CN109794253A - A kind of preparation method of Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material - Google Patents
A kind of preparation method of Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material Download PDFInfo
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- CN109794253A CN109794253A CN201711147048.5A CN201711147048A CN109794253A CN 109794253 A CN109794253 A CN 109794253A CN 201711147048 A CN201711147048 A CN 201711147048A CN 109794253 A CN109794253 A CN 109794253A
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- copper
- stannic oxide
- titanium dioxide
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Abstract
The invention discloses a kind of Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material preparation methods, it include: that (1) butyl titanate is added in the mixed solution of dehydrated alcohol and glacial acetic acid, 15~60min of magnetic agitation, add dust technology, 20~30min of magnetic agitation, obtains TiO 2 sol under 30~60 DEG C of water bath conditions；(2) stannous chloride is dissolved in dehydrated alcohol, flow back 2~5h at 70~80 DEG C, obtains stannic oxide colloidal sol；(3) TiO 2 sol and the stannic oxide colloidal sol are mixed, the ethanol solution containing copper chloride is added, 2~3h of heating water bath under the conditions of 30~40 DEG C obtains Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol；(4) above-mentioned Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol is washed with deionized water and dehydrated alcohol respectively, is filtered, dry, grinding calcines 1~2h at 500~800 DEG C, obtains Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material.Catalysis material in the present invention has stronger photocatalytic activity.
Description
Technical field
The present invention relates to field of material technology, more particularly to a kind of Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing
The preparation method of material.
Background technique
Stannic oxide is that a kind of typical n-type semiconductor metal oxide is led because of its sensibility special to certain gases
Electricity and translucency, photocatalytic activity, become and prepare gas sensor, the ideal material of the catalyst of transparent electrode and processing sewage,
This just make its industrial production and in terms of have a very wide range of applications, such as: gas sensor, storage material
Material, electrode material, solar battery and lithium ion battery etc., which suffer from, to be widely applied.
Titanium dioxide is nontoxic, indissoluble, photochemistry and chemical stability, and low in cost, practical value with higher,
It is to be studied a kind of most semiconductor light-catalysts, in recent years, the semiconductor light-catalysts Environment control such as related titanium dioxide
The research of pollution is greatly paid close attention to, it has also become home and abroad environment administers a hot spot in field at present.But titanium dioxide quilt
Two big critical issues are faced with photocatalyst, first is that since titanium dioxide band gap magnitude (3.2eV) is wider, it can only be by ultraviolet light
The ultraviolet radiation that (wavelength is less than 387nm) is excited, and reach earth surface only accounts for solar radiation to tellurian spectrum
4% or so, therefore titanium dioxide is relatively low using the efficiency of solar energy；Second is that its light induced electron and the recombination rate in hole compared with
Fastly, quantum efficiency is relatively low.
In the prior art, stannic oxide-composite titania material has a wide range of applications in photocatalysis technology field.But
It is that in stannic oxide-composite titania material, tin dioxide layer is not contacted with reactant directly, when titanium dioxide covers
When degree is larger, the light induced electron being transmitted on stannic oxide conduction band is not involved in light-catalyzed reaction, so that composite material
Photocatalytic activity reduces.
For this reason, it is necessary in view of the above-mentioned problems, propose a kind of Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material
Preparation method is able to solve problems of the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material preparation sides
Method, to overcome deficiency in the prior art.
To achieve the above object, the invention provides the following technical scheme:
A kind of preparation method of Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material, comprising:
(1) butyl titanate is added in the mixed solution of dehydrated alcohol and glacial acetic acid, 15~60min of magnetic agitation, then
Dust technology is added, 20~30min of magnetic agitation, obtains TiO 2 sol under 30~60 DEG C of water bath conditions；
(2) stannous chloride is dissolved in dehydrated alcohol, flow back 2~5h at 70~80 DEG C, obtains stannic oxide colloidal sol；
(3) TiO 2 sol and the stannic oxide colloidal sol are mixed, addition contains the anhydrous of copper chloride
Ethanol solution, 2~3h of heating water bath under the conditions of 30~40 DEG C obtain Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol；
(4) above-mentioned Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol is washed with deionized water and dehydrated alcohol respectively,
Filtering, dry, grinding calcines 1~2h at 500~800 DEG C, obtains Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material
Material.
Preferably, in step (1), the volume ratio of the butyl titanate, the dehydrated alcohol and the glacial acetic acid is 1:2
~10:2~10.
Preferably, in step (1), the dust technology concentration is 0.5~2mol/L.
Preferably, in step (3), in the Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol, the amount point of the substance of copper
Number is 5~25%.
Preferably, in the Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol, the amount score of the substance of copper is 5~
15%.
Compared with the prior art, the advantages of the present invention are as follows: Copper-cladding Aluminum Bar stannic oxide-titanium dioxide in the present invention is compound
Catalysis material is uniformly dispersed, and is capable of increasing the absorption intensity to ultraviolet light, has stronger photocatalytic activity.
Specific embodiment
The present invention is described further by the following example: according to following embodiments, the present invention may be better understood.
However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described in embodiment are only used
In illustrating the present invention, without the present invention described in detail in claims should will not be limited.
The present invention discloses a kind of preparation method of Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material, comprising:
(1) butyl titanate is added in the mixed solution of dehydrated alcohol and glacial acetic acid, 15~60min of magnetic agitation, then
Dust technology is added, 20~30min of magnetic agitation, obtains TiO 2 sol under 30~60 DEG C of water bath conditions；
(2) stannous chloride is dissolved in dehydrated alcohol, flow back 2~5h at 70~80 DEG C, obtains stannic oxide colloidal sol；
(3) TiO 2 sol and the stannic oxide colloidal sol are mixed, addition contains the anhydrous of copper chloride
Ethanol solution, 2~3h of heating water bath under the conditions of 30~40 DEG C obtain Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol；
(4) above-mentioned Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol is washed with deionized water and dehydrated alcohol respectively,
Filtering, dry, grinding calcines 1~2h at 500~800 DEG C, obtains Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material
Material.
In above-mentioned steps (1), the volume ratio of the butyl titanate, the dehydrated alcohol and the glacial acetic acid be 1:2~
10:2~10, it is preferred that the volume ratio of the butyl titanate, the dehydrated alcohol and the glacial acetic acid is 1:2~5:2~5,
It is further preferred that the volume ratio of the butyl titanate, the dehydrated alcohol and the glacial acetic acid is 1:2:2.
In above-mentioned steps (1), the dust technology concentration is 0.5~2mol/L.
In above-mentioned steps (3), in the Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol, the amount score of the substance of copper
It is 5~25%., it is preferred that in the Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol, the amount score of the substance of copper is 5~
15%.
Embodiment 1
It (1) is that 1:2:2 butyl titanate, dehydrated alcohol and glacial acetic acid mix by volume ratio, magnetic agitation 15min,
0.5mol/L dust technology is added, magnetic agitation 20min, obtains TiO 2 sol under 30 DEG C of water bath conditions；
(2) stannous chloride is dissolved in dehydrated alcohol, flow back 3h at 78 DEG C, obtains stannic oxide colloidal sol；
(3) TiO 2 sol and the stannic oxide colloidal sol are mixed, addition contains the anhydrous of copper chloride
Ethanol solution, the heating water bath 2.5h under the conditions of 35 DEG C obtain Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol；
(4) above-mentioned Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol is washed with deionized water and dehydrated alcohol respectively,
Filtering, dry, grinding calcines 1~2h at 650 DEG C, obtains Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material.
In above-described embodiment in composite catalyzing material obtained, the amount score of the substance of copper doped is 10%, to methyl
The degradation rate of orange is 46.8%.
Embodiment 2
It (1) is that 1:5:5 butyl titanate, dehydrated alcohol and glacial acetic acid mix by volume ratio, magnetic agitation 40min,
1mol/L dust technology is added, magnetic agitation 25min, obtains TiO 2 sol under 50 DEG C of water bath conditions；
(2) stannous chloride is dissolved in dehydrated alcohol, flow back 5h at 70 DEG C, obtains stannic oxide colloidal sol；
(3) TiO 2 sol and the stannic oxide colloidal sol are mixed, addition contains the anhydrous of copper chloride
Ethanol solution, the heating water bath 3h under the conditions of 30 DEG C obtain Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol；
(4) above-mentioned Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol is washed with deionized water and dehydrated alcohol respectively,
Filtering, dry, grinding calcines 1~2h at 500 DEG C, obtains Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material.
In above-described embodiment in composite catalyzing material obtained, the amount score of the substance of copper doped is 5%, to methyl orange
Degradation rate be 36.6%.
Embodiment 3
It (1) is that 1:10:10 butyl titanate, dehydrated alcohol and glacial acetic acid mix by volume ratio, magnetic agitation
60min adds 2mol/L dust technology, and magnetic agitation 30min, obtains TiO 2 sol under 30 DEG C of water bath conditions；
(2) stannous chloride is dissolved in dehydrated alcohol, flow back 2h at 80 DEG C, obtains stannic oxide colloidal sol；
(3) TiO 2 sol and the stannic oxide colloidal sol are mixed, addition contains the anhydrous of copper chloride
Ethanol solution, the heating water bath 2h under the conditions of 40 DEG C obtain Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol；
(4) above-mentioned Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol is washed with deionized water and dehydrated alcohol respectively,
Filtering, dry, grinding calcines 1~2h at 800 DEG C, obtains Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material.
In above-described embodiment in composite catalyzing material obtained, the amount score of the substance of copper doped is 15%, to methyl
The degradation rate of orange is 41.2%.
Electron-microscope scanning is carried out to Copper-cladding Aluminum Bar stannic oxide obtained in the present invention-titanium dioxide composite catalyzing material to test
Know, the nano material uniform particle diameter that there is good dispersibility；It wherein, should when the amount score of the substance of copper doped is 10%
Composite catalyzing material is maximum to the degradation rate of methyl orange, therefore has stronger photocatalytic activity.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
Claims (5)
1. a kind of Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material preparation method characterized by comprising
(1) butyl titanate is added in the mixed solution of dehydrated alcohol and glacial acetic acid, 15~60min of magnetic agitation is added
Dust technology, 20~30min of magnetic agitation, obtains TiO 2 sol under 30~60 DEG C of water bath conditions；
(2) stannous chloride is dissolved in dehydrated alcohol, flow back 2~5h at 70~80 DEG C, obtains stannic oxide colloidal sol；
(3) TiO 2 sol and the stannic oxide colloidal sol are mixed, the dehydrated alcohol containing copper chloride is added
Solution, 2~3h of heating water bath under the conditions of 30~40 DEG C obtain Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol；
(4) above-mentioned Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol is washed with deionized water and dehydrated alcohol respectively, mistake
Filter, dry, grinding calcines 1~2h at 500~800 DEG C, obtains Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite catalyzing material.
2. Copper-cladding Aluminum Bar stannic oxide according to claim 1-titanium dioxide composite catalyzing material preparation method, feature
Be, in step (1), the volume ratio of the butyl titanate, the dehydrated alcohol and the glacial acetic acid be 1:2~10:2~
10。
3. Copper-cladding Aluminum Bar stannic oxide according to claim 1-titanium dioxide composite catalyzing material preparation method, feature
It is, in step (1), the dust technology concentration is 0.5~2mol/L.
4. Copper-cladding Aluminum Bar stannic oxide according to claim 1-titanium dioxide composite catalyzing material preparation method, feature
It is, in step (3), in the Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol, the amount score of the substance of copper is 5~
25%.
5. Copper-cladding Aluminum Bar stannic oxide according to claim 4-titanium dioxide composite catalyzing material preparation method, feature
It is, in the Copper-cladding Aluminum Bar stannic oxide-titanium dioxide composite collosol, the amount score of the substance of copper is 5~15%.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450817A (en) * | 2020-05-12 | 2020-07-28 | 重庆工商大学 | Titanium-doped tin oxide photocatalyst and preparation method thereof |
| CN113388850A (en) * | 2021-05-19 | 2021-09-14 | 哈尔滨工业大学 | Preparation method of copper-doped tin dioxide catalyst and method for synthesizing ammonia through electrocatalysis of copper-doped tin dioxide catalyst |
| CN113877588A (en) * | 2021-11-08 | 2022-01-04 | 南宁市农业科学研究所 | Cu-loaded catalyst prepared by photo-deposition method and preparation method and application thereof |
-
2017
- 2017-11-17 CN CN201711147048.5A patent/CN109794253A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450817A (en) * | 2020-05-12 | 2020-07-28 | 重庆工商大学 | Titanium-doped tin oxide photocatalyst and preparation method thereof |
| CN113388850A (en) * | 2021-05-19 | 2021-09-14 | 哈尔滨工业大学 | Preparation method of copper-doped tin dioxide catalyst and method for synthesizing ammonia through electrocatalysis of copper-doped tin dioxide catalyst |
| CN113388850B (en) * | 2021-05-19 | 2022-12-23 | 哈尔滨工业大学 | Preparation method of copper-doped tin dioxide catalyst and method for synthesizing ammonia through electrocatalysis of copper-doped tin dioxide catalyst |
| CN113877588A (en) * | 2021-11-08 | 2022-01-04 | 南宁市农业科学研究所 | Cu-loaded catalyst prepared by photo-deposition method and preparation method and application thereof |
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