CN115463671A - BPQDs/MoO 3 /ZnIn 2 S 4 Ternary heterostructure composite photocatalytic material, preparation method and application - Google Patents
BPQDs/MoO 3 /ZnIn 2 S 4 Ternary heterostructure composite photocatalytic material, preparation method and application Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 52
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 49
- 239000002131 composite material Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical class [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 88
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 32
- 239000001257 hydrogen Substances 0.000 claims abstract description 32
- 239000002904 solvent Substances 0.000 claims abstract description 26
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 claims abstract description 14
- 150000002471 indium Chemical class 0.000 claims abstract description 8
- 238000004729 solvothermal method Methods 0.000 claims abstract description 8
- 150000003751 zinc Chemical class 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 238000013329 compounding Methods 0.000 claims abstract description 5
- 239000002270 dispersing agent Substances 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 23
- 239000000843 powder Substances 0.000 claims description 20
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical group [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- PSCMQHVBLHHWTO-UHFFFAOYSA-K indium(iii) chloride Chemical group Cl[In](Cl)Cl PSCMQHVBLHHWTO-UHFFFAOYSA-K 0.000 claims description 10
- 238000002390 rotary evaporation Methods 0.000 claims description 10
- 238000002604 ultrasonography Methods 0.000 claims description 10
- 239000011592 zinc chloride Substances 0.000 claims description 10
- 235000005074 zinc chloride Nutrition 0.000 claims description 10
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 4
- 238000006303 photolysis reaction Methods 0.000 claims description 3
- 230000015843 photosynthesis, light reaction Effects 0.000 claims description 3
- XURCIPRUUASYLR-UHFFFAOYSA-N Omeprazole sulfide Chemical compound N=1C2=CC(OC)=CC=C2NC=1SCC1=NC=C(C)C(OC)=C1C XURCIPRUUASYLR-UHFFFAOYSA-N 0.000 claims description 2
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 2
- VBXWCGWXDOBUQZ-UHFFFAOYSA-K diacetyloxyindiganyl acetate Chemical compound [In+3].CC([O-])=O.CC([O-])=O.CC([O-])=O VBXWCGWXDOBUQZ-UHFFFAOYSA-K 0.000 claims description 2
- 229910000337 indium(III) sulfate Inorganic materials 0.000 claims description 2
- XGCKLPDYTQRDTR-UHFFFAOYSA-H indium(iii) sulfate Chemical compound [In+3].[In+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O XGCKLPDYTQRDTR-UHFFFAOYSA-H 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000004246 zinc acetate Substances 0.000 claims description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 2
- 229960001763 zinc sulfate Drugs 0.000 claims description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 2
- 150000003017 phosphorus Chemical class 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 23
- 230000003197 catalytic effect Effects 0.000 abstract description 5
- 229910000510 noble metal Inorganic materials 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 24
- 238000006243 chemical reaction Methods 0.000 description 23
- 229910001220 stainless steel Inorganic materials 0.000 description 21
- 239000010935 stainless steel Substances 0.000 description 21
- 238000001035 drying Methods 0.000 description 16
- -1 polytetrafluoroethylene Polymers 0.000 description 16
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 16
- 239000004810 polytetrafluoroethylene Substances 0.000 description 16
- 239000002096 quantum dot Substances 0.000 description 15
- 238000009210 therapy by ultrasound Methods 0.000 description 15
- 238000004448 titration Methods 0.000 description 15
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 8
- 239000011609 ammonium molybdate Substances 0.000 description 8
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 8
- 235000018660 ammonium molybdate Nutrition 0.000 description 8
- 229940010552 ammonium molybdate Drugs 0.000 description 8
- 229910017604 nitric acid Inorganic materials 0.000 description 8
- 238000001291 vacuum drying Methods 0.000 description 8
- 239000013078 crystal Substances 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
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- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 239000010970 precious metal Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000027756 respiratory electron transport chain Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- YYKKIWDAYRDHBY-UHFFFAOYSA-N [In]=S.[Zn] Chemical compound [In]=S.[Zn] YYKKIWDAYRDHBY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 208000030963 borderline personality disease Diseases 0.000 description 1
- 206010006475 bronchopulmonary dysplasia Diseases 0.000 description 1
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- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011206 ternary composite Substances 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
- B01J27/047—Sulfides with chromium, molybdenum, tungsten or polonium
- B01J27/051—Molybdenum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J27/188—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
- B01J27/19—Molybdenum
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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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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/04—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
- C01B3/042—Decomposition of water
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Abstract
The invention belongs to the technical field of catalyst preparation, and particularly relates to BPQDs/MoO 3 /ZnIn 2 S 4 The preparation method and the application of the composite photocatalytic material with the ternary heterostructure comprise the following steps: s1, mixing MoO 3 Adding divalent zinc salt, trivalent indium salt and thioacetamide into a solvent, and carrying out solvothermal reaction at 100-150 ℃ to obtain MoO 3 /ZnIn 2 S 4 (ii) a S2, moO prepared from S1 3 /ZnIn 2 S 4 Placing in dispersant, adding black phosphorus quantum dots, stirring at 40-80 deg.C, and compounding to obtain BPQDs/MoO 3 /ZnIn 2 S 4 Ternary heterojunctionForming the composite photocatalytic material. The catalyst of the invention does not need any noble metal, and the catalytic material has good hydrogen evolution performance under visible light and good stability, thus being suitable for large-scale use.
Description
Technical Field
The invention belongs to the technical field of catalyst preparation, and particularly relates to BPQDs/MoO 3 /ZnIn 2 S 4 A ternary heterostructure composite photocatalytic material, a preparation method and application.
Background
The hydrogen has the characteristic of high combustion heat value, the combustion product of the hydrogen is water, and the hydrogen is the cleanest energy in the world, and in addition, the hydrogen is the most widely distributed substance in the universe, has rich resources, and is a secondary energy source with sustainable development. Therefore, research on hydrogen production, transportation, storage and the like is receiving wide attention. In the prior art, a plurality of methods for preparing hydrogen are available, one of the methods for preparing hydrogen by photolysis of water is simple in process and clean in product, but in the preparation process, because the reaction kinetics is slow, the preparation process consumes extra energy, and therefore a high-activity catalyst needs to be additionally used. The current research shows that the noble metal has higher catalytic performance, but the noble metal is expensive and is not suitable for large-scale production. The non-precious metal catalyst with rich development resources, high efficiency, outstanding stability and the like can replace precious metal, and large-scale production can be realized in the future.
Black phosphorus-based composite photocatalytic materials such as BPQDs (Black phosphorus Quantum dots)/ZnIn 2 S 4 BP/RP (black phosphorus/red phosphorus), BP-CdS-LTO and the like are widely concerned due to the excellent catalytic performance. The key point of the material is that the photocatalytic hydrogen production rate of the material is improved by introducing black phosphorus, but the improvement range is not high, and the photocatalytic hydrogen evolution performance needs to be further improved.
Disclosure of Invention
In order to solve the technical problem, the invention provides a BPQDs/MoO 3 /ZnIn 2 S 4 Firstly, moO is prepared through solvothermal reaction 3 /ZnIn 2 S 4 Binary heterogeneityThe structure effectively improves the material at lambda>Hydrogen evolution capacity under 420nm visible light, after which the MoO 3 /ZnIn 2 S 4 The binary heterostructure is compounded with the black phosphorus quantum dot, and the hydrogen evolution performance of the composite material is further promoted by utilizing the high-efficiency carrier migration rate of the black phosphorus.
The invention is realized by the following technical scheme.
The invention firstly provides BPQDs/MoO 3 /ZnIn 2 S 4 The preparation method of the composite photocatalytic material with the ternary heterostructure comprises the following steps:
s1, mixing MoO 3 Adding divalent zinc salt, trivalent indium salt and thioacetamide into a solvent, and carrying out solvothermal reaction at 100-150 ℃ to obtain MoO 3 /ZnIn 2 S 4 ；
S2, moO prepared from S1 3 /ZnIn 2 S 4 Placing in dispersant, adding black phosphorus quantum dots, stirring at 40-80 deg.C, and compounding to obtain BPQDs/MoO 3 /ZnIn 2 S 4 A composite photocatalytic material with ternary heterostructure is disclosed.
Preferably, in S1, the divalent zinc salt is zinc chloride, zinc nitrate, zinc acetate or zinc sulfate.
Preferably, in S1, the trivalent indium salt is indium chloride, indium acetate, indium sulfate, or indium nitrate.
Preferably, in S1, the solvent is ethanol or water.
Preferably, in S1, moO 3 The molar ratio of the divalent zinc salt to the trivalent indium salt to the thioacetamide is 0.25-2, and the molar ratio of the divalent zinc salt to the trivalent indium salt to the thioacetamide is 0.5-1:1-2:2-4.
Preferably, in S1, the solvothermal reaction time is 10-15h.
Preferably, in S2, the black phosphorus quantum dot is prepared by the following method:
firstly, adding N-methyl pyrrolidone (NMP) into black phosphorus powder, and uniformly dispersing by ultrasonic; carrying out ice bath ultrasound by using a cell ultrasonicator to fully strip large black phosphorus, centrifuging to remove large residues, obtaining supernate, namely the black phosphorus quantum dots taking NMP as a solvent, carrying out rotary evaporation, and then adding water to obtain the black phosphorus quantum dots taking water as the solvent;
the dosage ratio of the black phosphorus powder, NMP and water is 5mg:10ml:1ml; moO 3 /ZnIn 2 S 4 And the dosage proportion of the black phosphorus quantum dots is 100mg: 50-300. Mu.l.
Preferably, in S2, the dispersant is ethanol; the stirring compounding time is 12h.
It is a second object of the present invention to provide BPQDs/MoO prepared by the above preparation method 3 /ZnIn 2 S 4 A composite photocatalytic material with a ternary heterostructure is disclosed.
The third purpose of the invention is to provide the application of the ternary heterostructure composite photocatalytic material in hydrogen production by photolysis of water.
Compared with the prior art, the invention has the following beneficial effects:
(1) The invention prepares BPQDs/MoO for the first time 3 /ZnIn 2 S 4 A three-element heterostructure composite photocatalytic material is prepared by firstly preparing MoO through solvothermal reaction 3 /ZnIn 2 S 4 Binary heterostructure, moO 3 /ZnIn 2 S 4 Under the irradiation of light, the binary heterostructure has separated electrons and holes, moO due to energy level difference 3 Transfer of electrons on the conduction band to ZnIn 2 S 4 The holes are consumed on the valence band, so that ZnIn can be accelerated 2 S 4 Separation of electrons and holes, increase of electron transfer rate, moO 3 And ZnIn 2 S 4 A Z-shaped heterostructure is formed between the two to promote the photocatalytic hydrogen production and effectively promote the material to be in lambda>Hydrogen evolution capacity under visible light of 420 nm; then MoO is added 3 /ZnIn 2 S 4 The binary heterostructure is compounded with the black phosphorus quantum dot, and the hydrogen evolution performance of the composite material is further promoted by utilizing the high-efficiency carrier migration rate of the black phosphorus;
(2) The BPQDs/MoO prepared by the invention 3 /ZnIn 2 S 4 The catalyst does not need any noble metal, the raw material source is wide, the price is low, and the prepared BPQDs/MoO 3 /ZnIn 2 S 4 The composite photocatalytic material with the ternary heterostructure has good performance under visible lightThe hydrogen evolution performance of (2) and good stability, thus being suitable for large-scale use.
Drawings
FIG. 1 shows BPQDs/MoO provided in example 1 3 /ZnIn 2 S 4 A powder X-ray diffraction pattern of the composite photocatalytic material with the ternary heterostructure;
FIG. 2 shows BPQDs/MoO provided in example 1 3 /ZnIn 2 S 4 A transmission diagram of the composite photocatalytic material with the ternary heterostructure;
FIG. 3 shows BPQDs/MoO 3 /ZnIn 2 S 4 A performance diagram of the composite photocatalytic material with the ternary heterostructure; (a) The middle X-axis MZ 1-4, MZ1-3, MZ 1-2, MZ 1-1, MZ 2-1 represent MoO, respectively 3 And ZnIn 2 S 4 Hydrogen production rates corresponding to different molar ratios of the hydrogen production medium; (b) The medium 0.5BPMZ, 1BPMZ, 2BPMZ, 3BPMZ represent the hydrogen production rate when 50, 100, 150, 200 microliters of black phosphorus quantum dots are respectively added to 100mg of MZ-1-3 material.
Detailed Description
In order to make the technical solutions of the present invention better understood and implemented by those skilled in the art, the present invention is further described below with reference to the following specific embodiments and the accompanying drawings, but the embodiments are not meant to limit the present invention. The experimental methods and the detection methods described in the following examples are all conventional methods unless otherwise specified; the reagents and materials are commercially available, unless otherwise specified.
Example 1
BPQDs/MoO 3 /ZnIn 2 S 4 The preparation method of the composite photocatalytic material with the ternary heterostructure comprises the following steps:
(1)MoO 3 any one of the methods in the prior art can be selected for preparation, and the preparation method in the embodiment comprises the following steps: adding 30ml of water into 1g of ammonium molybdate, then titrating with 5ml of nitric acid, continuously stirring for 30min after titration is finished, then adding 50ml of polytetrafluoroethylene lining, then placing the stainless steel reaction kettle, and reacting for 24h at 180 ℃ to obtain a white product, namely MoO 3 ；
(2) Then 0.33mmol MoO is taken 3 Put into a 30ml second containerUltrasonic treating in alcohol for 30min, dissolving completely, adding 1mmol zinc chloride, 2mmol indium chloride, 4mmol thioacetamide, adding 50ml polytetrafluoroethylene lining, reacting at 120 deg.C for 12 hr, centrifuging, drying in 60 deg.C oven for 12 hr to obtain MoO 3 /ZnIn 2 S 4 ；
(3) Then 100mg of the catalyst is dispersed into 20ml of ethanol solution, 100 mul of Black Phosphorus Quantum Dots (BPQDs) are added and stirred for 12h at the temperature of 60 ℃, then the mixture is centrifuged and placed in a vacuum drying oven at the temperature of 60 ℃ for drying, and the obtained sample is the BPQDs/MoO 3 /ZnIn 2 S 4 A ternary heterostructure composite photocatalytic material;
the method for adding the black phosphorus quantum dots comprises the following steps of: firstly, 10ml of NMP solution is added into 5mg of black phosphorus powder, and then ultrasonic treatment is carried out for 1h to ensure that the black phosphorus powder is uniformly dispersed. And then, carrying out ice bath ultrasound for 6h by using a cell ultrasonicator to fully strip the massive black phosphorus, then centrifuging for 1h to remove the massive residues, and obtaining supernate, namely the black phosphorus quantum dots taking NMP as the solvent. And then carrying out rotary evaporation on the mixture by using a rotary evaporator, and adding 1ml of water to prepare the black phosphorus quantum dot taking water as a solvent.
Example 2
BPQDs/MoO 3 /ZnIn 2 S 4 The preparation method of the composite photocatalytic material with the ternary heterostructure comprises the following steps:
(1) To 1g of ammonium molybdate was added 30ml of water, followed by titration with 5ml of nitric acid. After titration is finished, the mixture is continuously stirred for 30min, then is put into a stainless steel reaction kettle after 50ml of polytetrafluoroethylene lining is put into the stainless steel reaction kettle to react for 24h at 180 ℃, and then a white product, namely MoO is obtained 3 ；
(2) Then 0.25mmol MoO is taken 3 Putting into 30ml ethanol, performing ultrasonic treatment for 30min, dissolving completely, adding 1mmol zinc chloride, 2mmol indium chloride, 4mmol thioacetamide, putting into 50ml polytetrafluoroethylene lining, putting into stainless steel reaction kettle, reacting at 120 deg.C for 12h, centrifuging, drying in 60 deg.C oven for 12h to obtain MoO 3 /ZnIn 2 S 4 ；
(3) 100mg of the catalyst was then dispersed in 20ml of ethanol solution and 100. Mu.l was addedStirring Black Phosphorus Quantum Dots (BPQDs) at 60 ℃ for 12h, centrifuging the mixture, and drying the centrifuged mixture in a vacuum drying oven at 60 ℃ to obtain a sample, namely BPQDs/MoO 3 /ZnIn 2 S 4 A ternary heterostructure composite photocatalytic material;
the method for adding the black phosphorus quantum dots comprises the following steps of: firstly, 10ml of NMP solution is added into 5mg of black phosphorus powder, and then the black phosphorus powder is subjected to ultrasonic treatment for 1 hour to be uniformly dispersed. And then, carrying out ice bath ultrasound for 6h by using a cell ultrasonicator to fully strip the massive black phosphorus, then centrifuging for 1h to remove the massive residues, and obtaining supernate, namely the black phosphorus quantum dots taking NMP as the solvent. And then carrying out rotary evaporation on the mixture by using a rotary evaporator, and adding 1ml of water to prepare the black phosphorus quantum dot taking water as a solvent.
Example 3
BPQDs/MoO 3 /ZnIn 2 S 4 The preparation method of the composite photocatalytic material with the ternary heterostructure comprises the following steps:
(1) To 1g of ammonium molybdate was added 30ml of water, followed by titration with 5ml of nitric acid. After titration is finished, the mixture is continuously stirred for 30min, then is put into a stainless steel reaction kettle after 50ml of polytetrafluoroethylene lining is put into the stainless steel reaction kettle to react for 24h at 180 ℃, and then a white product, namely MoO is obtained 3 ；
(2) Then 0.5mmol MoO is taken 3 Putting into 30ml ethanol, performing ultrasonic treatment for 30min, dissolving completely, adding 1mmol zinc chloride, 2mmol indium chloride, 4mmol thioacetamide, putting into 50ml polytetrafluoroethylene lining, putting into stainless steel reaction kettle, reacting at 120 deg.C for 12h, centrifuging, drying in 60 deg.C oven for 12h to obtain MoO 3 /ZnIn 2 S 4 ；
(3) Then 100mg of the catalyst is dispersed into 20ml of ethanol solution, 100 mul of Black Phosphorus Quantum Dots (BPQDs) are added and stirred for 12h at the temperature of 60 ℃, then the mixture is centrifuged and placed in a vacuum drying oven at the temperature of 60 ℃ for drying, and the obtained sample is the BPQDs/MoO 3 /ZnIn 2 S 4 A ternary heterostructure composite photocatalytic material;
the method for adding the black phosphorus quantum dots comprises the following steps of: firstly, 10ml of NMP solution is added into 5mg of black phosphorus powder, and then ultrasonic treatment is carried out for 1h to ensure that the black phosphorus powder is uniformly dispersed. And then, carrying out ice bath ultrasound for 6h by using a cell ultrasonicator to fully strip the massive black phosphorus, then centrifuging for 1h to remove the massive residues, and obtaining supernate, namely the black phosphorus quantum dots taking NMP as the solvent. And then carrying out rotary evaporation on the mixture by using a rotary evaporator, and adding 1ml of water to prepare the black phosphorus quantum dot taking water as a solvent.
Example 4
BPQDs/MoO 3 /ZnIn 2 S 4 The preparation method of the composite photocatalytic material with the ternary heterostructure comprises the following steps:
(1) To 1g of ammonium molybdate was added 30ml of water, followed by titration with 5ml of nitric acid. After titration is finished, the mixture is continuously stirred for 30min, then is put into a stainless steel reaction kettle after 50ml of polytetrafluoroethylene lining is put into the stainless steel reaction kettle to react for 24h at 180 ℃, and then a white product, namely MoO is obtained 3 ；
(2) Then take 1mmolMoO 3 Putting into 30ml ethanol, performing ultrasonic treatment for 30min, dissolving completely, adding 1mmol zinc chloride, 2mmol indium chloride, 4mmol thioacetamide, putting into 50ml polytetrafluoroethylene lining, putting into stainless steel reaction kettle, reacting at 120 deg.C for 12h, centrifuging, drying in 60 deg.C oven for 12h to obtain MoO 3 /ZnIn 2 S 4 ；
(3) Then 100mg of the catalyst is dispersed into 20ml of ethanol solution, 100 mul of Black Phosphorus Quantum Dots (BPQDs) are added and stirred for 12h at the temperature of 60 ℃, then the mixture is centrifuged and placed in a vacuum drying oven at the temperature of 60 ℃ for drying, and the obtained sample is the BPQDs/MoO 3 /ZnIn 2 S 4 A ternary heterostructure composite photocatalytic material;
the method for adding the black phosphorus quantum dots comprises the following steps of: firstly, 10ml of NMP solution is added into 5mg of black phosphorus powder, and then the black phosphorus powder is subjected to ultrasonic treatment for 1 hour to be uniformly dispersed. And then, carrying out ice bath ultrasound for 6h by using a cell ultrasonicator to fully strip the massive black phosphorus, then centrifuging for 1h to remove the massive residues, and obtaining supernate, namely the black phosphorus quantum dots taking NMP as the solvent. And then carrying out rotary evaporation on the mixture by using a rotary evaporator, and adding 1ml of water to prepare the black phosphorus quantum dot taking water as a solvent.
Example 5
BPQDs/MoO 3 /ZnIn 2 S 4 The preparation method of the composite photocatalytic material with the ternary heterostructure comprises the following steps:
(1) To 1g of ammonium molybdate was added 30ml of water, followed by titration with 5ml of nitric acid. After titration is finished, the mixture is continuously stirred for 30min, then is put into a stainless steel reaction kettle after 50ml of polytetrafluoroethylene lining is put into the stainless steel reaction kettle to react for 24h at 180 ℃, and then a white product, namely MoO is obtained 3 ；
(2) Then take 2mmolMoO 3 Putting into 30ml ethanol, performing ultrasonic treatment for 30min, dissolving completely, adding 1mmol zinc chloride, 2mmol indium chloride, 4mmol thioacetamide, putting into 50ml polytetrafluoroethylene lining, putting into stainless steel reaction kettle, reacting at 120 deg.C for 12h, centrifuging, drying in 60 deg.C oven for 12h to obtain MoO 3 /ZnIn 2 S 4 ；
(3) Then 100mg of the catalyst is dispersed into 20ml of ethanol solution, 100 mul of Black Phosphorus Quantum Dots (BPQDs) are added and stirred for 12h at the temperature of 60 ℃, then the mixture is centrifuged and placed in a vacuum drying oven at the temperature of 60 ℃ for drying, and the obtained sample is the BPQDs/MoO 3 /ZnIn 2 S 4 A ternary heterostructure composite photocatalytic material;
the method for adding the black phosphorus quantum dots comprises the following steps of: firstly, 10ml of NMP solution is added into 5mg of black phosphorus powder, and then the black phosphorus powder is subjected to ultrasonic treatment for 1 hour to be uniformly dispersed. And then carrying out ice-bath ultrasound for 6h by using a cell ultrasonicator to fully strip the massive black phosphorus, then centrifuging for 1h to remove the massive residues, and obtaining supernate, namely the black phosphorus quantum dots taking NMP as a solvent. And then carrying out rotary evaporation on the mixture by using a rotary evaporator, and adding 1ml of water to prepare the black phosphorus quantum dot taking water as a solvent.
Example 6
BPQDs/MoO 3 /ZnIn 2 S 4 The preparation method of the composite photocatalytic material with the ternary heterostructure comprises the following steps:
(1) To 1g of ammonium molybdate was added 30ml of water, followed by titration with 5ml of nitric acid. After titration is finished, the mixture is continuously stirred for 30min, then is put into a 50ml polytetrafluoroethylene lining and is put into a stainless steel reaction kettle for reaction at 180 DEG CObtaining a white product namely MoO after 24 hours 3 ；
(2) Then 0.33mmol MoO is taken 3 Placing into 30ml ethanol, performing ultrasonic treatment for 30min, dissolving completely, adding 1mmol zinc chloride, 2mmol indium chloride, and 4mmol thioacetamide, placing into 50ml polytetrafluoroethylene lining, placing into stainless steel reaction kettle, reacting at 120 deg.C for 12h, centrifuging, placing into 60 deg.C oven, and drying for 12h to obtain MoO 3 /ZnIn 2 S 4 ；
(3) Then 100mg of the catalyst is dispersed into 20ml of ethanol solution, 50 mul of Black Phosphorus Quantum Dots (BPQDs) are added into the ethanol solution and stirred for 12 hours at the temperature of 60 ℃, then the mixture is centrifuged and placed in a vacuum drying oven at the temperature of 60 ℃ for drying, and the obtained sample is the BPQDs/MoO 3 /ZnIn 2 S 4 A ternary heterostructure composite photocatalytic material;
the method for adding the black phosphorus quantum dots comprises the following steps of: firstly, 10ml of NMP solution is added into 5mg of black phosphorus powder, and then the black phosphorus powder is subjected to ultrasonic treatment for 1 hour to be uniformly dispersed. And then, carrying out ice bath ultrasound for 6h by using a cell ultrasonicator to fully strip the massive black phosphorus, then centrifuging for 1h to remove the massive residues, and obtaining supernate, namely the black phosphorus quantum dots taking NMP as the solvent. And then carrying out rotary evaporation on the mixture by using a rotary evaporator, and adding 1ml of water to prepare the black phosphorus quantum dot taking water as a solvent.
Example 7
BPQDs/MoO 3 /ZnIn 2 S 4 The preparation method of the composite photocatalytic material with the ternary heterostructure comprises the following steps:
(1) To 1g of ammonium molybdate was added 30ml of water, followed by titration with 5ml of nitric acid. After titration is finished, the mixture is continuously stirred for 30min, then is put into a stainless steel reaction kettle after 50ml of polytetrafluoroethylene lining is put into the stainless steel reaction kettle to react for 24h at 180 ℃, and then a white product, namely MoO is obtained 3 ；
(2) Then 0.33mmol MoO is taken 3 Putting into 30ml ethanol, performing ultrasonic treatment for 30min, dissolving completely, adding 1mmol zinc chloride, 2mmol indium chloride, 4mmol thioacetamide, putting into 50ml polytetrafluoroethylene lining, putting into stainless steel reaction kettle, reacting at 120 deg.C for 12h, centrifuging, drying in 60 deg.C oven for 12h to obtain MoO 3 /ZnIn 2 S 4 ；
(3) Then 100mg of the catalyst is dispersed into 20ml of ethanol solution, 200 mul of Black Phosphorus Quantum Dots (BPQDs) are added into the ethanol solution and stirred for 12 hours at the temperature of 60 ℃, then the mixture is centrifuged and placed in a vacuum drying oven at the temperature of 60 ℃ for drying, and the obtained sample is the BPQDs/MoO 3 /ZnIn 2 S 4 A ternary heterostructure composite photocatalytic material;
the method for adding the black phosphorus quantum dots comprises the following steps of: firstly, 10ml of NMP solution is added into 5mg of black phosphorus powder, and then the black phosphorus powder is subjected to ultrasonic treatment for 1 hour to be uniformly dispersed. And then, carrying out ice bath ultrasound for 6h by using a cell ultrasonicator to fully strip the massive black phosphorus, then centrifuging for 1h to remove the massive residues, and obtaining supernate, namely the black phosphorus quantum dots taking NMP as the solvent. And then carrying out rotary evaporation on the mixture by using a rotary evaporator, and adding 1ml of water to prepare the black phosphorus quantum dot taking water as a solvent.
Example 8
BPQDs/MoO 3 /ZnIn 2 S 4 The preparation method of the composite photocatalytic material with the ternary heterostructure comprises the following steps:
(1) To 1g of ammonium molybdate was added 30ml of water, followed by titration with 5ml of nitric acid. After titration is finished, the mixture is continuously stirred for 30min, then is put into a stainless steel reaction kettle after 50ml of polytetrafluoroethylene lining is put into the stainless steel reaction kettle to react for 24h at 180 ℃, and then a white product, namely MoO is obtained 3 ；
(2) Then 0.33mmol MoO is taken 3 Putting into 30ml ethanol, performing ultrasonic treatment for 30min, dissolving completely, adding 1mmol zinc chloride, 2mmol indium chloride, 4mmol thioacetamide, putting into 50ml polytetrafluoroethylene lining, putting into stainless steel reaction kettle, reacting at 120 deg.C for 12h, centrifuging, drying in 60 deg.C oven for 12h to obtain MoO 3 /ZnIn 2 S 4 ；
(3) Then 100mg of the catalyst is dispersed into 20ml of ethanol solution, 300 mu l of Black Phosphorus Quantum Dots (BPQDs) are added into the ethanol solution and stirred for 12 hours at the temperature of 60 ℃, then the mixture is centrifuged and placed in a vacuum drying oven at the temperature of 60 ℃ for drying, and the obtained sample is the BPQDs/MoO 3 /ZnIn 2 S 4 A ternary heterostructure composite photocatalytic material;
the method for adding the black phosphorus quantum dots comprises the following steps of: firstly, 10ml of NMP solution is added into 5mg of black phosphorus powder, and then the black phosphorus powder is subjected to ultrasonic treatment for 1 hour to be uniformly dispersed. And then, carrying out ice bath ultrasound for 6h by using a cell ultrasonicator to fully strip the massive black phosphorus, then centrifuging for 1h to remove the massive residues, and obtaining supernate, namely the black phosphorus quantum dots taking NMP as the solvent. And then carrying out rotary evaporation on the mixture by using a rotary evaporator, and adding 1ml of water to prepare the black phosphorus quantum dot taking water as a solvent.
The catalyst prepared in example 1 was subjected to X-ray diffraction, and the results are shown in fig. 1. As can be seen from FIG. 1, the XRD peaks appearing at 21.58, 27.69, 47.17, 55.58, 77.19 ° correspond to (006), (102), (110), (022), (212) planes (PDF # 065-2023), 12.76, 23.33, 25.70, 27.33, 38.98 ° correspond to (020), (110), (040), (021), (060) planes (PDF # 05-0508) indicate that the application successfully prepared BPDs QDs/MoO 3 /ZnIn 2 S 4 A catalyst. The X-ray diffraction data of the catalysts prepared in the other examples are similar to those of example 1, and are not repeated.
The TEM morphology of the catalyst prepared in example 1 was examined, and the results are shown in FIG. 2. The morphology of the catalyst is mainly formed by ZnIn 2 S 4 Flower slices are uniformly coated on MoO 3 Nano-scale sheet, and black phosphorus quantum dot supported on ZnIn 2 S 4 The above morphology shows that 0.33nm lattice spacing corresponds to the (021) crystal face of the black phosphorus quantum dot, and 0.21nm lattice spacing corresponds to ZnIn 2 S 4 The (019) crystal face at 0.198nm corresponds to MoO 3 The (220) crystal plane of (c). The TEM appearances of the catalysts prepared in the other examples are similar to those of the catalyst prepared in example 1, and the description is omitted.
The photocatalytic hydrogen evolution of the prepared catalyst was examined, and the results are shown in fig. 3. BPQDs/MoO 3 /ZnIn 2 S 4 At λ>The hydrogen evolution rate under visible light of 420nm can reach 5.45mmol/g/h, wherein in (a), X axes MZ 1-4, MZ1-3, MZ 1-2, MZ 1-1 and MZ 2-1 respectively represent MoO 3 And ZnIn 2 S 4 The hydrogen production rates corresponding to different molar ratios of (a) and (b) are 0.5BPMZ,1BPMZ, 2BPMZ, 3BPMZ represent the 100mg MZ-1-3 material with the addition of 50, 100, 150, 200 microliter black phosphorus quantum dot hydrogen production rate. The best hydrogen production rate of 1BPMZ can reach 5.45mmol/g/h, which shows that the catalyst prepared in the embodiment 1 of the invention has better catalytic performance. The hydrogen production rate of the prepared ternary composite material is improved by 10 times compared with the original sulfur indium zinc photocatalysis hydrogen production rate, and the hydrogen production rate is higher than the catalytic performance of the existing black phosphorus-based composite photocatalytic material in the background technology, because: firstly, the MoO is prepared by solvothermal reaction 3 /ZnIn 2 S 4 Binary heterostructure, moO 3 /ZnIn 2 S 4 Under the irradiation of light, the binary heterostructure has separated electrons and holes, moO due to energy level difference 3 Transfer of electrons on the conduction band to ZnIn 2 S 4 The holes are consumed on the valence band, so that ZnIn can be accelerated 2 S 4 Separation of electrons and holes, increase of electron transfer rate, moO 3 And ZnIn 2 S 4 A Z-shaped heterostructure is formed between the two to promote the photocatalytic hydrogen production and effectively promote the material to be in lambda>Hydrogen evolution capacity under visible light of 420 nm; then MoO is added 3 /ZnIn 2 S 4 The binary heterostructure is compounded with the black phosphorus quantum dots, and the hydrogen evolution performance of the composite material is further promoted by utilizing the high-efficiency carrier migration rate of the black phosphorus.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, it is intended that such changes and modifications be included within the scope of the appended claims and their equivalents.
Claims (10)
1.BPQDs/MoO 3 /ZnIn 2 S 4 The preparation method of the composite photocatalytic material with the ternary heterostructure is characterized by comprising the following steps:
s1, mixing MoO 3 Adding divalent zinc salt, trivalent indium salt and thioacetamide into a solvent, and carrying out solvothermal reaction at 100-150 ℃ to obtain MoO 3 /ZnIn 2 S 4 ；
S2, moO prepared from S1 3 /ZnIn 2 S 4 Placing in dispersant, adding black phosphorus quantum dots, stirring at 40-80 deg.C, and compounding to obtain BPQDs/MoO 3 /ZnIn 2 S 4 A composite photocatalytic material with ternary heterostructure is disclosed.
2. The BPQDs/MoO according to claim 1 3 /ZnIn 2 S 4 The preparation method of the ternary heterostructure composite photocatalytic material is characterized in that in S1, divalent zinc salt is zinc chloride, zinc nitrate, zinc acetate or zinc sulfate.
3. The BPQDs/MoO according to claim 1 3 /ZnIn 2 S 4 The preparation method of the composite photocatalytic material with the ternary heterostructure is characterized in that in S1, trivalent indium salt is indium chloride, indium acetate, indium sulfate or indium nitrate.
4. The BPQDs/MoO according to claim 1 3 /ZnIn 2 S 4 The preparation method of the composite photocatalytic material with the ternary heterostructure is characterized in that in S1, the solvent is ethanol or water.
5. The BPQDs/MoO according to claim 1 3 /ZnIn 2 S 4 The preparation method of the ternary heterostructure composite photocatalytic material is characterized in that in S1, moO 3 And the molar ratio of the divalent zinc salt to the trivalent indium salt to the thioacetamide is 0.25-2:0.5-1:1-2:2-4.
6. The BPQDs/MoO according to claim 1 3 /ZnIn 2 S 4 The preparation method of the ternary heterostructure composite photocatalytic material is characterized in that in S1, the solvothermal reaction time is 10-15h.
7. The BPQDs/MoO according to claim 1 3 /ZnIn 2 S 4 The preparation method of the ternary heterostructure composite photocatalytic material is characterized in that in S2, the black materialThe phosphorus quantum dots are prepared by the following method:
firstly, adding N-methyl pyrrolidone into black phosphorus powder, and uniformly dispersing by ultrasonic; performing ice bath ultrasound by using a cell ultrasonicator to fully strip large black phosphorus, centrifuging to remove large residues, obtaining supernate, namely black phosphorus quantum dots taking N-methylpyrrolidone as a solvent, performing rotary evaporation, and adding water to prepare the black phosphorus quantum dots taking water as the solvent;
the dosage ratio of the black phosphorus powder, the N-methyl pyrrolidone and the water is 5mg:10ml:1ml; moO 3 /ZnIn 2 S 4 And the dosage proportion of the black phosphorus quantum dots taking water as a solvent is 100mg: 50-300. Mu.l.
8. The BPQDs/MoO according to claim 1 3 /ZnIn 2 S 4 The preparation method of the composite photocatalytic material with the ternary heterostructure is characterized in that in S2, a dispersant is ethanol; the stirring compounding time is 12h.
9. The BPQDs/MoO produced by the production method according to any one of claims 1 to 8 3 /ZnIn 2 S 4 A composite photocatalytic material with ternary heterostructure is disclosed.
10. The BPQDs/MoO according to claim 9 3 /ZnIn 2 S 4 The application of the ternary heterostructure composite photocatalytic material in hydrogen production by photolysis of water.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772383A (en) * | 2019-03-07 | 2019-05-21 | 华南师范大学 | A kind of sulfur-indium-zinc/black phosphorus quantum dot and its preparation method and application |
| CN110252354A (en) * | 2019-06-20 | 2019-09-20 | 复旦大学 | A kind of black phosphorus indium sulfide zinc composite visible light catalyst and preparation method thereof |
| CN112023947A (en) * | 2020-08-18 | 2020-12-04 | 河南师范大学 | Composite material and preparation method and application thereof |
| CN112495401A (en) * | 2020-11-30 | 2021-03-16 | 华南理工大学 | Mo-doped MoO3@ZnIn2S4Z-system photocatalyst and preparation method and application thereof |
| US11063164B1 (en) * | 2020-09-17 | 2021-07-13 | Allen Howard Engel | Method and materials to manufacture heterojunctions, diodes, and solar cells |
-
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772383A (en) * | 2019-03-07 | 2019-05-21 | 华南师范大学 | A kind of sulfur-indium-zinc/black phosphorus quantum dot and its preparation method and application |
| CN110252354A (en) * | 2019-06-20 | 2019-09-20 | 复旦大学 | A kind of black phosphorus indium sulfide zinc composite visible light catalyst and preparation method thereof |
| CN112023947A (en) * | 2020-08-18 | 2020-12-04 | 河南师范大学 | Composite material and preparation method and application thereof |
| US11063164B1 (en) * | 2020-09-17 | 2021-07-13 | Allen Howard Engel | Method and materials to manufacture heterojunctions, diodes, and solar cells |
| CN112495401A (en) * | 2020-11-30 | 2021-03-16 | 华南理工大学 | Mo-doped MoO3@ZnIn2S4Z-system photocatalyst and preparation method and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| QUAN ZHANG ET AL.: ""Black phosphorus quantum dots facilitate carrier separation for enhancing hydrogen production over hierarchical Cu7S4/ZnIn2S4 composites"", 《CATAL. SCI. TECHNOL》 * |
| RUIMING JIA ET AL.: ""Construction of 2D-layered quantum dots/2D-nanosheets heterostructures with compact interfaces for highly efficient photocatalytic hydrogen evolution"", 《JOURNAL OF COLLOID AND INTERFACE SCIENCE》 * |
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