CN112604698A - Preparation method, product and application of oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material - Google Patents
Preparation method, product and application of oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 37
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 37
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000001301 oxygen Substances 0.000 title claims abstract description 34
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 34
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 230000002950 deficient Effects 0.000 title claims description 20
- 230000007547 defect Effects 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000004098 Tetracycline Substances 0.000 claims abstract description 7
- 230000015556 catabolic process Effects 0.000 claims abstract description 7
- 238000006731 degradation reaction Methods 0.000 claims abstract description 7
- 229960002180 tetracycline Drugs 0.000 claims abstract description 7
- 229930101283 tetracycline Natural products 0.000 claims abstract description 7
- 235000019364 tetracycline Nutrition 0.000 claims abstract description 7
- 150000003522 tetracyclines Chemical class 0.000 claims abstract description 7
- QGLWBTPVKHMVHM-KTKRTIGZSA-N (z)-octadec-9-en-1-amine Chemical compound CCCCCCCC\C=C/CCCCCCCCN QGLWBTPVKHMVHM-KTKRTIGZSA-N 0.000 claims abstract description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000001354 calcination Methods 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 6
- 239000001257 hydrogen Substances 0.000 claims abstract description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 6
- 239000002244 precipitate Substances 0.000 claims abstract description 6
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims abstract description 5
- 150000001335 aliphatic alkanes Chemical class 0.000 claims abstract description 5
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 150000003608 titanium Chemical class 0.000 claims abstract description 5
- 239000000047 product Substances 0.000 claims description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 6
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 claims description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 229910052786 argon Inorganic materials 0.000 claims description 4
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 4
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 claims description 4
- 239000002107 nanodisc Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 2
- NNZMLOHQRXHPOZ-UHFFFAOYSA-N docosane-1-thiol Chemical compound CCCCCCCCCCCCCCCCCCCCCCS NNZMLOHQRXHPOZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 claims description 2
- 238000004065 wastewater treatment Methods 0.000 claims description 2
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 206010021143 Hypoxia Diseases 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000006555 catalytic reaction Methods 0.000 abstract description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 5
- CFJRPNFOLVDFMJ-UHFFFAOYSA-N titanium disulfide Chemical compound S=[Ti]=S CFJRPNFOLVDFMJ-UHFFFAOYSA-N 0.000 description 4
- 238000003760 magnetic stirring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- 150000003624 transition metals Chemical class 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229910003090 WSe2 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 229910052961 molybdenite Inorganic materials 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- 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
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
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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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
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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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
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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
- B01J35/61—Surface area
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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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
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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
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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
- C02F2101/38—Organic compounds containing nitrogen
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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Abstract
The invention provides a preparation method of an oxygen defect titanium disulfide @ carbon nanodisk photocatalytic material, which comprises the steps of adding organic titanium salt into oleylamine, stirring, introducing inert gas, and heating to fully mix the solution; injecting mercaptan into the solution, stirring and heating, keeping the temperature for 20-30 min, and naturally cooling to room temperature; dropwise adding the obtained solution into liquid alkane, and separating and drying the precipitate to obtain titanium disulfide @ C nanodisk; and placing the pure titanium disulfide @ C nano disk in a hydrogen atmosphere, and calcining to obtain the oxygen defect titanium disulfide @ C nano disk. The invention provides a preparation method of an oxygen defect titanium disulfide @ carbon nanodisk photocatalytic material, wherein the titanium disulfide @ carbon nanodisk photocatalytic material has a large specific surface area, and an oxygen deficiency defect plays an important role in improving the photocatalytic performance of the material. Is favorable for improving the photocatalytic performance of the material. Under the condition of ultraviolet light catalysis, after 60 min, the degradation of tetracycline reaches 99.8 percent. The preparation process is relatively simple and easy to operate.
Description
Technical Field
The invention relates to a photocatalytic material, and preparation and application thereof, in particular to a preparation method, a product and application of an oxygen defect titanium disulfide @ carbon nanodisk photocatalytic material.
Background
With the development of chemical industry, environmental pollution is becoming more serious. The discharge of printing and dyeing wastewater is one of the important causes of water pollution. Every year, a large amount of commercial dyes are discharged, and the dyes are stable in chemical property and cause great damage to the ecological environment. By utilizing the characteristic that the semiconductor oxide material can be activated under the irradiation of sunlight, organic matters can be effectively oxidized and degraded into carbon dioxide, water and other small molecules. Compared with the traditional purification method, the semiconductor photocatalysis technology has the advantages of mild reaction conditions, no secondary pollution, simple operation, obvious degradation effect and the like. Titanium dioxide is one of the most interesting photocatalysts, which is low-toxic, low-cost, durable, superhydrophilic and has excellent photochemical stability.
Transition metal dichalcogenides are an important class of materials, and are receiving attention due to abundant physical and chemical properties. In particular, MoS2, WS2, and WSe2, which are typical transition metal dichalcogenides, have prompted a wide spectrum of research enthusiasms as a rich phenomenon exhibited in the fields of optoelectronics, energy valley electronics, and spintronics. Recent studies show that titanium disulfide in transition metal dichalcogenide compounds has attracted extensive attention in the fields of nanoelectronics, photonics, sensors, energy storage system electrodes and the like. Can be used in the field of photocatalysis.
The invention provides a preparation method of an oxygen defect titanium disulfide @ carbon nanodisk photocatalytic material, wherein the titanium disulfide @ carbon nanodisk photocatalytic material has a large specific surface area, and an oxygen deficiency defect plays an important role in improving the photocatalytic performance of the material. Is favorable for improving the photocatalytic performance of the material. The preparation process is relatively simple and easy to operate.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a preparation method of an oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material.
Yet another object of the present invention is to: the oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material product prepared by the method is provided.
Yet another object of the present invention is to: provides an application of the product.
The invention aims to realize a preparation method of an oxygen defect titanium disulfide @ carbon nanodisk photocatalytic material by the following scheme, which is characterized by comprising the following steps of,
the first step is as follows: adding 0.02-0.04 mmol of organic titanium salt into 10-15 mL of oleylamine, magnetically stirring, introducing inert gas into the mixture for 20-30 min, gradually heating the solution to 150 ℃ and fully mixing the solution;
the second step is that: injecting 1-2 mL of mercaptan into the solution, magnetically stirring at the temperature for 30-60 min, heating to 280-300 ℃ for reaction for 20-30 min, and naturally cooling the solution to room temperature;
the third step: dropwise adding the solution obtained in the second step into liquid alkane, centrifugally separating the precipitate, and drying the obtained product in a vacuum oven at 60-80 ℃ to obtain a titanium disulfide @ C nanodisk;
the fourth step: and (3) placing the pure titanium disulfide @ C nano disc in a hydrogen atmosphere, and calcining for 1-2 h at the temperature rising and cooling rate of 1-2 ℃/min and the temperature reduction rate of 350-450 ℃ to obtain the oxygen defect titanium disulfide @ C nano disc.
The organic titanium salt is one or the combination of tetrabutyl titanate, isopropyl titanate or ethyl titanate.
The inert gas is one or the combination of argon or nitrogen.
The mercaptan is one or the combination of dodecyl mercaptan, lauryl mercaptan and 1-docosyl mercaptan.
The liquid alkane is one or the combination of pentane, hexane and tert-butane.
The invention provides an oxygen defect titanium disulfide @ carbon nanodisk photocatalytic material prepared by any one of the methods.
The invention provides an application of an oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material as a catalyst in wastewater treatment to degrade tetracycline.
Under the condition of ultraviolet light catalysis, after 60 min, the degradation of tetracycline reaches 99.8 percent.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a preparation method of an oxygen defect titanium disulfide @ carbon nanodisk photocatalytic material, the obtained product titanium disulfide @ carbon nanodisk photocatalytic material has a large specific surface area, and an oxygen deficiency defect plays an important role in improving the photocatalytic performance of the material. Is favorable for improving the photocatalytic performance of the material. The preparation process is relatively simple and easy to operate.
Drawings
Fig. 1 is a graph of the ultraviolet photocatalytic degradation rate of the oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material of example 1.
Fig. 2 is a graph of the ultraviolet photocatalytic degradation rate of the oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material of example 2.
Fig. 3 is a graph of the ultraviolet photocatalytic degradation rate of the oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material of example 3.
Detailed Description
The present invention is described in detail by the following specific examples, but the scope of the present invention is not limited to these examples.
Example 1
An oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material is prepared by the following steps:
the first step is as follows: adding 0.02 mmol of tetrabutyl titanate into 10 mL of oleylamine, carrying out magnetic stirring, introducing argon gas for 30 min, gradually heating the solution to 120 ℃, and fully mixing the solution;
the second step is that: injecting 1 mL of dodecyl mercaptan into the solution, magnetically stirring the solution at the temperature for 60 min, heating the solution to 300 ℃, keeping the reaction mixture at the temperature for 20 min, and naturally cooling the reaction mixture to room temperature;
the third step: dropwise adding the solution obtained in the second step into liquid pentane, centrifugally separating the precipitate, and drying the obtained product in a vacuum oven at 60 ℃ to obtain a titanium disulfide @ C nanodisk;
the fourth step: and (3) placing the pure titanium disulfide @ C nanodisk in a hydrogen atmosphere, and calcining for 2 h at 350 ℃ at the heating and cooling rate of 1 ℃/min to obtain the oxygen defect titanium disulfide @ C nanodisk.
FIG. 1 is a graph of the UV-photocatalytic degradation rate of the oxygen-deficient titanium disulfide nanodisk in example 1, wherein the degradation rate of tetracycline reaches 99.8% after 60 min under the UV-photocatalytic condition.
Example 2
An oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material is prepared by the following steps:
the first step is as follows: adding 0.04 mmol of tetrabutyl titanate into 15 mL of oleylamine, carrying out magnetic stirring, introducing argon for 30 min, gradually heating the solution to 150 ℃, and fully mixing the solution;
the second step is that: injecting 2 mL of lauryl mercaptan into the solution, magnetically stirring the solution at the temperature for 30 min, heating the solution to 280 ℃, keeping the reaction mixture at the temperature for 30 min, and naturally cooling the reaction mixture to room temperature;
the third step: dropwise adding the solution obtained in the second step into liquid tert-butane, centrifugally separating the precipitate, and drying the obtained product in a vacuum oven at 80 ℃ to obtain a titanium disulfide @ C nanodisk;
the fourth step: and (3) placing the pure titanium disulfide @ C nanodisk in a hydrogen atmosphere, and calcining for 1 h at 450 ℃ at the heating and cooling rate of 1 ℃/min to obtain the oxygen defect titanium disulfide @ C nanodisk.
FIG. 2 is a graph of the UV-photocatalytic degradation rate of the oxygen-deficient titanium disulfide nanodisk in example 2, wherein the degradation of tetracycline reaches 99.2% after 60 min under the UV-photocatalytic condition.
Example 3
An oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material is prepared by the following steps:
the first step is as follows: adding 0.04 mmol of isopropyl titanate into 15 mL of oleylamine, carrying out magnetic stirring, introducing nitrogen for 30 min, gradually heating the solution to 150 ℃, and fully mixing the solution;
the second step is that: injecting 2 mL of 1-docosylthiol into the solution, magnetically stirring at that temperature for 30 min, then heating to 300 ℃, maintaining the reaction mixture at that temperature for 20 min, and then naturally cooling to room temperature;
the third step: dropwise adding the solution obtained in the second step into liquid tert-butane, centrifugally separating the precipitate, and drying the obtained product in a vacuum oven at 80 ℃ to obtain a titanium disulfide @ C nanodisk;
the fourth step: and (3) placing the pure titanium disulfide @ C nanodisk in a hydrogen atmosphere, and calcining for 1 h at 450 ℃ at the heating and cooling rate of 2 ℃/min to obtain the oxygen defect titanium disulfide @ C nanodisk.
FIG. 3 is a graph of the UV-photocatalytic degradation rate of the oxygen-deficient titanium disulfide nanodisk in example 3, wherein the degradation of tetracycline reaches 98.3% after 60 min under the UV-photocatalytic condition.
Claims (7)
1. A preparation method of oxygen defect titanium disulfide @ carbon nanodisk photocatalytic material is characterized by comprising the following steps,
the first step is as follows: adding 0.02-0.04 mmol of organic titanium salt into 10-15 mL of oleylamine, magnetically stirring, introducing inert gas into the mixture for 20-30 min, gradually heating the solution to 150 ℃ and fully mixing the solution;
the second step is that: injecting 1-2 mL of mercaptan into the solution, magnetically stirring at the temperature for 30-60 min, heating to 280-300 ℃ for reaction for 20-30 min, and naturally cooling the solution to room temperature;
the third step: dropwise adding the solution obtained in the second step into liquid alkane, centrifugally separating the precipitate, and drying the obtained product in a vacuum oven at 60-80 ℃ to obtain a titanium disulfide @ C nanodisk;
the fourth step: and (3) placing the pure titanium disulfide @ C nano disc in a hydrogen atmosphere, and calcining for 1-2 h at the temperature rising and cooling rate of 1-2 ℃/min and the temperature reduction rate of 350-450 ℃ to obtain the oxygen defect titanium disulfide @ C nano disc.
2. The method for preparing the oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material as claimed in claim 1, wherein the organic titanium salt is one or a combination of tetrabutyl titanate, isopropyl titanate and ethyl titanate.
3. The method for preparing the oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material as claimed in claim 1, wherein the inert gas is one or a combination of argon gas and nitrogen gas.
4. The method for preparing the oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material as claimed in claim 1, wherein the mercaptan is one of dodecyl mercaptan, lauryl mercaptan, 1-docosyl mercaptan or a combination thereof.
5. The method for preparing the oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material as claimed in claim 1, wherein the liquid alkane is one of pentane, hexane and tert-butane or a combination thereof.
6. An oxygen-deficient titanium disulfide @ carbon nanodisk photocatalytic material, characterized in that it is prepared according to the method of any one of claims 1-5.
7. Use of the oxygen deficient titanium disulfide @ carbon nanodisk photocatalytic material as claimed in claim 6 as a catalyst for the degradation of tetracycline in wastewater treatment.
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| CN113617371A (en) * | 2021-08-23 | 2021-11-09 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of sandwich structure hollow nano reactor photocatalytic material, product and application |
| CN115709082A (en) * | 2022-11-10 | 2023-02-24 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method, product and application of zinc sulfide/carbon nanotube fiber photocatalytic material |
| CN115709082B (en) * | 2022-11-10 | 2024-02-13 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method, product and application of zinc sulfide/carbon nanotube fiber photocatalytic material |
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