CN110342573A - A kind of preparation method of cube titanium oxide - Google Patents
A kind of preparation method of cube titanium oxide Download PDFInfo
- Publication number
- CN110342573A CN110342573A CN201910646250.5A CN201910646250A CN110342573A CN 110342573 A CN110342573 A CN 110342573A CN 201910646250 A CN201910646250 A CN 201910646250A CN 110342573 A CN110342573 A CN 110342573A
- Authority
- CN
- China
- Prior art keywords
- solution
- titanium oxide
- cube
- preparation
- added
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
- C01G23/0536—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing chloride-containing salts
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention discloses a kind of preparation methods of cube titanium oxide, and the preparation method comprises the following steps: (1) two citric acid monohydrate trisodiums being dissolved in ethylene glycol and obtain solution A；(2) titanium trichloride hydrochloric acid solution is added in ethylene glycol, solution B is obtained after mixing；(3) anhydrous sodium acetate and deionized water are added in the solution A obtained to step (1), obtains solution C after dissolution；(4) solution B prepared in step (2) is added in step (3) in prepared solution C, under stirring, is mixed to get solution D；(5) solution D is placed in closed autoclave, the air of autoclave is discharged with nitrogen under normal pressure, and heating reaction obtains cube titanium oxide.Cube titanium oxide prepared by the present invention is the compound phase of anatase and brockite, and size tunable, good dispersion is very widely used in fields such as chemical industry, environment, electronics and semiconductors, is particularly suitable for material for air purification field.
Description
Technical field
The present invention relates to titanium oxide preparation field, especially a kind of preparation method of cube titanium oxide.
Background technique
Titanium dioxide (TiO2) be one of most important metal oxide in industrial application because its can be used for it is a series of not
With field, from papermaking to medicine, cosmetics, photochemical catalyst, photovoltaic cell, photoelectric cell (photoelectric cells),
Sensor, ink, coating, covering material (coverings) and plastic products, or even the photocatalysis including organic pollutant.Tool
Body, certain form of TiO2Especially suitable for photovoltaic cell especially dye-sensitized solar cells (DSSC), and it is used for
The photoelectrolytic cell and laminated cell converted between solar energy and hydrogen product.
TiO2With a variety of crystal forms.The most common TiO2Crystal phase anatase, rutile and brockite show different
Chemical/physical properties, such as stationary field (stability field), refractive index and to the chemical reaction of electromagnetic radiation
Property and behavior.If X.Chen and S.S.Mao is in J.Nanosci.Nanotechnol, 6 (4), 906-925 is reported in 2006,
TiO2Use and performance depend primarily on its crystal phase, form and particle size.Phase composition, crystal shape and particle size are to end
Chemistry, physics, mechanics, electronics, magnetic force and the optical property of product all generate tremendous influence.
The TiO of Anatase2With excellent electrical and optical properties, chemical stability it is good, it is at low cost, safe and non-toxic,
The advantages that without secondary pollution and by favor, be applied not only in gas phase and aqueous solution the degradation, deodorization of organic pollutant and
Sterilization sterilizing, and it is applied to photoelectric conversion field.
Currently, the TiO of Anatase2Synthetic method there are many, prepare TiO2Main method are as follows:
A) hydrothermal synthesis method；B) solvent-thermal process method；C) sol-gel synthesis method.Although the preparation research of titanium dioxide
Great progress is had been achieved with, but all in place of Shortcomings.Currently, synthesis of titanium dioxide is mainly solvent-applied thermal method or colloidal sol-
The synthesis of gel synthetic method.The particle diameter that this method is prepared is uneven, is difficult to prepare the titanium dioxide grain of uniform particle sizes
Son, and the TiO 2 particles prepared are easy to reunite, and dispersibility is poor.
Summary of the invention
It is an object of the invention to propose a kind of preparation method of cube titanium oxide, the titanium oxide of this method preparation is sharp
The compound phase of titanium ore and brockite, size tunable, good dispersion.
A kind of preparation method of cube titanium dioxide, comprising the following steps:
(1) two citric acid monohydrate trisodiums are dissolved in ethylene glycol and obtain solution A；
(2) titanium trichloride hydrochloric acid solution is added in ethylene glycol, solution B is obtained after mixing；
(3) anhydrous sodium acetate and deionized water are added in the solution A obtained to step (1), obtains solution C after dissolution；
(4) solution B prepared in step (2) is added in step (3) in prepared solution C, under stirring,
It is mixed to get solution D；
(5) solution D is heated, reaction obtains cube titanium oxide.
Preparation principle of the invention are as follows: titanium trichloride hydrochloric acid solution is hydrolyzed into first in closed hot environment containing three
The sub- titanium oxide of valence titanium, then the titanium dioxide compound with sodium acetate and water effect generation anatase and brockite, passes through control
The adjustable titanium dioxide crystal form of the ratio of titanium trichloride hydrochloric acid, anhydrous sodium acetate and deionized water；The present invention is by titanium trichloride
The ethylene glycol solution B of hydrochloric acid solution is mixed with solution C, obtains atropurpureus clear solution, rather than by titanium trichloride hydrochloric acid solution
It is added directly into solution C, such titanium trichloride hydrochloric acid solution can uniformly be reacted with sodium acetate, water, obtain that pattern is good, grain
The uniform TiO 2 particles of diameter.
The dispersibility of reaction product can be improved as dispersion stabilizer for the two citric acid monohydrate trisodiums, in solution
Concentration in A is 5g/L~40g/L.In step (1), the two citric acid monohydrate trisodiums 50 DEG C~120 DEG C at a temperature of
Heating, is dissolved in ethylene glycol.
In step (2), the titanium trichloride hydrochloric acid solution is the titanium chloride hydrochloric acid solution that mass fraction is 15%.It is described
Concentration of the titanium trichloride hydrochloric acid solution in solution B be 25g/L~125g/L.
In step (3), the anhydrous sodium acetate of addition and the mass ratio of deionized water are 1:0.1~3.
In step (4), in solution D, the mass ratio of the titanium trichloride hydrochloric acid solution and anhydrous sodium acetate is 1:0.3
~10.
Preferably, in step (4), the mass ratio of titanium trichloride hydrochloric acid solution and anhydrous sodium acetate is 1:1 in the solution D
~5.
In the present invention, titanium trichloride hydrochloric acid solution mainly influences the nucleation and crystal form of particle, and different quality ratio is added
Anhydrous sodium acetate and titanium trichloride hydrochloric acid solution, the titanium dioxide of available different crystal forms and partial size.With tri-chlorination titanium salt
The ratio of acid solution increases, and partial size is substantially in the trend being gradually reduced, and the content of brockite increases.
In step (5), the temperature of the reaction is 140 DEG C~220 DEG C, the time is 2~30h.In the present invention, temperature shadow
Ring reaction rate and nucleus growth, under this condition reaction sufficiently, available good pattern, uniform particle sizes particle.
Preferably, in step (5), the temperature of the reaction is 180 DEG C, reaction time 10h.
In step (5), the cube titanium oxide is anatase and the compound titanium dioxide of brockite, cube
The diameter of body titanium oxide is 1~4 μm.
Preferably, in step (3), the anhydrous sodium acetate of addition and the mass ratio of deionized water are 1:0.1~3；Step (4)
In, the mass ratio of titanium trichloride hydrochloric acid solution and anhydrous sodium acetate is 1:1~2 in the solution D；In step (5), the reaction
Temperature be 180 DEG C, time 10h；Anatase and the compound cube titanium oxide of brockite, the cube is prepared
The diameter of titanium oxide is 1~4 μm.
In the present invention, cube titanium oxide is also known as cube titanium dioxide, titanium dioxide or titanium oxide.
Preparation method of the invention is easy to operate, it is only necessary to by simple dissolution, mixing and heating operation, whole operation
Process all directly carries out in air, easy to operate；And anatase and the compound titanium dioxide of brockite are obtained, and partial size
Uniformly, there is good pattern, can be applied to the fields such as chemical industry, environment, electronics and semiconductor, be particularly suitable for air cleaning
Material Field.
Compared with the existing technology, advantage of the invention is that the reaction time is short, low in cost, simple process and can prepare
The controllable anatase of small particle, good dispersion, uniform particle diameter, size and the compound cube Titanium particles of brockite out.By
It is uniform controllable in its good pattern, size, it is very widely used in fields such as chemical industry, environment, electronics and semiconductors, and
Its partial size is smaller, is particularly suitable for material for air purification field.
Detailed description of the invention
Fig. 1 is scanning electron microscope (SEM) photo of cube titanium oxide prepared by embodiment 1；
Fig. 2 is the polycrystal X ray diffractometer test chart of cube titanium oxide prepared by embodiment 1；
Fig. 3 is scanning electron microscope (SEM) photo of cube titanium oxide prepared by embodiment 2.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, with reference to the accompanying drawings and embodiments to this
Invention is described in further detail.It should be appreciated that the specific embodiments described herein are only used to explain the present invention,
And the scope of protection of the present invention is not limited.
Embodiment 1
6g two citric acid monohydrate trisodiums are dissolved in 400ml ethylene glycol at normal temperatures and pressures, stirs, obtains clear solution,
It is denoted as solution A.16g titanium trichloride hydrochloric acid solution is mixed with 150ml ethylene glycol simultaneously, purple clear solution is obtained, is denoted as molten
Liquid B.Anhydrous sodium acetate (30g) and deionized water (21g) that mass ratio is 1:0.7 are added in solution A, stirred to being completely dissolved
Obtain solution C.Then solution B is added in solution C, stirring mixes them thoroughly to obtain atropurpureus solution D.The atropurpureus is molten
Liquid D is placed in the high-temperature high-pressure reaction kettle that volume is 1L, and the air in reaction kettle is discharged with nitrogen, and setting temperature is 180 DEG C,
And 20h is reacted at such a temperature.To which obtained mixed solution is separated after reaction.Obtained pale solid is used
Deionized water is cleaned for several times, and product cube Titanium particles can be assigned to.
Electronic Speculum observation is scanned to obtained cube Titanium particles, as a result referring to Fig. 1, as shown in Figure 1, product is straight
Diameter is 4 μm.Cube titanium oxide is tested by polycrystal X ray diffractometer, and (abscissa is 2 θ of angle, ordinate shown in result figure 2
For intensity), the crystal form of titanium oxide is the mixture of anatase and brockite.
Embodiment 2
6g two citric acid monohydrate trisodiums are dissolved in 400ml ethylene glycol at normal temperatures and pressures, stirs, obtains clear solution,
It is denoted as solution A.30g titanium trichloride hydrochloric acid solution is mixed with 150ml ethylene glycol simultaneously, purple clear solution is obtained, is denoted as molten
Liquid B.Anhydrous sodium acetate (30g) and deionized water (15g) that mass ratio is 1:0.5 are added in solution A, stirred to being completely dissolved
Obtain solution C.Then solution B is added in solution C, stirring mixes them thoroughly to obtain atropurpureus solution D.The atropurpureus is molten
Liquid D is placed in the high-temperature high-pressure reaction kettle that volume is 1L, and the air in reaction kettle is discharged with nitrogen, and setting temperature is 180 DEG C,
And 20h is reacted at such a temperature.To which obtained mixed solution is separated after reaction.Obtained pale solid is used
Deionized water is cleaned for several times, and product cube Titanium particles can be assigned to.
Electronic Speculum observation is scanned to cube Titanium particles, as a result referring to Fig. 3, from the figure 3, it may be seen that product diameter is 3 μ
m。
Embodiment 3
6g two citric acid monohydrate trisodiums are dissolved in 400ml ethylene glycol at normal temperatures and pressures, stirs, obtains clear solution,
It is denoted as solution A.30g titanium trichloride hydrochloric acid solution is mixed with 150ml ethylene glycol simultaneously, purple clear solution is obtained, is denoted as molten
Liquid B.Anhydrous sodium acetate (30g) and deionized water (9g) that mass ratio is 1:0.3 are added in solution A, stirred to being completely dissolved
Obtain solution C.Then solution B is added in solution C, stirring mixes them thoroughly to obtain atropurpureus solution D.The atropurpureus is molten
Liquid D is placed in the high-temperature high-pressure reaction kettle that volume is 1L, and the air in reaction kettle is discharged with nitrogen, and setting temperature is 180 DEG C,
And 20h is reacted at such a temperature.To which obtained mixed solution is separated after reaction.Obtained pale solid is used
Deionized water is cleaned for several times, and product cube Titanium particles can be assigned to.
Electronic Speculum observation is scanned to cube Titanium particles, product diameter is 2 μm.
Embodiment 4
6g two citric acid monohydrate trisodiums are dissolved in 400ml ethylene glycol at normal temperatures and pressures, stirs, obtains clear solution,
It is denoted as solution A.6g titanium trichloride hydrochloric acid solution is mixed with 150ml ethylene glycol simultaneously, purple clear solution is obtained, is denoted as solution
B.Anhydrous sodium acetate (3g) and deionized water (0.3g) that mass ratio is 1:0.1 are added in solution A, stirred to being completely dissolved
To solution C.Then solution B is added in solution C, stirring mixes them thoroughly to obtain atropurpureus solution D.By the atropurpureus solution
D is placed in the high-temperature high-pressure reaction kettle that volume is 1L, and the air in reaction kettle is discharged with nitrogen, and setting temperature is 180 DEG C, and
20h is reacted at such a temperature.To which obtained mixed solution is separated after reaction.Obtained pale solid is spent
Ionized water cleans for several times, can assign to product cube Titanium particles.
Electronic Speculum observation is scanned to cube Titanium particles, product diameter is 3 μm.
Embodiment 5
6g two citric acid monohydrate trisodiums are dissolved in 400ml ethylene glycol at normal temperatures and pressures, stirs, obtains clear solution,
It is denoted as solution A.15g titanium trichloride hydrochloric acid solution is mixed with 150ml ethylene glycol simultaneously, purple clear solution is obtained, is denoted as molten
Liquid B.Anhydrous sodium acetate (30g) and deionized water (90g) that mass ratio is 1:3 are added in solution A, stirred to being completely dissolved
To solution C.Then solution B is added in solution C, stirring mixes them thoroughly to obtain atropurpureus solution D.By the atropurpureus solution
D is placed in the high-temperature high-pressure reaction kettle that volume is 1L, and the air in reaction kettle is discharged with nitrogen, and setting temperature is 180 DEG C, and
20h is reacted at such a temperature.To which obtained mixed solution is separated after reaction.Obtained pale solid is spent
Ionized water cleans for several times, can assign to product cube Titanium particles.
Electronic Speculum observation is scanned to cube Titanium particles, product diameter is 1.5 μm.
Embodiment 6
6g two citric acid monohydrate trisodiums are dissolved in 400ml ethylene glycol at normal temperatures and pressures, stirs, obtains clear solution,
It is denoted as solution A.16g titanium trichloride hydrochloric acid solution is mixed with 150ml ethylene glycol simultaneously, purple clear solution is obtained, is denoted as molten
Liquid B.Anhydrous sodium acetate (30g) and deionized water (21g) that mass ratio is 1:0.7 are added in solution A, stirred to being completely dissolved
Obtain solution C.Then solution B is added in solution C, stirring mixes them thoroughly to obtain atropurpureus solution D.The atropurpureus is molten
Liquid D is placed in the high-temperature high-pressure reaction kettle that volume is 1L, and the air in reaction kettle is discharged with nitrogen, and setting temperature is 200 DEG C,
And 5h is reacted at such a temperature.To which obtained mixed solution is separated after reaction.Obtained pale solid is used
Deionized water is cleaned for several times, and product cube Titanium particles can be assigned to.
Electronic Speculum observation is scanned to cube Titanium particles, product diameter is 1 μm.
Comparative example 1
6g two citric acid monohydrate trisodiums are dissolved in 400ml ethylene glycol at normal temperatures and pressures, stirs, obtains clear solution,
It is denoted as solution A.16g titanium trichloride hydrochloric acid solution is taken to be denoted as solution B.Mass ratio for the anhydrous sodium acetate (30g) of 1:0.7 and is gone
Ionized water (21g) is added in solution A, and stirring is to being completely dissolved to obtain solution C.Then solution B is added in solution C, stirring makes
It is sufficiently mixed to obtain atropurpureus solution D.The atropurpureus solution D is placed in the high-temperature high-pressure reaction kettle that volume is 1L, instead
The air in kettle is answered to be discharged with nitrogen, setting temperature is 200 DEG C, and reacts 5h at such a temperature.To obtain after reaction
Mixed solution separated.Obtained pale solid is cleaned for several times with deionized water, product cube oxygen can be assigned to
Change titanium particle.
Compared with embodiment 1-6, the cube Titanium particles that comparative example obtains are not the cubes of rule, and partial size is not
Unevenly.
Technical solution of the present invention and beneficial effect is described in detail in above-described specific embodiment, Ying Li
Solution is not intended to restrict the invention the foregoing is merely presently most preferred embodiment of the invention, all in principle model of the invention
Interior done any modification, supplementary, and equivalent replacement etc. are enclosed, should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of preparation method of cube titanium dioxide, which is characterized in that the preparation method comprises the following steps:
(1) two citric acid monohydrate trisodiums are dissolved in ethylene glycol and obtain solution A；
(2) titanium trichloride hydrochloric acid solution is added in ethylene glycol, solution B is obtained after mixing；
(3) anhydrous sodium acetate and deionized water are added in the solution A obtained to step (1), obtains solution C after dissolution；
(4) solution B prepared in step (2) is added in step (3) in prepared solution C, under stirring, mixing
Obtain solution D；
(5) solution D is heated, reaction obtains cube titanium oxide.
2. the preparation method of cube titanium oxide according to claim 1, which is characterized in that in step (1), described two
Concentration of the citric acid monohydrate trisodium in solution A is 5g/L~40g/L.
3. the preparation method of cube titanium oxide according to claim 1, which is characterized in that in step (3), the nothing of addition
Water sodium acetate and the mass ratio of deionized water are 1:0.1~3.
4. the preparation method of cube titanium oxide according to claim 1, which is characterized in that in step (4), the solution
The mass ratio of titanium trichloride hydrochloric acid solution and anhydrous sodium acetate is 1:0.3~10 in D.
5. the preparation method of cube titanium oxide according to claim 1, which is characterized in that in step (4), the solution
The mass ratio of titanium trichloride hydrochloric acid solution and anhydrous sodium acetate is 1:1~5 in D.
6. the preparation method of cube titanium oxide according to claim 1, which is characterized in that in step (5), the reaction
Temperature be 140 DEG C~220 DEG C, the time is 2~30h.
7. the preparation method of cube titanium oxide according to claim 1, which is characterized in that in step (5), described is vertical
Cube titanium oxide is anatase and the compound titanium dioxide of brockite, and the diameter of the cube titanium oxide is 1~4 μm.
8. the preparation method of cube titanium oxide according to claim 1, which is characterized in that in step (3), the nothing of addition
Water sodium acetate and the mass ratio of deionized water are 1:0.1~3；In step (4), in the solution D titanium trichloride hydrochloric acid solution with
The mass ratio of anhydrous sodium acetate is 1:1~2；In step (5), the temperature of the reaction is 180 DEG C, time 10h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646250.5A CN110342573B (en) | 2019-07-17 | 2019-07-17 | Preparation method of cubic titanium oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910646250.5A CN110342573B (en) | 2019-07-17 | 2019-07-17 | Preparation method of cubic titanium oxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110342573A true CN110342573A (en) | 2019-10-18 |
| CN110342573B CN110342573B (en) | 2021-08-03 |
Family
ID=68175596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910646250.5A Active CN110342573B (en) | 2019-07-17 | 2019-07-17 | Preparation method of cubic titanium oxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110342573B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172650A (en) * | 2007-10-19 | 2008-05-07 | 东华大学 | Method for controlling nano-anatase TiO* feature with NaAc as additive agent |
| CN101481137A (en) * | 2008-12-16 | 2009-07-15 | 中国科学院电工研究所 | TiO2 nano materials of multiple regular geometric shapes and preparation thereof |
| WO2011006659A1 (en) * | 2009-07-16 | 2011-01-20 | Daunia Solar Cell S.R.L. | Process for the preparation of titanium dioxide having nanometric dimensions and controlled shape |
| KR20120046510A (en) * | 2010-11-02 | 2012-05-10 | 충남대학교산학협력단 | Manufacturing method of visible rays active anatase-brookite type titanium dioxide photocatalyst |
| CN103086424A (en) * | 2013-02-28 | 2013-05-08 | 天津工业大学 | One-step synthesis method of mixed-phase titanium dioxide with exposed high-activity surfaces |
| CN103274461A (en) * | 2013-06-18 | 2013-09-04 | 中国石油大学(北京) | Method for modulating titanium dioxide crystalline phases by using fluoride ions |
| CN105197991A (en) * | 2015-08-14 | 2015-12-30 | 上海应用技术学院 | Preparation method of anatase type titanium dioxide with large specific surface |
| CN106268734A (en) * | 2016-09-30 | 2017-01-04 | 浙江工业大学 | A kind of preparation method of water dispersible ternary mixed crystal nano titanium dioxide photocatalyst |
| CN109502639A (en) * | 2018-12-13 | 2019-03-22 | 宁波新福钛白粉有限公司 | A method of preparing the compound mixed crystal powder of titanium dioxide and titanium pentoxide |
-
2019
- 2019-07-17 CN CN201910646250.5A patent/CN110342573B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172650A (en) * | 2007-10-19 | 2008-05-07 | 东华大学 | Method for controlling nano-anatase TiO* feature with NaAc as additive agent |
| CN101481137A (en) * | 2008-12-16 | 2009-07-15 | 中国科学院电工研究所 | TiO2 nano materials of multiple regular geometric shapes and preparation thereof |
| WO2011006659A1 (en) * | 2009-07-16 | 2011-01-20 | Daunia Solar Cell S.R.L. | Process for the preparation of titanium dioxide having nanometric dimensions and controlled shape |
| KR20120046510A (en) * | 2010-11-02 | 2012-05-10 | 충남대학교산학협력단 | Manufacturing method of visible rays active anatase-brookite type titanium dioxide photocatalyst |
| CN103086424A (en) * | 2013-02-28 | 2013-05-08 | 天津工业大学 | One-step synthesis method of mixed-phase titanium dioxide with exposed high-activity surfaces |
| CN103274461A (en) * | 2013-06-18 | 2013-09-04 | 中国石油大学(北京) | Method for modulating titanium dioxide crystalline phases by using fluoride ions |
| CN105197991A (en) * | 2015-08-14 | 2015-12-30 | 上海应用技术学院 | Preparation method of anatase type titanium dioxide with large specific surface |
| CN106268734A (en) * | 2016-09-30 | 2017-01-04 | 浙江工业大学 | A kind of preparation method of water dispersible ternary mixed crystal nano titanium dioxide photocatalyst |
| CN109502639A (en) * | 2018-12-13 | 2019-03-22 | 宁波新福钛白粉有限公司 | A method of preparing the compound mixed crystal powder of titanium dioxide and titanium pentoxide |
Non-Patent Citations (1)
| Title |
|---|
| SOPHIE CASSAIGNON ET AL.: ""From TiCl3 to TiO2 nanoparticles (anatase, brookite and rutile): Thermohydrolysis and oxidation in aqueous medium"", 《JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110342573B (en) | 2021-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107935039B (en) | Preparation method of titanium dioxide water-based sol | |
| CN107311227B (en) | A kind of preparation method and product of the titanium dioxide nanoplate mixing crystal form | |
| CN101311360B (en) | Synthetic method for one-dimensional single crystal bismuth oxide nano material | |
| CN101693196B (en) | Preparation method of silver/titanium dioxide compound | |
| CN106811832B (en) | A kind of pearl-decorated curtain shape BiFeO3The preparation method and products obtained therefrom of micro nanometer fiber | |
| CN101205078B (en) | Method for preparing cerium dioxide nano-tube | |
| CN106423120A (en) | Preparation method of nanometer needle-shaped titanium dioxide B photocatalyst | |
| CN109879312A (en) | A kind of preparation method of photocatalyst of titanium dioxide nano-powder | |
| CN109326790A (en) | A kind of 1-dimention nano threadiness sodium titanate and its preparation method and application | |
| CN106825608A (en) | A kind of method that single dispersing gold decahedron nano-particle is prepared in ethylene glycol | |
| Foo et al. | Synthesis and characterisation of Y2O3 using ammonia oxalate as a precipitant in distillate pack co-precipitation process | |
| Sugimoto et al. | Formation mechanism of uniform spindle-type titania particles in the gel-sol process | |
| CN107512707B (en) | Fusiform g-C3N4And preparation method thereof | |
| CN111389421B (en) | Preparation method and application of two-dimensional layered bismuth oxychloride and titanium niobate composite photocatalytic material | |
| CN105399138A (en) | Perovskite SrTiO3 tetragonal nanoparticle preparation method and product | |
| CN105417578B (en) | A kind of preparation method of cauliflower-shaped brookite type titanium dioxide | |
| CN110342573A (en) | A kind of preparation method of cube titanium oxide | |
| CN107628641A (en) | A kind of titanium dioxide nano thread and preparation method thereof | |
| Sun et al. | INFLUENCE OF ANNEALING TEMPERATURE OF TiO 2 NANOTUBES VIA HYDROTHERMAL METHOD ON Ti FOIL FOR PHOTOCATALYTIC DEGRADATION. | |
| CN108946812A (en) | Alkali tungsten bronze nanometer rods and its preparation method and application | |
| CN110563036A (en) | bismuth oxide nano material rich in oxygen vacancy and preparation method thereof | |
| CN107973341A (en) | A kind of preparation method of three-dimensional titanium dioxide nano material | |
| Yanchao et al. | La-doped titania nanocrystals with superior photocatalytic activity prepared by hydrothermal method | |
| CN105800666B (en) | The preparation method of doped yttrium dysprosia nanometer rods | |
| CN111592039B (en) | Method for rapidly preparing BiOCl nanosheet array |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |