CN109248705A - The preparation method and application of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping - Google Patents
The preparation method and application of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping Download PDFInfo
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- CN109248705A CN109248705A CN201811199682.8A CN201811199682A CN109248705A CN 109248705 A CN109248705 A CN 109248705A CN 201811199682 A CN201811199682 A CN 201811199682A CN 109248705 A CN109248705 A CN 109248705A
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 35
- 239000011574 phosphorus Substances 0.000 title claims abstract description 35
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 18
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 229920000388 Polyphosphate Polymers 0.000 claims abstract description 11
- 239000001205 polyphosphate Substances 0.000 claims abstract description 11
- 235000011176 polyphosphates Nutrition 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000000975 dye Substances 0.000 claims abstract description 7
- 239000002243 precursor Substances 0.000 claims abstract description 6
- 239000002351 wastewater Substances 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 235000019441 ethanol Nutrition 0.000 claims description 8
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000003054 catalyst Substances 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004202 carbamide Substances 0.000 claims description 4
- 230000000593 degrading effect Effects 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 150000001875 compounds Chemical class 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 230000003197 catalytic effect Effects 0.000 description 4
- KVBCYCWRDBDGBG-UHFFFAOYSA-N azane;dihydrofluoride Chemical compound [NH4+].F.[F-] KVBCYCWRDBDGBG-UHFFFAOYSA-N 0.000 description 3
- 238000006068 polycondensation reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910017665 NH4HF2 Inorganic materials 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 125000004437 phosphorous atom Chemical group 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 1
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- CQPFMGBJSMSXLP-UHFFFAOYSA-M acid orange 7 Chemical compound [Na+].OC1=CC=C2C=CC=CC2=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 CQPFMGBJSMSXLP-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- TVHALOSDPLTTSR-UHFFFAOYSA-H hexasodium;[oxido-[oxido(phosphonatooxy)phosphoryl]oxyphosphoryl] phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O TVHALOSDPLTTSR-UHFFFAOYSA-H 0.000 description 1
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009941 weaving Methods 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—
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
-
- 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
Abstract
The invention belongs to photocatalyst technology fields, it is related to a kind of preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping, it include: to mix graphite-like carbon nitride precursor, melamine polyphosphate and hard mould agent 6~20:1:4 in mass ratio~20, then air atmosphere is in 500~650 DEG C of 2~3.5h of heating, 12~36h is stirred in template agent removing again, is rinsed well, 80~130 DEG C of drying, be milled to powder to get.The present invention by the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping obtained be applied to waste water in dyestuff visible light under degrade.Preparation process condition of the present invention is simple, by the modification to conventional nitridation carbon, achievees the purpose that efficient rapid photocatalytic degradation of dye.The compound used in synthesis process is cheap, will not generate secondary pollution.The present invention solve traditional carbonitride there are low specific surface area, defect concentration is high and Photoinduced Electron to it is compound fast the problems such as, and preparation process is simple, is with a wide range of applications.
Description
Technical field
The invention belongs to photocatalyst technology field, it is related to mesoporous graphite-like carbon nitride photocatalyst, more particularly to a kind of
The preparation method and application of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping.
Background technique
In recent years, synthetic dyestuffs are widely used in the industries such as weaving, papermaking, printing, produce a large amount of dyeing waste water, place
Manage improper can cause serious harm to ecological environment.Most of dyestuffs and its catabolite are accredited as noxious material, even
It is carcinogenic, seriously threaten the health of the mankind.Common treatment method of printing and dying wastewater mainly includes bioanalysis, physical method and chemistry
Method, these traditional processing methods can not reach good treatment effect.Compared with traditional processing method, photocatalytic method tool
Have high catalytic efficiency, low energy consumption and stability is strong, and degrades thoroughly, many advantages, such as not generating secondary pollution, has extensive
Application prospect.
Common photochemical catalyst only just has catalytic activity under ultraviolet light, and which has limited its use scopes, therefore
Seek effective catalyst under visible light with catalytic activity, just there is broad prospect of application.Carbonitride is a kind of novel
Nonmetallic visible-light photocatalyst has unique semiconductor energy band structure and excellent chemical stability, however traditional nitrogen
Changing carbon has the shortcomings that low specific surface area, defect concentration height and Photoinduced Electron to compound fast, and catalytic efficiency is often lower.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is disclose a kind of mesoporous graphite-like of phosphorus doping
The preparation method of carbon nitride photocatalyst.
Technical solution:
A kind of preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping, includes the following steps:
A) graphite-like carbon nitride precursor, melamine polyphosphate and hard mould agent 6~20:1:4~20 in mass ratio are mixed
It closes, preferably 10:1:8, sufficiently mill 0.5~2h, obtains mixture；
B) mixture is placed in Muffle furnace, air atmosphere in 500~650 DEG C of heating 2~3.5h, preferably 550 DEG C heating 3.0h,
Heating rate is 2~4 DEG C of min-1, it is cooled to room temperature, is crushed into powder；
C) powder is stirred to 12~36h in template agent removing, stirring rate is 100~300r min-1, preferably stir for 24 hours, stir
Mix rate 150r min-1；
D) obtained material is successively rinsed well with water, ethyl alcohol, 80~130 DEG C of drying are milled to powder, obtain Jie of phosphorus doping
Hole graphite-like carbonitride.
In the more excellent disclosed example of the present invention, graphite-like carbon nitride precursor described in step a) be melamine, urea or thiocarbamide,
It is preferred that melamine.
In the more excellent disclosed example of the present invention, hard mould agent described in step a) is SBA-15 or KIT-6, preferably SBA-15.
In the more excellent disclosed example of the present invention, template agent removing described in step c) is NaOH or NH4HF2, preferably NH4HF2。
The mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping made from the method according to the present invention, occurs at high temperature
Thermal polycondensation reaction is prepared, pattern be rod-shaped, 5~15nm of diameter, 0.5~2.5 μm of length.
The present invention prepares photochemical catalyst using thermal polycondensation process, and presoma and melamine polyphosphate be first in preparation process
It is poured into hard template, polymerize under high temperature, when being heated to 390 DEG C, be polycondensed into the structural base member 3-s- tri- of carbonitride
Piperazine, after temperature is higher than 500 DEG C, the be heated further polycondensation of 3-s- triazine generates graphite-like carbonitride, due to melamine and three
Poly cyanamid Quadrafos is with similar chemical structure, in the structure for being easy to for P elements being introduced into graphite-like carbonitride, doping
Phosphorus atoms can successfully replace carbon atom.
A further object of the invention is to answer the mesoporous graphite-like carbon nitride photocatalyst of obtained phosphorus doping
For degrading under the dyestuff visible light in waste water.
The waste water of removal 5R containing brilliant ponceau, methylene blue, acid black (I) and acid orange (II), knot are simulated by experiment
Fruit shows that when dye strength be 25mg/L, when adding 20mg photochemical catalyst in 50mL solution, under the irradiation of visible light, and four
Kind dyestuff is degradable in 30min, provides reliable theory and practice support for practical application.
The invention has the characteristics that
(1) visible light catalyst that the present invention synthesizes, due to preparing with even mesoporous carbonitride using hard template method,
Specific surface area is improved significantly, and enhances light-catalysed selectivity and activity；
(2) visible light catalyst that the present invention synthesizes enhances electricity by replacing carbon atom with phosphorus atoms in heterocyclic system
Lotus transfer efficiency has been obviously improved the ability of its photocatalysis degradation organic contaminant；
(3) the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping provided by the invention, preparation process is simple, at low cost, catalysis
Agent is high-efficient, function admirable of living again, and is with a wide range of applications.
Agents useful for same of the present invention is commercially available.
Beneficial effect
The present invention discloses a kind of preparation method and application of the mesoporous graphite-like carbonitride catalysis material of phosphorus doping.Material preparation
Process experiment condition is simple, by the modification to conventional nitridation carbon, achievees the purpose that efficient rapid photocatalytic degradation of dye.Entirely
The compound used in synthesis process is cheap, and experimental implementation is easy, will not generate secondary pollution.The present invention solves
Traditional carbonitride is there are low specific surface area, defect concentration is high and Photoinduced Electron to it is compound fast the problems such as, and preparation process letter
It is single, it is with a wide range of applications.
Detailed description of the invention
Fig. 1 is the scanning electron microscope diagram (SEM) of the mesoporous graphite-like carbonitride of synthesized phosphorus doping.
Specific embodiment
The following describes the present invention in detail with reference to examples, so that those skilled in the art more fully understand this hair
It is bright, but the invention is not limited to following embodiments.
Unless otherwise defined, term (including scientific and technical terminology) used herein above should be construed as having as belonging to the present invention
The identical meaning that those skilled in the art are commonly understood by.It will also be understood that term used herein above should be explained
To have the meaning consistent with their meanings in the content of this specification and the relevant technologies, and should not be with idealization
Or excessive form is explained, unless expressly so limiting here.
Embodiment 1
A kind of preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping, includes the following steps:
A) urea, melamine polyphosphate and SBA-15 6:1:4 in mass ratio are mixed and is sufficiently milled 0.5h；
B) mixture that step a) obtains is placed in Muffle furnace, in 500 DEG C of heat treatment 3.5h under air, heating rate is 2 DEG C
min-1, it is cooled to room temperature, is sufficiently milled to powder；
C) material that step b) obtains is stirred into 12h in sodium hydroxide, stirring rate is 100r min-1；
D) material with water for obtaining step c) rinses twice, is rinsed once with ethyl alcohol, then dries at 80 DEG C, sufficiently mill
To powder, the mesoporous graphite-like carbonitride of phosphorus doping is obtained.
Embodiment 2
A kind of preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping, includes the following steps:
A) melamine, melamine polyphosphate and SBA-15 10:1:8 in mass ratio are mixed and is sufficiently milled 1h；
B) mixture that step a) obtains is placed in Muffle furnace, [L1] 550 DEG C of heat treatment 2.5h, heating rate 3 under air
℃•min-1, it is cooled to room temperature, is sufficiently milled to powder；
C) material that step b) obtains is stirred for 24 hours in sodium hydroxide, stirring rate is 150r min-1；
D) material with water for obtaining step c) rinses twice, is rinsed once with ethyl alcohol, then dries at 90 DEG C, sufficiently mill
To powder, the mesoporous graphite-like carbonitride of phosphorus doping is obtained.
Embodiment 3
A kind of preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping, includes the following steps:
A) thiocarbamide, melamine polyphosphate and KIT-6 20:1:20 in mass ratio are mixed and is sufficiently milled 1.5h；
B) mixture that step a) obtains is placed in Muffle furnace, in 600 DEG C of heat treatment 2.0h under air, heating rate is 4 DEG C
min-1, it is cooled to room temperature to material, is sufficiently milled to powder；
C) material that step b) obtains is stirred into 36h in ammonium acid fluoride, stirring rate is 200r min-1；
D) material with water for obtaining step c) rinses twice, is rinsed once with ethyl alcohol, is then dried at 100 DEG C, sufficiently grinds
It is milled to powder, obtains the mesoporous graphite-like carbonitride of phosphorus doping.
Embodiment 4
A kind of preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping, includes the following steps:
A) urea, melamine polyphosphate and SBA-15 20:1:20 in mass ratio are mixed and is sufficiently milled 1h；
B) mixture that step a) obtains is placed in Muffle furnace, [L2] 550 DEG C of heat treatment 3.0h, heating rate 3 under air
℃•min-1, it is cooled to room temperature, is sufficiently milled to powder；
C) material that step b) obtains is stirred for 24 hours in ammonium acid fluoride, stirring rate is 250r min-1；
D) material with water for obtaining step c) rinses twice, is rinsed once with ethyl alcohol, is then dried at 110 DEG C, sufficiently grinds
It is milled to powder, obtains the mesoporous graphite-like carbonitride of phosphorus doping.
Embodiment 5
A kind of preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping, includes the following steps:
A) melamine, melamine polyphosphate and KIT-6 12:1:10 in mass ratio are mixed and is sufficiently milled 0.5h；
B) mixture that step a) obtains is placed in Muffle furnace, [L3] 500 DEG C of heat treatment 3.5h, heating rate 4 under air
℃•min-1, it is cooled to room temperature, is sufficiently milled to powder；
C) material that step b) obtains is stirred into 36h in ammonium acid fluoride, stirring rate is 300r min-1；
D) material with water for obtaining step c) rinses twice, is rinsed once with ethyl alcohol, is then dried at 130 DEG C, sufficiently grinds
It is milled to powder, obtains the mesoporous graphite-like carbonitride of phosphorus doping.
Embodiment 6
A kind of preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping, includes the following steps:
A) thiocarbamide, melamine polyphosphate and SBA-15 15:1:10 in mass ratio are mixed and is sufficiently milled 1h；
B) mixture that step a) obtains is placed in Muffle furnace, in 550 DEG C of heat treatment 2.0h under air, heating rate is 3 DEG C
min-1, it is cooled to room temperature, is sufficiently milled to powder；
C) material that step b) obtains is stirred into 12h in sodium hydroxide, stirring rate is 200r min-1；
D) material with water for obtaining step c) rinses twice, is rinsed once with ethyl alcohol, is then dried at 120 DEG C, sufficiently grinds
It is milled to powder, obtains the mesoporous graphite-like carbonitride of phosphorus doping.
Attached drawing is the mesoporous graphite-like carbonitride of phosphorus doping obtained by embodiment 1, the hard template used in synthesis process
For SBA-15, as can be observed from Figure material mainly in the form of rod-shaped existing for, this is similar with SBA-15 form, before explanation
It drives body to be successfully poured into inside template, has apparent difference with the pure graphite-like carbonitride of sheet.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (9)
1. a kind of preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping, which comprises the steps of:
A) graphite-like carbon nitride precursor, melamine polyphosphate and hard mould agent 6~20:1:4~20 in mass ratio are mixed
It closes, sufficiently mill 0.5~2h, obtains mixture；
B) mixture is placed in Muffle furnace, for air atmosphere in 500~650 DEG C of 2~3.5h of heating, heating rate is 2~4 DEG C
min-1, it is cooled to room temperature, is crushed into powder；
C) powder is stirred to 12~36h in template agent removing, stirring rate is 100~300r min-1；
D) obtained material is successively rinsed well with water, ethyl alcohol, 80~130 DEG C drying, be milled to powder to get.
2. the preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping according to claim 1, it is characterised in that: step
A) the graphite-like carbon nitride precursor, melamine polyphosphate and hard mould agent 10:1:8 in mass ratio mixing.
3. the preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping according to claim 1, it is characterised in that: step
A) the graphite-like carbon nitride precursor is melamine, urea or thiocarbamide, preferably melamine.
4. the preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping according to claim 1, it is characterised in that: step
A) hard mould agent is SBA-15 or KIT-6, preferably SBA-15.
5. the preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping according to claim 1, it is characterised in that: step
B) described that mixture is placed in Muffle furnace, air atmosphere is in 550 DEG C of heating 3.0h.
6. the preparation method of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping according to claim 1, it is characterised in that: step
C) described to stir powder in template agent removing for 24 hours, stirring rate is 150r min-1。
7. according to the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping made from any the method for the claims 1-6.
8. the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping according to claim 7, it is characterised in that: the catalyst
Pattern be rod-shaped, 5~15nm of diameter, 0.5~2.5 μm of length.
9. a kind of application of the mesoporous graphite-like carbon nitride photocatalyst of phosphorus doping as claimed in claim 7, it is characterised in that: answer
For degrading under the dyestuff visible light in waste water.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985652A (en) * | 2019-04-11 | 2019-07-09 | 中国海洋大学 | A kind of photochemical catalyst and preparation method thereof, application |
| CN110142061A (en) * | 2019-07-09 | 2019-08-20 | 华东交通大学 | Hud typed P-CoFe2O4The preparation method and applications of@GCN photochemical catalyst |
| CN110224149A (en) * | 2019-05-31 | 2019-09-10 | 东华大学 | A kind of nano carbon composite material is palladium catalyst and its preparation and the application of carrier |
| CN110560128A (en) * | 2019-09-10 | 2019-12-13 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of phosphorus-doped carbon nitride |
| CN110694660A (en) * | 2019-10-11 | 2020-01-17 | 力行氢能科技股份有限公司 | Heterogeneous element doped carbon nitride photocatalytic material and preparation method and application thereof |
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| CN110560128B (en) * | 2019-09-10 | 2022-04-05 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of phosphorus-doped carbon nitride |
| CN110694660A (en) * | 2019-10-11 | 2020-01-17 | 力行氢能科技股份有限公司 | Heterogeneous element doped carbon nitride photocatalytic material and preparation method and application thereof |
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