CN114345418A - Hollow tubular MIL-68(In)/In2S3/ZnIn2S4Preparation method and application of photocatalyst - Google Patents
Hollow tubular MIL-68(In)/In2S3/ZnIn2S4Preparation method and application of photocatalyst Download PDFInfo
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- 239000013216 MIL-68 Substances 0.000 title claims abstract description 82
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims description 20
- 239000000243 solution Substances 0.000 claims abstract description 55
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 239000011259 mixed solution Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000002360 preparation method Methods 0.000 claims abstract description 23
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002244 precipitate Substances 0.000 claims abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002243 precursor Substances 0.000 claims abstract description 18
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 6
- 239000008367 deionised water Substances 0.000 claims abstract description 5
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 20
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical group CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 18
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 12
- 239000003960 organic solvent Substances 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000006303 photolysis reaction Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000015843 photosynthesis, light reaction Effects 0.000 claims description 2
- 239000011592 zinc chloride Substances 0.000 abstract description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 10
- 239000001257 hydrogen Substances 0.000 description 10
- 229910052739 hydrogen Inorganic materials 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000004073 vulcanization Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910009112 xH2O Inorganic materials 0.000 description 2
- XTFPYEOBVLWDDP-UHFFFAOYSA-N CCO.CC(N)=S Chemical compound CCO.CC(N)=S XTFPYEOBVLWDDP-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- 239000000047 product Substances 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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Abstract
The invention discloses a hollow tubular MIL-68(In)/In2S3/ZnIn2S4The preparation method and the application of the photocatalyst comprise the steps of adding an MIL-68(In) precursor into an ethanol solution of thioacetamide to obtain a first mixed solution; transferring the first mixed solution into an autoclave lined with polytetrafluoroethylene to obtain a first reaction solution; treating the yellow precipitate In the first reaction solution to obtain MIL-68(In)/In2S3(ii) a Mixing MIL-68(In)/In2S3Dispersing in deionized water, adding ZnCl2A solution to obtain a second mixed solution; mixing the second mixed solutionStirring at 50-70 deg.C to obtain hollow tubular MIL-68(In)/In2S3/ZnIn2S4. The preparation method provided by the invention can prepare the hollow tubular photocatalyst with monodispersity, high tubular degree, large specific surface area and rough surface.
Description
Technical Field
The invention relates to the technical field of catalysis, In particular to a hollow tubular MIL-68(In)/In2S3/ZnIn2S4A preparation method and application of the photocatalyst.
Background
The development of renewable green energy is one of the most important scientific and technical challenges facing today's society. Most industrial hydrogen is derived from natural gas, coal, petroleum or electrolyzed water. However, these conventional preparation methods are subject to the greenhouse gas CO2Limits on emissions, as a by-product or consumption of increased electricity. Therefore, there is a great need to develop carbon-free and low-cost hydrogen production processes to achieve robust and efficient hydrogen production to support emerging hydrogen economies.
The sun can provide approximately 31024J of energy per year, which is approximately 10000 times the current energy demand. Therefore, solar energy is a feasible energy resource for future economic and social development. The direct conversion of solar energy from water to hydrogen energy using semiconductor materials is considered an ideal hydrogen production approach that can alleviate the energy crisis and solve the increasingly worsening environmental problem.
But currently the traditional semiconductor photocatalysts (TiO)2ZnO, etc.) has disadvantages of insufficient solar energy utilization, low conductivity, limited electron transfer length, etc., making it difficult to apply the semiconductor photocatalyst to practical use.
Disclosure of Invention
The invention aims to provide a method for preparing a ternary hollow microtube material based on an In-situ synthesis strategy of vulcanization and low-temperature cation exchange, and the method can be used for preparing a monodisperse hollow tubular MIL-68(In)/In material with high tubular shape, large specific surface area and rough surface2S3/ZnIn2S4A photocatalyst.
In order to solve the technical problems, the invention adopts the following technical scheme:
hollow tubular MIL-68(In)/In2S3/ZnIn2S4A method of preparing a photocatalyst, comprising:
adding an MIL-68(In) precursor into an ethanol solution of thioacetamide, and stirring for 1.5-3 minutes to obtain a first mixed solution;
transferring the first mixed solution into an autoclave lined with polytetrafluoroethylene, and keeping the temperature at 110-130 ℃ for 3-5 hours to obtain a first reaction solution;
after the first reaction solution is cooled to room temperature, sequentially collecting and drying yellow precipitates In the first reaction solution, wherein the treated yellow precipitates are MIL-68(In)/In2S3；
Mixing the MIL-68(In)/In2S3After fully dispersing in deionized water under continuous stirring treatment, ZnCl is added2A solution to obtain a second mixed solution;
stirring the second mixed solution In water bath at 50-70 ℃, and then carrying out centrifugal washing and drying treatment to obtain the hollow tubular MIL-68(In)/In2S3/ZnIn2S4。
Further, the method also comprises the following steps:
in (NO)3)3·xH2Adding O and terephthalic acid into an organic solvent, stirring for 10-20min, and heating the obtained third mixed solution at 100 ℃ for 1-2 hours to obtain a second reaction solution;
and after the second reaction solution is cooled to room temperature, sequentially collecting and drying the white precipitate In the first reaction solution, wherein the treated white precipitate is the MIL-68(In) precursor.
Further, the organic solvent is N, N-dimethylformamide.
Further, In (NO) added to the organic solvent3)3·xH2The mass ratio of the O to the terephthalic acid is 8-12: 3-4.
Further, the concentration of thioacetamide in the ethanol solution of thioacetamide is 3 mg/ml.
Further, the mass ratio of thioacetamide In the ethanol solution of thioacetamide to the MIL-68(In) precursor is 3: 2.
further, stirring the second mixed solution in a water bath at 50-70 ℃ for 5-45 min.
Further, the ZnCl2The concentration of the solution is 0.1M-0.75M.
Further, the method comprisesThe prepared hollow tubular MIL-68(In)/In2S3/ZnIn2S4The pore diameter of the porous material is micron-sized, the length of the porous material is 2-5 mu m, and the pore diameter of the porous material is 540 nm.
Hollow tubular MIL-68(In)/In prepared by the above method2S3/ZnIn2S4The photocatalyst is applied to the reaction of photolysis of water.
The invention provides a hollow tubular MIL-68(In)/In2S3/ZnIn2S4The preparation method of the photocatalyst comprises the step of carrying out vulcanization treatment on the MIL-68(In) precursor through thioacetamide so as to lead the vulcanized MIL-68(In) precursor and ZnCl2After the reaction, hollow tubular MIL-68(In)/In is generated2S3/ZnIn2S4The method provided by the invention has the advantages of simple operation, environmental protection and low cost, and the hollow tubular MIL-68(In)/In with monodispersity, high tubular shape, large specific surface area and rough surface can be prepared by the preparation method provided by the invention2S3/ZnIn2S4The photocatalyst is used for water photolysis reaction, and the optimal hydrogen evolution rate of the photocatalyst can reach 306.0 mu molg under the irradiation of visible light-1h-1。
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a hollow tubular MIL-68(In)/In prepared In example 7 of the present invention2S3/ZnIn2S4Scanning electron micrographs of the photocatalyst.
FIG. 2 is a hollow tubular MIL-68(In)/In prepared In example 7 of the present invention2S3/ZnIn2S4Comparison of photocatalystsMIL-68(In) and MIL-68(In)/In prepared In example 12S3The photolytic hydrogen evolution effect map of (1).
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The invention provides a hollow tubular MIL-68(In)/In2S3/ZnIn2S4The preparation method of the photocatalyst is shown in figure 1 and comprises the following steps:
s100, adding an MIL-68(In) precursor into an ethanol solution of thioacetamide, and stirring for 1.5-3 minutes to obtain a first mixed solution;
s200, transferring the first mixed solution into an autoclave lined with polytetrafluoroethylene, and keeping the first mixed solution at the temperature of 110-130 ℃ for 3-5 hours to obtain a first reaction solution;
s300, after the first reaction solution is cooled to room temperature, sequentially collecting and drying yellow precipitates In the first reaction solution, wherein the treated yellow precipitates are MIL-68(In)/In2S3；
S400, mixing MIL-68(In)/In2S3After fully dispersing in deionized water under continuous stirring treatment, ZnCl is added2A solution to obtain a second mixed solution;
s500, stirring the second mixed solution In a water bath at 50-70 ℃, and then carrying out centrifugal washing and drying treatment to obtain the hollow tubular MIL-68(In)/In2S3/ZnIn2S4。
The invention provides a hollow tubular MIL-68(In)/In2S3/ZnIn2S4The preparation method of the photocatalyst comprises the step of carrying out vulcanization treatment on MIL-68(In) precursor through thioacetamide to obtain a productOver-sulfurized MIL-68(In) precursor with ZnCl2After the reaction, hollow tubular MIL-68(In)/In is generated2S3/ZnIn2S4The method provided by the invention has the advantages of simple operation, environmental protection and low cost, and the hollow tubular MIL-68(In)/In with monodispersity, high tubular shape, large specific surface area and rough surface can be prepared by the preparation method provided by the invention2S3/ZnIn2S4The photocatalyst is used for water photolysis reaction, and the optimal hydrogen evolution rate of the photocatalyst can reach 306.0 mu molg under the irradiation of visible light-1h-1。
In some embodiments, the hollow tubular MIL-68(In)/In2S3/ZnIn2S4The preparation method of the photocatalyst further comprises the following steps:
(1) in (NO)3)3·xH2Adding O and terephthalic acid into an organic solvent, stirring for 10-20min, and heating the obtained third mixed solution at 100 ℃ for 1-2 hours to obtain a second reaction solution;
(2) and after the second reaction solution is cooled to room temperature, sequentially collecting and drying the white precipitate In the first reaction solution, wherein the treated white precipitate is an MIL-68(In) precursor.
Here by adding In (NO)3)3·xH2The metal ion In O and the oxygen ion In terephthalic acid combine to form MIL-68 (In).
In some embodiments, the organic solvent is N, N-dimethylformamide, since N, N-dimethylformamide can sufficiently dissolve In (NO)3)3·xH2O and terephthalic acid, and has a boiling point of 153 ℃ and is very stable under reaction conditions of 100 ℃, and therefore, the organic solvent is selected to be N, N-dimethylformamide in the present application.
In (NO) added to an organic solvent In some embodiments3)3·xH2The mass ratio of the O to the terephthalic acid is 8-12: 3-4. In the examples of the present invention, In (NO)3)3·xH2Of O and terephthalic acidThe mass ratio of (A) to (B) is not limited to 8:3, 9:4, 2:1, 8: 3.5, 10:3, 10:3.5, 10:4, 12:3, 12:3.5, 12: 4.
In some embodiments, the concentration of thioacetamide in the ethanolic solution of thioacetamide is 3 mg/ml.
The sulfuration degree of the MIL-68(In) precursor can be controlled by different thioacetamide concentrations, and when the thioacetamide concentration In the thioacetamide ethanol solution is 3mg/ml, the thioacetamide can be used for sulfurating part of the MIL-68(In) precursor, and can keep part of the MIL-68(In) not to be sulfurated, so that the tubular shape of the finally prepared catalyst is better kept.
In some embodiments, the mass ratio between thioacetamide and the MIL-68(In) precursor In the ethanolic solution of thioacetamide is 3: 2.
in some embodiments, the second mixed solution is stirred in a water bath at 50-70 ℃ for 5-45 min. In the embodiment of the invention, the stirring time of the second mixed solution in the water bath at 50-70 ℃ includes but is not limited to 5min, 10min, 15min, 20min, 25min, 30min, 35min, 40min or 45min, wherein the preferred stirring time is 15 min. The second mixed solution is stirred in a water bath at 50-70 ℃ for a stirring time to prepare different ZnIn2S4Hollow tubular MIL-68(In)/In content2S3/ZnIn2S4A photocatalyst.
In some embodiments, the ZnCl is2The concentration of the solution is 0.1M-0.75M. In the examples of the present invention, ZnCl2The concentration of the solution includes but is not limited to 0.1M, 0.25M, 0.5M or 0.75M, among which ZnCl is preferred2The concentration of the solution was 0.5M.
In some embodiments, the hollow tubular MIL-68(In)/In is prepared2S3/ZnIn2S4The pore diameter of (A) is micron-sized, the length of (B) is 2-5 μm, the pore diameter of (B) is 540nm, and the structure of (B) is shown in figure 1.
Hollow tubular MIL-68(In)/In prepared by the above method2S3/ZnIn2S4Photocatalyst applicationIn reactions that photolyze water.
To further explain the present invention, a hollow tubular MIL-68(In)/In is provided2S3/ZnIn2S4The preparation of the photocatalyst is further detailed in the following examples.
Example 1
Hollow tubular MIL-68(In)/In2S3/ZnIn2S4The preparation method of the photocatalyst comprises the following steps:
(1) 470mg of In (NO)3)3·xH2O and 180mg of terephthalic acid were added to a solvent containing 54mL of N, N-dimethylformamide, and after stirring for 10 minutes, the resulting third mixed solution was oil-bath heated at 100 ℃ for 1.5 hours;
(2) after the reaction solution obtained In the step (1) is cooled to room temperature, centrifugally washing and collecting white precipitate, and drying the white precipitate In vacuum at 60 ℃ to obtain MIL-68(In) precursor;
(3) adding the MIL-68(In) precursor obtained In the step (2) into 40ml of ethanol solution of thioacetamide, and stirring for 2 minutes;
(4) transferring the mixed solution obtained in the step (3) into an autoclave lined with polytetrafluoroethylene, and keeping the temperature of 120 ℃ for 4 hours;
(5) after the reaction solution obtained In the step (4) is cooled to room temperature, centrifugally washing the reaction solution to collect yellow precipitate, and then drying the yellow precipitate at 60 ℃, wherein the yellow precipitate after treatment is MIL-68(In)/In2S3；
(6) 81.4mg of MIL-68(In)/In2S3After being fully dispersed in 40ml of deionized water under continuous stirring, 10ml of 0.1M ZnCl was added2A solution;
(7) stirring the solution In the step (6) for 15min at the temperature of 60 ℃ In a water bath, and then carrying out centrifugal washing and drying treatment to obtain the hollow tubular MIL-68(In)/In2S3/ZnIn2S4。
Example 2
Example 2 provides hollow tubular MIL-68(In)/In2S3/ZnIn2S4The procedure of the photocatalyst preparation process was substantially the same as in example 1, except that the water bath time in step (7) in example 1 was set to 5 min.
Example 3
Example 3 provides hollow tubular MIL-68(In)/In2S3/ZnIn2S4The procedure of the photocatalyst preparation process was substantially the same as in example 1, except that the water bath time in step (7) in example 1 was set to 25 min.
Example 4
Example 4 provides hollow tubular MIL-68(In)/In2S3/ZnIn2S4The procedure of the photocatalyst preparation process was substantially the same as in example 1, except that the water bath time in step (7) in example 1 was set to 35 min.
Example 5
Example 5 provides a hollow tubular MIL-68(In)/In2S3/ZnIn2S4The procedure of the photocatalyst preparation process was substantially the same as in example 1, except that the water bath time in step (7) in example 1 was set to 45 min.
Example 6
Example 6 provides a hollow tubular MIL-68(In)/In2S3/ZnIn2S4The procedure for preparing the photocatalyst was substantially the same as in example 2, except that ZnCl in step (6) in example 2 was used2The concentration of the solution was 0.25M.
Example 7
Example 7 provides a hollow tubular MIL-68(In)/In2S3/ZnIn2S4The procedure for preparing the photocatalyst was substantially the same as in example 2, except that ZnCl in step (6) in example 2 was used2The concentration of the solution was 0.5M.
Example 8
Example 8 provides a hollow tubular MIL-68(In)/In2S3/ZnIn2S4The procedure for preparing the photocatalyst was substantially the same as in example 2, except thatIn that ZnCl in step (6) in example 2 was used2The concentration of the solution was 0.75M.
FIG. 1 is a hollow tubular MIL-68(In)/In prepared according to the present invention2S3/ZnIn2S4The scanning electron microscope photo of the photocatalyst shows that the product is a hollow tubular structure with small particles loaded on the surface, the length of the tube is 2-5 μm, and the aperture is 540 nm.
FIG. 2 is a hollow tubular MIL-68(In)/In prepared In example 72S3/ZnIn2S4Photocatalyst MIL-68(In) and MIL-68(In)/In prepared In comparative example 12S3The effect graph of the photolytic water hydrogen evolution of (2) shows that the prepared hollow tubular MIL-68(In)/In2S3/ZnIn2S4The photocatalyst has higher activity.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. Hollow tubular MIL-68(In)/In2S3/ZnIn2S4A method for preparing a photocatalyst, comprising:
adding an MIL-68(In) precursor into an ethanol solution of thioacetamide, and stirring for 1.5-3 minutes to obtain a first mixed solution;
transferring the first mixed solution into an autoclave lined with polytetrafluoroethylene, and keeping the temperature at 110-130 ℃ for 3-5 hours to obtain a first reaction solution;
after the first reaction solution is cooled to room temperature, sequentially collecting and drying yellow precipitates in the first reaction solution, wherein the yellow precipitates are treatedThe precipitate is MIL-68(In)/In2S3；
Mixing the MIL-68(In)/In2S3After fully dispersing in deionized water under continuous stirring treatment, ZnCl is added2A solution to obtain a second mixed solution;
stirring the second mixed solution In water bath at 50-70 ℃, and then carrying out centrifugal washing and drying treatment to obtain the hollow tubular MIL-68(In)/In2S3/ZnIn2S4。
2. The hollow tubular MIL-68(In)/In of claim 12S3/ZnIn2S4The preparation method of the photocatalyst is characterized by further comprising the following steps:
in (NO)3)3·xH2Adding O and terephthalic acid into an organic solvent, stirring for 10-20min, and heating the obtained third mixed solution at 100 ℃ for 1-2 hours to obtain a second reaction solution;
and after the second reaction solution is cooled to room temperature, sequentially collecting and drying the white precipitate In the first reaction solution, wherein the treated white precipitate is the MIL-68(In) precursor.
3. The hollow tubular MIL-68(In)/In of claim 22S3/ZnIn2S4The preparation method of the photocatalyst is characterized in that the organic solvent is N, N-dimethylformamide.
4. The hollow tubular MIL-68(In)/In of claim 22S3/ZnIn2S4A method for producing a photocatalyst, characterized In that In (NO) is added to an organic solvent3)3·xH2The mass ratio of the O to the terephthalic acid is 8-12: 3-4.
5. The hollow tubular MIL-68(In)/In of claim 12S3/ZnIn2S4Preparation method of photocatalystThe method is characterized in that the concentration of thioacetamide in the ethanol solution of thioacetamide is 3 mg/ml.
6. The hollow tubular MIL-68(In)/In of claim 12S3/ZnIn2S4The preparation method of the photocatalyst is characterized In that the mass ratio of thioacetamide In an ethanol solution of thioacetamide to the MIL-68(In) precursor is 3: 2.
7. the hollow tubular MIL-68(In)/In of claim 12S3/ZnIn2S4The preparation method of the photocatalyst is characterized in that the second mixed solution is stirred for 5-45min at the temperature of 50-70 ℃ in water bath.
8. The hollow tubular MIL-68(In)/In of claim 12S3/ZnIn2S4The preparation method of the photocatalyst is characterized in that ZnCl is used as a photocatalyst2The concentration of the solution is 0.1M-0.75M.
9. The hollow tubular MIL-68(In)/In according to any one of claims 1 to 82S3/ZnIn2S4The preparation method of the photocatalyst is characterized In that the prepared hollow tubular MIL-68(In)/In2S3/ZnIn2S4The pore diameter of the porous material is micron-sized, the length of the porous material is 2-5 mu m, and the pore diameter of the porous material is 540 nm.
10. Hollow tubular MIL-68(In)/In prepared by any of claims 1 to 92S3/ZnIn2S4The photocatalyst is applied to the reaction of photolysis of water.
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| CN115301294A (en) * | 2022-08-10 | 2022-11-08 | 湖南工商大学 | Indium-zinc sulfide modified iron-based metal organic framework, preparation method thereof and application thereof in adsorption-photocatalyst |
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