CN108927137A - A kind of preparation method of carbon doping bismuth oxide catalysis material - Google Patents
A kind of preparation method of carbon doping bismuth oxide catalysis material Download PDFInfo
- Publication number
- CN108927137A CN108927137A CN201810799992.7A CN201810799992A CN108927137A CN 108927137 A CN108927137 A CN 108927137A CN 201810799992 A CN201810799992 A CN 201810799992A CN 108927137 A CN108927137 A CN 108927137A
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- Prior art keywords
- bismuth oxide
- carbon
- catalysis material
- preparation
- annealing
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- 239000000463 material Substances 0.000 title claims abstract description 43
- 229910000416 bismuth oxide Inorganic materials 0.000 title claims abstract description 30
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 title claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 26
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000137 annealing Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 5
- ZDYUUBIMAGBMPY-UHFFFAOYSA-N oxalic acid;hydrate Chemical compound O.OC(=O)C(O)=O ZDYUUBIMAGBMPY-UHFFFAOYSA-N 0.000 claims abstract description 5
- 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 abstract description 3
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(III) oxide Inorganic materials O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052797 bismuth Inorganic materials 0.000 claims description 6
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 230000001699 photocatalysis Effects 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000007146 photocatalysis Methods 0.000 abstract description 2
- 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 3
- RLXDCJUIXHSXQD-UHFFFAOYSA-N oxalic acid;hydrate Chemical compound O.OC(=O)C(O)=O.OC(=O)C(O)=O RLXDCJUIXHSXQD-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 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 2
- 229940043267 rhodamine b Drugs 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 150000001621 bismuth Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005297 material degradation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001228 spectrum 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
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/18—Arsenic, antimony or bismuth
-
- B01J35/50—
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Abstract
The invention discloses a kind of preparation methods of carbon doping bismuth oxide catalysis material, five water bismuth nitrates are placed in alumina crucible, α-Bi is made in 500 DEG C of annealing 6h2O3Dusty material, then by α-Bi obtained2O3Dusty material is placed in alumina crucible, and two oxalic acid hydrate powder are added and carbon is made in 280 DEG C of 50~200min of annealing after mixing and adulterate bismuth oxide catalysis material.Preparation process simple possible of the present invention, synthesis cycle is shorter, relative to undoped bismuth oxide, the optical absorption edge that carbon adulterates bismuth oxide catalysis material is mobile to long wave direction, it is larger in the utilization rate of 400~500nm visible wavelength range interior focusing wave, and photocatalysis performance is obviously improved, and has potential using value in terms of photoelectric material.
Description
Technical field
The invention belongs to the synthesis technical fields of photoelectric material, and in particular to a kind of carbon doping bismuth oxide catalysis material
Preparation method.
Background technique
China's bismuth is resourceful, and in recent years, for annual output up to more than 6000 tons, application is very extensive.Bismuth oxygroup material has
The crystal structure of stratiform, forbidden bandwidth appropriate and the special electronic structure of bismuth atom, it is past in actual light-catalyzed reaction
Toward higher activity is shown, becomes a kind of important catalysis material, be subjected to widely paying close attention to.Bismuth oxide is as bismuth source
A kind of product after deep processing is widely used in drug and bismuth salt manufacture.Bismuth oxide belongs to bismuth oxygroup material, appearance be it is faint yellow, can
Light-exposed responding ability is limited, and photocatalytic activity is lower.Based on above-mentioned problem, the present invention devises a kind of visible light-responded
The preparation method for the carbon doping bismuth oxide catalysis material that enhancing and photocatalytic activity improve.
Summary of the invention
The technical problem to be solved by the present invention is to provide the carbon that a kind of synthesis technology is simple and the period is shorter to adulterate bismuth oxide
The preparation method of catalysis material.
The present invention adopts the following technical scheme that solve above-mentioned technical problem, a kind of carbon doping bismuth oxide catalysis material
Preparation method, it is characterised in that specific steps are as follows: five water bismuth nitrates are placed in alumina crucible, α-is made in 500 DEG C of annealing 6h
Bi2O3Dusty material, then by α-Bi obtained2O3Dusty material is placed in alumina crucible, and two oxalic acid hydrate powder are added and mix
Carbon is made in 280 DEG C of 50~200min of annealing after closing uniformly and adulterates bismuth oxide catalysis material.
Preferably, the α-Bi2O3The mass ratio that feeds intake of dusty material and two oxalic acid hydrate powder is 1:1~1:2.
Preparation process simple possible of the present invention, synthesis cycle is shorter, and relative to undoped bismuth oxide, carbon adulterates bismuth oxide
The optical absorption edge of catalysis material is mobile to long wave direction, in the utilization rate of 400~500nm visible wavelength range interior focusing wave
It is larger, and photocatalysis performance is obviously improved, and has potential using value in terms of photoelectric material.
Detailed description of the invention
Fig. 1 is the X ray diffracting spectrum of the doping bismuth oxide powder material of carbon made from the embodiment of the present invention 1；
Fig. 2 is the powder abosrption spectrogram of the doping bismuth oxide powder material of carbon made from the embodiment of the present invention 1；
Fig. 3 is the scanning electron microscope (SEM) photograph of the doping bismuth oxide powder material of carbon made from the embodiment of the present invention 1；
Fig. 4 is that the visible light photocatalytic degradation rhodamine B performance of the doping bismuth oxide powder material of carbon made from the embodiment of the present invention 1 is bent
Line.
Specific embodiment
Above content of the invention is described in further details by the following examples, but this should not be interpreted as to this
The range for inventing above-mentioned theme is only limitted to embodiment below, and all technologies realized based on above content of the present invention belong to this hair
Bright range.
Embodiment 1
Five water bismuth nitrate of 4.85g is placed in alumina crucible, α-Bi is made in 500 DEG C of annealing 6h2O3Dusty material, then will
α-Bi made from 0.5g2O3Dusty material is placed in alumina crucible, be added bis- oxalic acid hydrate powder of 1.0g and after mixing in
280 DEG C of annealing 200min are made carbon and adulterate bismuth oxide powder material.
As shown in Figure 1, carrying out XRD analysis to obtained carbon doping bismuth oxide powder material, discovery carbon adulterates bismuth oxide
Dusty material and α-Bi2O3The diffraction maximum of dusty material is consistent with standard JCPDS card 71-2274, occurs without miscellaneous peak, changes
Formula is Bi2O3, crystal structure is monoclinic phase.
As shown in Fig. 2, carbon doping bismuth oxide powder material obtained is compared to α-Bi2O3Dusty material increases the absorption of light
By force, and there is red shift in the wave band of light absorption.
As shown in figure 3, carbon doping bismuth oxide powder material obtained is in the shape characteristic of prism-shaped, and it is dispersed with above
Many tiny holes.
As shown in figure 4, carbon adulterates bismuth oxide powder material degradation rhodamine B pollutant after excited by visible light 120min
Degradation rate be 99.7%, be much higher than undoped bismuth oxide.
Embodiment 2
Five water bismuth nitrate of 4.85g is placed in alumina crucible, α-Bi is made in 500 DEG C of annealing 6h2O3Product, then by 0.5g system
α-the Bi obtained2O3Product is placed in alumina crucible, and bis- oxalic acid hydrate powder of 0.5g is added and anneals after mixing in 280 DEG C
200min is made carbon and adulterates bismuth oxide powder material.
Embodiment 3
Five water bismuth nitrate of 4.85g is placed in alumina crucible, α-Bi is made in 500 DEG C of annealing 6h2O3Product, then by 0.5g system
α-the Bi obtained2O3Product is placed in alumina crucible, and bis- oxalic acid hydrate powder of 1.0g is added and anneals after mixing in 280 DEG C
50min is made carbon and adulterates bismuth oxide powder material.
Embodiment above describes basic principles and main features of the invention and advantage, the technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, under the range for not departing from the principle of the invention, various changes and improvements may be made to the invention, these changes and improvements are each fallen within
In the scope of protection of the invention.
Claims (2)
1. a kind of preparation method of carbon doping bismuth oxide catalysis material, it is characterised in that specific steps are as follows: by five water bismuth nitrates
It is placed in alumina crucible and α-Bi is made in 500 DEG C of annealing 6h2O3Dusty material, then by α-Bi obtained2O3Dusty material is placed in
In alumina crucible, two oxalic acid hydrate powder are added and carbon is made in 280 DEG C of 50~200min of annealing after mixing and adulterate oxygen
Change bismuth catalysis material.
2. the preparation method of carbon doping bismuth oxide catalysis material according to claim 1, it is characterised in that: the α-
Bi2O3The mass ratio that feeds intake of dusty material and two oxalic acid hydrate powder is 1:1~1:2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810799992.7A CN108927137B (en) | 2018-07-20 | 2018-07-20 | Preparation method of carbon-doped bismuth oxide photocatalytic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810799992.7A CN108927137B (en) | 2018-07-20 | 2018-07-20 | Preparation method of carbon-doped bismuth oxide photocatalytic material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108927137A true CN108927137A (en) | 2018-12-04 |
| CN108927137B CN108927137B (en) | 2021-08-13 |
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ID=64447974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810799992.7A Active CN108927137B (en) | 2018-07-20 | 2018-07-20 | Preparation method of carbon-doped bismuth oxide photocatalytic material |
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| Country | Link |
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| CN (1) | CN108927137B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116332636A (en) * | 2023-03-29 | 2023-06-27 | 常州大学 | Special material for carbon-doped bismuth oxide powder injection molding and method for preparing bismuth oxide ceramic by laser irradiation sintering |
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| US7578455B2 (en) * | 2004-08-09 | 2009-08-25 | General Motors Corporation | Method of grinding particulate material |
| CN103521211A (en) * | 2013-10-31 | 2014-01-22 | 北京航空航天大学 | Preparation method for photocatalytic material with In mingled with Bi2O3 |
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Cited By (2)
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| CN116332636A (en) * | 2023-03-29 | 2023-06-27 | 常州大学 | Special material for carbon-doped bismuth oxide powder injection molding and method for preparing bismuth oxide ceramic by laser irradiation sintering |
| CN116332636B (en) * | 2023-03-29 | 2024-04-02 | 常州大学 | Special material for carbon-doped bismuth oxide powder injection molding and method for preparing bismuth oxide ceramic by laser irradiation sintering |
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| Publication number | Publication date |
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| CN108927137B (en) | 2021-08-13 |
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