CN107486230A - A kind of high activity large-specific surface area nano laminated structure g C3N4Preparation method - Google Patents
A kind of high activity large-specific surface area nano laminated structure g C3N4Preparation method Download PDFInfo
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- CN107486230A CN107486230A CN201710681763.0A CN201710681763A CN107486230A CN 107486230 A CN107486230 A CN 107486230A CN 201710681763 A CN201710681763 A CN 201710681763A CN 107486230 A CN107486230 A CN 107486230A
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- 230000000694 effects Effects 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 20
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 17
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 15
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- CSGNMMLYYZTWBB-UHFFFAOYSA-N nitric acid;1,3,5-triazine-2,4,6-triamine Chemical compound O[N+]([O-])=O.NC1=NC(N)=NC(N)=N1 CSGNMMLYYZTWBB-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 150000007974 melamines Chemical class 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 239000003643 water by type Substances 0.000 claims description 5
- 238000006555 catalytic reaction Methods 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 abstract description 10
- 238000012719 thermal polymerization Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 239000002135 nanosheet Substances 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- YPRTZUDVTHDBCP-UHFFFAOYSA-N N1=C(N)N=C(N)N=C1N.[N+](=O)(O)[O-].[N+](=O)(O)[O-] Chemical compound N1=C(N)N=C(N)N=C1N.[N+](=O)(O)[O-].[N+](=O)(O)[O-] YPRTZUDVTHDBCP-UHFFFAOYSA-N 0.000 abstract description 3
- NSUGPGQAMVQAJJ-UHFFFAOYSA-N [N+](=O)(O)[O-].[N+](=O)(O)[O-].[N+](=O)(O)[O-].N1=C(N)N=C(N)N=C1N Chemical compound [N+](=O)(O)[O-].[N+](=O)(O)[O-].[N+](=O)(O)[O-].N1=C(N)N=C(N)N=C1N NSUGPGQAMVQAJJ-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000354 decomposition reaction Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- 239000000356 contaminant Substances 0.000 abstract description 2
- 239000008367 deionised water Substances 0.000 abstract description 2
- 229910021641 deionized water Inorganic materials 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 239000002243 precursor Substances 0.000 abstract description 2
- 230000035484 reaction time Effects 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 239000002904 solvent Substances 0.000 abstract description 2
- 239000002086 nanomaterial Substances 0.000 description 18
- 230000001699 photocatalysis Effects 0.000 description 7
- 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 description 6
- 238000001035 drying Methods 0.000 description 5
- 235000011837 pasties Nutrition 0.000 description 5
- 229940043267 rhodamine b Drugs 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000007146 photocatalysis Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- -1 melamine Amine Chemical class 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000003440 toxic substance Substances 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
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- 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
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/615—100-500 m2/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
- B01J35/635—0.5-1.0 ml/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
- B01J35/638—Pore volume more than 1.0 ml/g
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- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/647—2-50 nm
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
A kind of high activity high-specific surface area g C3N4The preparation method of flaky nanometer structure material.Using melamine as raw material, acetic acid or deionized water are melamine solvent, by adding different nitric acid amounts, prepare melamine single nitric acid salt, melamine dinitrate, melamine trinitrate energetic material as preparation g C3N4Precursor.This method utilizes the strong energy discharged during melamine nitrate thermal polymerization, on the one hand by block g C3N4Nano-sheet is peeled off into, on the other hand temperature and reaction time needed for reduction thermal polymerization, avoids traditional specific area nano-sheet g C3N4High temperature and secondary clacining technique in synthesis in solid state, greatly reduce synthesis energy consumption level.This method is simple and easy, and cost is cheap, reproducible, is with a wide range of applications in fields such as light decomposition water, photochemical catalytic oxidation environmental contaminants.
Description
Technical field
The invention belongs to new material, utilization of new energy resources and field of environment pollution control, it is related to that a kind of standby high activity is big to compare table
Area nanometer laminated structure g-C3N4The preparation method of catalysis material.
Background technology
Graphene phase carbon nitride (g-C3N4) it is a kind of new polymeric material, it is made up of, has cheap rich nonmetalloid
The raw material of richness, special structure and performance, it is the semi-conducting material of environment friendly and biocompatibility.In the last few years, studied
Persons allow this material to show more excellent property in fields such as the energy, environment, medical science by optimizing preparation and method of modifying
Energy.However, the block g-C prepared by thermal polymerization method3N4Have that specific surface area is small, avtive spot is few, the amount in visible region
Problem, the photocatalysis efficiencies such as sub- efficiency is low are bad.By nanostructured and Morphological control means can increasing specific surface area, increase
Reaction active site, improve electron transmission efficiency, suppress electronics and hole-recombination, improve the photocatalytic activity of carbonitride.It is hard at present
Template, soft template method and Supramolecular self assembly method are to prepare the common method of azotized carbon nano material.But with silica or
Aluminum oxide is hard template, is related to miscellaneous presoma perfusion and template removal process, and employs fluorine-containing toxic chemical examination
Agent, the problems such as pollution is big, cost is high, the cycle is long be present.And there is equipment complexity, operating process in soft template method and supermolecule rule
Cumbersome, the problems such as conversion efficiency is relatively low.Therefore, develop a kind of simple, quick, environmental protection method, regulate and control the nano junction of carbonitride
Structure, improve its photocatalysis performance.
The content of the invention
The invention provides a kind of high activity high-specific surface area g-C3N4The preparation method of flaky nanometer structure material.With three
Poly cyanamid is raw material, and acetic acid or deionized water are melamine solvent, by adding different nitric acid amounts, prepare melamine list nitre
Hydrochlorate, melamine dinitrate, melamine trinitrate energetic material are as preparation g-C3N4Precursor.This method profit
The strong energy discharged during with melamine nitrate thermal polymerization, on the one hand by block g-C3N4Peel off into nano-sheet, the opposing party
Temperature and reaction time needed for the reduction thermal polymerization of face, avoid traditional specific area nano-sheet g-C3N4Height in synthesis in solid state
Gentle secondary clacining technique, greatly reduces synthesis energy consumption level.This method is simple and easy, and cost is cheap, reproducible, in light
The fields such as decomposition water, photochemical catalytic oxidation environmental contaminants are with a wide range of applications；It is a further object of the present invention to provide by
The high activity high specific surface area platy g-C that this method is prepared3N4Nano material.
A kind of high activity large-specific surface area nano laminated structure g-C3N4The preparation method of catalysis material, step are as follows：
(1) 4g melamines are dissolved in 10 ml deionized waters or acetic acid, through ultrasonic mixing through 60 DEG C of drying 24h amine
Uniformly；
(2) 3 milliliters, 4 milliliters or 5 milliliters of 60%HNO3 solution is stirred, obtained in step (1) mixed solution
Obtain pasty state melamine nitrate；
(3) melamine nitrate obtained by step (2) is placed in covered crucible, is put into and has warmed up 190-200 DEG C
In Muffle furnace；Then Muffle furnace is warming up to 500 DEG C with 10 DEG C/min heating rate, keeps 2h at such a temperature, then will
Crucible takes out natural cooling immediately, obtains light yellow high surface area flaky nanometer structure g-C3N4Material.
G-C provided by the invention3N4Nano material specific surface area is up to 240m2/g, due to nanometer sheet quantum effect, has
Remarkable decomposition water and degraded organic contamination ability.Preparation method provided by the invention, raw material is cheap, and preparation method is simple, energy
Consume low, there is very high practical value and application prospect.
Brief description of the drawings
Fig. 1 is g-C3N4 nanometer material 1-4 XRD spectrum.
Fig. 2 is g-C3N4 nano materials 1-4 TEM collection of illustrative plates：(a) g-C3N4 nano materials 1；(b) g-C3N4 nano materials
2；(c) g-C3N4 nano materials 3；(d) g-C3N4 nano materials 4.
Fig. 3 is g-C3N4 nano materials 1-4 and block g-C3N4 degraded rhodamine efficiency curves：(a) block g-
C3N4；(b) g-C3N4 nano materials 1；(c) g-C3N4 nano materials 2；(d) g-C3N4 nano materials 3；(e) g-C3N4 nanometers material
Material 4.
Embodiment
Methods and techniques of the present invention are illustrated below by example.
Example 1：Melamines of the 4g through 60 DEG C of drying 24h is weighed, is dissolved in 10 ml deionized waters, through 1000W ultrasounds
10min is well mixed；(2) 3 milliliter 60% of HNO is measured3Solution stirs in step (1) mixed solution, obtains pasty state
Melamine single nitric acid salt；(3) melamine single nitric acid salt obtained by step (2) is placed in covered crucible, is put into and has warmed up
In 190 DEG C of Muffle furnace；Then Muffle furnace is warming up to 500 DEG C with 10 DEG C/min heating rate, keeps 2h at such a temperature,
Then crucible is taken out into natural cooling immediately, obtains light yellow high surface area flaky nanometer structure g-C3N4Material 1.
Example 2：Melamines of the 4g through 60 DEG C of drying 24h is weighed, is dissolved in 10 ml deionized waters, through 1000W ultrasounds
10min is well mixed；(2) 4 milliliter 60% of HNO is measured3Solution stirs in step (1) mixed solution, obtains pasty state
Melamine dinitrate；(3) melamine single nitric acid salt obtained by step (2) is placed in covered crucible, is put into and has warmed up
In 200 DEG C of Muffle furnace；Then Muffle furnace is warming up to 500 DEG C with 10 DEG C/min heating rate, keeps 2h at such a temperature,
Then crucible is taken out into natural cooling immediately, obtains light yellow high surface area flaky nanometer structure g-C3N4Material 2.
Example 3：Melamines of the 4g through 60 DEG C of drying 24h is weighed, is dissolved in 10 ml deionized waters, through 1000W ultrasounds
10min is well mixed；(2) 5 milliliter 60% of HNO is measured3Solution stirs in step (1) mixed solution, obtains pasty state
Melamine trinitrate；(3) melamine single nitric acid salt obtained by step (2) is placed in covered crucible, is put into and has warmed up
In 200 DEG C of Muffle furnace；Then Muffle furnace is warming up to 500 DEG C with 10 DEG C/min heating rate, keeps 2h at such a temperature,
Then crucible is taken out into natural cooling immediately, obtains light yellow high surface area flaky nanometer structure g-C3N4Material 3.
Example 4：Melamines of the 4g through 60 DEG C of drying 24h is weighed, 10 milliliters of acetic acid is dissolved in, is mixed through 1000W ultrasounds 10min
Close uniform；(2) 4 milliliter 60% of HNO is measured3Solution stirs in step (1) mixed solution, obtains pasty state melamine
Amine dinitrate；(3) melamine single nitric acid salt obtained by step (2) is placed in covered crucible, is put into and has warmed up to 200 DEG C
In Muffle furnace；Then Muffle furnace is warming up to 500 DEG C with 10 DEG C/min heating rate, keeps 2h at such a temperature, then will
Crucible takes out natural cooling immediately, obtains light yellow high surface area flaky nanometer structure g-C3N4Material 4.
To g-C obtained as above3N4Nano material 1-4 carries out photocatalytic activity test experiments, while in order to contrast, same
Under the conditions of also determine block g-C3N4The photocatalytic activity of material.Photocatalytic activity test process is as follows：It is by initial concentration
10mg·L-1Rhodamine B (RhB) solution 50ml is placed in 250ml beakers as target degradation product, weighs 0.01g photochemical catalysts simultaneously
It is set to be uniformly distributed in rhodamine B (RhB) solution, photochemical catalyst is in suspended state in the solution.In order to reach adsorption-desorption
Balance, by this suspension under the conditions of magnetic agitation dark reaction 30min, be placed on the visible light source away from liquid level 12cm
Photocatalysis experiment is carried out under (300W xenon lamps), takes supernatant at regular intervals in the maximum absorption wave strong point of rhodamine B (RhB)
(554nm) surveys its absorbance, altogether illumination reaction 50min, and acquired results are as shown in Figure 1.
The g-C of subordinate list 13N4Nano material 1-4 specific surface area, pore-size distribution
| Sample | Specific surface area BET (m2/g) | Aperture (nm) | Pore volume (cm3/g) |
| g-C3N4Nano material 1 | 220.2 | 15.5 | 0.894 |
| g-C3N4Nano material 2 | 230.8 | 10.9 | 1.137 |
| g-C3N4Nano material 3 | 148.9 | 12.1 | 0.449 |
| g-C3N4Nano material 4 | 240.1 | 9.2 | 1.245 |
Any person skilled in the art, without departing from the scope of the present invention, taken off when using above-mentioned
The technology contents shown make a little change or are modified to the equivalent embodiment of equivalent variations, as long as being without departing from the technology of the present invention side
The content of case, any simple modification, equivalent change and modification that the technical spirit according to the present invention is made to above example,
In the range of still falling within technical solution of the present invention.
Claims (1)
- A kind of 1. high activity large-specific surface area nano laminated structure g-C3N4The preparation method of catalysis material, it is characterised in that step It is rapid as follows：(1) 4g melamines are dried into 24h through 60 DEG C, be dissolved in 10 ml deionized waters or acetic acid, it is uniform through ultrasonic mixing；(2) 3 milliliters, 4 milliliters or 5 milliliters of 60%HNO3 solution is taken to stir, pasted in step (1) mixed solution Shape melamine nitrate；(3) melamine nitrate obtained by step (2) is placed in covered crucible, is put into and has warmed up 190-200 DEG C of Muffle In stove；Then Muffle furnace is warming up to 500 DEG C with 10 DEG C/min heating rate, keeps 2h at such a temperature, then by crucible Natural cooling is taken out immediately, obtains light yellow high surface area flaky nanometer structure g-C3N4Material.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109433246A (en) * | 2018-12-26 | 2019-03-08 | 台州学院 | Nanometer sheet C containing carbon vacancy3N4Photochemical catalyst and preparation method |
| RU2690810C1 (en) * | 2018-10-05 | 2019-06-05 | Федеральное государственное бюджетное учреждение науки Научно-технологический центр уникального приборостроения Российской академии наук (НТЦ УП РАН) | Method of producing carbon nitride having an abnormally high level of fluorescence under the action of visible laser radiation |
| CN110075906A (en) * | 2019-06-11 | 2019-08-02 | 北华大学 | A kind of curly g-C3N4And preparation method and purposes |
| CN111250135A (en) * | 2020-02-17 | 2020-06-09 | 燕山大学 | Graphite-phase carbon nitride nanosheet material and preparation method and application thereof |
| CN116425127A (en) * | 2023-04-18 | 2023-07-14 | 鲁东大学 | g-C 3 N 4 Photocatalyst and preparation method thereof |
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