CN108584892A - A kind of preparation method and applications of crystalline phase azotized carbon nano particle - Google Patents
A kind of preparation method and applications of crystalline phase azotized carbon nano particle Download PDFInfo
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- CN108584892A CN108584892A CN201810386764.7A CN201810386764A CN108584892A CN 108584892 A CN108584892 A CN 108584892A CN 201810386764 A CN201810386764 A CN 201810386764A CN 108584892 A CN108584892 A CN 108584892A
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- 239000011852 carbon nanoparticle Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims abstract description 22
- 150000003839 salts Chemical class 0.000 claims abstract description 21
- 238000001354 calcination Methods 0.000 claims abstract description 10
- 239000002105 nanoparticle Substances 0.000 claims abstract description 8
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 6
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000007864 aqueous solution Substances 0.000 claims abstract description 5
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004202 carbamide Substances 0.000 claims abstract description 4
- 238000006471 dimerization reaction Methods 0.000 claims abstract description 4
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 claims abstract description 3
- -1 thiocyanic acid amine Chemical class 0.000 claims abstract description 3
- 239000000843 powder Substances 0.000 claims description 13
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical group [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 claims description 12
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 10
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 claims description 5
- 239000001103 potassium chloride Substances 0.000 claims description 5
- 235000011164 potassium chloride Nutrition 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 238000000295 emission spectrum Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims 2
- 238000000354 decomposition reaction Methods 0.000 claims 1
- 230000001699 photocatalysis Effects 0.000 claims 1
- 238000007146 photocatalysis Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003384 imaging method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000010409 thin film Substances 0.000 abstract description 3
- 239000002086 nanomaterial Substances 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000502 dialysis Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000967 suction filtration Methods 0.000 description 2
- 238000012719 thermal polymerization Methods 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 238000001237 Raman spectrum Methods 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000002189 fluorescence spectrum Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 125000004193 piperazinyl group Chemical group 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
- C01B21/0605—Binary compounds of nitrogen with carbon
-
- 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
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/04—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
- C01B3/042—Decomposition of water
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/01—Crystal-structural characteristics depicted by a TEM-image
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/82—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by IR- or Raman-data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The invention discloses a kind of preparation method and applications of crystalline phase azotized carbon nano particle, belong to field of material preparation.With cyanamide, cyanamid dimerization, melamine, thiocyanic acid amine, thiocarbamide, urea etc. for presoma, body phase carbon nitride is generated through calcining, then it is calcined after body phase carbon nitride being mixed with fused salt and generates crystalline phase carbonitride, again through aqueous slkali reflow treatment after removing fused salt, obtain crystalline phase azotized carbon nano particle.Azotized carbon nano particle prepared by the present invention is amorphous material, has nano-scale particle sizes, is uniformly distributed and is stabilized in aqueous solution.Present invention process is simple, at low cost, meets needs of production, has larger application potential in nano material, solar cell, sensor, bio-imaging and thin-film device manufacture etc..
Description
Technical field
The invention belongs to field of material preparation, and in particular to a kind of preparation method of crystalline phase azotized carbon nano particle and its answer
With.
Background technology
Carbonitride（Carbon Nitride）People have been caused as a kind of metal-free environmentally friendly material
Broad interest, in photolysis water hydrogen gas（Nat. Mater. 2009, 8, 76）, light degradation organic pollution (Adv.
Mater. 2009,21,1609), organic photosynthetic is at (J. Am. Chem. Soc. 2010,132,16299) and thin
Membrane module（Angew. Chem. 2015, 127, 6395）Solar cell（J. Am. Chem. Soc., 2014, 136,
13486）, Light-Emitting Diode（Adv. Opt. Mater., 2015, 3, 913）, sensor（Angew. Chem., Int.
Ed. 2010, 49, 9706）And bio-imaging（Angew. Chem. 2016, 128, 3736）Etc. obtained it is extensive
Research.But carbonitride prepared by conventional method is block structure, that there are particles is larger, polymerization not exclusively, crystallinity it is relatively low,
The problems such as film forming is difficult, limits the application prospect of carbon nitride material.
Invention content
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of preparation side of crystalline phase azotized carbon nano particle
Method and its application.Azotized carbon nano particle prepared by the present invention is amorphous material, has nano-scale particle sizes, in aqueous solution
In be uniformly distributed and be stabilized.Present invention process is simple, at low cost, meets needs of production, in nano material, solar energy
Battery, sensor, bio-imaging and thin-film device manufacture etc. have larger application potential.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of preparation method of crystalline phase azotized carbon nano particle：Using carboritride as presoma, generates body through calcining and mutually nitrogenize
Carbon, after then body phase carbon nitride is mixed with fused salt calcining generate crystalline phase carbonitride, remove fused salt after again through aqueous slkali reflux at
Reason, obtains crystalline phase azotized carbon nano particle.
The preparation method of the crystalline phase azotized carbon nano particle, the specific steps are：
（1）By presoma under air or nitrogen atmosphere, 400-600 DEG C of calcining 2-6h, body phase carbon nitride is obtained；
（2）By step（1）Obtained body phase carbon nitride and fused salt ground and mixed is uniform；
（3）By step（2）Obtained mixture generates crystalline phase nitridation under air or nitrogen atmosphere, 500-600 DEG C of calcining 2-6h
Carbon；
（4）By step（3）Obtained crystalline phase carbonitride removes fused salt；
（5）By step（4）Obtained solid powder is flowed back in aqueous slkali after 6-12h, is removed aqueous slkali, is obtained crystalline phase carbonitride
Nano particle.
The presoma includes one kind in cyanamide, cyanamid dimerization, melamine, thiocyanic acid amine, thiocarbamide, urea.
The fused salt is lithium chloride or lithium bromide；Or the mixture for potassium chloride and lithium chloride；Or it is bromination
The mixture of potassium and lithium bromide；In the fused salt, the mass ratio of sylvite and lithium salts is：40-50:40-50.
Step（2）The mass ratio of middle body phase carbon nitride and fused salt is：1-10:100.
Step（4）The removing fused salt is：By step（3）Obtained crystalline phase carbonitride ultrasonic disperse in water removes
It is dried after aqueous solution, obtains solid powder.
Crystalline phase azotized carbon nano particle made from a kind of preparation method as described above, grain size exist in 2 ~ 6nm, emission spectrum
440nm。
A kind of application of crystalline phase azotized carbon nano particle as described above：For photochemical catalyzing hydrogen making.
The remarkable advantage of the present invention is：
Nitridation carbon particle prepared by the present invention is amorphous material, has nano-scale particle sizes, is uniformly distributed in aqueous solution
And it is stabilized.Entire production process is simply easily controllable, and low energy consumption, at low cost, meets needs of production, in nanometer
Material, solar cell, sensor, bio-imaging and thin-film device manufacture etc. have larger application potential.
Description of the drawings
Fig. 1 is the Fourier transform infrared spectroscopy figure of the crystalline phase azotized carbon nano particle of 1 gained of embodiment；
Fig. 2 is the Raman spectrogram of the crystalline phase azotized carbon nano particle of 1 gained of embodiment；
Fig. 3 is the fluorescence emission spectrum of the crystalline phase azotized carbon nano particle of 2 gained of embodiment；
Fig. 4 is the transmission electron microscope picture of the crystalline phase azotized carbon nano particle of 2 gained of embodiment；
Fig. 5 is the high-resolution-ration transmission electric-lens figure of the crystalline phase azotized carbon nano particle of 2 gained of embodiment；
Fig. 6 is the body phase carbon nitride that the crystalline phase azotized carbon nano particle of 2 gained of embodiment is prepared with direct thermal polymerization melamine
Active comparison diagram.
Specific implementation mode
It is several embodiments of the present invention below, further illustrates the present invention, but the present invention is not limited only to this.
Embodiment 1
2g cyanamid dimerizations are weighed first to be placed into the alumina crucible containing lid, are forged under the conditions of air atmosphere, temperature are 400 DEG C
Burn 2h.Sample is taken out after natural cooling to be ground into powder, and obtains body phase carbon nitride powder.Weigh 0.5g body phase carbon nitride powder
With 20g fused salts（The mixture of potassium chloride and lithium chloride）Grinding is uniform, calcines 2h at nitrogen atmosphere, 600 DEG C, after natural cooling
Obtained solid ultrasonic disperse in water dries after suction filtration, obtains crystalline phase carbonitride.0.2g crystalline phase carbonitrides are weighed, in 100mL
Dialysis removes supernatant after reflux 12h in 0.1M sodium hydroxide solutions, obtains crystalline phase azotized carbon nano particle.
Embodiment 2
4g melamines are weighed first to be placed into the alumina crucible containing lid, are forged under the conditions of nitrogen atmosphere, temperature are 500 DEG C
Burn 4h.Sample is taken out after natural cooling to be ground into powder, and obtains body phase carbon nitride powder.Weigh 0.2g body phase carbon nitride powder
With 20g fused salts（The mixture of potassium bromide and lithium bromide）Grinding is uniform, and 2h, natural cooling are calcined at nitrogen atmosphere, 500 DEG C
The solid obtained afterwards ultrasonic disperse in water, dries after being centrifuged off supernatant, obtains crystalline phase carbonitride.Weigh 0.2g crystalline phase nitrogen
Change carbon, is centrifuged off supernatant after flowing back 12 hours in 100mL 0.1M potassium hydroxide solutions, obtains crystalline phase azotized carbon nano
Particle.
Embodiment 3
20g urea is weighed first to be placed into the alumina crucible containing lid, is calcined under the conditions of air atmosphere, temperature are 400 DEG C
4h.Sample is taken out after natural cooling to be ground into powder, and obtains body phase carbon nitride powder.Weigh 2g body phase carbon nitride powder with
20g fused salts（The mixture of potassium chloride and lithium chloride）Grinding is uniform, and 2h is calcined at nitrogen atmosphere, 600 DEG C, after natural cooling
The solid arrived ultrasonic disperse in water dries after suction filtration, obtains crystalline phase carbonitride.0.2g crystalline phase carbonitrides are weighed, in 100mL
Dialysis removes aqueous slkali after reflux 12h in 0.1M sodium hydroxide solutions, obtains crystalline phase azotized carbon nano particle.
Fig. 1 is the Fourier transform infrared spectroscopy figure of the crystalline phase carbonitride light nano particle of 1 gained of embodiment.In figure
800cm-1With 1000 ~ 1700cm-1The signal in section corresponds respectively to flexible the shaking of the breathing vibration and armaticity CN heterocycles of piperazine ring
It is dynamic.
Fig. 2 is the Raman spectrum of the crystalline phase azotized carbon nano particle of 1 gained of embodiment.1100 ~ 1700cm in figure-1It is not right
The C-N stretching vibrations of title.
The fluorescence emission spectrogram of compound of the crystalline phase azotized carbon nano particle of 2 gained of the positions Fig. 3 embodiment, fluorescence emission peak are located at
Near 440nm.
Fig. 4 is the transmission electron microscope picture of the crystalline phase azotized carbon nano particle of 2 gained of embodiment.As can be seen from the figure prepared
Crystalline phase carbonitride have nano-scale particle sizes, grain size is in 2 ~ 6nm.
Fig. 5 is the high-resolution-ration transmission electric-lens figure of the crystalline phase azotized carbon nano particle of 2 gained of embodiment.As we can see from the figure
Apparent lattice fringe, lattice fringe spacing are 0.36nm, illustrate that it is amorphous material.
Fig. 6 is the body phase nitrogen that the crystalline phase azotized carbon nano particle of 2 gained of embodiment is prepared with direct thermal polymerization melamine
Change the active comparison diagram of carbon.It can be seen from the figure that relative to body phase carbon nitride, the hydrogen-producing speed of crystalline phase azotized carbon nano particle
Improve about 3.5 times.
The foregoing is merely presently preferred embodiments of the present invention, all precursor types done according to scope of the present invention patent
And its variation of dosage, the variation of the type, mixed proportion and dosage of fused salt, the variation of the type, concentration and dosage of aqueous slkali,
The variation of calcination temperature and atmosphere should all belong to the covering scope of the present invention.
Claims (8)
1. a kind of preparation method of crystalline phase azotized carbon nano particle, it is characterised in that：Using carboritride as presoma, through calcining
Body phase carbon nitride is generated, calcining generation crystalline phase carbonitride, passes through again after removing fused salt after then mixing body phase carbon nitride with fused salt
Aqueous slkali reflow treatment obtains crystalline phase azotized carbon nano particle.
2. the preparation method of crystalline phase azotized carbon nano particle according to claim 1, it is characterised in that：The specific steps are：
（1）By presoma under air or nitrogen atmosphere, 400-600 DEG C of calcining 2-6h, body phase carbon nitride is obtained；
（2）By step（1）Obtained body phase carbon nitride and fused salt ground and mixed is uniform；
（3）By step（2）Obtained mixture generates crystalline phase nitridation under air or nitrogen atmosphere, 500-600 DEG C of calcining 2-6h
Carbon；
（4）By step（3）Obtained crystalline phase carbonitride removes fused salt；
（5）By step（4）Obtained solid powder is flowed back in aqueous slkali after 6-12h, is removed aqueous slkali, is obtained crystalline phase carbonitride
Nano particle.
3. the preparation method of crystalline phase azotized carbon nano particle according to claim 1 or 2, it is characterised in that：Before described
It includes one kind in cyanamide, cyanamid dimerization, melamine, thiocyanic acid amine, thiocarbamide, urea to drive body.
4. the preparation method of crystalline phase azotized carbon nano particle according to claim 1 or 2, it is characterised in that：Described is molten
Salt is lithium chloride or lithium bromide；Or the mixture for potassium chloride and lithium chloride；Or the mixing for potassium bromide and lithium bromide
Object.
5. the preparation method of crystalline phase azotized carbon nano particle according to claim 2, it is characterised in that：Step（2）Middle body
The mass ratio of phase carbon nitride and fused salt is：1-10:100.
6. the preparation method of crystalline phase azotized carbon nano particle according to claim 2, it is characterised in that：Step（4）It is described
Removing fused salt be：By step（3）Obtained crystalline phase carbonitride ultrasonic disperse in water is dried after removing aqueous solution, consolidate
Body powder.
7. crystalline phase azotized carbon nano particle made from a kind of preparation method as claimed in claim 1 or 2, it is characterised in that：It is brilliant
The grain size of phase carbon nitride nano particle is in 2 ~ 6nm, and emission spectrum is in 440nm.
8. a kind of application of crystalline phase azotized carbon nano particle as claimed in claim 7, it is characterised in that：For photocatalysis Decomposition
Water hydrogen making.
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| CN109794277A (en) * | 2019-01-30 | 2019-05-24 | 扬州工业职业技术学院 | A kind of ceria/graphite phase carbon nitride composite material and its application in photocatalysis |
| CN109985654A (en) * | 2019-04-26 | 2019-07-09 | 福州大学 | A kind of carbon nitride catalyst and its preparation method and application of alkali metal ion modification |
| CN110947405A (en) * | 2019-11-08 | 2020-04-03 | 武汉科技大学 | Regularly arranged g-C3N4Nanotube catalyst and method for preparing the same |
| CN111762764A (en) * | 2020-01-15 | 2020-10-13 | 山东大学 | Carbon nitride material prepared by using cage-type polysilsesquioxane as template and preparation method and application thereof |
| CN112076776A (en) * | 2020-09-22 | 2020-12-15 | 福州大学 | Protonated carbon nitrides for selective photocatalytic oxidation of alcohols to esters and uses thereof |
| CN112473713A (en) * | 2020-11-26 | 2021-03-12 | 南开大学 | Sulfur-doped crystalline carbon nitride for producing hydrogen by photocatalytic decomposition of water and preparation method and application thereof |
| CN112844437A (en) * | 2021-02-03 | 2021-05-28 | 中山大学 | Preparation method of high-crystalline carbon nitride photo-Fenton catalyst and application of high-crystalline carbon nitride photo-Fenton catalyst in degradation of emerging pollutants |
| CN114558606A (en) * | 2022-02-28 | 2022-05-31 | 中国科学院西北生态环境资源研究院 | Catalyst for extracting and separating uranium from uranium-containing wastewater or seawater and application thereof |
| CN114763259A (en) * | 2021-02-02 | 2022-07-19 | 天津大学 | Method for preparing carbon nitride film coating on substrate surface by laser ablation method and application thereof |
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| CN111762764A (en) * | 2020-01-15 | 2020-10-13 | 山东大学 | Carbon nitride material prepared by using cage-type polysilsesquioxane as template and preparation method and application thereof |
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| CN112076776A (en) * | 2020-09-22 | 2020-12-15 | 福州大学 | Protonated carbon nitrides for selective photocatalytic oxidation of alcohols to esters and uses thereof |
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| CN114763259B (en) * | 2021-02-02 | 2023-07-25 | 天津大学 | Method for preparing carbon nitride film coating on substrate surface by laser ablation method and application thereof |
| CN112844437A (en) * | 2021-02-03 | 2021-05-28 | 中山大学 | Preparation method of high-crystalline carbon nitride photo-Fenton catalyst and application of high-crystalline carbon nitride photo-Fenton catalyst in degradation of emerging pollutants |
| CN114558606A (en) * | 2022-02-28 | 2022-05-31 | 中国科学院西北生态环境资源研究院 | Catalyst for extracting and separating uranium from uranium-containing wastewater or seawater and application thereof |
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