CN112121824A - Preparation method and application of CoO @ CoS composite photocatalyst with core-shell structure - Google Patents
Preparation method and application of CoO @ CoS composite photocatalyst with core-shell structure Download PDFInfo
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- CN112121824A CN112121824A CN202011151395.7A CN202011151395A CN112121824A CN 112121824 A CN112121824 A CN 112121824A CN 202011151395 A CN202011151395 A CN 202011151395A CN 112121824 A CN112121824 A CN 112121824A
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- 239000011941 photocatalyst Substances 0.000 title claims abstract description 44
- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 239000011258 core-shell material Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 239000004098 Tetracycline Substances 0.000 claims abstract description 9
- 229960002180 tetracycline Drugs 0.000 claims abstract description 9
- 229930101283 tetracycline Natural products 0.000 claims abstract description 9
- 235000019364 tetracycline Nutrition 0.000 claims abstract description 9
- 150000003522 tetracyclines Chemical class 0.000 claims abstract description 9
- 230000015556 catabolic process Effects 0.000 claims abstract description 7
- 238000006731 degradation reaction Methods 0.000 claims abstract description 7
- 238000004729 solvothermal method Methods 0.000 claims abstract description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 18
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 9
- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 229910017052 cobalt Inorganic materials 0.000 claims description 6
- 239000010941 cobalt Substances 0.000 claims description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 4
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 4
- 239000002957 persistent organic pollutant Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 229940011182 cobalt acetate Drugs 0.000 claims description 2
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims description 2
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 claims description 2
- 229910001981 cobalt nitrate Inorganic materials 0.000 claims description 2
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 claims 1
- 230000001699 photocatalysis Effects 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 6
- 230000003197 catalytic effect Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000012792 core layer Substances 0.000 abstract 1
- 238000005286 illumination Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 abstract 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(II) oxide Inorganic materials [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 46
- 238000011160 research Methods 0.000 description 5
- 239000003242 anti bacterial agent Substances 0.000 description 4
- 229940088710 antibiotic agent Drugs 0.000 description 4
- 230000003115 biocidal effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 206010059866 Drug resistance Diseases 0.000 description 2
- 206010034133 Pathogen resistance Diseases 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910052950 sphalerite Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- IUYLTEAJCNAMJK-UHFFFAOYSA-N cobalt(2+);oxygen(2-) Chemical compound [O-2].[Co+2] IUYLTEAJCNAMJK-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010442 halite Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- 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
- B01J27/043—Sulfides with iron group metals or platinum group metals
-
- B01J35/396—
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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 belongs to the field of preparation of photocatalytic materials, and particularly relates to a CoO @ CoS composite photocatalyst with a core-shell structure, and preparation and application thereof. The composite photocatalyst is prepared by taking octahedral CoO prepared by solvothermal as a core layer and introducing CoS as a shell layer by a secondary solvothermal method, wherein the mass fraction of the CoS is 1-4%. The composite photocatalyst has certain catalytic activity on tetracycline under the action of simulated sunlight, the degradation rate of the tetracycline is nearly 100% when the illumination time lasts for 3 hours, and the preparation method is simple, easy to operate, low in raw material cost and suitable for industrial popularization and application.
Description
Technical Field
The invention belongs to the field of preparation of photocatalytic materials, and particularly relates to a CoO @ CoS composite photocatalyst with a core-shell structure, and preparation and application thereof.
Background
With the development of human society, more and more antibiotics appear in our lives, and especially, many medicines contain antibiotics. However, the abuse of antibiotic drugs can increase the drug resistance of human bodies, increase the drug resistance in the human bodies, not only reduce the resistance and the immunity of the human bodies, but also influence other functions of the human bodies. The spread of viral and bacterial resistance has slowed the pace of human medical research and, without addressing this problem, it is expected that the number of deaths that are consequently ill will continue to rise every year by the middle of the century. Therefore, the development of an effective antibiotic treatment technology is urgently needed. The semiconductor photocatalysis technology has the advantages of greenness, no secondary pollution, less byproducts and low cost, and has good development prospect by taking continuous solar energy as power, thereby becoming a research hotspot of the antibiotic treatment technology.
At present, TiO is a commonly used semiconductor photocatalytic material2ZnO, CoO, and the like, and composites thereof. Among them, the CoO material is of great interest because of its unique electronic structure, good optical properties, and strong catalytic performance.
Chinese patent CN 111468134 discloses a flower-shaped Bi2WO6The invention discloses a @ CoO heterojunction photocatalyst, a preparation method and application thereof, and the 3D flower-shaped graded Bi is prepared by adopting a solution and calcination method2WO6@ CoO heterojunction photocatalyst, and investigation of its degradation to antibiotics and photocatalytic reduction of Cr (R) ((R))
) The performance of (c).
Chinese patent CN 110386626a discloses a preparation method of cobaltous oxide thin sheet and its application in photocatalytic total decomposition of water under visible light. The sphalerite and halite type CoO ultrathin slices are prepared by a simple method, and the sphalerite CoO ultrathin slices are proved to have higher performance and stability in full light decomposition of water.
The patent reports show the preparation of single CoO or the compound thereof, and examine the photocatalytic performance of the CoO. Through a large amount of literature and patent research, a few researches on preparation of a CoO @ CoS composite photocatalyst with a core-shell structure by in-situ compounding of CoO and CoS are found, and the researches are applied to photocatalytic degradation of organic pollutants.
Disclosure of Invention
The invention aims to provide a CoO @ CoS composite photocatalyst with a core-shell structure and preparation and application thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a CoO @ CoS composite photocatalyst with a core-shell structure is prepared by adopting a solvent thermal synthesis method, then an octahedral CoO is used as a matrix, CoS is introduced as a shell structure by adopting an in-situ compounding method, and the CoO @ CoS composite photocatalyst with the core-shell structure is constructed; wherein the mass fraction of the CoS relative to the whole composite photocatalyst is 1-4%.
The preparation method of the CoO @ CoS composite photocatalyst with the core-shell structure comprises the following steps:
1) preparation of octahedral CoO
Adding 1.84g of cobalt source into a mixed solution of 64 mL of n-octanol and 16 mL of ethanol, transferring the mixed solution into a 100 mL high-pressure reaction kettle, continuously stirring for 2 hours, then placing the mixture in an oven for high-temperature reaction, taking out the mixture after the reaction is finished, cooling the mixture to room temperature, and centrifuging and drying the mixture to obtain octahedral CoO;
2) preparation of core-shell structure CoO @ CoS composite photocatalyst
Adding 1 g of CoO obtained in the step 1) into 60 mL-80 mL of absolute ethanol, then adding 8.4-33.6 mg of sulfur source, and continuously stirring for 1 hour; then, transferring the mixed solution into a 100 mL high-pressure reaction kettle for high-temperature reaction; and finally, washing and centrifuging for 3 times by using absolute ethyl alcohol, and putting the washed and centrifuged solution into an oven to keep the temperature constant to obtain the CoO @ CoS composite photocatalyst.
The cobalt source in the step 1) comprises any one or more of cobalt nitrate, cobalt chloride and cobalt acetate.
The high-temperature reaction in the oven in the step 1) is specifically carried out in an oven at 220 ℃ for 4 hours at constant temperature.
The sulfur source in the step 2) is thiourea.
The high-temperature reaction in the step 2) is specifically constant temperature for 4 hours in an oven at 180 ℃.
And 2) keeping the constant temperature of the oven at 70 ℃ for 12 hours.
The core-shell structure CoO @ CoS composite photocatalyst can be applied to degradation of organic pollutants, particularly degradation of tetracycline.
The invention has the following remarkable advantages:
(1) the invention provides a secondary solvothermal method for preparing a CoO @ CoS composite photocatalyst with a core-shell structure, aiming at the problems of the existing organic pollutant treatment technology, in particular to the problem of low photocatalytic efficiency of a CoO photocatalytic material. The composite photocatalyst has a uniform core-shell structure, and has high activity on degradation of tetracycline under the induction of simulated sunlight.
(2) The catalyst of the invention has simple preparation method, easy operation and low raw material cost, and is suitable for industrialized popularization and application.
Drawings
FIG. 1 is a scanning electron micrograph of a CoO @ CoS composite photocatalyst having a core-shell structure prepared in examples 1 and 3, wherein (A) is a sample of example 1 and (B) is a sample of example 3.
FIG. 2 is a transmission electron microscope image of a CoO @ CoS composite photocatalyst with a core-shell structure prepared in example 3.
FIG. 3 is a graph showing the degradation of the activity of CoO @ CoS composite photocatalysts with different contents prepared in examples 1-5, wherein CoO is number 1, CS-1 is number 2, CS-2 is number 3, CS-3 is number 4, and CS-4 is number 5.
Detailed Description
In order to make the present invention more comprehensible, the technical solutions of the present invention are further described below with reference to specific embodiments, but the present invention is not limited thereto.
Example 1 preparation of octahedral CoO
Adding 1.84g of cobalt source into a mixed solution of 64 mL of n-octanol and 16 mL of ethanol, transferring the mixed solution into a 100 mL high-pressure reaction kettle, continuously stirring for 2 hours, then placing the mixture into a 220 ℃ oven, keeping the constant temperature for 4 hours, taking out the mixture after the reaction is finished, cooling the mixture to room temperature, centrifuging and drying the mixture to obtain the octahedral CoO with the number of 1.
Example 2
1) Preparation of octahedral CoO
Adding 1.84g of cobalt source into a mixed solution of 64 mL of n-octanol and 16 mL of ethanol, transferring the mixed solution into a 100 mL high-pressure reaction kettle, continuously stirring for 2 hours, then placing the mixture into a 220 ℃ oven, keeping the constant temperature for 4 hours, taking out the mixture after the reaction is finished, cooling the mixture to room temperature, centrifuging and drying the mixture to obtain octahedral CoO;
2) preparation of core-shell structure CoO @ CoS composite photocatalyst
1 g of CoO was added to 60 mL of absolute ethanol, and 8.4 mg of thiourea was added, and stirring was continued for 1 hour. Then, the mixture was transferred into a 100 mL autoclave and the temperature was maintained in an oven at 180 ℃ for 4 hours. And finally, washing and centrifuging for 3 times by using absolute ethyl alcohol, placing the washed and centrifuged solution into an oven at 70 ℃, and keeping the temperature for 12 hours to obtain the CoO @ CoS composite photocatalyst with the number of 2.
Example 3
The procedure of example 2 was repeated except for changing the amount of thiourea used in example 2 to 16.8 mg of thiourea, to obtain a CoO @ CoS composite photocatalyst, which was designated as No. 3.
Example 4
The procedure of example 2 was repeated except for changing the amount of thiourea used in example 2 to 25.2 mg of thiourea, to obtain a CoO @ CoS composite photocatalyst, which was designated as No. 4.
Example 5
The procedure of example 2 was repeated except for changing the amount of thiourea used in example 2 to 33.6 mg of thiourea, to obtain a CoO @ CoS composite photocatalyst, No. 5.
Photocatalytic degradation of tetracycline by simulated sunlight
80mg of the composite photocatalyst prepared in the example was added to 80ml of a 10ppm tetracycline solution, and stirring and dark adsorption were continued for 60 minutes to ensure the adsorption/desorption equilibrium of the catalyst. After the dark adsorption is finished, starting a xenon lamp to illuminate for 3 hours, then taking the reaction liquid for centrifugation, and taking the supernatant to test on an ultraviolet-visible spectrophotometer.
Fig. 1 shows SEM images of samples of example 1 and example 3. The pure CoO sample is an octahedral material with a smooth surface, and a plurality of nano particles are attached to the surface of the pure CoO sample after the secondary solvothermal reaction, and the pure CoO sample is a CoO @ CoS composite photocatalyst with a core-shell structure. The TEM characterization of figure 2 further illustrates that the CoO @ CoS composite photocatalyst we synthesized is a uniform core-shell structure.
FIG. 3 is a diagram showing the photocatalytic activity of the prepared samples for degrading tetracycline. Obviously, pure example 1 shows smaller photocatalytic activity, while the sample of example 3 prepared by us has the highest photocatalytic activity, and can basically degrade 80ml of 10ppm tetracycline within 3 hours, thereby demonstrating the potential of the core-shell structure CoO @ CoS composite photocatalyst in degrading antibiotics.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (10)
1. A CoO @ CoS composite photocatalyst with a core-shell structure is characterized in that: preparing octahedral CoO by adopting a solvothermal synthesis method, then introducing CoS as a shell structure by adopting the octahedral CoO as a matrix and adopting a secondary solvothermal method to construct a CoO @ CoS composite photocatalyst with a core-shell structure; wherein the mass fraction of CoS is 1-4%.
2. A preparation method of the CoO @ CoS composite photocatalyst with the core-shell structure as recited in claim 1, is characterized in that: the method comprises the following steps:
1) preparation of octahedral CoO
Adding 1.84g of cobalt source into a solvent, moving the mixture into a 100 mL high-pressure reaction kettle, continuously stirring for 2 hours, then placing the mixture in an oven for high-temperature reaction, taking out the mixture after the reaction is finished, cooling the mixture to room temperature, centrifuging and drying the mixture to obtain octahedral CoO;
2) preparation of core-shell structure CoO @ CoS composite photocatalyst
Adding 1 g of CoO obtained in the step 1) into 60 mL-80 mL of absolute ethanol, then adding 8.4-33.6 mg of sulfur source, and continuously stirring for 1 hour; then, transferring the mixed solution into a 100 mL high-pressure reaction kettle for high-temperature reaction; and finally, washing and centrifuging for 3 times by using absolute ethyl alcohol, and putting the washed and centrifuged solution into an oven to keep the temperature constant to obtain the CoO @ CoS composite photocatalyst.
3. The preparation method of the core-shell structure CoO @ CoS composite photocatalyst according to claim 2, characterized in that: the cobalt source in the step 1) comprises any one or more of cobalt nitrate, cobalt chloride and cobalt acetate.
4. The preparation method of the core-shell structure CoO @ CoS composite photocatalyst according to claim 2, characterized in that: the solvent in the step 1) is 64 mL of n-octanol and 16 mL of ethanol.
5. The preparation method of the core-shell structure CoO @ CoS composite photocatalyst according to claim 2, characterized in that: the high-temperature reaction in the oven in the step 1) is specifically carried out in an oven at 220 ℃ for 4 hours at constant temperature.
6. The preparation method of the core-shell structure CoO @ CoS composite photocatalyst according to claim 2, characterized in that: the sulfur source in the step 2) is thiourea.
7. The preparation method of the core-shell structure CoO @ CoS composite photocatalyst according to claim 2, characterized in that: the high-temperature reaction in the step 2) is specifically constant temperature for 4 hours in an oven at 180 ℃.
8. The preparation method of the core-shell structure CoO @ CoS composite photocatalyst according to claim 2, characterized in that: and 2) keeping the constant temperature of the oven at 70 ℃ for 12 hours.
9. An application of the core-shell structure CoO @ CoS composite photocatalyst as claimed in claim 1 in degradation of organic pollutants by simulated sunlight.
10. The application of the core-shell structure CoO @ CoS composite photocatalyst as claimed in claim 9, wherein: the organic contaminant is tetracycline.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212886A (en) * | 2022-07-19 | 2022-10-21 | 吕梁学院 | Preparation method and application of film containing CoS/CoO microspheres |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995482A (en) * | 2006-09-25 | 2007-07-11 | 厦门大学 | Nano cobalt monoxide crystal plane controllable growth method |
| CN103480395A (en) * | 2013-03-25 | 2014-01-01 | 湖南大学 | Preparation and application of core-shell-structure bismuth sulfide@bismuth oxide composite microspheres |
| CN104492460A (en) * | 2014-12-11 | 2015-04-08 | 浙江大学 | Metallic oxide/metal sulfide hollow nanospheres as well as preparation method and application thereof |
| CN107051548A (en) * | 2017-04-18 | 2017-08-18 | 曲阜师范大学 | A kind of simple method for preparing hexagon CdO/CdS hetero-junctions nano composite materials |
| CN109745929A (en) * | 2019-03-13 | 2019-05-14 | 江南大学 | A kind of preparation method of molybdenum oxide/molybdenum disulfide core-shell particles |
| CN110479316A (en) * | 2019-09-09 | 2019-11-22 | 内江师范学院 | A kind of α-molybdenum trioxide@molybdenum disulfide material, preparation method and applications |
| CN111468134A (en) * | 2020-06-02 | 2020-07-31 | 辽宁大学 | 3D flower-shaped Bi2WO6@ CoO heterojunction photocatalyst and preparation method and application thereof |
-
2020
- 2020-10-25 CN CN202011151395.7A patent/CN112121824A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995482A (en) * | 2006-09-25 | 2007-07-11 | 厦门大学 | Nano cobalt monoxide crystal plane controllable growth method |
| CN103480395A (en) * | 2013-03-25 | 2014-01-01 | 湖南大学 | Preparation and application of core-shell-structure bismuth sulfide@bismuth oxide composite microspheres |
| CN104492460A (en) * | 2014-12-11 | 2015-04-08 | 浙江大学 | Metallic oxide/metal sulfide hollow nanospheres as well as preparation method and application thereof |
| CN107051548A (en) * | 2017-04-18 | 2017-08-18 | 曲阜师范大学 | A kind of simple method for preparing hexagon CdO/CdS hetero-junctions nano composite materials |
| CN109745929A (en) * | 2019-03-13 | 2019-05-14 | 江南大学 | A kind of preparation method of molybdenum oxide/molybdenum disulfide core-shell particles |
| CN110479316A (en) * | 2019-09-09 | 2019-11-22 | 内江师范学院 | A kind of α-molybdenum trioxide@molybdenum disulfide material, preparation method and applications |
| CN111468134A (en) * | 2020-06-02 | 2020-07-31 | 辽宁大学 | 3D flower-shaped Bi2WO6@ CoO heterojunction photocatalyst and preparation method and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| POURETEDAL, HR ET.AL: "Photodegradation of 2-nitrophenol catalyzed by CoO, CoS and CoO/CoS nanoparticles", 《JOURNAL OF THE IRANIAN CHEMICAL SOCIETY》 * |
| SHI, WL ET.AL: "New Insight of Water-Splitting Photocatalyst: H2O2-Resistance Poisoning and Photothermal Deactivation in Sub-micrometer CoO Octahedrons", 《ACS APPLIED MATERIALS & INTERFACES》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212886A (en) * | 2022-07-19 | 2022-10-21 | 吕梁学院 | Preparation method and application of film containing CoS/CoO microspheres |
| CN115212886B (en) * | 2022-07-19 | 2023-10-13 | 吕梁学院 | Preparation method and application of CoS/CoO microsphere-containing film |
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Application publication date: 20201225 |