CN108840579A - A kind of superfine Ti O2Nano crystal array and preparation method thereof - Google Patents
A kind of superfine Ti O2Nano crystal array and preparation method thereof Download PDFInfo
- Publication number
- CN108840579A CN108840579A CN201810871136.8A CN201810871136A CN108840579A CN 108840579 A CN108840579 A CN 108840579A CN 201810871136 A CN201810871136 A CN 201810871136A CN 108840579 A CN108840579 A CN 108840579A
- Authority
- CN
- China
- Prior art keywords
- crystal array
- nano crystal
- superfine
- tio
- solution
- 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.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000013078 crystal Substances 0.000 title description 2
- 239000002159 nanocrystal Substances 0.000 claims abstract description 51
- 239000011521 glass Substances 0.000 claims abstract description 21
- 239000012670 alkaline solution Substances 0.000 claims abstract description 16
- 239000000243 solution Substances 0.000 claims abstract description 14
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000007864 aqueous solution Substances 0.000 claims abstract description 7
- 238000001354 calcination Methods 0.000 claims abstract description 6
- 239000002253 acid Substances 0.000 claims abstract description 3
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 3
- 239000007791 liquid phase Substances 0.000 claims abstract description 3
- 239000011159 matrix material Substances 0.000 claims abstract description 3
- 239000011707 mineral Substances 0.000 claims abstract description 3
- 150000003839 salts Chemical class 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims abstract description 3
- 238000004140 cleaning Methods 0.000 claims description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 150000007522 mineralic acids Chemical class 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 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 3
- 238000003760 magnetic stirring Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 2
- 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 2
- 230000003628 erosive effect Effects 0.000 claims 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 19
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005530 etching Methods 0.000 abstract description 4
- 238000005215 recombination Methods 0.000 abstract description 4
- 239000002073 nanorod Substances 0.000 abstract description 3
- 230000006798 recombination Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000005518 electrochemistry Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract description 2
- 230000009257 reactivity Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 238000001782 photodegradation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
- C03C17/3417—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials all coatings being oxide coatings
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/20—Materials for coating a single layer on glass
- C03C2217/21—Oxides
- C03C2217/212—TiO2
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/20—Materials for coating a single layer on glass
- C03C2217/21—Oxides
- C03C2217/24—Doped oxides
- C03C2217/241—Doped oxides with halides
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/71—Photocatalytic coatings
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/111—Deposition methods from solutions or suspensions by dipping, immersion
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/32—After-treatment
- C03C2218/328—Partly or completely removing a coating
- C03C2218/33—Partly or completely removing a coating by etching
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The present invention relates to a kind of superfine Ti O2Nano crystal array, the TiO having a size of 10-50nm size2Nanocrystalline vertical-growth is in the superfine Ti O constituted on FTO electro-conductive glass matrix2Nano crystal array;Preparation method is:By hydro-thermal reaction in growing TiO in clean FTO electro-conductive glass substrate2Nano crystal array, hydro-thermal reaction solution are the mineral acid aqueous solution containing soluble T i salt, and hydro-thermal reaction product obtains TiO through calcining2Nano crystal array finally obtains superfine Ti O using the liquid phase etching of alkaline solution2Nano crystal array.Present invention combination TiO2The properity feature of nano crystal array, superfine Ti O of the construction size as 10-50nm2Nano crystal array has high-specific surface area, from photo-generate electron-hole is reduced to recombination probability and raising TiO2Two aspects of nanorod surfaces reactivity improve its optical electro-chemistry activity and incident photon-to-electron conversion efficiency.
Description
Technical field
The present invention relates to nano material, photocatalysis and photoelectric conversion technical fields, and in particular to a kind of superfine TiO2 nanometer
Brilliant array and preparation method thereof.
Background technique
TiO2Nano material because of its outstanding physical and chemical performance, make its be widely used in photocatalytic degradation of organic matter,
The fields such as photodegradation water and fuel sensitization solar battery.Wherein TiO2Nano crystal array have excellent absorbing properties,
Lower electronics recombination probability, makes it than zero dimension TiO2Nanometer particle film is preferably to be used for photoelectrocatalysis field.
But there are still some problems seriously to constrain TiO2Nano crystal array is further applied.TiO2Nano crystal array specific surface area
It is smaller, however, the increase of specific surface area can effectively improve active site and organic matter adsorption capacity, to improve light degradation effect
Rate.TiO2The length of nano crystal array decides TiO2Specific surface area, but TiO2The length of nano crystal array film is if more than electronics
Length needed for transmission, will increase electronics and hole-recombination probability, so as to cause the reduction of photocatalysis hydrogen production efficiency.
Summary of the invention
To solve the above problems, it is an object of the invention to:A kind of superfine Ti O is provided2Nano crystal array and its preparation side
Method, to improve its PhotoelectrocatalytiPerformance Performance.
To achieve the goals above, the technical scheme adopted by the invention is as follows:
A kind of superfine Ti O2Nano crystal array, the TiO having a size of 10-50nm size2Nanocrystalline vertical-growth is in FTO conduction
The superfine Ti O constituted on glass matrix2Nano crystal array.
A kind of superfine Ti O2The preparation method of nano crystal array, it is characterised in that:It is led by hydro-thermal reaction in clean FTO
TiO is grown in electric substrate of glass2Nano crystal array, hydro-thermal reaction solution are the mineral acid aqueous solution containing soluble T i salt,
Hydro-thermal reaction product obtains TiO through calcining2Nano crystal array finally obtains superfine Ti O using the liquid phase etching of alkaline solution2It receives
The brilliant array of rice.
Preferably, a kind of superfine Ti O2The preparation method of nano crystal array, specific step is as follows:
(1) by FTO electro-conductive glass be placed in isopropanol, alcohol, deionized water mixed solution in be cleaned by ultrasonic after dry protect
It deposits stand-by;
(2) inorganic acid solution that concentration is 2-8mol/L is slowly added to deionized water, and is mixed using magnetic stirring apparatus
Uniformly;Then the titanium source solution that concentration is 0.01-0.10mol/L is added using liquid-transfering gun, stirring is transferred to reaction to uniformly mixed
In kettle, the FTO electro-conductive glass after step (1) cleaning is immersed, the reaction kettle after sealing is placed on by high-temperature process
150-240 DEG C of baking oven inside holding 50-400min, takes out FTO electro-conductive glass after cooling, cleaning obtains being grown on FTO conduction glass
The TiO of glass2Nano crystal array;
(3) TiO of FTO glass will be grown on2Nano crystal array is placed in Muffle furnace in 400-550 DEG C of calcining 60-
150min;
(4) alkaline solution for configuring 0.001-0.5mol/L, step (3) product is placed in alkaline solution and etches 30-
200min after cleaning, obtains superfine Ti O2Nano crystal array.
Preferably, titanium source solution used in step (2) is one of butyl titanate, titanium tetrachloride, isopropyl titanate
Or a variety of mixed solutions.
Preferably, inorganic acid solution used in step (2) is that one of hydrochloric acid, nitric acid, sulfuric acid or a variety of mixing are molten
Liquid.
Preferably, it is that one of NaOH, KOH, LiOH or a variety of mixing are molten that alkaline solution used is etched in step (4)
Liquid.
The beneficial effects of the present invention are:
Present invention combination TiO2The properity feature of nano crystal array, superfine Ti O of the construction size as 10-50nm2
Nano crystal array has high-specific surface area, from photo-generate electron-hole is reduced to recombination probability and raising TiO2Nanorod surfaces are anti-
Two aspects of activity are answered to improve its optical electro-chemistry activity and incident photon-to-electron conversion efficiency.
Detailed description of the invention
Fig. 1 is the superfine Ti O refined through various concentration alkaline solution2The SEM of nano crystal array schemes;
Wherein, the TiO shown in Fig. 1 (i) not refine2Nano crystal array, Fig. 1 (ii), Fig. 1 (iii), Fig. 1 (iv) point
It is not alkaline solution concentration under the conditions of 0.025mol/L, 0.05mol/L, 0.1mol/L, the SEM of etching schemes.
Fig. 2 is basic Ti0 prepared by the embodiment of the present invention 12Nano crystal array and respectively in 0.025mol/L, 0.05mol/
L, the superfine Ti 0 of the alkaline solution that (corresponds respectively to curve a, b, c, d in Fig. 2) under 0.1mol/L concentration etching2Nanocrystalline battle array
The photo-current intensity curve graph of column.
Specific embodiment
The present invention is further illustrated with reference to embodiments, it should be noted that is only to present inventive concept
Example and explanation, affiliated those skilled in the art make various modifications to described specific embodiment
Or supplement or be substituted in a similar manner, as long as it does not deviate from the concept of invention or surmount model defined in the claims
It encloses, is regarded as falling into protection scope of the present invention.
Embodiment 1
A kind of superfine Ti O2Nano crystal array and preparation method thereof preparation process is:
(1) FTO electro-conductive glass is placed in ratio is 1:1:1 isopropanol, alcohol, ultrasound is clear in deionized water mixed solution
10min is washed, rear drying saves stand-by.
(2) hydro-thermal reaction precursor liquid is prepared, specifically:Firstly, 12.5mL concentrated hydrochloric acid solution is slowly added to 12.5mL
Deionized water, and using magnetic stirring apparatus be uniformly mixed;Then the butyl titanate of 800 μ L, stirring are added using liquid-transfering gun
Extremely it is uniformly mixed;Finally hydro-thermal reaction liquid is transferred in reaction kettle, the FTO glass after cleaning is immersed.It is anti-after sealing
It answers kettle to handle for a period of time by high temperature, FTO glass, cleaning is taken out after cooling.
(3) TiO for being grown on FTO glass for obtaining step (2)2Nano crystal array is placed in 500 DEG C of calcinings in Muffle furnace
Crystallization keeps the temperature 120min.
(4) KOH solution for configuring 0.025mol/L, by step 3) product TiO2It is carved in nano crystal array merging KOH solution
60min is lost, after cleaning, obtains superfine Ti O2Nano crystal array
Fig. 1 (ii) show the alkaline solution aqueous solution refinement TiO of 0.025mol/L2Nano crystal array different angle
SEM pattern, as can be seen from the figure TiO2Nanorod diameter is 50nm or so, nanometer rods marshalling.
After tested, TiO is refined according to the alkaline solution aqueous solution that above-mentioned steps are prepared2Nano crystal array, in 48mW/cm2
Ultraviolet light under, photoelectric current be 450 μ A, about step (3) preparation do not refine TiO2The 4 of nano crystal array photoelectric current
Times.
Embodiment 2
The preparation method is the same as that of Example 1 for the present embodiment, the difference is that (the proofing concentration in 5 is changed to 0.05mol/L to step.
After tested, TiO is refined according to the alkaline solution aqueous solution that above-mentioned steps are prepared2Nano crystal array, in 48mW/cm2
Ultraviolet light under, photoelectric current be 220 μ A, about step (3 preparation do not refine TiO2The 2.8 of nano crystal array photoelectric current
Times.
Embodiment 3
The preparation method is the same as that of Example 1 for the present embodiment, the difference is that the proofing concentration in step (5) is changed to 0.1mol/L.
After tested, TiO is refined according to the alkaline solution aqueous solution that above-mentioned steps are prepared2Nano crystal array, in 48mW/cm2
Ultraviolet light under, photoelectric current be 180 μ A, about step (3) preparation do not refine TiO2The 2.2 of nano crystal array photoelectric current
Times.
Claims (6)
1. a kind of superfine Ti O2Nano crystal array, it is characterised in that:TiO having a size of 10-50nm size2Nanocrystalline vertical-growth
In the superfine Ti O constituted on FTO electro-conductive glass matrix2Nano crystal array.
2. a kind of superfine Ti O as described in claim 12The preparation method of nano crystal array, it is characterised in that:It is anti-by hydro-thermal
TiO should be grown in clean FTO electro-conductive glass substrate2Nano crystal array, hydro-thermal reaction solution are to contain soluble T i salt
Mineral acid aqueous solution, hydro-thermal reaction product obtain TiO through calcining2Nano crystal array is finally carved using the liquid phase of alkaline solution
Erosion obtains superfine Ti O2Nano crystal array.
3. superfine Ti O as claimed in claim 22The preparation method of nano crystal array, it is characterised in that:Specific step is as follows:
(1) by FTO electro-conductive glass be placed in isopropanol, alcohol, deionized water mixed solution in be cleaned by ultrasonic after drying save to
With;
(2) inorganic acid solution that concentration is 2-8mol/L is slowly added to deionized water, and is uniformly mixed using magnetic stirring apparatus;
Then the titanium source solution that concentration is 0.01-0.10mol/L being added using liquid-transfering gun, stirring is transferred in reaction kettle to uniformly mixed,
FTO electro-conductive glass after step (1) cleaning is immersed, the reaction kettle after sealing is placed on 150-240 by high-temperature process
DEG C baking oven inside holding 50-400min, FTO electro-conductive glass is taken out after cooling, cleaning obtains the TiO for being grown on FTO electro-conductive glass2
Nano crystal array;
(3) TiO of FTO electro-conductive glass will be grown on2Nano crystal array is placed in Muffle furnace in 400-550 DEG C of calcining 60-
150min;
(4) alkaline solution for configuring 0.001-0.5mol/L, step (3) product is placed in alkaline solution and etches 30-200min,
After cleaning, superfine Ti O is obtained2Nano crystal array.
4. superfine Ti O as claimed in claim 32The preparation method of nano crystal array, it is characterised in that:Used in step (2)
Titanium source solution is one or more of butyl titanate, titanium tetrachloride, isopropyl titanate mixed solution.
5. superfine Ti O as claimed in claim 32The preparation method of nano crystal array, it is characterised in that:Used in step (2)
Inorganic acid solution is one of hydrochloric acid, nitric acid, sulfuric acid or a variety of mixed solutions.
6. superfine Ti O as claimed in claim 32The preparation method of nano crystal array, it is characterised in that:Institute is etched in step (4)
It is one of NaOH, KOH, LiOH or a variety of mixed solutions with alkaline solution.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810871136.8A CN108840579A (en) | 2018-08-02 | 2018-08-02 | A kind of superfine Ti O2Nano crystal array and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810871136.8A CN108840579A (en) | 2018-08-02 | 2018-08-02 | A kind of superfine Ti O2Nano crystal array and preparation method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108840579A true CN108840579A (en) | 2018-11-20 |
Family
ID=64195307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810871136.8A Pending CN108840579A (en) | 2018-08-02 | 2018-08-02 | A kind of superfine Ti O2Nano crystal array and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108840579A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109920649A (en) * | 2019-04-03 | 2019-06-21 | 湖北大学 | One-dimensional super long TiO2Nanometer stick array and preparation method thereof and the application in dye-sensitized solar cells |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102153289A (en) * | 2010-12-02 | 2011-08-17 | 中国科学院上海硅酸盐研究所 | Laminar titanium dioxide array film and preparation method thereof |
CN102503166A (en) * | 2011-10-21 | 2012-06-20 | 厦门大学 | Preparation method of one-dimensional rutile TiO2 nanorod array film |
CN102674706A (en) * | 2012-06-01 | 2012-09-19 | 天津大学 | Method for preparing titanium dioxide nano multi-level structure thin film on conductive glass |
CN104310794A (en) * | 2014-09-28 | 2015-01-28 | 吉林大学 | Porous TiO2 nanocrystalline thin film having three-dimensional nanorod floral structure as well as preparation method and application of porous TiO2 nanocrystalline thin film |
CN104752063A (en) * | 2015-04-11 | 2015-07-01 | 吉林大学 | Porous TiO2 nanocrystalline thin film with three-dimensional nanorod film chip structure, preparation method and application |
CN106431005A (en) * | 2016-09-08 | 2017-02-22 | 青岛科技大学 | Strontium titanate-titanium dioxide composite nanotube array film and preparation method and application thereof |
CN108264239A (en) * | 2018-04-24 | 2018-07-10 | 合肥工业大学 | A kind of TiO with concentration gradient2Base heterojunction nano crystal array and preparation method thereof |
-
2018
- 2018-08-02 CN CN201810871136.8A patent/CN108840579A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102153289A (en) * | 2010-12-02 | 2011-08-17 | 中国科学院上海硅酸盐研究所 | Laminar titanium dioxide array film and preparation method thereof |
CN102503166A (en) * | 2011-10-21 | 2012-06-20 | 厦门大学 | Preparation method of one-dimensional rutile TiO2 nanorod array film |
CN102674706A (en) * | 2012-06-01 | 2012-09-19 | 天津大学 | Method for preparing titanium dioxide nano multi-level structure thin film on conductive glass |
CN104310794A (en) * | 2014-09-28 | 2015-01-28 | 吉林大学 | Porous TiO2 nanocrystalline thin film having three-dimensional nanorod floral structure as well as preparation method and application of porous TiO2 nanocrystalline thin film |
CN104752063A (en) * | 2015-04-11 | 2015-07-01 | 吉林大学 | Porous TiO2 nanocrystalline thin film with three-dimensional nanorod film chip structure, preparation method and application |
CN106431005A (en) * | 2016-09-08 | 2017-02-22 | 青岛科技大学 | Strontium titanate-titanium dioxide composite nanotube array film and preparation method and application thereof |
CN108264239A (en) * | 2018-04-24 | 2018-07-10 | 合肥工业大学 | A kind of TiO with concentration gradient2Base heterojunction nano crystal array and preparation method thereof |
Non-Patent Citations (2)
Title |
---|
周瑞发等: "《纳米材料技术》", 31 July 2003, 国防工业出版社 * |
杨保祥: "《钛基材料制造》", 31 January 2015, 冶金工业出版社 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109920649A (en) * | 2019-04-03 | 2019-06-21 | 湖北大学 | One-dimensional super long TiO2Nanometer stick array and preparation method thereof and the application in dye-sensitized solar cells |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Lo et al. | Study of ZnSnO3-nanowire piezophotocatalyst using two-step hydrothermal synthesis | |
CN104941614B (en) | The method that contact reducing process prepares black titanium dioxide | |
CN102965710A (en) | Preparation of silver/cadmium sulfide-nanoparticle-comodified titanium dioxide nanotube array | |
CN106268804B (en) | One step hydrothermal technique prepares Ag2O/Ag2WO4The method of nanometer rods | |
CN104874384B (en) | Preparation method of titanium dioxide thin film with micro-nano composite structure | |
CN105618153B (en) | A kind of silicon titanium dioxide polypyrrole three-dimensional bionic composite and application based on level assembling | |
CN102162127A (en) | Method for preparing rutile single crystal superfine titanium dioxide nano wire array grown vertical to substrate | |
CN106540673A (en) | A kind of three-dimensional TiO2The synthetic method of/ZnO heterojunction array | |
CN108675345A (en) | A kind of titanium dioxide nano hollow ball and preparation method thereof | |
CN103354283A (en) | Gold nanoparticle-modified dendritic titanium dioxide nanorod array electrode, as well as preparation method and application of hydrogen production by photocatalytic water splitting | |
CN103101972A (en) | Preparation method of three-dimensional mesoporous titanium dioxide photocatalyst by means of biological template method | |
CN103111276A (en) | Preparation method of porous array ZnO/TiO2 composite photocatalyst | |
CN106887336A (en) | TiO2/BiVO4The preparation method of nano-array optoelectronic pole | |
CN104801295B (en) | Titanium oxide/tungsten oxide nano-composite film on surface of metallic titanium, preparation and application | |
Lin et al. | Fabrication of high specific surface area TiO2 nanopowders by anodization of porous titanium | |
CN108840579A (en) | A kind of superfine Ti O2Nano crystal array and preparation method thereof | |
CN101956194A (en) | Method for preparing TiO2 thin film modified titanium-based beta-PbO2 photoelectrode | |
JP2004331490A (en) | Titania nanotube and its manufacturing method | |
CN104628262B (en) | Method for preparing matchstick-shaped TiO2 nanoparticle and nanorod composite array | |
CN109486248A (en) | A kind of preparation method of graphene dopen Nano oxide coating liquid and film | |
Kartini et al. | Sol-gel derived ZnO nanorod templated TiO2 nanotube synthesis for natural dye sensitized solar cell | |
Miao et al. | Preparation and activity evaluation of the novel Cu/TiO2 nanometer photocatalytic materials | |
CN104681291A (en) | Preparation method of titanium dioxide nanotube composite film electrode | |
CN107488864A (en) | The preparation method of the optoelectronic pole of zinc supported nickel cobalt subcarbonate | |
CN105642367A (en) | Antireflective double layer P/N heterojunction graded composite material with monocrystalline silicon as carrier, and application thereof |
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 | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181120 |