temperature of reactant liquor processed is less than 50 DEG C；Add 1 L deionized water and 20 mL 30%H2O2(being added dropwise over), continues stirring,
Stand overnight.Filtering, filtering residue 1:10 hydrochloric acid: deionized water wash, centrifugation, dialysis is washed, and collects solid, is dried, so
The rear final graphite oxide ultrasonic disperse again obtained is in deionized water, it is thus achieved that graphene oxide solution；
(2) preparation of small size nitrogen-doped graphene photocatalyst:
By graphene oxide (GO) prepared for step (1), hydrazine hydrate (N2H4·H2O), sodium hydroxide (NaOH) mix and blend is equal
Even, then 100 DEG C of hydro-thermal 12 h, then cooling, dialysis, filter, wash, are dried to obtain undersized Graphene.
In step (1), the concentration of graphene oxide water solution is 1 mg/mL.
In step (2), the reactant liquor after stirring is put in reactor, and volume is filled to 80%；
The application of a kind of small size nitrogen-doped graphene photocatalyst as above: have engine dyeing for Photocatalytic Activity for Degradation
Material rhodamine B, described photocatalyst irradiates 6 h under the visible ray of wavelength 405 ± 15 nm, and the rhodamine B of 90% is the most
Through being degraded.
Specifically comprising the following steps that of photocatalysis degradation organic contaminant
A certain amount of catalyst is scattered in certain density rhodamine B solution, stirs, stir upon adsorption flat under room temperature
After weighing apparatus, illumination certain time, it is then centrifuged for, then measures under the different photocatalysis time on ultraviolet-visible spectrophotometer
Absorbance.
The remarkable advantage of the present invention is:
(1) present invention is successfully prepared by a step hydrothermal synthesis method and has smaller size of nitrogen-doped graphene photocatalyst.
In this hydrothermal reaction process, graphene oxide is not only transformed into the Graphene of N doping, and the most cropped
Less.Owing to size reduces, then it is more beneficial for transfer and the separation of photo-generated carrier, reduces electron-hole recombination rate.
(2) size reduces, and specific surface area increases, and absorbability strengthens, and these factors are all conducive to improving undersized nitrogen
The photocatalytic activity of doped graphene degradable organic pollutant under visible light.
(3) the undersized nitrogen-doped graphene catalyst low cost prepared, the technique of preparation are simple, and have and compare
Good photocatalysis effect, is expected to be applied to the photocatalysis treatment of industrial wastewater, waste gas, for solving the most serious environmental pollution
Problem is significant.
Accompanying drawing explanation
Fig. 1-A is the atomic force microscope figure of large-sized nitrogen-doped graphene (L-NGR).
Fig. 1-B is the atomic force microscope figure of undersized nitrogen-doped graphene (S-NGR).
Fig. 2-a is the XPS figure of the C1s of L-NGR and S-NGR；
Fig. 2-b is the XPS figure of the O1s of L-NGR and S-NGR；
Fig. 2-c is the XPS figure of the N1s of L-NGR and S-NGR.
Fig. 3 is the photocatalytically degradating organic dye rhodamine B figure of L-NGR and S-NGR.
Detailed description of the invention
Present invention the following example further illustrates present disclosure, but protection scope of the present invention is not limited to
The following example.
Embodiment 1
By P2O5And K2S2O8By the quality of 1:1 than mix homogeneously, it is slowly added to the 12 dense H of mL 98%2SO4, it is heated to 80 DEG C,
Add graphite powder, constant temperature 24 h；Room temperature cools down, and stirs after dilute with water, the most static；Sucking filtration, obtains filtering residue；Gained filtering residue is done
The 120 dense H of mL 98% it are dissolved in after dry2SO4In, it is slowly added to 15 g KMnO under magnetic agitation4, and the temperature controlling reactant liquor is low
In 20 DEG C, then stirring reaction 2 h at 35 DEG C～40 DEG C；It is slowly added to 250 mL water while stirring be diluted and control
The temperature of reactant liquor processed is less than 50 DEG C；Add 1 L deionized water and 20 mL 30%H2O2(being added dropwise over), continues stirring,
Stand overnight.Filtering, filtering residue 1:10 hydrochloric acid: deionized water wash, centrifugation, dialysis is washed, and collects solid, is dried, so
The rear final graphite oxide ultrasonic disperse again that obtains is in deionized water, it is thus achieved that graphene oxide solution；
20 mg NaOH are dispersed in 80 mL graphene oxide solution (1 mg/mL), after blended stirring 1 h, 0.5 mL
N2H4·H2O adds in above solution, and solution is placed in 100 DEG C of hydro-thermal reaction 12 h in reactor, then cooling, dialysis,
Washing, be dried to obtain S-NGR catalyst, wherein the particle diameter of S-NGR catalyst is 300 nm；Take 80 mL graphene oxide solution,
After blended stirring 1 h, 0.5 mL N2H4·H2O adds in above solution, and solution is placed in 100 DEG C of hydro-thermals in reactor
Reacting 12 h, then cooling, dialysis, wash, be dried to obtain L-NGR catalyst, wherein the particle diameter of L-NGR catalyst is 930
nm。
Embodiment 2
The catalyst (S-NGR catalyst is experimental group, and L-NGR catalyst is matched group) that 10 mg embodiments 1 prepare is added to
Mix homogeneously in the rhodamine B solution of 5 ppm 60 mL, after stirring balance upon adsorption under room temperature, be placed in visible ray (405 ±
15 nm) under illumination 6 h, afterwards to closing xenon source, by the sample centrifugation in all of centrifuge tube, centrifugal after gained
To the supernatant be further diverted in quartz colorimetric utensil on ultraviolet-visible spectrophotometer measuring the different photocatalysis time
Under absorbance, thus obtain the photocatalytic degradation curve under visible light illumination to rhodamine B of catalyst under each time period
Figure, result is as shown in Figure 3, it is seen that S-NGR catalyst is after illumination 6h, and the degradation rate of rhodamine B is 90%, and L-NGR catalyst
After illumination 6h, the degradation rate of rhodamine B is only 25%, and the change that thus can obtain size produces obvious shadow to photocatalysis performance
Ring.
Fig. 1 is the atomic force microscope figure of the nitrogen-doped graphene of prepared different size size, from Fig. 1 (A) and
(B) can draw in, Graphene, after alkali processes, is the most successfully cut into more scutellate Graphene.
Fig. 2 is the XPS figure of the nitrogen-doped graphene of different size size, can be clearly seen that we have become from figure
Merit synthesizes the Graphene of N doping, and changing of size does not has the generation of the content on nitrogen significantly impact.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modify, all should belong to the covering scope of the present invention.
Claims (6)
1. the preparation method of a small size nitrogen-doped graphene photocatalyst, it is characterised in that: concretely comprising the following steps of the method:
(1) graphite oxide is dissolved in ultrasonic disperse in deionized water, obtains graphene oxide solution；
(2) 20 mg sodium hydroxide are dispersed in 80 mL graphene oxide solution, after blended stirring 1 h, 0.5 mL water
Close hydrazine and add in above solution, solution is placed in 100 DEG C of hydro-thermal reaction 12 h in reactor, after reaction terminates, treat above-mentioned instead
Liquid is answered to be cooled to room temperature；Reactant liquor is put in dialysis bag, and dialysis to ion concentration is less than 10 ppm；After dialysis is complete, sucking filtration,
It is washed with deionized, afterwards sample drying is obtained described small size nitrogen-doped graphene photocatalyst.
The preparation method of small size nitrogen-doped graphene photocatalyst the most according to claim 1, it is characterised in that: described
In step (1) and step (2), the concentration of graphene oxide solution is 1 mg/mL.
The preparation method of small size nitrogen-doped graphene photocatalyst the most according to claim 1, it is characterised in that: described
In step (2), being placed in reactor by solution, volume is filled to 80%.
4. the small size nitrogen-doped graphene photocatalyst that the preparation method as described in claim 1-3 is arbitrary prepares.
Small size nitrogen-doped graphene photocatalyst the most according to claim 4, it is characterised in that: described small size nitrogen is mixed
The particle diameter of miscellaneous Graphene is 300 nm.
6. small size nitrogen-doped graphene photocatalyst as claimed in claim 4 answering in degradating organic dye rhodamine B
With.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636438A (en) * | 2018-05-16 | 2018-10-12 | 成都理工大学 | A kind of nitrogen co-doped graphene photo-catalyst of oxygen and its preparation method and application |
| CN109012730A (en) * | 2018-08-17 | 2018-12-18 | 成都理工大学 | A kind of nitrogen co-doped photochemical catalyst of visible light-responded boron and its preparation method and application |
| CN111439801A (en) * | 2020-04-17 | 2020-07-24 | 中国地质大学（北京） | Method for photo-thermal photocatalytic co-treatment of high-salinity organic wastewater by using nitrided graphene composite nanofiber membrane |
| CN113398970A (en) * | 2021-06-07 | 2021-09-17 | 武汉工程大学 | ZnO nanowire array/three-dimensional nitrogen-doped rGO nanotube composite material and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167310A (en) * | 2011-01-30 | 2011-08-31 | 黑龙江大学 | Method for preparing nitrogen-doped graphene material with hydrothermal process |
-
2016
- 2016-06-28 CN CN201610478649.3A patent/CN106111179B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167310A (en) * | 2011-01-30 | 2011-08-31 | 黑龙江大学 | Method for preparing nitrogen-doped graphene material with hydrothermal process |
Non-Patent Citations (2)
| Title |
|---|
| CHEN MA等: ""Controlled synthesis of graphene sheets with tunable sizes by hydrothermal cutting"", 《J NANOPART RES》 * |
| TE-FU YEH等: ""Nitrogen-Doped Graphene Oxide Quantum Dots as Photocatalysts for Overall Water-Splitting under Visible Light Illumination"", 《ADV. MATER.》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636438A (en) * | 2018-05-16 | 2018-10-12 | 成都理工大学 | A kind of nitrogen co-doped graphene photo-catalyst of oxygen and its preparation method and application |
| CN108636438B (en) * | 2018-05-16 | 2021-10-26 | 成都理工大学 | Oxygen-nitrogen co-doped graphene photocatalyst and preparation method and application thereof |
| CN109012730A (en) * | 2018-08-17 | 2018-12-18 | 成都理工大学 | A kind of nitrogen co-doped photochemical catalyst of visible light-responded boron and its preparation method and application |
| CN109012730B (en) * | 2018-08-17 | 2022-01-11 | 成都理工大学 | Visible light response boron-nitrogen co-doped photocatalyst and preparation method and application thereof |
| CN111439801A (en) * | 2020-04-17 | 2020-07-24 | 中国地质大学（北京） | Method for photo-thermal photocatalytic co-treatment of high-salinity organic wastewater by using nitrided graphene composite nanofiber membrane |
| CN113398970A (en) * | 2021-06-07 | 2021-09-17 | 武汉工程大学 | ZnO nanowire array/three-dimensional nitrogen-doped rGO nanotube composite material and preparation method and application thereof |
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