CN110776650A - Zinc-molybdenum bimetal organic framework multilevel structure material and preparation method thereof - Google Patents
Zinc-molybdenum bimetal organic framework multilevel structure material and preparation method thereof Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 40
- 239000013384 organic framework Substances 0.000 title claims abstract description 37
- WJPZDRIJJYYRAH-UHFFFAOYSA-N [Zn].[Mo] Chemical compound [Zn].[Mo] WJPZDRIJJYYRAH-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 239000000203 mixture Substances 0.000 claims abstract description 33
- 239000002244 precipitate Substances 0.000 claims abstract description 29
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000005406 washing Methods 0.000 claims abstract description 22
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 claims abstract description 19
- YZYKBQUWMPUVEN-UHFFFAOYSA-N zafuleptine Chemical compound OC(=O)CCCCCC(C(C)C)NCC1=CC=C(F)C=C1 YZYKBQUWMPUVEN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 14
- YSWBFLWKAIRHEI-UHFFFAOYSA-N 4,5-dimethyl-1h-imidazole Chemical compound CC=1N=CNC=1C YSWBFLWKAIRHEI-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003960 organic solvent Substances 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 11
- 239000010935 stainless steel Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 17
- 229910052750 molybdenum Inorganic materials 0.000 claims description 16
- 239000011733 molybdenum Substances 0.000 claims description 16
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- 239000011701 zinc Substances 0.000 claims description 15
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 14
- 229910052725 zinc Inorganic materials 0.000 claims description 14
- 239000000047 product Substances 0.000 claims description 12
- 238000003760 magnetic stirring Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 claims description 4
- 235000019441 ethanol Nutrition 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- CUTSCJHLMGPBEJ-UHFFFAOYSA-N [N].CN(C)C=O Chemical compound [N].CN(C)C=O CUTSCJHLMGPBEJ-UHFFFAOYSA-N 0.000 claims 1
- 239000013246 bimetallic metal–organic framework Substances 0.000 abstract description 13
- 239000013154 zeolitic imidazolate framework-8 Substances 0.000 abstract description 7
- MFLKDEMTKSVIBK-UHFFFAOYSA-N zinc;2-methylimidazol-3-ide Chemical compound [Zn+2].CC1=NC=C[N-]1.CC1=NC=C[N-]1 MFLKDEMTKSVIBK-UHFFFAOYSA-N 0.000 abstract description 7
- 238000005530 etching Methods 0.000 abstract description 4
- 238000010952 in-situ formation Methods 0.000 abstract description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 3
- 230000001699 photocatalysis Effects 0.000 abstract description 3
- 238000007146 photocatalysis Methods 0.000 abstract description 3
- 239000012621 metal-organic framework Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000013153 zeolitic imidazolate framework Substances 0.000 description 4
- BJMBNXMMZRCLFY-UHFFFAOYSA-N [N].[N].CN(C)C=O Chemical compound [N].[N].CN(C)C=O BJMBNXMMZRCLFY-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 150000004693 imidazolium salts Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000004729 solvothermal method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G83/00—Macromolecular compounds not provided for in groups C08G2/00 - C08G81/00
- C08G83/008—Supramolecular polymers
Abstract
The invention discloses a zinc-molybdenum bimetallic organic framework multilevel structural material, a preparation method and application thereof.A zinc acetate dihydrate and dimethylimidazole are dissolved in an organic solvent, molybdic acid is added after stirring for several minutes, and the mixture is continuously stirred at room temperature; transferring the mixture into a stainless steel high-pressure reaction kettle, putting the reaction kettle into an oven, preserving the temperature for a period of time, and cooling; after the reaction kettle is cooled to room temperature, centrifugally washing the mixture to obtain a gray-green precipitate, carrying out ultrasonic treatment and washing with absolute ethyl alcohol and water for several times; centrifugally collecting to obtain the multilevel structural material of the bimetallic organic framework. The method is simple and low in cost, and the zinc-molybdenum bimetallic MOF can be obtained through the etching effect of molybdic acid in the ZIF-8 in-situ formation process. It is expected to play an important role in wider emerging fields, such as photocatalysis, lithium ion batteries and the like.
Description
Technical Field
The invention relates to a preparation method of a zinc and molybdenum bimetal organic framework multilevel structural material.
Background
The Zeolitic Imidazolate Framework (ZIF) serves as a type of topological branch of the metal-organic framework, which is structurally identical to zeolites. ZIFs are formed by connecting tetrahedrally coordinated transition metal ions (such as iron, cobalt, copper, zinc and the like) through imidazolium salts, have large specific surface area and rich pore channel structures, and are excellent carrier mechanisms. The complex nano structure derived from the MOF has good physicochemical properties in the fields of energy storage and the like. The large unit of the metallate ion (e.g. WO 4)
2-) Is linked to Zn, which then coordinates to 2-methylimidazole, forming a bimetallic MOF with larger voids. The molybdenum element is stable, and the corrosion resistance and the high temperature resistance are better. The molybdenum-doped ZIF-8 takes ZIF as a carrier, and simultaneously can be doped with a small amount of molybdenum, so that the formed bimetallic zinc and molybdenum bimetallic organic framework material has a multilevel structure, and has the large specific surface area of the ZIF-8 and the catalytic activity brought by the introduction of molybdenum elements.
At present, the problems of the prior art are as follows: at present, no material with a zinc and molybdenum bimetal MOF multilevel structure is reported, and the reasonable design and controllable synthesis of the material are difficult; the mechanism by which molybdenum, a high valence metal, is doped into ZIF-8 and grows into a bur-like shape on the outside, and the MOF material forming a multilevel structure can be uniformly doped and coordinated is not clear.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a preparation method of a zinc-molybdenum bimetal organic framework multilevel structural material.
The preparation method of the zinc-molybdenum bimetallic organic framework material is realized by dissolving zinc acetate dihydrate and dimethyl imidazole in an organic solvent, stirring for several minutes, adding molybdic acid, and continuously stirring the mixture at room temperature; transferring the mixture into a stainless steel high-pressure reaction kettle, putting the reaction kettle into an oven, preserving the temperature for a period of time, and cooling; after the reaction kettle is cooled to room temperature, centrifugally washing the mixture to obtain a gray-green precipitate, carrying out ultrasonic treatment and washing with absolute ethyl alcohol and water for several times; centrifugally collecting to obtain the multilevel structural material of the bimetallic organic framework.
Further, the preparation method of the zinc and molybdenum bimetal organic framework multilevel structural material specifically comprises the following steps:
step one, adding 1mg to 40mg of zinc acetate dihydrate and 2mg to 80mg of dimethylimidazole into 30mL of an organic solvent, and then adding molybdic acid;
secondly, rapidly magnetically stirring the mixture at room temperature for 10-20min, then transferring the mixture to a stainless steel high-pressure reaction kettle, and putting the high-pressure reaction kettle into a drying oven at 100-200 ℃ for 6-24 h;
and thirdly, cooling the high-pressure reaction kettle to room temperature, centrifugally washing the mixture to obtain a gray-green precipitate, ultrasonically dispersing the gray-green precipitate, alternately washing the gray-green precipitate for a plurality of times by adopting absolute ethyl alcohol and water, centrifugally collecting the gray-green precipitate, and collecting the product to obtain the zinc-molybdenum bimetal organic framework multilevel structural material.
Furthermore, in the hydrolysis process of the first step, the molar ratio of zinc acetate dihydrate, 2-methylimidazole and molybdic acid is x: y: z, wherein x is more than or equal to 0 and less than or equal to 10; y is more than or equal to 0 and less than or equal to 20; z is more than or equal to 0 and less than or equal to 1.
Further, the organic solvent of the first step is selected from any one of methanol, ethanol, or nitrogen-nitrogen dimethylformamide.
Further, the rotating speed of the magnetic stirring in the first step is 700-1500 revolutions/min.
Further, the rotating speed of the magnetic stirring in the first step is 2000-12000 r/min.
Further, in the centrifugal collection process in the third step, the centrifugal rotating speed is 3000-12000 r/min, and the centrifugal time is 1-10 min;
and in the centrifugal collection process in the third step, the centrifugal rotating speed is 3000-14000 r/min, and the centrifugal time is 3-8 min.
The invention also aims to provide the zinc and molybdenum bimetal organic framework multilevel structural material prepared by the preparation method of the zinc and molybdenum bimetal organic framework multilevel structural material.
In summary, the advantages and positive effects of the invention are: the invention reports a simple method for thermally synthesizing a zinc and molybdenum bimetal organic framework multilevel structural material by using a solvent. According to the invention, zinc acetate dihydrate and dimethyl imidazole are dissolved in an organic solvent, molybdic acid is added after stirring for several minutes, and the obtained product is centrifugally washed through solvothermal reaction to obtain a gray green precipitate, namely the bimetallic MOF (organic framework material). The method is simple and low in cost, and the zinc-molybdenum bimetallic MOF can be obtained through the etching effect of molybdic acid in the ZIF-8 in-situ formation process. It is expected to play an important role in wider emerging fields, such as photocatalysis, lithium ion batteries and the like. The method is simple and low in cost, and the zinc-molybdenum bimetallic MOF can be obtained through the etching effect of molybdic acid in the ZIF-8 in-situ formation process.
Drawings
Fig. 1 is a flow chart of a preparation method of a zinc-molybdenum bimetallic organic framework multilevel structural material provided by an embodiment of the invention.
FIG. 2 is an SEM image of a zinc-molybdenum bimetallic MOF prepared in example 1, which is provided by the invention, and the sample is in a quasi-spherical shape and has a burr-like lamellar structure on the surface.
FIG. 3 is an SEM mapping chart provided by the embodiment of the invention, which shows the uniform distribution of two elements of zinc and molybdenum.
FIG. 4 is a TEM image of the zinc and molybdenum bimetallic MOFs prepared in example 1 provided by the present invention, and it can be seen that the sample is a porous structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides a zinc-molybdenum bimetallic organic framework multilevel structural material, a preparation method and application thereof, and the invention is described in detail below with reference to the accompanying drawings.
The zinc and molybdenum bimetal organic framework multilevel structural material provided by the embodiment of the invention
As shown in fig. 1, a method for preparing a zinc-molybdenum bimetallic organic framework multilevel structural material provided by an embodiment of the invention includes the following steps:
s101: dissolving zinc acetate dihydrate and dimethyl imidazole in an organic solvent, stirring for several minutes, adding molybdic acid, and continuously stirring the mixture at room temperature;
s102: transferring the mixture into a stainless steel high-pressure reaction kettle, putting the reaction kettle into an oven, preserving the temperature for a period of time, and cooling;
s103: after the reaction kettle is cooled to room temperature, centrifugally washing the mixture to obtain a gray-green precipitate, carrying out ultrasonic treatment and washing with absolute ethyl alcohol and water for several times;
s104: centrifugally collecting to obtain the bimetallic organic framework multilevel structural material.
The preparation method of the zinc-molybdenum bimetal organic framework multilevel structural material provided by the embodiment of the invention specifically comprises the following steps:
step one, adding 1-40mg of zinc acetate dihydrate and 2-80mg of dimethylimidazole into 30mL of an organic solvent, and then adding molybdic acid;
secondly, rapidly magnetically stirring the mixture at room temperature for 10-20min, then transferring the mixture to a stainless steel high-pressure reaction kettle, and putting the high-pressure reaction kettle into an oven at 100-200 ℃ for keeping for 6-24 h;
and thirdly, cooling the high-pressure reaction kettle to room temperature, centrifugally washing the mixture to obtain a gray green precipitate, ultrasonically dispersing the gray green precipitate, alternately washing the gray green precipitate for a plurality of times by adopting absolute ethyl alcohol and water, centrifugally collecting the precipitate, and collecting the product to obtain the zinc-molybdenum bimetallic MOF.
In a preferred embodiment of the invention, wherein the mole ratio of zinc acetate dihydrate, 2-methylimidazole and molybdic acid in the first hydrolysis step is x: y: z, wherein x is greater than or equal to 0 and less than or equal to 10; y is more than or equal to 0 and less than or equal to 20; z is more than or equal to 0 and less than or equal to 1.
In a preferred embodiment of the present invention, the organic solvent is selected from any one of methanol, ethanol, or nitrogen-nitrogen dimethylformamide.
In the preferred embodiment of the present invention, wherein in the centrifugal collection process of the third step, the centrifugal rotation speed is 3000-12000 r/min, and the centrifugal time is 1-10 min.
In a preferred embodiment of the present invention, wherein the magnetic stirring speed in the first step is 700-.
Preferably, the organic solvent is selected from any one of methanol, ethanol, or nitrogen-nitrogen dimethylformamide.
Preferably, wherein in the centrifugal collection process of the third step, the centrifugal rotating speed is 3000-14000 r/min, and the centrifugal time is 3-8 min.
Preferably, wherein the magnetic stirring speed in the first step is 2000-.
The technical solution of the present invention is further described with reference to the following specific examples.
Example 1:
the preparation method of the zinc-molybdenum bimetal organic framework multilevel structural material provided by the embodiment of the invention comprises the following steps:
first, 5mg of zinc acetate dihydrate and 25mg of dimethylimidazole were added to 30mL of DMF solvent, followed by 0.2mg of molybdic acid; magnetically stirring the mixture at room temperature at a higher speed for 5min, transferring the mixture into a stainless steel high-pressure reaction kettle, and putting the high-pressure reaction kettle into a drying oven at 160 ℃ for 12 h; and cooling the high-pressure reaction kettle to room temperature, centrifugally washing the mixture to obtain a gray-green precipitate, ultrasonically treating the gray-green precipitate, washing the gray-green precipitate with absolute ethyl alcohol and water for several times, centrifugally collecting the product, and collecting the product to obtain the zinc-molybdenum bimetallic MOF.
Example 2:
the preparation method of the zinc-molybdenum bimetal organic framework multilevel structural material provided by the embodiment of the invention comprises the following steps:
first, 8mg of zinc acetate dihydrate and 25mg of dimethylimidazole were added to 30mL of DMF solvent, followed by 0.2mg of molybdic acid; magnetically stirring the mixture at room temperature at a higher speed for 5min, transferring the mixture into a stainless steel high-pressure reaction kettle, and putting the high-pressure reaction kettle into a drying oven at 160 ℃ for 12 h; and cooling the high-pressure reaction kettle to room temperature, centrifugally washing the mixture to obtain a gray-green precipitate, ultrasonically treating the gray-green precipitate, washing the gray-green precipitate with absolute ethyl alcohol and water for several times, centrifugally collecting the product, and collecting the product to obtain the zinc-molybdenum bimetallic MOF.
Example 3:
the preparation method of the zinc-molybdenum bimetal organic framework multilevel structural material provided by the embodiment of the invention comprises the following steps:
first, 8mg of zinc acetate dihydrate and 25mg of dimethylimidazole were added to 30mL of a methanol solvent, followed by 0.2mg of molybdic acid; magnetically stirring the mixture at room temperature at a higher speed for 5min, transferring the mixture into a stainless steel high-pressure reaction kettle, and putting the high-pressure reaction kettle into an oven at the temperature of 100 ℃ and 200 ℃ for 12 h; and cooling the high-pressure reaction kettle to room temperature, centrifugally washing the mixture to obtain a gray-green precipitate, ultrasonically treating the gray-green precipitate, washing the gray-green precipitate with absolute ethyl alcohol and water for several times, centrifugally collecting the product, and collecting the product to obtain the zinc-molybdenum bimetallic MOF.
Example 4:
the preparation method of the zinc-molybdenum bimetal organic framework multilevel structural material provided by the embodiment of the invention comprises the following steps:
first, 8mg of zinc acetate dihydrate and 25mg of dimethylimidazole were added to 30mL of DMF and then 0.2mg of molybdic acid; magnetically stirring the mixture at room temperature at a higher speed for 5min, transferring the mixture into a stainless steel high-pressure reaction kettle, and putting the high-pressure reaction kettle into a drying oven at the temperature of 90 ℃ for 12 h; and cooling the high-pressure reaction kettle to room temperature, centrifugally washing the mixture to obtain a gray-green precipitate, ultrasonically treating the gray-green precipitate, washing the gray-green precipitate with absolute ethyl alcohol and water for several times, centrifugally collecting the product, and collecting the product to obtain the zinc-molybdenum bimetallic MOF.
Compared with the prior art, the zinc-molybdenum bimetallic MOF can be obtained by the etching action of molybdic acid in the ZIF-8 in-situ formation process. It is expected to play an important role in wider emerging fields, such as photocatalysis, lithium ion batteries and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A preparation method of a zinc and molybdenum bimetal organic framework multilevel structural material is characterized in that zinc acetate dihydrate and dimethyl imidazole are dissolved in an organic solvent, molybdic acid is added after stirring for several minutes, and the mixture is continuously stirred at room temperature; transferring the mixture into a stainless steel high-pressure reaction kettle, putting the reaction kettle into an oven, preserving the temperature for a period of time, and cooling; after the reaction kettle is cooled to room temperature, centrifugally washing the mixture to obtain a gray-green precipitate, carrying out ultrasonic treatment and washing with absolute ethyl alcohol and water for several times; centrifugally collecting to obtain the multilevel structural material of the bimetallic organic framework.
2. The method for preparing a zinc-molybdenum bimetallic organic framework multilevel structural material as claimed in claim 1, wherein the method for preparing the zinc-molybdenum bimetallic organic framework multilevel structural material specifically comprises the following steps:
step one, adding 1mg to 40mg of zinc acetate dihydrate and 2mg to 80mg of dimethylimidazole into 30mL of an organic solvent, and then adding molybdic acid;
secondly, rapidly magnetically stirring the mixture at room temperature for 10-20min, then transferring the mixture to a stainless steel high-pressure reaction kettle, and putting the high-pressure reaction kettle into a drying oven at 100-200 ℃ for 6-24 h;
and thirdly, cooling the high-pressure reaction kettle to room temperature, centrifugally washing the mixture to obtain a gray-green precipitate, ultrasonically dispersing the gray-green precipitate, alternately washing the gray-green precipitate for a plurality of times by adopting absolute ethyl alcohol and water, centrifugally collecting the gray-green precipitate, and collecting the product to obtain the zinc-molybdenum bimetal organic framework multilevel structural material.
3. The preparation method of the zinc-molybdenum bimetallic organic framework multilevel structural material as claimed in claim 2, wherein in the hydrolysis process of the first step, the molar ratio of zinc acetate dihydrate, 2-methylimidazole and molybdic acid is x: y: z, wherein x is more than or equal to 0 and less than or equal to 10; y is more than or equal to 0 and less than or equal to 20; z is more than or equal to 0 and less than or equal to 1.
4. The method for preparing a zinc-molybdenum bimetallic organic framework multilevel structural material as claimed in claim 2, wherein the organic solvent of the first step is selected from any one of methanol, ethanol, or nitrogen-dimethyl formamide.
5. The method for preparing the zinc-molybdenum bimetallic organic framework multistage structural material as claimed in claim 2, wherein the magnetic stirring rotation speed in the first step is 700-1500 rpm.
6. The method for preparing the zinc-molybdenum bimetallic organic framework multistage structural material as claimed in claim 2, wherein the magnetic stirring rotation speed in the first step is 2000-12000 r/min.
7. The method for preparing a zinc-molybdenum bimetallic organic framework multistage structural material as claimed in claim 2, wherein in the centrifugal collection process of the third step, the centrifugal rotation speed is 3000 r/min-12000 r/min, and the centrifugal time is 1min-10 min;
and in the centrifugal collection process in the third step, the centrifugal rotating speed is 3000-14000 r/min, and the centrifugal time is 3-8 min.
8. The zinc and molybdenum bimetal organic framework multilevel structural material prepared by the preparation method of the zinc and molybdenum bimetal organic framework multilevel structural material as claimed in any one of claims 1 to 7.
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| CN112871215A (en) * | 2021-01-12 | 2021-06-01 | 青岛科技大学 | Preparation method and application of iron-doped cobalt imidazolide hollow nano catalytic material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112778535A (en) * | 2021-01-12 | 2021-05-11 | 青岛科技大学 | Preparation method and application of multi-element heterogeneous metal organic framework material |
| CN112871215A (en) * | 2021-01-12 | 2021-06-01 | 青岛科技大学 | Preparation method and application of iron-doped cobalt imidazolide hollow nano catalytic material |
| CN112778535B (en) * | 2021-01-12 | 2022-04-08 | 青岛科技大学 | Preparation method and application of multi-element heterogeneous metal organic framework material |
| CN112871215B (en) * | 2021-01-12 | 2023-02-24 | 青岛科技大学 | Preparation method and application of iron-doped cobalt imidazolide hollow nano catalytic material |
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