CN105562056A - Bismuth molybdate composite photocatalytic material and preparation method thereof - Google Patents
Bismuth molybdate composite photocatalytic material and preparation method thereof Download PDFInfo
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- CN105562056A CN105562056A CN201610037430.XA CN201610037430A CN105562056A CN 105562056 A CN105562056 A CN 105562056A CN 201610037430 A CN201610037430 A CN 201610037430A CN 105562056 A CN105562056 A CN 105562056A
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- boron nitride
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- nitride nanosheet
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- DKUYEPUUXLQPPX-UHFFFAOYSA-N dibismuth;molybdenum;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Mo].[Mo].[Bi+3].[Bi+3] DKUYEPUUXLQPPX-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 230000001699 photocatalysis Effects 0.000 title abstract description 9
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 60
- 229910052582 BN Inorganic materials 0.000 claims abstract description 46
- 239000002135 nanosheet Substances 0.000 claims abstract description 44
- 239000011259 mixed solution Substances 0.000 claims abstract description 20
- 238000005406 washing Methods 0.000 claims abstract description 19
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 13
- 239000000243 solution Substances 0.000 claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims abstract description 10
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 4
- 239000011941 photocatalyst Substances 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000013019 agitation Methods 0.000 claims description 27
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 22
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 22
- 239000012286 potassium permanganate Substances 0.000 claims description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 12
- PPNKDDZCLDMRHS-UHFFFAOYSA-N dinitrooxybismuthanyl nitrate Chemical class [Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PPNKDDZCLDMRHS-UHFFFAOYSA-N 0.000 claims description 12
- 239000004317 sodium nitrate Substances 0.000 claims description 11
- 235000010344 sodium nitrate Nutrition 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 11
- 238000005119 centrifugation Methods 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 239000005457 ice water Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 230000007935 neutral effect Effects 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 238000000967 suction filtration Methods 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 3
- 238000013508 migration Methods 0.000 abstract description 9
- 230000005012 migration Effects 0.000 abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- QGAVSDVURUSLQK-UHFFFAOYSA-N ammonium heptamolybdate Chemical compound N.N.N.N.N.N.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo] QGAVSDVURUSLQK-UHFFFAOYSA-N 0.000 abstract 1
- FBXVOTBTGXARNA-UHFFFAOYSA-N bismuth;trinitrate;pentahydrate Chemical compound O.O.O.O.O.[Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FBXVOTBTGXARNA-UHFFFAOYSA-N 0.000 abstract 1
- 239000000969 carrier Substances 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 230000000638 stimulation Effects 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 238000010335 hydrothermal treatment Methods 0.000 description 7
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 description 6
- 238000007146 photocatalysis Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010010 raising Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B01J35/39—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/24—Nitrogen compounds
Abstract
The invention discloses a bismuth molybdate composite photocatalytic material. A boron nitride nanosheet serves as a catalyst carrier, and the boron nitride nanosheet is loaded with bismuth molybdate, wherein the molar ratio of the boron nitride nanosheet to bismuth molybdate is 1: (0.01-0.6). The invention further discloses a preparation method of the bismuth molybdate composite photocatalytic material. Bismuth nitrate pentahydrate is dissolved in a nitric acid solution with the concentration being 10%, then the boron nitride nanosheet and ammonium heptamolybdate are added, a mixed solution is obtained, the mixed solution is evenly stirred in an ultrasonic mode, transferred into a hydrothermal reaction kettle and placed in an oven to be subjected to a hydrothermal reaction, then the product is naturally cooled to room temperature, finally, centrifugal separating, washing and dying are performed, and the bismuth molybdate composite photocatalytic material is obtained. The composite photocatalytic material has certain electronegativity because of nitrogen vacancy on the surface of the boron nitride nanosheet, photogenerated holes, formed after illumination stimulation, of a bismuth molybdate valence band are absorbed so that migration of the holes can be promoted, and therefore the migration efficiency of photon-generated carriers is improved; besides, the large specific surface area of the boron nitride nanosheet is favorable for improvement of the adsorption performance of a composite system.
Description
Technical field
The invention belongs to inorganic environment-friendly catalysis material technical field, be specifically related to a kind of bismuth molybdate composite photocatalyst material, the invention still further relates to the preparation method of this composite photocatalyst material.
Background technology
Photocatalitic Technique of Semiconductor is subject to people's attention day by day with its efficient feature, for solving problem of environmental pollution and solar energy conversion.Selection for high efficiency photocatalyst is the most important aspect of Photocatalitic Technique of Semiconductor, at present, nearly more than 200 kinds of semiconductors can be used for light-catalyzed reaction, but, the application of most of photochemical catalyst of lower quantum efficiency and serious photoetch phenomena impair.Therefore, the separative efficiency how improving semiconductor light-catalyst photo-generate electron-hole is photocatalysis technology institute problems faced to suppress its quick compound.Normal conditions, the crystal structure of catalyst, particle size, pattern, particular exposed crystal face and finishing (as, precious metal surface deposition, carbon nano tube modified, graphene modified and semiconductors coupling etc.) be the important channel of improving photo-generate electron-hole separative efficiency, but, these methods are all based on the transfer rate improving light induced electron, but, out in the cold with the separative efficiency improving photo-generated carrier by the migration rate improving photohole.At present, the migration rate changing photohole has two kinds of methods, first, design has the semiconductors coupling system that band structure matches well, after system absorb photons energy is excited, can realize hole migrates to another kind of semiconductor valence band from a kind of valence band of semiconductor, but the migration of this form can weaken the oxidability in hole.Another kind method is (as RuO in semiconductor light-catalyst finishing hole trapping agents
2, NiO, IrO
2deng), whether this method is effective in the reaction of photolysis water hydrogen, but effectively have not been reported in the reaction of photocatalysis to degrade organic matter, and therefore, the application of these class methods has certain limitation.Develop and a kind ofly novelly effectively can promote that the method for photohole migration rate is another important channel of improving semiconductor light-catalyst photo-generated carrier separative efficiency.
Summary of the invention
The object of this invention is to provide a kind of bismuth molybdate composite photocatalyst material, solving existing is all based on the transfer rate improving light induced electron, but by improving the migration rate of photohole to improve the separative efficiency unheeded problem of photo-generated carrier.
Another object of the present invention is to provide a kind of preparation method of bismuth molybdate composite photocatalyst material.
The technical solution adopted in the present invention is, a kind of bismuth molybdate composite photocatalyst material, take boron nitride nanosheet as catalyst carrier, is carried on by bismuth molybdate on boron nitride nanosheet, and wherein the mol ratio of boron nitride nanosheet and bismuth molybdate is 1:0.01 ~ 0.6.
Another technical scheme of the present invention is, a kind of preparation method of bismuth molybdate composite photocatalyst material, five water bismuth nitrates are dissolved in the salpeter solution that concentration is 10%, then boron nitride nanosheet is added and ammonium paramolybdate obtains mixed solution, mixed solution ultrasonic agitation is even, be transferred to hydrothermal reaction kettle, and be placed in after baking oven carries out hydro-thermal reaction and naturally cool to room temperature, last centrifugation washing, dry, obtain bismuth molybdate composite photocatalyst material.
Feature of the present invention is also,
The mass ratio of five water bismuth nitrates and nitric acid is 1:40 ~ 100.
The mol ratio of boron nitride nanosheet, five water bismuth nitrates is 1:0.01 ~ 0.6.
The mol ratio of five water bismuth nitrates and ammonium paramolybdate is 14:1.
Hydrothermal temperature 120 ~ 220 DEG C, the time is 5 ~ 30h.
Boron nitride nanosheet obtains in such a way: the mixing of hexagonal boron nitride powder, sodium nitrate and the concentrated sulfuric acid be placed in ice-water bath and stir, add potassium permanganate Keep agitation reaction 8 ~ 24h, add again hydrogen peroxide Keep agitation reaction 0.5 ~ 1h after under 3000rpm condition centrifugal 10min, by upper strata suspension micropore suction filtration, deionized water washing is to neutral, and drying obtains boron nitride nanosheet.
Hexagonal boron nitride powder, sodium nitrate and concentrated sulfuric acid mass ratio are 1:0.5 ~ 1:30 ~ 60.
The mass ratio of hexagonal boron nitride powder and potassium permanganate is 1:0.5 ~ 1.
The mass ratio of potassium permanganate and hydrogen peroxide is 1:8 ~ 16.
The invention has the beneficial effects as follows, bismuth molybdate composite photocatalyst material of the present invention, the nitrogen room utilizing boron nitride nanosheet surface to exist causes it to have certain electronegativity, illumination excited the photohole of rear bismuth molybdate valence band to attract with the migration promoting hole, and then improve the transport efficiency of photo-generated carrier; In addition, the specific area that boron nitride nanosheet is large is conducive to the absorption property increasing compound system, and these raisings for photocatalysis efficiency are all favourable.
The preparation method of bismuth molybdate composite photocatalyst material of the present invention, process is simple, and reaction condition is gentle, and combined coefficient is high, and cost is low.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in detail.
A kind of bismuth molybdate composite photocatalyst material, take boron nitride nanosheet as catalyst carrier, be carried on by bismuth molybdate on boron nitride nanosheet, wherein the mol ratio of boron nitride nanosheet and bismuth molybdate is 1:0.01 ~ 0.6.
Boron nitride has and structure like graphite-phase, but with graphite-phase ratio, boron nitride also has a lot of excellent physicochemical characteristics, as high temperature resistant, high heat conduction, excellent electric property, good high-temperature stability and chemical stability etc.Layered nitride boron nanometer sheet surface can cause it to have certain electronegativity owing to there is nitrogen room, if using boron nitride nanosheet as carrier of photocatalyst, semiconductor light-catalyst is carried on boron nitride nanosheet, after system excites by illumination, the electronegativity on boron nitride nanosheet surface can attract the photohole of semiconductor valence band to promote the migration in hole, and then improves the transport efficiency of photo-generated carrier.In addition, the specific surface that boron nitride nanosheet is large is conducive to the absorption property increasing compound system, and these are all favourable for photocatalysis efficiency.
The preparation method of above-mentioned bismuth molybdate composite photocatalyst material, specifically implements according to following steps:
Step 1, be that 1:0.5 ~ 1:30 ~ 60 mixing is placed in ice-water bath and stirs by hexagonal boron nitride powder, sodium nitrate and the concentrated sulfuric acid according to mass ratio, add potassium permanganate Keep agitation reaction 8 ~ 24h, the mass ratio of hexagonal boron nitride powder and potassium permanganate is 1:0.5 ~ 1, add again hydrogen peroxide (mass ratio of potassium permanganate and hydrogen peroxide is 1:8 ~ 16) Keep agitation reaction 0.5 ~ 1h after under 3000rpm condition centrifugal 10min, by upper strata suspension micropore suction filtration, deionized water washing is to neutral, and drying obtains boron nitride nanosheet;
Step 2, five water bismuth nitrates are dissolved in the salpeter solution that concentration is 10%, the mass ratio of five water bismuth nitrates and nitric acid is 1:40 ~ 100, then boron nitride nanosheet is added and ammonium paramolybdate obtains mixed solution, boron nitride nanosheet, the mol ratio of five water bismuth nitrates is 1:0.01 ~ 0.6, the mol ratio of five water bismuth nitrates and ammonium paramolybdate is 14:1, by even for mixed solution ultrasonic agitation, be transferred to hydrothermal reaction kettle, and be placed in after baking oven is heated to 120 ~ 220 DEG C of hydrothermal treatment consists 5 ~ 30h and naturally cool to room temperature, last centrifugation washing, dry, obtain bismuth molybdate composite photocatalyst material.
Embodiment 1
Step 1, the mixing of 1g hexagonal boron nitride powder, 0.5g sodium nitrate and the 30g concentrated sulfuric acid is placed in ice-water bath and stirs, add 0.5g potassium permanganate Keep agitation reaction 8h, add again 4g enter hydrogen peroxide Keep agitation reaction 0.5h after under 3000rpm condition centrifugal 10min, by upper strata suspension micropore suction filtration, deionized water washing is to neutral, and 60 DEG C of dry 12h obtain boron nitride nanosheet;
Step 2,0.49g five water bismuth nitrate is dissolved in the salpeter solution that 19.6g concentration is 10%, then 2.48g boron nitride nanosheet is added and 0.09g ammonium paramolybdate obtains mixed solution, by even for mixed solution ultrasonic agitation, be transferred to hydrothermal reaction kettle, and be placed in after baking oven is heated to 120 DEG C of hydrothermal treatment consists 5h and naturally cool to room temperature, last centrifugation washing, in 80 DEG C of dry 12h, obtain bismuth molybdate composite photocatalyst material.
Embodiment 2
Step 1, the mixing of 1g hexagonal boron nitride powder, 1g sodium nitrate and the 60g concentrated sulfuric acid is placed in ice-water bath and stirs, add 1g potassium permanganate Keep agitation reaction 24h, add again 16g enter hydrogen peroxide Keep agitation reaction 1h after under 3000rpm condition centrifugal 10min, by upper strata suspension micropore suction filtration, deionized water washing is to neutral, and 60 DEG C of dry 12h obtain boron nitride nanosheet;
Step 2,29.1g five water bismuth nitrate is dissolved in the salpeter solution that 2910g concentration is 10%, then 2.48g boron nitride nanosheet is added and 5.29g ammonium paramolybdate obtains mixed solution, by even for mixed solution ultrasonic agitation, be transferred to hydrothermal reaction kettle, and be placed in after baking oven is heated to 220 DEG C of hydrothermal treatment consists 30h and naturally cool to room temperature, last centrifugation washing, in 80 DEG C of dry 12h, obtain bismuth molybdate composite photocatalyst material.
Embodiment 3
Step 1, the mixing of 1g hexagonal boron nitride powder, 0.5g sodium nitrate and the 30g concentrated sulfuric acid is placed in ice-water bath and stirs, add 0.5g potassium permanganate Keep agitation reaction 8h, add again 4g enter hydrogen peroxide Keep agitation reaction 0.5h after under 3000rpm condition centrifugal 10min, by upper strata suspension micropore suction filtration, deionized water washing is to neutral, and 60 DEG C of dry 12h obtain boron nitride nanosheet;
Step 2,29.1g five water bismuth nitrate is dissolved in the salpeter solution that 2910g concentration is 10%, then 2.48g boron nitride nanosheet is added and 5.29g ammonium paramolybdate obtains mixed solution, by even for mixed solution ultrasonic agitation, be transferred to hydrothermal reaction kettle, and be placed in after baking oven is heated to 220 DEG C of hydrothermal treatment consists 30h and naturally cool to room temperature, last centrifugation washing, in 80 DEG C of dry 12h, obtain bismuth molybdate composite photocatalyst material.
Embodiment 4
Step 1, the mixing of 1g hexagonal boron nitride powder, 1g sodium nitrate and the 60g concentrated sulfuric acid is placed in ice-water bath and stirs, add 1g potassium permanganate Keep agitation reaction 24h, add again 16g enter hydrogen peroxide Keep agitation reaction 1h after under 3000rpm condition centrifugal 10min, by upper strata suspension micropore suction filtration, deionized water washing is to neutral, and 60 DEG C of dry 12h obtain boron nitride nanosheet;
Step 2,0.49g five water bismuth nitrate is dissolved in the salpeter solution that 19.6g concentration is 10%, then 2.48g boron nitride nanosheet is added and 0.09g ammonium paramolybdate obtains mixed solution, by even for mixed solution ultrasonic agitation, be transferred to hydrothermal reaction kettle, and be placed in after baking oven is heated to 120 DEG C of hydrothermal treatment consists 5h and naturally cool to room temperature, last centrifugation washing, in 80 DEG C of dry 12h, obtain bismuth molybdate composite photocatalyst material.
Embodiment 5
Step 1, the mixing of 1g hexagonal boron nitride powder, 0.8g sodium nitrate and the 40g concentrated sulfuric acid is placed in ice-water bath and stirs, add 0.8g potassium permanganate Keep agitation reaction 12h, add again 8g enter hydrogen peroxide Keep agitation reaction 0.8h after under 3000rpm condition centrifugal 10min, by upper strata suspension micropore suction filtration, deionized water washing is to neutral, and 60 DEG C of dry 12h obtain boron nitride nanosheet;
Step 2,0.49g five water bismuth nitrate is dissolved in the salpeter solution that 29.4g concentration is 10%, then 0.062g boron nitride nanosheet is added and 0.09g ammonium paramolybdate obtains mixed solution, by even for mixed solution ultrasonic agitation, be transferred to hydrothermal reaction kettle, and be placed in after baking oven is heated to 160 DEG C of hydrothermal treatment consists 10h and naturally cool to room temperature, last centrifugation washing, in 80 DEG C of dry 12h, obtain bismuth molybdate composite photocatalyst material.
Embodiment 6
Step 1, the mixing of 1g hexagonal boron nitride powder, 0.6g sodium nitrate and the 50g concentrated sulfuric acid is placed in ice-water bath and stirs, add 0.9g potassium permanganate Keep agitation reaction 20h, add again 10.8g enter hydrogen peroxide Keep agitation reaction 0.6h after under 3000rpm condition centrifugal 10min, by upper strata suspension micropore suction filtration, deionized water washing is to neutral, and 60 DEG C of dry 12h obtain boron nitride nanosheet;
Step 2,29.1g five water bismuth nitrate is dissolved in the salpeter solution that 23.28g concentration is 10%, then 14.89g boron nitride nanosheet is added and 5.29g ammonium paramolybdate obtains mixed solution, by even for mixed solution ultrasonic agitation, be transferred to hydrothermal reaction kettle, and be placed in after baking oven is heated to 200 DEG C of hydrothermal treatment consists 20h and naturally cool to room temperature, last centrifugation washing, in 80 DEG C of dry 12h, obtain bismuth molybdate composite photocatalyst material.
Claims (10)
1. a bismuth molybdate composite photocatalyst material, is characterized in that, take boron nitride nanosheet as catalyst carrier, is carried on by bismuth molybdate on boron nitride nanosheet, and wherein the mol ratio of boron nitride nanosheet and bismuth molybdate is 1:0.01 ~ 0.6.
2. the preparation method of a bismuth molybdate composite photocatalyst material, it is characterized in that, five water bismuth nitrates are dissolved in the salpeter solution that concentration is 10%, then boron nitride nanosheet is added and ammonium paramolybdate obtains mixed solution, mixed solution ultrasonic agitation is even, be transferred to hydrothermal reaction kettle, and be placed in after baking oven carries out hydro-thermal reaction and naturally cool to room temperature, last centrifugation washing, dry, obtain bismuth molybdate composite photocatalyst material.
3. the preparation method of bismuth molybdate composite photocatalyst material according to claim 2, is characterized in that, the mass ratio of five water bismuth nitrates and nitric acid is 1:40 ~ 100.
4. the preparation method of bismuth molybdate composite photocatalyst material according to claim 2, is characterized in that, the mol ratio of boron nitride nanosheet, five water bismuth nitrates is 1:0.01 ~ 0.6.
5. the preparation method of bismuth molybdate composite photocatalyst material according to claim 2, is characterized in that, the mol ratio of five water bismuth nitrates and ammonium paramolybdate is 14:1.
6. the preparation method of bismuth molybdate composite photocatalyst material according to claim 2, is characterized in that, hydrothermal temperature 120 ~ 220 DEG C, and the time is 5 ~ 30h.
7. the preparation method of the bismuth molybdate composite photocatalyst material according to claim 2 or 4, it is characterized in that, boron nitride nanosheet obtains in such a way: the mixing of hexagonal boron nitride powder, sodium nitrate and the concentrated sulfuric acid be placed in ice-water bath and stir, add potassium permanganate Keep agitation reaction 8 ~ 24h, add again hydrogen peroxide Keep agitation reaction 0.5 ~ 1h after under 3000rpm condition centrifugal 10min, by upper strata suspension micropore suction filtration, deionized water washing is to neutral, and drying obtains boron nitride nanosheet.
8. the preparation method of bismuth molybdate composite photocatalyst material according to claim 7, is characterized in that, hexagonal boron nitride powder, sodium nitrate and concentrated sulfuric acid mass ratio are 1:0.5 ~ 1:30 ~ 60.
9. the preparation method of bismuth molybdate composite photocatalyst material according to claim 7, is characterized in that, the mass ratio of hexagonal boron nitride powder and potassium permanganate is 1:0.5 ~ 1.
10. the preparation method of bismuth molybdate composite photocatalyst material according to claim 7, is characterized in that, the mass ratio of potassium permanganate and hydrogen peroxide is 1:8 ~ 16.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106799223A (en) * | 2016-12-29 | 2017-06-06 | 广州凯耀资产管理有限公司 | A kind of synthetic method of Bi systems compound semiconductor photocatalytic material |
| CN106824291A (en) * | 2017-01-06 | 2017-06-13 | 华南理工大学 | A kind of bismuth molybdate metal organic framework composite photo-catalyst and its preparation and application |
| CN107684914A (en) * | 2017-08-14 | 2018-02-13 | 浙江工业大学 | A kind of magnetic Bi2MoO6/CuFe2O4Composite photocatalyst material and preparation method thereof |
| CN108031467A (en) * | 2017-12-08 | 2018-05-15 | 浙江工业大学 | A kind of Bi2MoO6Coat halloysite nanotubes composite material and preparation method and application |
| CN110586149A (en) * | 2019-09-24 | 2019-12-20 | 湖南大学 | Bismuth molybdate/titanium carbide heterojunction two-dimensional photocatalytic material and preparation method and application thereof |
| CN112619659A (en) * | 2020-12-18 | 2021-04-09 | 齐鲁工业大学 | Nickel oxide nanosheet and bismuth molybdate nanofiber heterojunction photocatalytic material as well as preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005199187A (en) * | 2004-01-16 | 2005-07-28 | Tokyo Univ Of Science | Novel z-scheme type visible light active photocatalyst system for perfectly decomposing water and water perfectly decomposing method using the same |
| CN101254463A (en) * | 2008-04-11 | 2008-09-03 | 南京大学 | Synthetic method of visible light catalyst Bi2MoO6 |
-
2016
- 2016-01-20 CN CN201610037430.XA patent/CN105562056A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005199187A (en) * | 2004-01-16 | 2005-07-28 | Tokyo Univ Of Science | Novel z-scheme type visible light active photocatalyst system for perfectly decomposing water and water perfectly decomposing method using the same |
| CN101254463A (en) * | 2008-04-11 | 2008-09-03 | 南京大学 | Synthetic method of visible light catalyst Bi2MoO6 |
Non-Patent Citations (3)
| Title |
|---|
| SUGANG MENG等: ""Selective oxidation of aromatic alcohols to aromatic aldehydes by BN/metal sulfide with enhanced photocatalytic activity"", 《APPLIED CATALYSIS B: ENVIRONMENTAL》 * |
| 李军奇等: ""六方氮化硼纳米片的制备"", 《陕西科技大学学报》 * |
| 毛星等: ""石墨烯-Bi2MoO6可见光催化降解4BS染料"", 《工业催化》 * |
Cited By (10)
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| CN106824291A (en) * | 2017-01-06 | 2017-06-13 | 华南理工大学 | A kind of bismuth molybdate metal organic framework composite photo-catalyst and its preparation and application |
| CN106824291B (en) * | 2017-01-06 | 2019-06-18 | 华南理工大学 | A kind of bismuth molybdate-metal organic framework composite photo-catalyst and its preparation and application |
| CN107684914A (en) * | 2017-08-14 | 2018-02-13 | 浙江工业大学 | A kind of magnetic Bi2MoO6/CuFe2O4Composite photocatalyst material and preparation method thereof |
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| CN110586149B (en) * | 2019-09-24 | 2020-09-04 | 湖南大学 | Bismuth molybdate/titanium carbide heterojunction two-dimensional photocatalytic material and preparation method and application thereof |
| CN112619659A (en) * | 2020-12-18 | 2021-04-09 | 齐鲁工业大学 | Nickel oxide nanosheet and bismuth molybdate nanofiber heterojunction photocatalytic material as well as preparation method and application thereof |
| CN112619659B (en) * | 2020-12-18 | 2022-09-16 | 齐鲁工业大学 | Nickel oxide nanosheet and bismuth molybdate nanofiber heterojunction photocatalytic material as well as preparation method and application thereof |
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