CN101745381A - Hydrothermal method for synthesizing visible light catalyst SnWO4 - Google Patents
Hydrothermal method for synthesizing visible light catalyst SnWO4 Download PDFInfo
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- CN101745381A CN101745381A CN200910233388A CN200910233388A CN101745381A CN 101745381 A CN101745381 A CN 101745381A CN 200910233388 A CN200910233388 A CN 200910233388A CN 200910233388 A CN200910233388 A CN 200910233388A CN 101745381 A CN101745381 A CN 101745381A
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- 239000003054 catalyst Substances 0.000 title claims abstract description 38
- 238000001027 hydrothermal synthesis Methods 0.000 title claims abstract description 9
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 6
- XYZSNCGFOMVMIA-UHFFFAOYSA-N 1,3-dioxa-2$l^{2}-stanna-4$l^{6}-tungstacyclobutane 4,4-dioxide Chemical compound O=[W]1(=O)O[Sn]O1 XYZSNCGFOMVMIA-UHFFFAOYSA-N 0.000 title abstract 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000010189 synthetic method Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 5
- 238000013019 agitation Methods 0.000 claims description 4
- 239000000376 reactant Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 239000000843 powder Substances 0.000 abstract description 3
- 238000002425 crystallisation Methods 0.000 abstract description 2
- 230000008025 crystallization Effects 0.000 abstract description 2
- 238000003837 high-temperature calcination Methods 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 239000011541 reaction mixture Substances 0.000 abstract 2
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 abstract 2
- 229910020341 Na2WO4.2H2O Inorganic materials 0.000 abstract 1
- 238000004090 dissolution Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 238000007781 pre-processing Methods 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- WPZFLQRLSGVIAA-UHFFFAOYSA-N sodium tungstate dihydrate Chemical compound O.O.[Na+].[Na+].[O-][W]([O-])(=O)=O WPZFLQRLSGVIAA-UHFFFAOYSA-N 0.000 abstract 1
- FWPIDFUJEMBDLS-UHFFFAOYSA-L tin(II) chloride dihydrate Chemical compound O.O.Cl[Sn]Cl FWPIDFUJEMBDLS-UHFFFAOYSA-L 0.000 abstract 1
- 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 13
- 229940012189 methyl orange Drugs 0.000 description 13
- 230000001699 photocatalysis Effects 0.000 description 12
- 238000007146 photocatalysis Methods 0.000 description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 238000006555 catalytic reaction Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000975 dye Substances 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- STZCRXQWRGQSJD-UHFFFAOYSA-M sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate Chemical compound [Na+].C1=CC(N(C)C)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-UHFFFAOYSA-M 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000010532 solid phase synthesis reaction Methods 0.000 description 2
- TXUICONDJPYNPY-UHFFFAOYSA-N (1,10,13-trimethyl-3-oxo-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl) heptanoate Chemical compound C1CC2CC(=O)C=C(C)C2(C)C2C1C1CCC(OC(=O)CCCCCC)C1(C)CC2 TXUICONDJPYNPY-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 241001125671 Eretmochelys imbricata Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000320 mechanical mixture Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 235000011150 stannous chloride Nutrition 0.000 description 1
- 239000001119 stannous chloride Substances 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
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- Catalysts (AREA)
Abstract
The invention relates to a synthesizing method of a visible light catalyst SnWO4 (stannous wolframate), comprising the following steps: respectively adding SnCl2.2H2O and Na2WO4.2H2O which have the same substance amount to equivalent deionized water to be dissolved; mixing two solutions after dissolution; sufficiently stirring so as to obtain flaxen creaming; reacting an obtained reaction mixture containing the flaxen creaming at 120-200 DEG C for 24 hours in a sealing state; and filtering, collecting, washing, drying and grinding obtained rufous sediments after reaction so as to obtain the visible light catalyst SnWO4. The invention adopts ultrasonic preprocessing, has simple equipment, uniformly disperses the reaction mixture through ultrasonic cavitation action, reduces the grain diameter of the visible light catalyst SnWO4, enlarges the specific surface area and can enhance the light catalytic activity of the visible light catalyst SnWO4; a hydrothermal method can directly obtain well-crystallized powder without high-temperature calcination and crystallization and has lower synthesizing temperature and low equipment requirement; and in addition, the visible light catalyst SnWO4 (stannous wolframate) prepared by the method has high activity.
Description
Technical field
The present invention relates to the synthetic of a kind of photochemical catalyst, especially visible light catalyst is synthetic, a kind of specifically visible light catalyst SnWO
4The synthetic method of (the inferior tin of wolframic acid).
Background technology
The photocatalysis formally application study in environmental protection and improvement starts from the later stage seventies 20th century.Fank and Bard about cyanide in the water at TiO
2On the light disaggregate approach and Carey etc. about Polychlorinated biphenyls at TiO
2Study on degradation under the/ultraviolet light is for light-catalysed developing rapidly played great impetus.Photocatalysis technology utilizes the characteristic of semi-conducting material at illumination lower surface energy activation, utilizes luminous energy oxidation Decomposition organic matter, reducing heavy metal ion, kill bacteria and elimination peculiar smell effectively.Because photocatalysis technology can utilize solar energy at room temperature to react, and is both economical; The universality of various oxidation operations being degraded about photochemical catalyst has become common recognition at present, though different organic matters is owing to the difference on structure, the composition has some difference on degrading activity, photocatalysis is one does not basically on the whole have optionally chemical process.So following photocatalysis research should concentrate on high Preparation of catalysts, photocatalysis technology through engineering approaches and novel four aspects such as photocatalytic product exploitation of heightened awareness, photoresponse wide ranges and quantum efficiency of mechanism.
In order more effectively to utilize sunshine, enlarge the photoresponse scope of photochemical catalyst, research has the catalysis material of high efficiency photocatalysis activity under visible light very meaningful, and seeking cheapness, environmental friendliness and have high performance visible-light photocatalysis material will be the inexorable trend that practicability is further moved towards in the photocatalysis development.Domestic research for novel visible light catalyst at present is less, reports the SnWO of visible light catalyst at present
4Synthetic method have only solid-phase synthesis.
Solid-phase synthesis (referring to: In-Sun Cho, Chae Hyun Kwak, Dong Wook Kim, Sangwook Lee, and Kug Sun Hong.Photophysical, Photoelectrochemical and Photocatalytic Properties ofNovel SnWO
4Oxide Semiconductors with Narrow Band GapsJ Phys Chem C 2009 (113): 10647～10653), this method is with SnO and WO
3After the mechanical mixture directly under 800 ℃ of high temperature the sintering certain hour obtain photochemical catalyst SnWO
4(the inferior tin of wolframic acid), this method synthesis condition harshness, the reaction temperature height requires height, energy consumption height to equipment, the mixing of precursor material lacks uniformity, synthetic catalyst product particle particle diameter is bigger, skewness, and specific area is less, need the pollutant of decomposition, degraded less, thereby the activity of visible light catalytic is not high in the absorption of catalyst surface.
In sum, existing method to equipment require high, energy consumption is high, complicated operation, the condition harshness so need to develop the synthetic method of simple low energy consumption, can be synthesized and has highly active visible light catalyst SnWO
4(the inferior tin of wolframic acid) can decompose degradation of organic substances under radiation of visible light, long-run development has environmental benefit and economic benefit preferably.
Summary of the invention
The objective of the invention is to use new synthetic method, synthetic SnWO with high visible light catalytic activity
4(the inferior tin of wolframic acid) realizes the visible light degraded of hardly degraded organic substance.
The object of the invention can reach by the following technical programs:
A kind of visible light catalyst SnWO
4The synthetic method of (the inferior tin of wolframic acid), its step is as follows:
(A) the theoretical ratio in amount of substance is 1: 1, takes by weighing SnCl respectively
22H
2O and Na
2WO
42H
2The O solid;
(B) with SnCl
22H
2O and Na
2WO
42H
2O joins respectively in the equivalent deionized water and dissolves, and after the dissolving two solution is mixed, and fully stirs and obtains flaxen creaming;
(C) reactant mixture that contains flaxen creaming that step B is obtained 120～180 ℃ of reaction 24h under sealing state.
(D) precipitation russet that obtains after will reacting is filtered collection, washs, dries, is milled, and obtains visible light catalyst SnWO
4
Above-mentioned visible light catalyst SnWO
4Synthetic method, it is characterized in that: in the described step (B), the consumption of deionized water is the SnCl of every mM
22H
2The Na of O solid and every mM
2WO
42H
2Each dissolves the O solid with deionized water 10ml～12ml.
Above-mentioned visible light catalyst SnWO
4Synthetic method, it is characterized in that: fully stir in the described step (B) be with mixture at normal temperature magnetic agitation 30min, place the ultrasonic 30min of ultrasonic reactor that it is fully mixed again.
Can be with the above-mentioned SnWO that makes
4(the inferior tin of wolframic acid) photochemical catalyst joins in the target contaminant solution with a certain amount of, and first dark reaction 30min reacts under radiation of visible light then, carries out the degraded of target contaminant visible light.
The inventive method synthesizing visible light catalyst SnWO
4(the inferior tin of wolframic acid) existing relatively method has the following advantages:
(1) by changing the hydro-thermal reaction environment, the nano-powder of different structure and pattern can be obtained,, varigrained product can be obtained by control hydrothermal reaction condition (predecessor form, reaction temperature, reaction time etc.).
(2) the pre-ultrasonic processing of using among the present invention, equipment is simple, and effect is obvious.By ultrasonic cavitation, make reactant mixture evenly disperse, reduce the particle diameter of catalyst, enlarge specific area, can improve the photocatalytic activity of catalyst.
(3) hydro-thermal method can directly obtain well-crystallized's powder, need not through the high-temperature calcination crystallization, has reduced to be difficult to the powder hard aggregation avoided in calcination process, and has reduced energy consumption.
(4) the hydro-thermal method synthesis temperature is lower, and is low for equipment requirements.
(5) the photochemical catalyst SnWO that makes of method of the present invention
4(the inferior tin of wolframic acid) is active high.
The specific embodiment
Embodiment one
At first take by weighing the SnCl of 2mmol
22H
2The Na of O and 2mmol
2WO
42H
2The O solid, the deionized water that adds 20ml respectively, under magnetic agitation, slowly join sodium tungstate solution in the stannous chloride solution, magnetic agitation 30min, place ultrasonic reactor ultrasonic reaction 30min that mixture is fully mixed again, mixture after handling is moved in the retort of polytetrafluoroethylene (PTFE), place stainless steel cauldron, baking oven is put in sealing, 120 ℃ of solvent thermal reaction temperature, behind the hydro-thermal reaction 24h, from baking oven, take out reactor, to be cooled after room temperature, take out the polytetrafluoroethylene (PTFE) retort, obtain reddish-brown precipitation, precipitation is filtered by the pan that 0.45 μ m filter membrane is housed, and with distilled water and absolute ethyl alcohol cyclic washing precipitation, to precipitate then together with pan and put into 80 ℃ of freeze-day with constant temperature 6h of baking oven, with standby behind the agate alms bowl porphyrize, take by weighing the above-mentioned catalyst of 0.300g after waiting to dry, join in the methyl orange solution that the 200ml initial concentration is 20.66mg/l, concentration is 20.57mg/l behind the dark reaction 30min, then with the irradiation of daylight dysprosium lamp, light source power 400w, from liquid level 15cm, timing sampling is with the absorbance of 752-N type ultraviolet-visible spectrophotometer measurement sample, according to the calibration curve of methyl orange, the solution concentration of different time after the calculating light-catalyzed reaction, behind the light-catalyzed reaction 120min, the concentration of dyestuff methyl orange is 4.45mg/l, and the total clearance of methyl orange has reached 78.45%.
Embodiment two:
Solvent thermal reaction carries out under 140 ℃, other synthesis condition is with embodiment one, take by weighing the catalyst that 0.300g makes, join in the methyl orange solution that the 200ml initial concentration is 20.63mg/l, other reaction condition is identical, behind the dark reaction 30min, the concentration of dyestuff methyl orange is 20.43mg/l, behind the light-catalyzed reaction 120min, the concentration of dyestuff methyl orange is 2.40mg/l, and the total clearance of dyestuff has reached 88.37%.
Embodiment three:
Solvent thermal reaction carries out under 160 ℃, other synthesis conditions lead to embodiment one, get the catalyst that 0.300g makes, join in the methyl orange solution that the 200ml initial concentration is 20.55mg/l, other reaction conditions are identical, 30min after the dark reaction, the concentration of methyl orange is 21.17mg/l, behind the light-catalyzed reaction 120min, the concentration of dyestuff methyl orange is 0.96mg/l, and total clearance of methyl orange has reached 95.33%.
Embodiment four:
Solvent thermal reaction carries out under 180 ℃, other synthesis conditions are with embodiment one, take by weighing the catalyst that 0.300g makes, join in the methyl orange solution that the 200ml initial concentration is 21.33mg/l, other reaction conditions are identical, behind the dark reaction 30min, the concentration of methyl orange is 21.17mg/l, behind the light-catalyzed reaction 120min, the concentration of dyestuff methyl orange is 6.18mg/l, and total clearance of methyl orange has reached 71.05%.
The synthetic photochemical catalyst clearance after to the illumination degrading 120min of target contaminant methyl orange reaches more than 70% under the different temperatures, wherein at 160 ℃ of synthetic down catalyst, clearance to target contaminant methyl orange reaches 95.33%, see the following form 1, thereby this invention has good benefits in environment.
Table 1
| Embodiment | Synthesis temperature | Initial concentration | Concentration behind the dark reaction 30min | Concentration after the light-catalyzed reaction | Total clearance |
| Embodiment one | ??120℃ | ??20.66 | ??20.57 | ??4.45 | ??78.45％ |
| Embodiment two | ??140℃ | ??20.63 | ??20.43 | ??2.40 | ??88.37％ |
| Embodiment three | ??160℃ | ??20.55 | ??21.17 | ??0.96 | ??95.33％ |
| Embodiment four | ??180℃ | ??21.33 | ??21.17 | ??6.18 | ??71.05％ |
Claims (3)
1. hydro-thermal method synthesizing novel visible light catalyst S nWO
4, it is characterized in that it is made up of following steps:
(A) the theoretical ratio in amount of substance is 1: 1, takes by weighing SnCl respectively
22H
2O and Na
2WO
42H
2The O solid;
(B) with SnCl
22H
2O and Na
2WO
42H
2O joins respectively in the equivalent deionized water and dissolves, and after the dissolving two solution is mixed, and fully stirs and obtains faint yellow creaming;
(C) reactant mixture that contains flaxen creaming that step B is obtained 120～200 ℃ of reaction 24h under sealing state
(D) precipitation russet that obtains after will reacting is filtered collection, washs, dries, is milled, and obtains visible light catalyst SnWO
4
2. visible light catalyst SnWO according to claim 1
4Synthetic method, it is characterized in that: in the described step (B), the consumption of deionized water is the SnCl of every mM
22H
2The Na of O solid and every mM
2WO
42H
2Each dissolves the O solid with deionized water 10ml～12ml.
3. visible light catalyst SnWO according to claim 1
4Synthetic method, it is characterized in that: fully stir in the described step (B) be with mixture at normal temperature magnetic agitation 30min, and then place the ultrasonic 30min of ultrasonic reactor that it is fully mixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910233388A CN101745381A (en) | 2009-10-27 | 2009-10-27 | Hydrothermal method for synthesizing visible light catalyst SnWO4 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910233388A CN101745381A (en) | 2009-10-27 | 2009-10-27 | Hydrothermal method for synthesizing visible light catalyst SnWO4 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101745381A true CN101745381A (en) | 2010-06-23 |
Family
ID=42473373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910233388A Pending CN101745381A (en) | 2009-10-27 | 2009-10-27 | Hydrothermal method for synthesizing visible light catalyst SnWO4 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102266766A (en) * | 2011-05-17 | 2011-12-07 | 内蒙古大学 | Method for microwave-assisted preparation of high-efficient visible-light photocatalysis material |
| CN102614865A (en) * | 2012-02-09 | 2012-08-01 | 上海师范大学 | Preparation method for nano-single crystal tungsten trioxide visible-light catalyst with controllable (001) crystal surface |
| CN104307532A (en) * | 2014-10-13 | 2015-01-28 | 桂林理工大学 | Visible-light response photocatalyst CuSnW2O9 and preparation method thereof |
| CN106268776A (en) * | 2016-07-18 | 2017-01-04 | 上海理工大学 | A kind of doped nano photocatalyst, preparation method and application |
| CN110065970A (en) * | 2019-05-13 | 2019-07-30 | 大连工业大学 | It is a kind of to prepare SnWO4The method of nano wire |
| CN112745854A (en) * | 2020-11-30 | 2021-05-04 | 莱西市两山环境生态科技中心 | Soil remediation agent |
| CN113293391A (en) * | 2020-10-23 | 2021-08-24 | 台州学院 | Preparation method of stannic tungstate nanofiber photoanode material |
| CN114471620A (en) * | 2022-03-09 | 2022-05-13 | 淮北师范大学 | a-SnWO4/In2S3Composite photocatalyst |
-
2009
- 2009-10-27 CN CN200910233388A patent/CN101745381A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102266766A (en) * | 2011-05-17 | 2011-12-07 | 内蒙古大学 | Method for microwave-assisted preparation of high-efficient visible-light photocatalysis material |
| CN102614865A (en) * | 2012-02-09 | 2012-08-01 | 上海师范大学 | Preparation method for nano-single crystal tungsten trioxide visible-light catalyst with controllable (001) crystal surface |
| CN104307532A (en) * | 2014-10-13 | 2015-01-28 | 桂林理工大学 | Visible-light response photocatalyst CuSnW2O9 and preparation method thereof |
| CN106268776A (en) * | 2016-07-18 | 2017-01-04 | 上海理工大学 | A kind of doped nano photocatalyst, preparation method and application |
| CN106268776B (en) * | 2016-07-18 | 2018-11-20 | 上海理工大学 | A kind of doped nano photochemical catalyst, preparation method and application |
| CN110065970A (en) * | 2019-05-13 | 2019-07-30 | 大连工业大学 | It is a kind of to prepare SnWO4The method of nano wire |
| CN110065970B (en) * | 2019-05-13 | 2021-07-30 | 大连工业大学 | Preparation of SnWO4Method of nanowires |
| CN113293391A (en) * | 2020-10-23 | 2021-08-24 | 台州学院 | Preparation method of stannic tungstate nanofiber photoanode material |
| CN113293391B (en) * | 2020-10-23 | 2022-08-09 | 台州学院 | Preparation method of stannic tungstate nanofiber photoanode material |
| CN112745854A (en) * | 2020-11-30 | 2021-05-04 | 莱西市两山环境生态科技中心 | Soil remediation agent |
| CN112745854B (en) * | 2020-11-30 | 2021-10-26 | 河南省中农嘉吉化工有限公司 | Soil remediation agent |
| CN114471620A (en) * | 2022-03-09 | 2022-05-13 | 淮北师范大学 | a-SnWO4/In2S3Composite photocatalyst |
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