CN108927126A - A kind of visible light-responded titanium dioxide optical catalyst and preparation method thereof - Google Patents
A kind of visible light-responded titanium dioxide optical catalyst and preparation method thereof Download PDFInfo
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- CN108927126A CN108927126A CN201811059146.8A CN201811059146A CN108927126A CN 108927126 A CN108927126 A CN 108927126A CN 201811059146 A CN201811059146 A CN 201811059146A CN 108927126 A CN108927126 A CN 108927126A
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- titanium dioxide
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 107
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 48
- 239000003054 catalyst Substances 0.000 title claims abstract description 32
- 230000003287 optical effect Effects 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000008367 deionised water Substances 0.000 claims abstract description 20
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims abstract description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002243 precursor Substances 0.000 claims abstract description 8
- 150000003608 titanium Chemical class 0.000 claims abstract description 8
- 238000005406 washing Methods 0.000 claims abstract description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 20
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 15
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 11
- 229960000583 acetic acid Drugs 0.000 claims description 10
- 239000012362 glacial acetic acid Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 4
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 239000002105 nanoparticle Substances 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000000227 grinding Methods 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 abstract description 9
- 238000006731 degradation reaction Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 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 abstract description 8
- 229940043267 rhodamine b Drugs 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000004044 response Effects 0.000 abstract description 4
- 239000011265 semifinished product Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000005119 centrifugation Methods 0.000 abstract description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 12
- 239000004810 polytetrafluoroethylene Substances 0.000 description 12
- 230000001699 photocatalysis Effects 0.000 description 9
- 239000000843 powder Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 238000007146 photocatalysis Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- -1 compound titanium dioxide Chemical class 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 6
- 239000007795 chemical reaction product Substances 0.000 description 6
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 6
- 238000000643 oven drying Methods 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 238000011056 performance test Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 206010070834 Sensitisation Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000008313 sensitization Effects 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007857 degradation product Substances 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
Classifications
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- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B01J35/39—
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Toxicology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Geology (AREA)
- Hydrology & Water Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention discloses a kind of visible light-responded titanium dioxide optical catalysts and preparation method thereof, titanium salt precursor solution is first placed in reaction kettle high temperature and obtains titanium dioxide semi-finished product, then titanium dioxide semi-finished product deionized water and ethanol washing is used into respectively, centrifugation, drying, ground up to titanium dioxide optical catalyst.Preparation method simple process of the invention, mild condition, production cost is low, is easy to be mass produced；Titanium dioxide optical catalyst obtained has large specific surface area, has good optical Response in visible light region, can utilize the rapid rhodamine B degradation of visible light in a short time, stability is good and can be recycled.
Description
Technical field
The invention belongs to field of photocatalytic material, and in particular to a kind of visible light-responded titanium dioxide optical catalyst and its
Preparation method.
Background technique
A kind of conductor photocatalysis material of the titanium dioxide as most application prospect, has been widely used for environmental contaminants
The fields such as degradation, photodissociation aquatic products hydrogen.But due to titanium dioxide belong to wide bandgap semiconductor (forbidden bandwidth is generally 3.0~
3.2eV), the ultraviolet light that wavelength is less than 400nm can only be absorbed and utilized, largely limit application and the hair of titanium dioxide
Exhibition.
In recent years, people attempt to pass through the skills such as metal/non-metal doping, surface modification, semiconductors coupling, dye sensitization
Art means widen the optical response range of titanium dioxide optical catalyst, develop a series of titania-based visible light catalysts, such as
Doping type titanium dioxide, sensitization type titanium dioxide, compound titanium dioxide, deficiency titanium dioxide.
There are many kinds of the preparation methods of titanium dioxide, common are vapour deposition process, sol-gel method, ultrasonic method, hydro-thermal
Method, solvent-thermal method etc..The titanic oxide material that distinct methods are prepared, the microstructures such as pattern, partial size, crystal phase can not yet
Together, and the change of microstructure also will affect visible absorption, electronic band structure and its photocatalysis performance of titanium dioxide.
The visible light-responded titanium dioxide optical catalyst that exploratory development preparation process is easy, performance is more stable is in theory
With all have very important significance in practical application.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation method of visible light-responded titanium dioxide optical catalyst and it is somebody's turn to do
Titanium dioxide optical catalyst obtained by method, preparation method simple process, mild condition, production cost are low, are easy to extensive
Production；Titanium dioxide optical catalyst obtained has large specific surface area, has good optical Response in visible light region.
For achieving the above object, present invention employs following technical solutions:
A kind of preparation method of visible light-responded titanium dioxide optical catalyst, is first placed in reaction for titanium salt precursor solution
Kettle high temperature obtains titanium dioxide semi-finished product, then by titanium dioxide semi-finished product use respectively deionized water and ethanol washing, centrifugation,
Drying is ground up to titanium dioxide optical catalyst.
Specifically includes the following steps:
(1) titanium salt precursor, glacial acetic acid and deionized water are proportionally mixed, stirs 15-60 minutes, obtains clear
Solution；
(2) clear transparent solutions are placed in autoclave, hydro-thermal reaction 1-24 hours, natural cooling obtains white
Color solid；
(3) use deionized water and ethanol washing to neutrality respectively the white solid, then in 70~80 DEG C of dryings, grind
Mill, obtains the visible light-responded titanium dioxide optical catalyst.
Further, titanium salt precursor, glacial acetic acid and deionized water according to the ratio of molar ratio are in the step (1)
(0.8-1.1)∶(9.5-12)∶(15-18.8)。
Further, titanium salt precursor includes isopropyl titanate and butyl titanate in the step (1).
Further, the temperature of hydro-thermal reaction is 100~230 DEG C in the step (2).
Utilize titanium dioxide optical catalyst visible light-responded made from above-mentioned preparation method, which is characterized in that described two
The partial size of titania photocatalyst is 8~25nm, and specific surface area is 150~300m2/g.The titanium dioxide optical catalyst is sharp
Titanium ore crystal type nano particle, being capable of photocatalysis degradation organic contaminant under visible light exposure.
The utility model has the advantages that
Preparation method simple process of the invention, mild condition, production cost is low, is easy to be mass produced；Obtained two
Titania photocatalyst has large specific surface area, has good optical Response in visible light region, can be sharp in a short time
With the rapid rhodamine B degradation of visible light, stability is good and can be recycled.
Detailed description of the invention
Fig. 1 is the transmission electron microscope picture (TEM) for the titanium dioxide optical catalyst that the embodiment of the present invention is prepared；
Fig. 2 is the X-ray diffractogram (XRD) for the titanium dioxide optical catalyst that the embodiment of the present invention is prepared；
Fig. 3 is the N2 adsorption/desorption curve (BET) for the titanium dioxide optical catalyst that the embodiment of the present invention is prepared；
Fig. 4 is the titanium dioxide optical catalyst that is prepared of embodiment of the present invention rhodamine B degradation under visible light conditions
Degradation curve.
Specific embodiment
Further description of the technical solution of the present invention for following embodiment.
Embodiment 1
Accurate measuring 4mL isopropyl titanate is added in 10mL glacial acetic acid and is uniformly mixed；4mL deionized water is measured, in magnetic force
It is added dropwise under the strong stirring of blender in above-mentioned mixed solution, obtains white precipitate, continued to stir 30min, must clarify
Bright TiO 2 sol；TiO 2 sol is transferred in polytetrafluoroethylene (PTFE) autoclave, constant temperature blast drying oven is placed in
In take out after 150 DEG C of hydro-thermal reaction 1h, be cooled to room temperature.Hydro-thermal reaction product is separated by solid-liquid separation, uses deionized water and nothing respectively
Water-ethanol washs solid powder to neutrality, and 75 DEG C of oven drying 12h collect spare.
Transmission electron microscope, X-ray diffraction and specific surface area analysis test are carried out to the titania powder prepared.
As shown in Figure 1, particle size is about 10-15nm.
As shown in Fig. 2, crystal form is Detitanium-ore-type.
As shown in figure 3, specific surface area is about 202.6m2/g。
Using the titania powder of preparation as catalyst, carried out by performance of the target degradation product to catalyst of rhodamine B
Evaluation.Accurate measuring 70mg titanium dioxide is placed in the rhodamine B solution that 70ml concentration is 20mg/L, stirs 30min in darkroom
Afterwards, solution is placed in the visible light source for filtering off ultraviolet light, takes 3.5mL reaction solution every 15min, is centrifuged off solid powder
The characteristic peaks of rhodamine B in solution are measured at end with ultraviolet-visible spectrophotometer.
The degradation curve of titanium dioxide optical catalyst rhodamine B degradation under visible light conditions is as shown in Figure 4.It can from figure
To find out, by the irradiation of 30min visible light, the degradation rate of rhodamine B reaches 98%.
Embodiment 2
Accurate measuring 4mL isopropyl titanate is added in 10mL glacial acetic acid and is uniformly mixed；4mL deionized water is measured, in magnetic force
It is added dropwise under the strong stirring of blender in above-mentioned mixed solution, obtains white precipitate, continued to stir 30min, must clarify
Bright TiO 2 sol；TiO 2 sol is transferred in polytetrafluoroethylene (PTFE) autoclave, constant temperature blast drying oven is placed in
In 150 DEG C of hydro-thermal reactions take out afterwards for 24 hours, be cooled to room temperature.Hydro-thermal reaction product is separated by solid-liquid separation, uses deionized water and nothing respectively
Water-ethanol washs solid powder to neutrality, and 75 DEG C of oven drying 12h collect spare.Transmission electron microscope, X-ray diffraction, specific surface area
Analysis and photocatalysis performance test show still synthesize under the program with visible light-responded titanium dioxide.
Embodiment 3
Accurate measuring 6mL isopropyl titanate is added in 10mL glacial acetic acid and is uniformly mixed；6mL deionized water is measured, in magnetic force
It is added dropwise under the strong stirring of blender in above-mentioned mixed solution, obtains white precipitate, continued to stir 30min, must clarify
Bright TiO 2 sol；TiO 2 sol is transferred in polytetrafluoroethylene (PTFE) autoclave, constant temperature blast drying oven is placed in
In take out after 150 DEG C of hydro-thermal reaction 1h, be cooled to room temperature.Hydro-thermal reaction product is separated by solid-liquid separation, uses deionized water and nothing respectively
Water-ethanol washs solid powder to neutrality, and 75 DEG C of oven drying 12h collect spare.Transmission electron microscope, X-ray diffraction, specific surface area
Analysis and photocatalysis performance test show still synthesize under the program with visible light-responded titanium dioxide.
Embodiment 4
Accurate measuring 4mL butyl titanate is added in 10mL glacial acetic acid and is uniformly mixed；4mL deionized water is measured, in magnetic force
It is added dropwise under the strong stirring of blender in above-mentioned mixed solution, obtains white precipitate, continued to stir 30min, must clarify
Bright TiO 2 sol；TiO 2 sol is transferred in polytetrafluoroethylene (PTFE) autoclave, constant temperature blast drying oven is placed in
In take out after 150 DEG C of hydro-thermal reaction 1h, be cooled to room temperature.Hydro-thermal reaction product is separated by solid-liquid separation, uses deionized water and nothing respectively
Water-ethanol washs solid powder to neutrality, and 75 DEG C of oven drying 12h collect spare.Transmission electron microscope, X-ray diffraction, specific surface area
Analysis and photocatalysis performance test show still synthesize under the program with visible light-responded titanium dioxide.
Embodiment 5
Accurate measuring 4mL isopropyl titanate is added in 10mL glacial acetic acid and is uniformly mixed；4mL deionized water is measured, in magnetic force
It is added dropwise under the strong stirring of blender in above-mentioned mixed solution, obtains white precipitate, continued to stir 30min, must clarify
Bright TiO 2 sol；TiO 2 sol is transferred in polytetrafluoroethylene (PTFE) autoclave, constant temperature blast drying oven is placed in
In take out after 180 DEG C of hydro-thermal reaction 1h, be cooled to room temperature.Hydro-thermal reaction product is separated by solid-liquid separation, uses deionized water and nothing respectively
Water-ethanol washs solid powder to neutrality, and 75 DEG C of oven drying 12h collect spare.Transmission electron microscope, X-ray diffraction, specific surface area
Analysis and photocatalysis performance test show still synthesize under the program with visible light-responded titanium dioxide.
Embodiment 6
Accurate measuring 4mL isopropyl titanate is added in 10mL glacial acetic acid and is uniformly mixed；4mL deionized water is measured, in magnetic force
It is added dropwise under the strong stirring of blender in above-mentioned mixed solution, obtains white precipitate, continued to stir 30min, must clarify
Bright TiO 2 sol；TiO 2 sol is transferred in polytetrafluoroethylene (PTFE) autoclave, constant temperature blast drying oven is placed in
In take out after 230 DEG C of hydro-thermal reaction 1h, be cooled to room temperature.Hydro-thermal reaction product is separated by solid-liquid separation, uses deionized water and nothing respectively
Water-ethanol washs solid powder to neutrality, and 75 DEG C of oven drying 12h collect spare.Transmission electron microscope, X-ray diffraction, specific surface area
Analysis and photocatalysis performance test show still synthesize under the program with visible light-responded titanium dioxide.
It should be pointed out that as described above is only to explain the preferred embodiments of the invention, it is right accordingly to be not intended to
The present invention is subject to any form of limitation, therefore all have any modification for making the related present invention under identical spirit
Or change, it should all be included in the scope that the invention is intended to protect.
Claims (6)
1. a kind of preparation method of visible light-responded titanium dioxide optical catalyst, which is characterized in that specifically includes the following steps:
(1) titanium salt precursor, glacial acetic acid and deionized water are proportionally mixed, stirs 15-60 minutes, it is molten obtains clear
Liquid；
(2) clear transparent solutions are placed in autoclave, hydro-thermal reaction 1-24 hours, natural cooling obtains white solid
Body；
(3) deionized water and ethanol washing is used to obtain to neutrality then in 70-80 DEG C of drying, grinding respectively the white solid
To the visible light-responded titanium dioxide optical catalyst.
2. the preparation method of visible light-responded titanium dioxide optical catalyst according to claim 1, which is characterized in that institute
It is (0.8-1.1): (9.5-12) that titanium salt precursor, glacial acetic acid and deionized water in step (1), which are stated, according to the ratio of molar ratio:
(15-18.8)。
3. the preparation method of visible light-responded titanium dioxide optical catalyst according to claim 1, which is characterized in that institute
Stating titanium salt precursor in step (1) includes isopropyl titanate and butyl titanate.
4. the preparation method of visible light-responded titanium dioxide optical catalyst according to claim 1, which is characterized in that institute
The temperature for stating hydro-thermal reaction in step (2) is 100-230 DEG C.
5. a kind of utilize optically catalytic TiO 2 visible light-responded made from the preparation method as described in claim any one of 1-4
Agent, which is characterized in that the partial size of the titanium dioxide optical catalyst is 8-25nm, specific surface area 150-300m2/g。
6. visible light-responded titanium dioxide optical catalyst according to claim 5, which is characterized in that the titanium dioxide
Photochemical catalyst is anatase crystal nano particle.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967074A (en) * | 2019-03-20 | 2019-07-05 | 金华职业技术学院 | A kind of preparation method and application of the titanium dioxide optical catalyst of silver load |
| CN111921545A (en) * | 2020-09-09 | 2020-11-13 | 上海腾灵冷暖设备工程有限公司 | Catalyst for degrading sulfapyridine under visible light and preparation method thereof |
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| CN1686823A (en) * | 2005-05-20 | 2005-10-26 | 北京科技大学 | Method for preparing anatase type nano-titanium dioxide in high phase-transition temperature and high specific area |
| CN105110368A (en) * | 2015-09-23 | 2015-12-02 | 哈尔滨理工大学 | Environment-friendly preparation method of pure anatase phase TiO2 with high catalytic activity under natural light |
| CN105347392A (en) * | 2015-10-30 | 2016-02-24 | 攀枝花学院 | Controllable nanocrystalline TiO2 particle, and preparation method and use thereof |
| CN105435762A (en) * | 2015-07-29 | 2016-03-30 | 黑龙江大学 | Preparation method of TiO2 photocatalytic material |
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2018
- 2018-09-06 CN CN201811059146.8A patent/CN108927126A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1686823A (en) * | 2005-05-20 | 2005-10-26 | 北京科技大学 | Method for preparing anatase type nano-titanium dioxide in high phase-transition temperature and high specific area |
| CN105435762A (en) * | 2015-07-29 | 2016-03-30 | 黑龙江大学 | Preparation method of TiO2 photocatalytic material |
| CN105110368A (en) * | 2015-09-23 | 2015-12-02 | 哈尔滨理工大学 | Environment-friendly preparation method of pure anatase phase TiO2 with high catalytic activity under natural light |
| CN105347392A (en) * | 2015-10-30 | 2016-02-24 | 攀枝花学院 | Controllable nanocrystalline TiO2 particle, and preparation method and use thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109967074A (en) * | 2019-03-20 | 2019-07-05 | 金华职业技术学院 | A kind of preparation method and application of the titanium dioxide optical catalyst of silver load |
| CN111921545A (en) * | 2020-09-09 | 2020-11-13 | 上海腾灵冷暖设备工程有限公司 | Catalyst for degrading sulfapyridine under visible light and preparation method thereof |
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