CN106040211A - Preparation method of yellow TiO2 photocatalytic material capable of absorbing visible light - Google Patents
Preparation method of yellow TiO2 photocatalytic material capable of absorbing visible light Download PDFInfo
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- CN106040211A CN106040211A CN201610368560.1A CN201610368560A CN106040211A CN 106040211 A CN106040211 A CN 106040211A CN 201610368560 A CN201610368560 A CN 201610368560A CN 106040211 A CN106040211 A CN 106040211A
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- 239000000463 material Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title abstract description 54
- 230000001699 photocatalysis Effects 0.000 title abstract description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000011259 mixed solution Substances 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000008367 deionised water Substances 0.000 claims abstract description 7
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 238000005406 washing Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 239000002957 persistent organic pollutant Substances 0.000 claims abstract description 3
- 238000006555 catalytic reaction Methods 0.000 claims description 35
- 238000010521 absorption reaction Methods 0.000 claims description 21
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical group [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000010936 titanium Substances 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- AEDZKIACDBYJLQ-UHFFFAOYSA-N ethane-1,2-diol;hydrate Chemical compound O.OCCO AEDZKIACDBYJLQ-UHFFFAOYSA-N 0.000 claims description 4
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000243 solution Substances 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 2
- 238000010923 batch production Methods 0.000 abstract 1
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 238000001291 vacuum drying Methods 0.000 abstract 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 19
- 229960004756 ethanol Drugs 0.000 description 8
- 238000007146 photocatalysis Methods 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 239000011941 photocatalyst Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010189 synthetic method Methods 0.000 description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 229960000935 dehydrated alcohol Drugs 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000010534 mechanism of action 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
- 238000012360 testing method Methods 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/10—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation
- A62D3/17—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation to electromagnetic radiation, e.g. emitted by a laser
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/20—Organic substances
- A62D2101/28—Organic substances containing oxygen, sulfur, selenium or tellurium, i.e. chalcogen
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
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Abstract
The invention discloses a preparation method of yellow TiO2 photocatalytic material capable of absorbing visible light and belongs to the technical field of preparation of photocatalytic materials. The method comprises: stirring and mixing well ethanol and ethylene glycol monomethyl ether at room temperature, dropping deionized water into a mixed solution of the ethanol and ethylene glycol monomethyl ether, continuing to stir, dropping tetrabutyl titanate into the above mixed solution, stirring to evenly disperse the solution, placing a reaction product in a closed reactor, reacting at 180 DEG C for 12-24 h, and cooling, suction-filtering, washing and vacuum-drying to obtain yellow TiO2. The yellow TiO2 photocatalytic material prepared herein can effectively absorb visible light and photocatalytically degrade organic pollutants in the visible light; the preparation method is simple, reaction materials are widely sourced, experimental steps are easy to perform, and the preparation method is available for batch production.
Description
Technical field
The invention belongs to the preparing technical field of catalysis material, relate to a kind of yellow with visible absorption performance
TiO2Preparation method.
Background technology
Energy and environment problem is the two big subject matters that human social is faced, and photocatalysis technology is solving
Certainly the aspect such as environmental pollution and energy shortage has potential application prospect.From Japanese scholars Fujishima in 1972 etc. first
Find TiO under action of ultraviolet light2Since Single Crystalline Electrodes can make the phenomenon of water decomposition, photocatalysis technology causes extensive concern.Mesh
Before, a lot of catalysis materials are in the news and have good photocatalysis performance, such as TiO2、ZnO、CdS、Fe2O3, BiOCl etc..
TiO2There is nontoxic, good stability, cheap, the ultraviolet light photocatalysis high performance of activity, thus make it research
The most extensively with the most common catalysis material of application, and tentatively realize industrialized production.In recent decades, scientific research both domestic and external
Worker is to TiO2Based on photocatalyst carried out substantial amounts of research, and achieve huge progress, but still exist
Problem, TiO2It is wide band gap semiconducter (band gap is 3.2eV), therefore TiO2Only with the ultraviolet light portion accounting for sunlight about 4%
Point, this greatly reduces the utilization rate of sunlight.
Expand TiO2Light absorb, it is achieved the full light of sunlight is absorbed and utilizes by TiO2, is TiO2Catalysis material is in reality
A significant challenge in the application of border.So far, various method has been had to be suggested expansion TiO2Light absorb,
As: metal or nonmetal doping TiO2、TiO2Auto-dope (Ti3+), dye sensitization TiO2、TiO2The organic titanium photocatalysis material of base
Material etc..Wherein, TiO2The organic titanium catalysis material of base causes the extensive concern of researcher it is considered to be realize TiO2Can
See the method the most promising that light absorbs.But, it is little about the synthetic method of this respect and the report of the mechanism of action,
How to excavate and new simple efficient synthetic method is provided, being still emphasis and the difficult point of this area research.
Summary of the invention
For prior art TiO2The present situation of catalysis material research and the problem of above-mentioned existence, inventor grinds through overtesting
Study carefully, disclose a kind of yellow TiO with visible absorption2The preparation method of catalysis material, utilizes colourless organic molecule second two
Alcohol methyl ether has synthesized yellow TiO by one step hydro thermal method2, this yellow TiO2The absorption band edge of catalysis material extends from 406nm
To 605nm, this material list reveals the catalytic performance of good Visible Light Induced Photocatalytic organic pollution, thus for preparing visible absorption
TiO2Catalysis material provides a new approach.
An object of the present invention is to provide a kind of yellow TiO with visible absorption2The preparation of catalysis material
Method.
The two of the purpose of the present invention are to provide a kind of yellow TiO with visible absorption2Catalysis material.
Another object of the present invention is to provide yellow TiO with visible absorption obtained2Catalysis material
Application.
For achieving the above object, the present invention relates to techniques below scheme:
First, the invention discloses a kind of yellow TiO with visible absorption2The preparation method of catalysis material, institute
The method of stating includes:
The presoma of titanium is joined in water/organic two-phase system, carries out hydrothermal synthesis reaction, prepare have visible
Yellow TiO that light absorbs2Catalysis material;
The presoma of described titanium is butyl titanate;
Described water/organic two-phase system is water, ethanol and the mixed system of ethylene glycol monomethyl ether (methyl cellosolve).
The present invention uses presoma and the hydrothermal synthesis reaction in water/organic two-phase system of titanium, has prepared and has had
The TiO of visible absorption2Catalysis material, it is provided that a kind of new TiO2The preparation method of catalysis material.
In preferred embodiment, ethanol, ethylene glycol monomethyl ether and the consumption of water in water of the present invention/organic two-phase system
Mol ratio is (10-20): (5-15): 1.Different alcohol and alcohol replacement amount synthesize TiO to the present invention2The purity of catalysis material and shape
Looks produce impact, experiment proves that under the conditions of this preferred proportion, the TiO of synthesis2Catalysis material best performance, for
Yellow TiO2, the absorption band edge of catalysis material expands to 605nm from 406nm, and band gap is 2.1eV.It is furthermore preferred that ethanol, second two
The consumption mol ratio of alcohol methyl ether and water is 15:10:1.
In preferred embodiment, butyl titanate of the present invention is 1:45-55 with the volume ratio of water/organic two-phase system.
In highly preferred embodiment, the TiO with visible absorption of the present invention2The preparation side of catalysis material
Method, step is as follows:
(1) ethanol and ethylene glycol monomethyl ether are mixed by a certain percentage, be sufficiently stirred for 3-10min;
(2) a certain amount of deionized water is instilled in the mixed solution of above-mentioned ethanol and ethylene glycol monomethyl ether, be sufficiently stirred for 5-
20min;
(3) a certain amount of butyl titanate is added dropwise in above-mentioned mixed solution, stirs 10-30min so that it is mix homogeneously;
(4) mixed solution is transferred in teflon-lined reactor, the baking oven of 160-200 DEG C reacts 12-
24h, natural cooling, washing, dried product;
The consumption mol ratio of described ethanol, ethylene glycol monomethyl ether and water is 15:10:1;
Butyl titanate is 1:(1.5-2 with the volume ratio of water).
Secondly, the present invention provides yellow TiO with visible absorption that above-mentioned preparation method prepares2Photocatalysis material
Material.
Additionally, the present invention provides described yellow TiO2Catalysis material application in degradable organic pollutant.
The method have the advantages that
(1) raw material sources that preparation method of the present invention relates to are extensive, decrease energy waste and environmental pollution, and
Preparation cost is low;
(2) TiO of the present invention2Catalysis material synthetic method is simple, only needs a step hydro-thermal just can prepare;
(3) yellow TiO prepared by the present invention2Catalysis material, absorbs band edge and expands to 605nm from 406nm, have good
The catalytic performance of good Visible Light Induced Photocatalytic organic pollution;
(4) TiO with visible absorption that prepared by the present invention2The photocatalyst mechanism of action is the effect of hydrogen bond, this machine
Reason has the TiO of visible absorption for preparation2Photocatalyst provides a new approach.
Accompanying drawing explanation
Fig. 1 is the X ray picture of the embodiment of the present invention 1 product
Fig. 2 is the SEM figure of the embodiment of the present invention 1 product
Fig. 3 photocatalytic degradation has pollutant machine thing activity
The infrared spectrogram of the product of Fig. 4 embodiment 1 gained
Detailed description of the invention:
Embodiment 1 yellow TiO2Catalysis material (MES-TiO2) preparation
Measure 30ml ethanol respectively and 20ml ethylene glycol monomethyl ether joins the polytetrafluoroethyllining lining high pressure that volume is 100ml
In reactor, it is stirred continuously and makes two kinds of solution be sufficiently mixed;Measure 2ml deionized water and instill above-mentioned mixed solution, continue to stir
Mix and make mixed solution form uniform solution, then 1ml butyl titanate is added drop-wise to above-mentioned mixed solution slowly, continues to stir
Mix 20min.Finally reactor is put in 180 DEG C of baking ovens and react 24 hours, natural cooling under room temperature, sucking filtration, use deionized water
With dehydrated alcohol washing sample 3 times respectively, it is vacuum dried 6h, obtains product yellow TiO2。
Embodiment 2 yellow TiO2The preparation of catalysis material
Measure 20.0ml ethanol respectively and 13.3ml ethylene glycol monomethyl ether joins the polytetrafluoroethyllining lining that volume is 100ml
In autoclave, it is stirred continuously and makes two kinds of solution be sufficiently mixed;Measure 1ml deionized water and instill above-mentioned mixed solution, continue
Continuous stirring makes mixed solution form uniform solution, then 0.67ml butyl titanate is added drop-wise to above-mentioned mixing slowly molten
Liquid, continues stirring 20min.Finally reactor is put in 180 DEG C of baking ovens and react 18 hours, natural cooling under room temperature, sucking filtration, use
Washing sample 3 times respectively of deionized water and dehydrated alcohol, are vacuum dried 6h, obtain product yellow TiO2。
Embodiment 3 yellow TiO2The sign of catalysis material
Using Bruker AXS D8 X-ray diffractometer to carry out the material phase analysis of sample, using Cu K α X-ray is ray
Source.Fig. 1 is the X-ray diffractogram of embodiment 1 products therefrom, as shown in Figure 1, each diffraction maximum of this product all with anatase TiO2's
Standard card (JCPDS file no.21-1272) mates, and illustrates that product is anatase TiO2;The SEM of embodiment 1 product schemes such as
Shown in Fig. 2.
Embodiment 4 yellow TiO2The active testing of catalysis material
By following method, catalysis material of the present invention is carried out the active testing of composite photocatalyst:
Selecting organic dyestuff rhodamine B to evaluate the visible light photocatalysis performance of prepared sample, light source is the xenon of 300W
Lamp (with ultraviolet filtering sheet).The whole process of visible light photocatalysis all (transverse section 30cm in glass burns beaker2, high
5cm) carry out.Take 0.1g catalysis material and be distributed to (20mg/L) in the rhodamine B aqueous solution of 100mL.Before illumination, the most black
Magnetic agitation 2h under dark condition, makes solution reach absorption/desorption equilibrium, then illumination, samples 5mL every 30min, in centrifuging and taking
Layer liquid, with its absorbance of measurement of ultraviolet-visible spectrophotometer.Photocatalytic activity effect is as shown in Figure 3.
Embodiment 5TiO2Photocatalyst Study on mechanism
Use Fourier transformation infrared spectrometer that the infrared spectrum of sample is analyzed.Fig. 4 is embodiment 1 gained
The infrared spectrogram of product, as shown in Figure 4, MES-TiO2-OH vibration peak relative to pure TiO2-OH vibration peak to low ripple
Number moves (by 3285cm-1It is moved to 3215cm-1), this phenomenon indicates the formation of hydrogen bond.In order to explore the work of hydrogen bond
With, inventor is further to MES-TiO2Structural modeling, carried out first-principles calculations, by being calculated following knot
Really: MES-TiO2Visible absorption derive from O to the TiO in hydrogen bond2In Ti atom between electron transition.Meanwhile, hole
Can be transmitted by O-H-O, cause electronics and hole to efficiently separate.Thus, inventor to think that this hydrogen bond causes good
Visible absorption and the separation of effective electron hole be the reason that yellow titanium dioxide has effective visible ray performance.
Although above-described embodiment is made that detailed description to the present invention, but its a part of embodiment that is only the present invention,
Rather than whole embodiments, people can also obtain other embodiments according to the present embodiment under without creative premise, these
Embodiment broadly falls into scope.
Claims (7)
1. yellow TiO with visible absorption2The preparation method of catalysis material, described method includes:
The presoma of titanium is joined in water/organic two-phase system, carry out hydrothermal synthesis reaction, prepare and there is visible ray suction
Yellow TiO received2Catalysis material;
The presoma of described titanium is butyl titanate;
Described water/organic two-phase system is water, ethanol and the mixed system of ethylene glycol monomethyl ether (methyl cellosolve).
Method the most according to claim 1, it is characterised in that the consumption mol ratio of ethanol, ethylene glycol monomethyl ether and water is
(10-20): (5-15): 1.
Method the most according to claim 2, it is characterised in that the consumption mol ratio of ethanol, ethylene glycol monomethyl ether and water is 15:
10:1。
Method the most according to claim 1 and 2, it is characterised in that butyl titanate and the volume of water/organic two-phase system
Ratio is 1:45-55.
5. a TiO with visible absorption2The preparation method of catalysis material, step is as follows:
(1) ethanol and ethylene glycol monomethyl ether are mixed by a certain percentage, be sufficiently stirred for 3-10min;
(2) a certain amount of deionized water is instilled in the mixed solution of above-mentioned ethanol and ethylene glycol monomethyl ether, be sufficiently stirred for 5-20min;
(3) a certain amount of butyl titanate is added dropwise in above-mentioned mixed solution, stirs 10-30min so that it is mix homogeneously;
(4) mixed solution is transferred in teflon-lined reactor, the baking oven of 160-200 DEG C reacts 12-24h,
Natural cooling, washing, dried product;
The consumption mol ratio of described ethanol, ethylene glycol monomethyl ether and water is 15:10:1;
Butyl titanate is 1:(1.5-2 with the volume ratio of water).
6. yellow TiO with visible absorption that any one of claim 1-5 preparation method prepares2Catalysis material.
7. yellow TiO described in claim 62Catalysis material application in degradable organic pollutant.
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Cited By (1)
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CN110790307A (en) * | 2019-11-27 | 2020-02-14 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of colored titanium dioxide, product and application thereof |
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CN1916235A (en) * | 2006-09-06 | 2007-02-21 | 浙江大学 | Method for preparing composite film of silver Nano granule / titanium dioxide |
US20120270028A1 (en) * | 2004-04-07 | 2012-10-25 | Kronos International Inc. | Titanium dioxide photocatalyst containing carbon and method for its production |
US8513158B2 (en) * | 2009-06-18 | 2013-08-20 | University Of Central Florida Research Foundation, Inc. | Method for forming thermally stable nanoparticles on supports |
CN103521204A (en) * | 2012-07-06 | 2014-01-22 | 中国科学院大连化学物理研究所 | Preparation method of strong adsorptive mixed crystal titanium dioxide |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120270028A1 (en) * | 2004-04-07 | 2012-10-25 | Kronos International Inc. | Titanium dioxide photocatalyst containing carbon and method for its production |
CN1916235A (en) * | 2006-09-06 | 2007-02-21 | 浙江大学 | Method for preparing composite film of silver Nano granule / titanium dioxide |
US8513158B2 (en) * | 2009-06-18 | 2013-08-20 | University Of Central Florida Research Foundation, Inc. | Method for forming thermally stable nanoparticles on supports |
CN103521204A (en) * | 2012-07-06 | 2014-01-22 | 中国科学院大连化学物理研究所 | Preparation method of strong adsorptive mixed crystal titanium dioxide |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110790307A (en) * | 2019-11-27 | 2020-02-14 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of colored titanium dioxide, product and application thereof |
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