CN105597787A - Monolayer molybdenum disulfide/ultrafine titanium dioxide nanoribbon heterostructure photocatalyst and preparation method thereof - Google Patents
Monolayer molybdenum disulfide/ultrafine titanium dioxide nanoribbon heterostructure photocatalyst and preparation method thereof Download PDFInfo
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- CN105597787A CN105597787A CN201610096318.3A CN201610096318A CN105597787A CN 105597787 A CN105597787 A CN 105597787A CN 201610096318 A CN201610096318 A CN 201610096318A CN 105597787 A CN105597787 A CN 105597787A
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- titanic oxide
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 229910052982 molybdenum disulfide Inorganic materials 0.000 title claims abstract description 16
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims description 26
- 239000011941 photocatalyst Substances 0.000 title abstract description 15
- 239000004408 titanium dioxide Substances 0.000 title abstract description 8
- 239000002074 nanoribbon Substances 0.000 title abstract 6
- 239000002356 single layer Substances 0.000 title abstract 3
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 229910052961 molybdenite Inorganic materials 0.000 claims abstract description 13
- 239000002086 nanomaterial Substances 0.000 claims abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 10
- 239000001257 hydrogen Substances 0.000 claims abstract description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000002127 nanobelt Substances 0.000 claims description 49
- 239000003054 catalyst Substances 0.000 claims description 33
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 32
- 229910052750 molybdenum Inorganic materials 0.000 claims description 32
- 239000011733 molybdenum Substances 0.000 claims description 32
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 19
- 238000013019 agitation Methods 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 18
- 239000003960 organic solvent Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 12
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 238000000967 suction filtration Methods 0.000 claims description 11
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 229960000583 acetic acid Drugs 0.000 claims description 6
- 229940010552 ammonium molybdate Drugs 0.000 claims description 6
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 6
- 239000011609 ammonium molybdate Substances 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 239000012362 glacial acetic acid Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- -1 thio ammonium molybdate Chemical compound 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 claims description 3
- 231100000719 pollutant Toxicity 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001699 photocatalysis Effects 0.000 abstract description 4
- 238000007146 photocatalysis Methods 0.000 abstract description 4
- 238000005286 illumination Methods 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 238000006731 degradation reaction Methods 0.000 abstract description 2
- 239000000969 carrier Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- 238000013032 photocatalytic reaction Methods 0.000 abstract 1
- 238000005215 recombination Methods 0.000 abstract 1
- 230000006798 recombination Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 15
- 238000006555 catalytic reaction Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000000593 degrading effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 2
- 229940012189 methyl orange Drugs 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002077 nanosphere Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
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- B01J35/39—
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/10—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation
- A62D3/17—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation to electromagnetic radiation, e.g. emitted by a laser
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/10—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation
- A62D3/17—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation to electromagnetic radiation, e.g. emitted by a laser
- A62D3/176—Ultraviolet radiations, i.e. radiation having a wavelength of about 3nm to 400nm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
- B01J27/047—Sulfides with chromium, molybdenum, tungsten or polonium
- B01J27/051—Molybdenum
-
- B01J35/40—
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- 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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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/20—Organic substances
- A62D2101/26—Organic substances containing nitrogen or phosphorus
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/20—Organic substances
- A62D2101/28—Organic substances containing oxygen, sulfur, selenium or tellurium, i.e. chalcogen
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0266—Processes for making hydrogen or synthesis gas containing a decomposition step
- C01B2203/0277—Processes for making hydrogen or synthesis gas containing a decomposition step containing a catalytic decomposition step
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1041—Composition of the catalyst
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The invention discloses a monolayer molybdenum disulfide/ultrafine titanium dioxide nanoribbon heterostructure photocatalyst. The photocatalyst is composed of an ultrafine titanium dioxide nanoribbon with the length of 100 nm-300 nm, the width of 5 nm-15 nm and the thickness of 1 nm-5 nm and a two-dimension nano material MoS2 with the thickness of 0.8 nm-3 nm, wherein the surface of the ultrafine titanium dioxide nanoribbon is wrapped by the two-dimension nano material MoS2, and in the photocatalyst, the mass ratio of MoS2 to TiO2 is (0.1-10) to 100. The photocatalyst combines the properties of MoS2 and TiO2, on one hand, under the action of illumination, MoS2 benefits carrier molecules, produced carriers facilitate the photo-catalytic reaction activity of the ultrafine TiO2 nanoribbon, and good catalytic performance is achieved for degradation of an organic pollution model compound and photocatalysis hydrogen production; on the other hand, the heterostructure can effectively inhibit recombination of the produced carriers. According to the monolayer molybdenum disulfide/ultrafine titanium dioxide nanoribbon heterostructure photocatalyst, the synthetic process and equipment are simple, the cost is low, the efficiency is high, the reaction period is short, the repeatability is good, and the industrial application prospect is wide.
Description
Technical field
The present invention relates to a kind of heterojunction structure photochemical catalyst and preparation method thereof, relate in particular to a kind of individual layer molybdenum bisuphide/ultra-fine twoTiOx nano band (MoS2/TiO2) heterojunction structure photochemical catalyst and preparation method thereof and application, belong to nano material photocatalysisTechnical field.
Background technology
Photochemical catalyst is a kind of photochemically reactive material that self do not participate in reacting and accelerating. Photocatalysis is photochemistry and catalystOrganically combine. Under the overall background of environmental pollution and energy crisis, photocatalysis is prepared clean energy resource-hydrogen and is degraded organicPollutant is a kind of high effective green environmentally friendly new technology that development in recent years is got up. But it is as the research and development of new functional material, also faceFace a lot of limitation, as single in catalytic performance, catalyst efficiency, inactivation and secondary pollution, sunshine utilization rate is low etc. BaseIn this, exploitation and structure heterojunction structure have become the important means of current acquisition novel high-performance catalysis material.
After Graphene, molybdenum bisuphide is the stratified nano materials that enjoys extensive concern. Individual layer molybdenum bisuphide has superior sending outOptical efficiency, good photon transport rate and self chemical stability, had comparatively extensive in fields such as two-dimensional material electronicsDeeply probe into, having scholarly forecast individual layer molybdenum bisuphide is that global scientist thinks the quite potential material of new generation semiconductor[HUANGYL,CHENY,ZHANGW,etal.Bandgaptunabilityatsingle-layermolybdenumdisulphidegrainboundaries[J].Naturecommunications,2015,6(6298.]。
Titanium dioxide is comparatively ripe at present catalysis material, wherein nano titanium oxide P25, and titanium dioxide nano-sphere, receivesPopped rice, the nano materials such as nanometer rods have good ultraviolet catalytic performance, and its photocatalysis performance has wide coverage. ButThat ripe catalysis material still exists following shortcomings: high catalytic activity face exposes less, reclaim separate difficult, only in ultravioletUnder optical condition, excite, sunshine utilization rate is low etc. Superfine titanic oxide nanobelt equally only has higher catalysis under ultraviolet lightPerformance, but it has higher active face, the easily advantage such as recovery. But up to now, for individual layer molybdenum bisuphide/ultra-fineThe heterojunction structure that titanium dioxide nano-belts is compounded to form, and utilize individual layer molybdenum bisuphide and superfine titanic oxide nanobelt heterojunction structureApplication as photochemical catalyst in catalyzing and degrading pollutant and product hydrogen have not been reported.
Summary of the invention
For the deficiencies in the prior art, the problem to be solved in the present invention is to provide one to be had photocatalytic degradation pollutant and produces hydrogenIndividual layer molybdenum bisuphide/superfine titanic oxide nanobelt (MoS of two kinds of performances2-TiO2) heterojunction structure photochemical catalyst and preparation side thereofMethod and application.
Individual layer molybdenum bisuphide/superfine titanic oxide nanobelt heterojunction structure photochemical catalyst of the present invention, is characterized in that: instituteStating photochemical catalyst is 100nm～300nm by size length, and wide is 5nm～15nm, and thickness is 1nm～5nm ultra-fine twoTiOx nano band and the two-dimensional nano material MoS that is 0.8nm～3nm at the thickness of its surface parcel one deck2Form, whereinIn described photochemical catalyst by quality ratio, MoS2:TiO2＝0.1～10:100。
Above-mentioned individual layer molybdenum bisuphide/superfine titanic oxide nanobelt heterojunction structure photochemical catalyst is preferred embodiment: described lightCatalyst is 200nm ± 50nm by size length, and wide is 10nm ± 2nm, and the superfine titanic oxide that thickness is 3nm ± 1nm is receivedRice band and the two-dimensional nano material MoS that is 1nm ± 0.2nm at the thickness of its surface parcel one deck2Form, wherein said light is urgedIn agent by quality ratio, MoS2:TiO2=3～6:100, most preferably MoS2:TiO2＝5:100。
The preparation method of individual layer molybdenum bisuphide/superfine titanic oxide nanobelt heterojunction structure photochemical catalyst of the present invention, step is:
1. in volume ratio, in DMF: the ratio preparation of glacial acetic acid (DMF:HAc)=6:4 mixes organic moltenAgent, by this mixed organic solvents, LiAc2H2O, butyl titanate are pressed 10L mixed organic solvents, 200gLiAc2H2O，The proportional quantities of 2L butyl titanate joins in hydrothermal reaction kettle successively, and compactedness is controlled at 50%～80% of reactor volume,And stir; Then seal hydrothermal reaction kettle, put it in drying box, make hydrothermal temperature be controlled at 200 ± 10 DEG C, anti-Answer 16h～24h, after reaction finishes, naturally cool to room temperature, products therefrom rinses to neutrality repeatedly with absolute ethyl alcohol, then takes outFilter, dry, the white powder obtaining is superfine titanic oxide nanobelt;
2. get the superfine titanic oxide nanobelt powder that 1. step make and be dispersed in water, ultrasonic agitation 30 ± 5min, preparation concentrationFor the TiO of 0.5g//L～5g/L2Suspension, gained solution is labeled as A;
3. MoS in mass ratio2:TiO2The ratio of=0.1～10:100, corresponding anti-to adding in A solution under ultrasonic agitation conditionThe four thio ammonium molybdate that should measure, and continue ultrasonic agitation 60 ± 5min, gained solution is labeled as B;
4. B solution is joined in hydrothermal reaction kettle, compactedness is controlled at 50%～80% of reactor volume, then sealingHydrothermal reaction kettle, puts it in drying box, makes hydrothermal temperature be controlled at 200 ± 10 DEG C, reaction 16h～24h, and reaction finishesAfter naturally cool to room temperature, products therefrom rinses repeatedly by deionized water, then suction filtration, dry, the pressed powder obtaining isIndividual layer molybdenum bisuphide/superfine titanic oxide nanobelt (MoS2-TiO2) heterojunction structure photochemical catalyst.
In the preparation method of above-mentioned individual layer molybdenum bisuphide/superfine titanic oxide nanobelt heterojunction structure photochemical catalyst: step 3. described inMoS2:TiO2Be preferably 3～6:100, most preferably be 5:100.
Individual layer molybdenum bisuphide/superfine titanic oxide nanobelt heterojunction structure photochemical catalyst of the present invention is at catalyzing and degrading pollutantAnd application in Photocatalyzed Hydrogen Production.
The present invention adopts hydro-thermal method to prepare individual layer molybdenum bisuphide/superfine titanic oxide nanobelt (MoS2-TiO2) heterojunction structure lightCatalyst, has obtained by superfine Ti O2Nanobelt and at its surface parcel two-dimensional nano material MoS2MoS2-TiO2Nanobelt is differentMatter structured light catalysis material. In the present invention, utilized the efficiency light absorbability of individual layer molybdenum bisuphide, good electron mobility andBoth are compound for good chemical stability and the advantage of superfine nano titanium dioxide, have successfully prepared individual layer molybdenum bisuphide parcel twoTiOx nano band composite photo-catalyst has good degradation effect and produces hydrogen performance methyl orange under sunshine.
Experiment confirms: heterojunction structure photochemical catalyst of the present invention is with TiO2For matrix, area load has two of high catalytic activityDimension nano material MoS2, combine good photochemical catalyst TiO2And the MoS of high photonic absorption, mobility2Character, at lightUnder effect, be conducive to carrier molecule, the carrier producing in addition, has promoted TiO2Light-catalyzed reaction activity. In illuminationUnder condition, degraded and Photocatalyzed Hydrogen Production to organic contamination model thing have good catalytic performance.
Brief description of the drawings
Fig. 1 is the MoS of preparation2、TiO2, individual layer molybdenum bisuphide/superfine titanic oxide nanobelt (MoS2-TiO2) hetero-junctionsX-ray diffraction (XRD) collection of illustrative plates of structure photocatalyst material.
Fig. 2 is individual layer molybdenum bisuphide/superfine titanic oxide nanobelt (MoS of preparation2-TiO2) heterojunction structure photocatalyst materialTransmission electron microscope (TEM) photo.
Fig. 3 is individual layer molybdenum bisuphide/superfine titanic oxide nanobelt (MoS of preparation2-TiO2) heterojunction structure photocatalyst materialPhoto under transmission electron microscope (TEM) high power.
Fig. 4 is individual layer molybdenum bisuphide/superfine titanic oxide nanobelt (MoS2-TiO2) scanning of heterojunction structure photocatalyst material thoroughlyRadio mirror (STEM) photo
Wherein: (a) individual layer molybdenum bisuphide/superfine titanic oxide nanobelt (MoS for preparing2-TiO2) heterojunction structure photocatalysisScanning transmission electron microscope (STEM) photo of agent material, (b) is EDSmapping, (c) for put the part of STEM photoLarge TEM photo.
Fig. 5 is individual layer molybdenum bisuphide/superfine titanic oxide nanobelt (MoS2-TiO2) heterojunction structure photochemical catalyst is at ultraviolet light,Degraded figure under visible ray illumination, and Photocatalyzed Hydrogen Production time history plot
Wherein: be (a) and (b) the individual layer MoS of preparation2/ superfine Ti O2Nanobelt heterojunction structure photocatalyst material is in ultravioletLight (a), the degraded figure under visible ray (b) illumination, (c) is Photocatalyzed Hydrogen Production time history plot.
Detailed description of the invention
Embodiment 1:
1. in volume ratio, in DMF: the ratio preparation of glacial acetic acid (DMF:HAc)=6:4 mixes organic moltenAgent, by this mixed organic solvents, LiAc2H2O, butyl titanate are pressed 10L mixed organic solvents, 200gLiAc2H2O，The proportional quantities of 2L butyl titanate joins in hydrothermal reaction kettle successively, and compactedness is controlled at 50%～80% of reactor volume,And stir; Then seal hydrothermal reaction kettle, put it in drying box, make hydrothermal temperature be controlled at 200 ± 10 DEG C, anti-Answer 20h, after reaction finishes, naturally cool to room temperature, products therefrom rinses to neutrality repeatedly with absolute ethyl alcohol, then suction filtration, dryDry, the white powder obtaining is superfine titanic oxide nanobelt;
2. get the superfine titanic oxide nanobelt powder that 1. step make and be dispersed in water, ultrasonic agitation 30 ± 5min, preparation concentrationFor the TiO of 3.5g/L2Suspension, gained solution is labeled as A;
3. MoS in mass ratio2:TiO2The ratio of=5:100 adds respective reaction amount under ultrasonic agitation condition in A solutionFour thio ammonium molybdate, and continue ultrasonic agitation 60 ± 5min, gained solution is labeled as B;
4. B solution is joined in hydrothermal reaction kettle, compactedness is controlled at 50%～80% of reactor volume, then sealingHydrothermal reaction kettle, puts it in drying box, makes hydrothermal temperature be controlled at 200 ± 10 DEG C, reaction 20h, and reaction finishes certainly rearSo be cooled to room temperature, products therefrom rinses repeatedly by deionized water, then suction filtration, dry, and the pressed powder obtaining is individual layerMolybdenum bisuphide/superfine titanic oxide nanobelt (MoS2-TiO2) heterojunction structure photochemical catalyst.
By the MoS relating in embodiment2、TiO2, individual layer molybdenum bisuphide/superfine titanic oxide nanobelt (MoS2-TiO2) heterogeneousStructured light catalyst sample is analyzed (the results are shown in Figure 1) with German Brooker D8X-x ray diffractometer x.
By the individual layer MoS of gained2/ superfine Ti O2Nanobelt heterojunction structure photocatalyst material sample is produced with Japanese JEOL companyJEM2100F type transmission electron microscope is observed (the results are shown in Figure 2, Fig. 3), and under dark field mode to catalyst elementsDistribution is analyzed. Individual layer molybdenum bisuphide/superfine titanic oxide nanobelt (MoS2-TiO2) heterojunction structure photocatalyst material sweepsRetouch transmission electron microscope (STEM) photo and the results are shown in Figure 4.
By the individual layer MoS of gained2/ superfine Ti O2Nanobelt heterojunction structure photocatalyst material sample ultraviolet light (UV) and canSee under light (Vis) irradiation methyl orange is degraded, after 15min, 120min irradiate, be degraded to 100% (result respectivelySee Fig. 5 a and Fig. 5 b); Record photodissociation water hydrogen-producing speed under simulated solar irradiation illuminate condition is 75.0 μ molg simultaneously-1·h-1(the results are shown in Figure 5c).
Embodiment 2:
1. in volume ratio, in DMF: the ratio preparation of glacial acetic acid (DMF:HAc)=6:4 mixes organic moltenAgent, by this mixed organic solvents, LiAc2H2O, butyl titanate are pressed 10L mixed organic solvents, 200gLiAc2H2O，The proportional quantities of 2L butyl titanate joins in hydrothermal reaction kettle successively, and compactedness is controlled at 60%～80% of reactor volume,And stir; Then seal hydrothermal reaction kettle, put it in drying box, make hydrothermal temperature be controlled at 200 ± 10 DEG C, anti-Answer 16h, after reaction finishes, naturally cool to room temperature, products therefrom rinses to neutrality repeatedly with absolute ethyl alcohol, then suction filtration, dryDry, the white powder obtaining is superfine titanic oxide nanobelt;
2. get the superfine titanic oxide nanobelt powder that 1. step make and be dispersed in water, ultrasonic agitation 30 ± 5min, preparation concentrationFor the TiO of 1.5g/L2Suspension, gained solution is labeled as A;
3. MoS in mass ratio2:TiO2The ratio of=10:100 adds respective reaction amount under ultrasonic agitation condition in A solutionFour thio ammonium molybdate, and continue ultrasonic agitation 60 ± 5min, gained solution is labeled as B;
4. B solution is joined in hydrothermal reaction kettle, compactedness is controlled at 60%～80% of reactor volume, then sealingHydrothermal reaction kettle, puts it in drying box, makes hydrothermal temperature be controlled at 200 ± 10 DEG C, reaction 16h, and reaction finishes certainly rearSo be cooled to room temperature, products therefrom rinses repeatedly by deionized water, then suction filtration, dry, and the pressed powder obtaining is individual layerMolybdenum bisuphide/superfine titanic oxide nanobelt (MoS2-TiO2) heterojunction structure photochemical catalyst.
Embodiment 3:
1. in volume ratio, in DMF: the ratio preparation of glacial acetic acid (DMF:HAc)=6:4 mixes organic moltenAgent, by this mixed organic solvents, LiAc2H2O, butyl titanate are pressed 10L mixed organic solvents, 200gLiAc2H2O，The proportional quantities of 2L butyl titanate joins in hydrothermal reaction kettle successively, and compactedness is controlled at 60%～70% of reactor volume,And stir; Then seal hydrothermal reaction kettle, put it in drying box, make hydrothermal temperature be controlled at 200 ± 10 DEG C, anti-Answer 24h, after reaction finishes, naturally cool to room temperature, products therefrom rinses to neutrality repeatedly with absolute ethyl alcohol, then suction filtration, dryDry, the white powder obtaining is superfine titanic oxide nanobelt;
2. get the superfine titanic oxide nanobelt powder that 1. step make and be dispersed in water, ultrasonic agitation 30 ± 5min, preparation concentrationFor the TiO of 4.5g/L2Suspension, gained solution is labeled as A;
3. MoS in mass ratio2:TiO2The ratio of=3:100 adds respective reaction amount under ultrasonic agitation condition in A solutionFour thio ammonium molybdate, and continue ultrasonic agitation 60 ± 5min, gained solution is labeled as B;
4. B solution is joined in hydrothermal reaction kettle, compactedness is controlled at 60%～70% of reactor volume, then sealingHydrothermal reaction kettle, puts it in drying box, makes hydrothermal temperature be controlled at 200 ± 10 DEG C, reaction 24h, and reaction finishes certainly rearSo be cooled to room temperature, products therefrom rinses repeatedly by deionized water, then suction filtration, dry, and the pressed powder obtaining is individual layerMolybdenum bisuphide/superfine titanic oxide nanobelt (MoS2-TiO2) heterojunction structure photochemical catalyst.
Embodiment 4:
1. in volume ratio, in DMF: the ratio preparation of glacial acetic acid (DMF:HAc)=6:4 mixes organic moltenAgent, by this mixed organic solvents, LiAc2H2O, butyl titanate are pressed 10L mixed organic solvents, 200gLiAc2H2O，The proportional quantities of 2L butyl titanate joins in hydrothermal reaction kettle successively, and compactedness is controlled at 70% of reactor volume, and stirsMix evenly; Then seal hydrothermal reaction kettle, put it in drying box, make hydrothermal temperature be controlled at 200 ± 10 DEG C, reaction 22h,After reaction finishes, naturally cool to room temperature, products therefrom rinses to neutrality repeatedly with absolute ethyl alcohol, and then suction filtration, dry, obtainsWhite powder be superfine titanic oxide nanobelt;
2. get the superfine titanic oxide nanobelt powder that 1. step make and be dispersed in water, ultrasonic agitation 30 ± 5min, preparation concentrationFor the TiO of 5g/L2Suspension, gained solution is labeled as A;
3. MoS in mass ratio2:TiO2The ratio of=6:100 adds respective reaction amount under ultrasonic agitation condition in A solutionFour thio ammonium molybdate, and continue ultrasonic agitation 60 ± 5min, gained solution is labeled as B;
4. B solution is joined in hydrothermal reaction kettle, compactedness is controlled at 70% of reactor volume, then seals hydro-thermal anti-Answer still, put it in drying box, make hydrothermal temperature be controlled at 200 ± 10 DEG C, reaction 22h, reaction finishes rear naturally coolingTo room temperature, products therefrom rinses repeatedly by deionized water, then suction filtration, dry, and the pressed powder obtaining is individual layer curingMolybdenum/superfine titanic oxide nanobelt (MoS2-TiO2) heterojunction structure photochemical catalyst.
Claims (6)
1. individual layer molybdenum bisuphide/superfine titanic oxide nanobelt heterojunction structure photochemical catalyst, is characterized in that: described photocatalysisAgent is 100nm～300nm by size length, and wide is 5nm～15nm, and the superfine titanic oxide that thickness is 1nm～5nm is receivedRice band and the two-dimensional nano material MoS that is 0.8nm～3nm at the thickness of its surface parcel one deck2Form, wherein said light is urgedIn agent by quality ratio, MoS2:TiO2＝0.1～10:100。
2. individual layer molybdenum bisuphide/superfine titanic oxide nanobelt heterojunction structure photochemical catalyst as claimed in claim 1, its feature existsIn: described photochemical catalyst is 200nm ± 50nm by size length, and wide is 10nm ± 2nm, and what thickness was 3nm ± 1nm is ultra-fineTitanium dioxide nano-belts and the two-dimensional nano material MoS that is 1nm ± 0.2nm at the thickness of its surface parcel one deck2Form, itsDescribed in photochemical catalyst by quality ratio, MoS2:TiO2＝3～6:100。
3. the preparation method of individual layer molybdenum bisuphide/superfine titanic oxide nanobelt heterojunction structure photochemical catalyst described in claim 1 or 2,Step is:
1. in volume ratio, in DMF: the ratio preparation mixed organic solvents of glacial acetic acid (DMF:HAc)=6:4,By this mixed organic solvents, LiAc2H2O, butyl titanate are pressed 10L mixed organic solvents, 200gLiAc2H2O，2LThe proportional quantities of butyl titanate joins in hydrothermal reaction kettle successively, and compactedness is controlled at 50%～80% of reactor volume, andStir; Then seal hydrothermal reaction kettle, put it in drying box, make hydrothermal temperature be controlled at 200 ± 10 DEG C, reaction16h～24h, reaction naturally cools to room temperature after finishing, products therefrom rinses to neutrality repeatedly with absolute ethyl alcohol, then suction filtration,Dry, the white powder obtaining is superfine titanic oxide nanobelt;
2. get the superfine titanic oxide nanobelt powder that 1. step make and be dispersed in water, ultrasonic agitation 30 ± 5min, preparation concentrationFor the TiO of 0.5g//L～5g/L2Suspension, gained solution is labeled as A;
3. MoS in mass ratio2:TiO2The ratio of=0.1～10:100, corresponding anti-to adding in A solution under ultrasonic agitation conditionThe four thio ammonium molybdate that should measure, and continue ultrasonic agitation 60 ± 5min, gained solution is labeled as B;
4. B solution is joined in hydrothermal reaction kettle, compactedness is controlled at 50%～80% of reactor volume, then seals waterThermal response still, puts it in drying box, makes hydrothermal temperature be controlled at 200 ± 10 DEG C, and reaction 16h～24h, after reaction finishesNaturally cool to room temperature, products therefrom rinses repeatedly by deionized water, then suction filtration, dry, and the pressed powder obtaining is listLayer molybdenum bisuphide/superfine titanic oxide nanobelt (MoS2-TiO2) heterojunction structure photochemical catalyst.
4. the preparation method of individual layer molybdenum bisuphide/superfine titanic oxide nanobelt heterojunction structure photochemical catalyst as claimed in claim 3,It is characterized in that: step is described MoS 3.2:TiO2＝3～6:100。
5. the preparation method of individual layer molybdenum bisuphide/superfine titanic oxide nanobelt heterojunction structure photochemical catalyst as claimed in claim 3,It is characterized in that: step is described MoS 3.2:TiO2＝5:100。
6. molybdenum bisuphide/the superfine titanic oxide of the individual layer described in claim 1 or 2 nanobelt heterojunction structure photochemical catalyst falls in catalysisSeparate the application in pollutant and Photocatalyzed Hydrogen Production.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106423223A (en) * | 2016-09-20 | 2017-02-22 | 中国计量大学 | MoSe2@TiO2 photocatalyst in caky porous structure and preparation method of MoSe2@TiO2 photocatalyst in caky porous structure |
| CN106861721A (en) * | 2016-12-22 | 2017-06-20 | 南昌航空大学 | The preparation method of molybdenum bisuphide monolithic catalyst |
| CN106902847A (en) * | 2017-03-24 | 2017-06-30 | 青岛大学 | A kind of molybdenum bisuphide/barium titanate ultrasound visible light catalyst and its preparation and application |
| CN107096548A (en) * | 2017-05-27 | 2017-08-29 | 青岛大学 | A kind of molybdenum disulfide quantum dot/superfine titanic oxide hetero-junctions nanobelt photochemical catalyst and preparation method and application |
| CN109331799A (en) * | 2018-10-22 | 2019-02-15 | 安徽理工大学 | A kind of fly ash loading photocatalysis material of titanium dioxide and preparation method thereof |
| CN111408386A (en) * | 2020-04-01 | 2020-07-14 | 环科创建有限公司 | MoS2Quantum dot supported nano TiO2Preparation method of (1) |
| CN113354298A (en) * | 2021-06-02 | 2021-09-07 | 桂林电子科技大学 | SnO (stannic oxide)2/MoS2Two-dimensional macroporous composite material film, preparation method and application thereof |
| CN115124869A (en) * | 2022-05-27 | 2022-09-30 | 佛山电器照明股份有限公司 | Visible light response space purification coating, preparation method thereof and lamp |
Families Citing this family (1)
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|---|---|---|---|---|
| CN106799244B (en) * | 2017-01-10 | 2019-10-01 | 江苏大学 | A kind of preparation method and purposes of Three-element composite photocatalyst |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140353166A1 (en) * | 2013-05-09 | 2014-12-04 | North Carolina State University | Novel process for scalable synthesis of molybdenum disulfide monolayer and few-layer films |
| CN104402052A (en) * | 2014-10-30 | 2015-03-11 | 华东师范大学 | TiO2-quantum-dot-and-MoS2-nanometer-flower-combined heterojunction semiconductor material and preparation method thereof |
| CN105098151A (en) * | 2015-06-19 | 2015-11-25 | 上海交通大学 | Molybdenum disulfide-carbon hollow ball hybrid material and preparation method thereof |
| CN105148947A (en) * | 2015-08-27 | 2015-12-16 | 江南大学 | Preparation and application of TiO2@MoS2 composite |
| CN105195133A (en) * | 2015-09-18 | 2015-12-30 | 黑龙江大学 | Preparation method of molybdenum disulfide-black titanium dioxide composite visible-light-driven photocatalyst for hydrogen production |
-
2016
- 2016-02-22 CN CN201610096318.3A patent/CN105597787B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140353166A1 (en) * | 2013-05-09 | 2014-12-04 | North Carolina State University | Novel process for scalable synthesis of molybdenum disulfide monolayer and few-layer films |
| CN104402052A (en) * | 2014-10-30 | 2015-03-11 | 华东师范大学 | TiO2-quantum-dot-and-MoS2-nanometer-flower-combined heterojunction semiconductor material and preparation method thereof |
| CN105098151A (en) * | 2015-06-19 | 2015-11-25 | 上海交通大学 | Molybdenum disulfide-carbon hollow ball hybrid material and preparation method thereof |
| CN105148947A (en) * | 2015-08-27 | 2015-12-16 | 江南大学 | Preparation and application of TiO2@MoS2 composite |
| CN105195133A (en) * | 2015-09-18 | 2015-12-30 | 黑龙江大学 | Preparation method of molybdenum disulfide-black titanium dioxide composite visible-light-driven photocatalyst for hydrogen production |
Non-Patent Citations (4)
| Title |
|---|
| HUI LIU ET AL: "Efficient synthesis of MoS2 nanoparticles modified TiO2 nanobelts with enhanced visible-light-driven photocatalytic activity", 《JOURNAL OF MOLECULAR CATALYSIS A:CHEMICAL》 * |
| WEIJIA ZHOU ET AL: "Synthesis of Few-Layer MoS2 Nanosheet-Coated TiO2 Nanobelt Heterostructures for Enhanced Photocatalytic Activities", 《SMALL》 * |
| 孟蕾: "《碳、硅二维晶体材料的生长、结构和物性》", 31 January 2015, 中央名族大学出版社 * |
| 张明龙等: "《国外材料领域创新进展》", 30 June 2015, 知识产权出版社 * |
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| CN106423223B (en) * | 2016-09-20 | 2019-04-09 | 中国计量大学 | A kind of pie porous structure MoSe2@TiO2 photochemical catalyst and preparation method thereof |
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| CN111408386A (en) * | 2020-04-01 | 2020-07-14 | 环科创建有限公司 | MoS2Quantum dot supported nano TiO2Preparation method of (1) |
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