CN113275030A - Preparation method of ordered mesoporous carbon and carbon nitride composite material - Google Patents
Preparation method of ordered mesoporous carbon and carbon nitride composite material Download PDFInfo
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- 239000002131 composite material Substances 0.000 title claims abstract description 36
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 title claims abstract description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 12
- 239000008367 deionised water Substances 0.000 claims abstract description 11
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 11
- 238000000227 grinding Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 6
- 238000001354 calcination Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims abstract description 6
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 8
- 239000011246 composite particle Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 5
- 229930006000 Sucrose Natural products 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 238000005470 impregnation Methods 0.000 claims description 5
- 239000005720 sucrose Substances 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 239000012298 atmosphere Substances 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052754 neon Inorganic materials 0.000 claims description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000032900 absorption of visible light Effects 0.000 abstract description 2
- 238000011068 loading method Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract 1
- 230000001699 photocatalysis Effects 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000011941 photocatalyst Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 238000003917 TEM image Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
-
- B01J35/39—
-
- 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
-
- 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
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
-
- 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
- B01J37/082—Decomposition and pyrolysis
-
- 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
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- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
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- 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
- C02F2101/34—Organic compounds containing oxygen
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- 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
- C02F2101/36—Organic compounds containing halogen
-
- 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
- C02F2101/38—Organic compounds containing nitrogen
-
- 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 discloses a preparation method of an ordered mesoporous carbon and carbon nitride composite material, which specifically comprises the following steps: mixing a certain amount ofDispersing C/SBA-15 and melamine in deionized water, stirring for 2h, and drying the solution at 50 ℃ to obtain a solid; then calcining the solid in a muffle furnace for 2 hours at two temperatures respectively, cooling to room temperature, and grinding to powder; finally, hydrofluoric acid with certain concentration is used for treating for 24 hours, and then OMC/gC is successfully prepared by filtering, washing and drying3N4A composite material. The preparation method of the ordered mesoporous carbon and carbon nitride composite material comprises the step of loading OMC on a lamellar structure g-C3N4The surface of the material has larger specific surface area, stronger absorption of visible light and better separation effect of photogenerated electrons and holes.
Description
Technical Field
The invention relates to the technical field of photocatalyst material preparation, in particular to a preparation method of an ordered mesoporous carbon and carbon nitride composite material.
Background
g-C3N4The material has the advantages of response to visible light, good thermal stability and chemical stability, no toxicity, low cost, easy preparation and the like by virtue of the narrow forbidden band width, and is concerned by researchers in various countries. However, g-C of a single phase3N4The generated photo-generated electrons and holes are easy to recombine, and the photo-catalytic activity is not high due to the low specific surface area, so that the photo-catalytic activity is difficult to meet the practical application. Therefore, to increase g-C3N4Photocatalytic activity of (1), the students at home and abroad are right for g-C3N4A great deal of modification work is carried out, for example, g-C with mesoporous structure is prepared by using a soft and hard template method3N4Increase the specific surface area to g-C3N4Carrying out doping modification of metal ions or nonmetals to obtain g-C3N4Compounding with other semiconductor material to form composite photocatalyst and preparing g-C in different shapes3N4And so on. Among them, the composite photocatalyst prepared by compounding with semiconductor materials is the most common modification means. When g-C3N4After being compounded with other semiconductors, photo-generated electrons and holes can be rapidly separated by means of complementary potentials, quantum efficiency is improved, and finally photocatalytic activity is enhanced. .
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a preparation method of an ordered mesoporous carbon and carbon nitride composite material, and provides a preparation scheme of a novel carbon nitride composite material.
In order to achieve the purpose, the invention is realized by the following technical scheme: a preparation method of an ordered mesoporous carbon and carbon nitride composite material specifically comprises the following steps:
s1, preparation of carbon/SBA-15 (C/SBA-15): dispersing SBA-15 into deionized water containing a certain amount of sucrose and concentrated sulfuric acid (98%), continuously stirring for 12h, heating, sequentially treating at 100 ℃ and 160 ℃ for 6h, and grinding to powder. The above impregnation process was repeated once more. Carrying out heat treatment on the obtained material for 5h at 900 ℃ in a protective gas atmosphere to obtain C/SBA-15 composite particles;
s2, ordered mesoporous carbon/carbon nitride (OMC/g-C)3N4) Preparing a composite material: dispersing a certain amount of C/SBA-15 prepared in the step S1 and melamine in deionized water, stirring for 2 hours, and drying the solution at 50 ℃ to obtain a solid;
s3, calcining the solid prepared in the S2 step in a muffle furnace at two temperatures for 2 hours respectively, cooling to room temperature, and grinding to powder;
s4, finally treating the mixture for 24 hours by using hydrofluoric acid with certain concentration, and then filtering, washing and drying the mixture to successfully prepare the OMC/gC3N4A composite material.
Preferably, the shielding gas in step S1 includes one or more of nitrogen, helium, neon, and argon.
Preferably, the two temperatures in the step S3 are 500 ℃ and 520 ℃.
Preferably, the certain concentration in step S4 is 10%.
Advantageous effects
The invention provides a preparation method of an ordered mesoporous carbon and carbon nitride composite material. Compared with the prior art, the method has the following beneficial effects: the preparation method of the ordered mesoporous carbon and carbon nitride composite material comprises the step of loading OMC on a lamellar structure g-C3N4The surface of the material has larger specific surface area, stronger absorption of visible light and better separation effect of photogenerated electrons and holes. The photocatalytic activity of RhB serving as a model pollutant is investigated, and an experimental result shows that OMC/g-C3N4The composite material can adsorb the RhB dye more strongly by virtue of larger specific surface area, the capacity of degrading the RhB dye by photocatalysis is correspondingly enhanced, and the O in the photocatalysis process can be obtained by carrying out a reactive species capture experiment on the catalyst2 -Is the main active component, and the cavity does not play the role of the active component, and in addition, the prepared composite particles have better continuous use capability and structural stability.
Drawings
FIG. 1 shows OMC/g-C of the present invention3N4The preparation process of the composite material is shown schematically;
FIG. 2 shows OMC/g-C of the present invention3N4A TEM image of (B);
FIG. 3 is an ultraviolet-visible absorption spectrogram of the RhB solution under different illumination times of photocatalytic degradation of the composite material of the present invention;
FIG. 4 is a graph showing the adsorption curve of the composite material of the present invention to (A) RhB and the photodegradation curve of (B);
FIG. 5 is a bar graph of the RhB degradation rate constants of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the embodiment of the present invention provides three technical solutions: a preparation method of an ordered mesoporous carbon and carbon nitride composite material specifically comprises the following embodiments:
example 1
S1, preparation of carbon/SBA-15 (C/SBA-15): dispersing 1g of SBA-15 into 5g of deionized water containing 1.25g of sucrose and 1g of concentrated sulfuric acid (98%), continuously stirring for 12h, heating, sequentially treating at 100 ℃ and 160 ℃ for 6h, and grinding to powder. The above impregnation process was repeated once more. Carrying out heat treatment on the obtained material for 5h at 900 ℃ in a nitrogen atmosphere to obtain C/SBA-15 composite particles;
s2, ordered mesoporous carbon/carbon nitride (OMC/g-C)3N4) Preparing a composite material: dispersing 0.05g of C/SBA-15 prepared in the step S1 and 3g of melamine in 20ml of deionized water, stirring for 2 hours, and drying the solution at 50 ℃ to obtain a solid;
s3, calcining the solid prepared in the S2 step in a muffle furnace at 500 ℃ and 520 ℃ for 2 hours respectively, cooling to room temperature, and grinding to powder;
s4, finally treating the mixture for 24 hours by 10 percent hydrofluoric acid, and then filtering, washing and drying the mixture to successfully prepare the OMC/gC3N4A composite material.
Example 2
S1, preparation of carbon/SBA-15 (C/SBA-15): dispersing 1g of SBA-15 into 5g of deionized water containing 1.25g of sucrose and 1g of concentrated sulfuric acid (98%), continuously stirring for 12h, heating, sequentially treating at 100 ℃ and 160 ℃ for 6h, and grinding to powder. The above impregnation process was repeated once more. Carrying out heat treatment on the obtained material for 5h at 900 ℃ in a nitrogen atmosphere to obtain C/SBA-15 composite particles;
s2, ordered mesoporous carbon/carbon nitride (OMC/g-C)3N4) Preparing a composite material: dispersing 0.1g of C/SBA-15 prepared in the step S1 and 3g of melamine in 20ml of deionized water, stirring for 2 hours, and drying the solution at 50 ℃ to obtain a solid;
s3, calcining the solid prepared in the S2 step in a muffle furnace at 500 ℃ and 520 ℃ for 2 hours respectively, cooling to room temperature, and grinding to powder;
s4, finally treating the mixture for 24 hours by 10 percent hydrofluoric acid, and then filtering, washing and drying the mixture to successfully prepare the OMC/gC3N4A composite material.
Example 3
S1, preparation of carbon/SBA-15 (C/SBA-15): dispersing 1g of SBA-15 into 5g of deionized water containing 1.25g of sucrose and 1g of concentrated sulfuric acid (98%), continuously stirring for 12h, heating, sequentially treating at 100 ℃ and 160 ℃ for 6h, and grinding to powder. The above impregnation process was repeated once more. Carrying out heat treatment on the obtained material for 5h at 900 ℃ in a nitrogen atmosphere to obtain C/SBA-15 composite particles;
s2, ordered mesoporous carbon/carbon nitride (OMC/g-C)3N4) Preparing a composite material: dispersing 0.2g of C/SBA-15 prepared in the step S1 and 3g of melamine in 20ml of deionized water, stirring for 2 hours, and drying the solution at 50 ℃ to obtain a solid;
s3, calcining the solid prepared in the S2 step in a muffle furnace at 500 ℃ and 520 ℃ for 2 hours respectively, cooling to room temperature, and grinding to powder;
s4, finally treating the mixture for 24 hours by 10 percent hydrofluoric acid, and then filtering, washing and drying the mixture to successfully prepare the OMC/gC3N4A composite material.
To verify the OMC/g-C prepared by the method of the invention3N4The photocatalytic effect of the composite material is that the degradation test of RhB is carried out on composite material samples prepared by putting different amounts of C/SBA-15, please refer to the curve B in figure 4, after the illumination, the single phase g-C3N4The degradation rate for RhB was about 23.6%. To prepare OMC/g-C3N4The activity of the sample for photocatalytic degradation of RhB is generally higher than that of pure g-C3N4In particular, 0.2g of OMC/g-C prepared from C/SBA-15 is added3N4After 60min reaction, the degradation rate of RhB almost reaches 100%. Also, referring to FIG. 3, FIG. 3 shows OMC/g-C3N4Ultraviolet-visible absorption spectrogram of RhB photocatalytic degradation of the composite material. As shown in the figure, the intensity of the absorption peak of RhB is gradually reduced along with the prolonging of the illumination time, and after 1h of reaction, the characteristic peak of RhB completely disappears, which means that RhB is degraded. The above results demonstrate that OMC/g-C is prepared according to the invention3N4The composite material is a photocatalyst with high performance and high efficiency.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A method for preparing an ordered mesoporous carbon and carbon nitride composite material is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, preparation of carbon/SBA-15 (C/SBA-15): dispersing SBA-15 into deionized water containing a certain amount of sucrose and concentrated sulfuric acid (98%), continuously stirring for 12h, heating, sequentially treating at 100 ℃ and 160 ℃ for 6h, and grinding to powder. The above impregnation process was repeated once more. Carrying out heat treatment on the obtained material for 5h at 900 ℃ in a protective gas atmosphere to obtain C/SBA-15 composite particles;
s2, ordered mesoporous carbon/carbon nitride (OMC/g-C)3N4) Preparing a composite material: dispersing a certain amount of C/SBA-15 prepared in the step S1 and melamine in deionized water, stirring for 2 hours, and drying the solution at 50 ℃ to obtain a solid;
s3, calcining the solid prepared in the S2 step in a muffle furnace at two temperatures for 2 hours respectively, cooling to room temperature, and grinding to powder;
s4, finally treating the mixture for 24 hours by using hydrofluoric acid with certain concentration, and then filtering, washing and drying the mixture to successfully prepare the OMC/gC3N4A composite material.
2. The method for preparing the ordered mesoporous carbon and carbon nitride composite material according to claim 1, wherein the method comprises the following steps: the shielding gas in the step S1 includes one or more of nitrogen, helium, neon, and argon.
3. The method for preparing the ordered mesoporous carbon and carbon nitride composite material according to claim 1, wherein the method comprises the following steps: the two temperatures in the step S3 are 500 ℃ and 520 ℃.
4. The method for preparing the ordered mesoporous carbon and carbon nitride composite material according to claim 1, wherein the method comprises the following steps: the certain concentration in step S4 is 10%.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475140A (en) * | 2014-11-07 | 2015-04-01 | 江苏大学 | Silver-modified carbon nitride composite photocatalytic material and preparation method thereof |
| CN106810436A (en) * | 2015-11-30 | 2017-06-09 | 中国科学院大连化学物理研究所 | A kind of method that catalysis oxidation glycerine prepares lactic acid |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475140A (en) * | 2014-11-07 | 2015-04-01 | 江苏大学 | Silver-modified carbon nitride composite photocatalytic material and preparation method thereof |
| CN106810436A (en) * | 2015-11-30 | 2017-06-09 | 中国科学院大连化学物理研究所 | A kind of method that catalysis oxidation glycerine prepares lactic acid |
Non-Patent Citations (1)
| Title |
|---|
| LEI SHI ET AL.: "Remarkably enhanced photocatalytic activity of ordered mesoporous carbon/g-C3N4 composite photocatalysts under visible light" * |
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