CN105772018A - Bi2WO6-BiFeO3 compound photocatalyst and preparing method thereof - Google Patents
Bi2WO6-BiFeO3 compound photocatalyst and preparing method thereof Download PDFInfo
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- CN105772018A CN105772018A CN201610235974.7A CN201610235974A CN105772018A CN 105772018 A CN105772018 A CN 105772018A CN 201610235974 A CN201610235974 A CN 201610235974A CN 105772018 A CN105772018 A CN 105772018A
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- mixed solution
- bifeo
- catalyst
- bismuth nitrate
- composite photo
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- 239000011941 photocatalyst Substances 0.000 title claims abstract description 31
- 229910002902 BiFeO3 Inorganic materials 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 7
- 150000001875 compounds Chemical class 0.000 title abstract description 5
- 239000011259 mixed solution Substances 0.000 claims abstract description 30
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(3+);trinitrate Chemical compound [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 6
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000002131 composite material Substances 0.000 claims description 21
- 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 claims description 19
- 239000000243 solution Substances 0.000 claims description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 10
- 238000013019 agitation Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 230000001699 photocatalysis Effects 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 3
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 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 2
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 230000005389 magnetism Effects 0.000 abstract 1
- 238000000120 microwave digestion Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 5
- 229940043267 rhodamine b Drugs 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/888—Tungsten
-
- B01J35/33—
Abstract
The invention discloses a Bi2WO6-BiFeO3 compound photocatalyst and a preparing method thereof, and belongs to the technical field of inorganic environment-friendly photocatalytic materials.According to the technical scheme, the preparing method is characterized by comprising the steps that firstly, a bismuth nitrate pentahydrate aqueous solution is prepared, and ferric nitrate and sodium tungstate are added into the bismuth nitrate pentahydrate aqueous solution to form a mixed solution; secondly, the mixed solution obtained in the first step is stirred for 30 min, then an alkaline solution is used for regulating the pH value of the mixed solution to be 9-11, and then the mixed solution continues to be stirred for 1 h at the room temperature; thirdly, the mixed solution obtained in the second step is transferred into a hydrothermal reaction kettle, then the hydrothermal reaction kettle is put into a microwave digestion instrument for a microwave reaction at 180 DEG C for 10-30 min, cooling, centrifuging, washing and drying are carried out after the reaction is finished, and the magnetic Bi2WO6-BiFeO3 compound photocatalyst can be obtained.The prepared compound photocatalyst has a high visible light utilization rate and photocatalytic activity, has magnetism and is convenient to regenerate and recycle.
Description
Technical field
The invention belongs to inorganic environment-friendly catalysis material technical field, be specifically related to a kind of Bi2WO6-BiFeO3Composite photo-catalyst and preparation method thereof.
Background technology
Along with the industrial and fast development of science and technology, people are developed the facility brought simultaneously in enjoyment, are also tasted the consequence that environmental pollution is brought.The equilibrium problem how handled well between environmental conservation and development is a current important topic.Photocatalitic Technique of Semiconductor, as the new tool of a kind of Environment control, has the series of advantages such as nontoxic, harmless and low energy consumption and gets more and more people's extensive concerning.It addition, it can also resolve into poisonous and hazardous organic macromolecule the inorganic molecules such as nontoxic water and carbon dioxide, non-secondary pollution, therefore there is wide development space and application prospect.
In numerous conductor photocatalysis materials, Bi2WO6Owing to the narrow bandgap structure of self makes it under visible light Organic substance be had extremely strong degradation capability it is considered to be current the most promising visible light catalyst.But, pure Bi2WO6Electron hole quickly compound hinders its photocatalytic activity and also have impact on its actual application.In order to overcome Bi2WO6This shortcoming, people attempt by Bi2WO6Carry out with other kinds of semi-conducting material being combined and can promote that electron hole separates, improve its photocatalytic activity.BiFeO in numerous photocatalysts3Band gap narrow, specific surface area is big, has stronger visible light catalysis activity.But, the most still there is no pertinent literature about Bi2WO6-BiFeO3The report of composite photo-catalyst.
Summary of the invention
Present invention solves the technical problem that and there is provided that a kind of solar energy utilization ratio is high, photo-quantum efficiency high, be easily recycled and magnetic Bi that photocatalytic activity is good2WO6-BiFeO3Composite photo-catalyst.
Another technical problem that the present invention solves there is provided the Bi of a kind of simple and convenient operation2WO6-BiFeO3The preparation method of composite photo-catalyst.
The present invention solves that above-mentioned technical problem adopts the following technical scheme that, a kind of Bi2WO6-BiFeO3The preparation method of composite photo-catalyst, it is characterized in that comprising the following steps: (1) is with five water bismuth nitrate and deionized water for preparation of raw material five water aqueous bismuth nitrate solution, ferric nitrate and sodium tungstate join formation mixed solution under agitation in five water aqueous bismuth nitrate solution, and wherein the mol ratio of added ferric nitrate and five water bismuth nitrate is 0.1-0.3:1；(2) step (1) is obtained mixed solution stirring 30min after with aqueous slkali regulation mixed solution pH value be 9-11, then by mixed solution at ambient temperature continue stir 1h；(3) mixed solution that step (2) obtains is transferred to hydrothermal reaction kettle, then hydrothermal reaction kettle is put in 180 DEG C of microwave reaction 10-30min in microwave dissolver, question response terminate after through cooling, centrifugal, washing, dried prepare magnetic Bi2WO6-BiFeO3Composite photo-catalyst.
Further preferably, in step (1), the molar concentration of five water aqueous bismuth nitrate solution is 0.5-1mol/L.
Further preferably, in step (2), aqueous slkali is sodium hydroxide solution.
Bi of the present invention2WO6-BiFeO3Composite photo-catalyst, prepares according to the method described above.
The present invention compared with prior art has the advantages that
1、BiFeO3Band gap narrow, specific surface area is big, has stronger visible light catalysis activity, and it has suitable bandgap structure, can and Bi2WO6Forming the photocatalyst of heterojunction structure, research shows, Bi2WO6Conduction band potential E of photocatalystCB=0.25eV, valence band electromotive force EVB=3.16eV, and BiFeO3Conduction band potential E of photocatalystCB=0.1eV, valence band electromotive force EVB=2.3eV, at Bi2WO6-BiFeO3In composite semiconductor, BiFeO3Conduction band potential more negative, light induced electron is easily from the BiFeO that energy level is low3Conduction band moves to the Bi that energy level is high2WO6On conduction band, Bi simultaneously2WO6Valence band electromotive force corrigendum, photohole is easily from the Bi that energy level is high2WO6Valence band moves to the BiFeO that energy level is low3In valence band, thus improve the separation efficiency of photo-generate electron-hole, and then improve its photocatalytic activity；
2、BiFeO3Forbidden band is narrower, can effectively expand Bi2WO6-BiFeO3The composite photo-catalyst utilization rate to visible ray, and then it is effectively improved utilization rate and the photocatalytic activity of light；
3、BiFeO3Itself there is magnetic, BiFeO3With Bi2WO6Compound make Bi2WO6-BiFeO3Composite photo-catalyst also has magnetic, utilizes magnetic separation technique to be gone out by its sharp separation from wastewater treatment system, solves the difficult problem being difficult to reclaim after photocatalyst uses, has good application prospect.
Accompanying drawing explanation
Fig. 1 is under 300W Hg lamp irradiation, the Bi that the embodiment of the present invention 1 prepares2WO6-BiFeO3Composite photo-catalyst and pure Bi2WO6Light urges the agent degraded correlation curve figure (operating condition: the amount of catalyst: 0.1g to rhodamine B；The mass concentration of rhodamine B: 5mg/L).
Detailed description of the invention
Being described in further details the foregoing of the present invention by the following examples, but this should not being interpreted as, the scope of the above-mentioned theme of the present invention is only limitted to below example, all technology realized based on foregoing of the present invention belong to the scope of the present invention.
Embodiment 1
(1) with five water bismuth nitrate and deionized water for the preparation of raw material 200mL molar concentration five water aqueous bismuth nitrate solution as 0.5mol/L, under agitation the ferric nitrate of 0.01mol and the sodium tungstate of 0.045mol are joined formation mixed solution in five water aqueous bismuth nitrate solution；
(2) step (1) is obtained mixed solution stirring 30min after with sodium hydroxide solution regulation mixed solution pH value be 9, then by mixed solution at ambient temperature continue stir 1h；
(3) mixed solution that step (2) obtains is transferred to hydrothermal reaction kettle, then being put into by hydrothermal reaction kettle in 180 DEG C of microwave reaction 30min in microwave dissolver, question response has the Bi of high catalytic activity through cooling, centrifugal, washing, dried preparing after terminating2WO6-BiFeO3Composite photo-catalyst.
Fig. 1 is under 300W Hg lamp irradiation, the Bi that the present embodiment prepares2WO6-BiFeO3Composite photo-catalyst and pure Bi2WO6Light urges the agent degraded correlation curve figure to rhodamine B, as seen from the figure under the irradiation of simulated visible light, after illumination 80min, pure Bi2WO6Photocatalyst is about 56% to the degradation rate of rhodamine B, and Bi2WO6-BiFeO3Composite photo-catalyst can reach about 87% to the degradation rate of rhodamine B, shows the photocatalytic activity being remarkably reinforced.
Embodiment 2
(1) with five water bismuth nitrate and deionized water for the preparation of raw material 200mL molar concentration five water aqueous bismuth nitrate solution as 0.8mol/L, under agitation the ferric nitrate of 0.032mol and the sodium tungstate of 0.064mol are joined formation mixed solution in five water aqueous bismuth nitrate solution；
(2) step (1) is obtained mixed solution stirring 30min after with sodium hydroxide solution regulation mixed solution pH value be 10, then by mixed solution at ambient temperature continue stir 1h；
(3) mixed solution that step (2) obtains is transferred to hydrothermal reaction kettle, then being put into by hydrothermal reaction kettle in 180 DEG C of microwave reaction 20min in microwave dissolver, question response has the Bi of high catalytic activity through cooling, centrifugal, washing, dried preparing after terminating2WO6-BiFeO3Composite photo-catalyst.
Embodiment 3
(1) with five water bismuth nitrate and deionized water for the preparation of raw material 200mL molar concentration five water aqueous bismuth nitrate solution as 1mol/L, under agitation the ferric nitrate of 0.06mol and the sodium tungstate of 0.07mol are joined formation mixed solution in five water aqueous bismuth nitrate solution；
(2) step (1) is obtained mixed solution stirring 30min after with sodium hydroxide solution regulation mixed solution pH value be 11, then mixed solution is continued under conditions of room temperature stirring 1h；
(3) mixed solution that step (2) obtains is transferred in hydrothermal reaction kettle, then being put into by hydrothermal reaction kettle in 180 DEG C of microwave reaction 10min in microwave dissolver, question response has the Bi of high catalytic activity through cooling, centrifugal, washing, dried preparing after terminating2WO6-BiFeO3Composite photo-catalyst.
Embodiment above describes the ultimate principle of the present invention, principal character and advantage; skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and description; under the scope without departing from the principle of the invention; the present invention also has various changes and modifications, and these changes and improvements each fall within the scope of protection of the invention.
Claims (4)
1. a Bi2WO6-BiFeO3The preparation method of composite photo-catalyst, it is characterized in that comprising the following steps: (1) is with five water bismuth nitrate and deionized water for preparation of raw material five water aqueous bismuth nitrate solution, ferric nitrate and sodium tungstate join formation mixed solution under agitation in five water aqueous bismuth nitrate solution, and wherein the mol ratio of added ferric nitrate and five water bismuth nitrate is 0.1-0.3:1；(2) step (1) is obtained mixed solution stirring 30min after with aqueous slkali regulation mixed solution pH value be 9-11, then by mixed solution at ambient temperature continue stir 1h；(3) mixed solution that step (2) obtains is transferred to hydrothermal reaction kettle, then hydrothermal reaction kettle is put in 180 DEG C of microwave reaction 10-30min in microwave dissolver, question response terminate after through cooling, centrifugal, washing, dried prepare magnetic Bi2WO6-BiFeO3Composite photo-catalyst.
Bi the most according to claim 12WO6-BiFeO3The preparation method of composite photo-catalyst, it is characterised in that: in step (1), the molar concentration of five water aqueous bismuth nitrate solution is 0.5-1mol/L.
Bi the most according to claim 12WO6-BiFeO3The preparation method of composite photo-catalyst, it is characterised in that: in step (2), aqueous slkali is sodium hydroxide solution.
4. a Bi2WO6-BiFeO3Composite photo-catalyst, it is characterised in that be to prepare according to the method described in any one in claim 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610235974.7A CN105772018A (en) | 2016-04-18 | 2016-04-18 | Bi2WO6-BiFeO3 compound photocatalyst and preparing method thereof |
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| CN201610235974.7A CN105772018A (en) | 2016-04-18 | 2016-04-18 | Bi2WO6-BiFeO3 compound photocatalyst and preparing method thereof |
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| CN105772018A true CN105772018A (en) | 2016-07-20 |
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| CN201610235974.7A Pending CN105772018A (en) | 2016-04-18 | 2016-04-18 | Bi2WO6-BiFeO3 compound photocatalyst and preparing method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175111A (en) * | 2017-05-08 | 2017-09-19 | 河南师范大学 | A kind of support type Bi2MoO6/Cu(OH)2The preparation method of photochemical catalyst |
| CN108816260A (en) * | 2018-05-16 | 2018-11-16 | 四川理工学院 | Surface photovoltage signal enhancing type (BiO)2CO3Preparation method |
| CN109012685A (en) * | 2018-09-20 | 2018-12-18 | 山东建筑大学 | A kind of BiFeO3And Bi2WO6The preparation method of laminated film |
| CN110116006A (en) * | 2019-04-19 | 2019-08-13 | 沈阳大学 | A kind of load type titanium dioxide photocatalytic composite material and preparation method and a kind of method of regenerating active carbon |
| CN115228481A (en) * | 2022-07-15 | 2022-10-25 | 西北大学 | Z-shaped heterojunction SnFe 2 O 4 /Bi 2 WO 6 Composite photocatalyst, preparation method and application |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103191725A (en) * | 2013-04-26 | 2013-07-10 | 南京信息工程大学 | BiVO4/Bi2WO6 composite semiconductor material as well as hydrothermal preparation method and application thereof |
| CN104646001A (en) * | 2015-02-24 | 2015-05-27 | 中山大学 | Visible-light response type bismuth ferrite-bismuth oxide composite material and preparation method thereof |
-
2016
- 2016-04-18 CN CN201610235974.7A patent/CN105772018A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103191725A (en) * | 2013-04-26 | 2013-07-10 | 南京信息工程大学 | BiVO4/Bi2WO6 composite semiconductor material as well as hydrothermal preparation method and application thereof |
| CN104646001A (en) * | 2015-02-24 | 2015-05-27 | 中山大学 | Visible-light response type bismuth ferrite-bismuth oxide composite material and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| TING FAN: "Hydrothermal synthesis of novel BiFeO3/BiVO4 heterojunctions with enhanced photocatalytic activities under visible light irradiation", 《RSC ADVANCE》 * |
| 冯玉杰等: "《环境功能材料》", 30 April 2010 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107175111A (en) * | 2017-05-08 | 2017-09-19 | 河南师范大学 | A kind of support type Bi2MoO6/Cu(OH)2The preparation method of photochemical catalyst |
| CN107175111B (en) * | 2017-05-08 | 2019-08-09 | 河南师范大学 | A kind of support type Bi2MoO6/Cu(OH)2The preparation method of photochemical catalyst |
| CN108816260A (en) * | 2018-05-16 | 2018-11-16 | 四川理工学院 | Surface photovoltage signal enhancing type (BiO)2CO3Preparation method |
| CN109012685A (en) * | 2018-09-20 | 2018-12-18 | 山东建筑大学 | A kind of BiFeO3And Bi2WO6The preparation method of laminated film |
| CN109012685B (en) * | 2018-09-20 | 2020-08-14 | 山东建筑大学 | BiFeO3And Bi2WO6Preparation method of composite film |
| CN110116006A (en) * | 2019-04-19 | 2019-08-13 | 沈阳大学 | A kind of load type titanium dioxide photocatalytic composite material and preparation method and a kind of method of regenerating active carbon |
| CN115228481A (en) * | 2022-07-15 | 2022-10-25 | 西北大学 | Z-shaped heterojunction SnFe 2 O 4 /Bi 2 WO 6 Composite photocatalyst, preparation method and application |
| CN115228481B (en) * | 2022-07-15 | 2024-04-05 | 浙江聚泰新能源材料有限公司 | Z-type heterojunction SnFe 2 O 4 /Bi 2 WO 6 Composite photocatalyst, preparation method and application |
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