CN105771949A - Method for preparing titanium dioxide nano-semiconductor photocatalysis film - Google Patents
Method for preparing titanium dioxide nano-semiconductor photocatalysis film Download PDFInfo
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- CN105771949A CN105771949A CN201610261890.0A CN201610261890A CN105771949A CN 105771949 A CN105771949 A CN 105771949A CN 201610261890 A CN201610261890 A CN 201610261890A CN 105771949 A CN105771949 A CN 105771949A
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- photocatalysis
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 48
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000004408 titanium dioxide Substances 0.000 title abstract description 17
- 239000004065 semiconductor Substances 0.000 title abstract description 6
- 238000002360 preparation method Methods 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000001354 calcination Methods 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 238000004528 spin coating Methods 0.000 claims abstract description 6
- 238000003618 dip coating Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims abstract description 5
- 230000003213 activating effect Effects 0.000 claims abstract description 4
- 239000010408 film Substances 0.000 claims description 27
- 239000010409 thin film Substances 0.000 claims description 24
- 239000004020 conductor Substances 0.000 claims description 17
- 239000000243 solution Substances 0.000 claims description 17
- 230000003197 catalytic effect Effects 0.000 claims description 15
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 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 3
- 230000001476 alcoholic effect Effects 0.000 claims description 2
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 238000002156 mixing Methods 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
- 238000011161 development Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000005328 architectural glass Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000006555 catalytic reaction Methods 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 7
- 238000006731 degradation reaction Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 231100000252 nontoxic Toxicity 0.000 description 3
- 230000003000 nontoxic effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000006862 quantum yield reaction Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229960000935 dehydrated alcohol Drugs 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- -1 oxygen ion Chemical class 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229920000428 triblock copolymer Polymers 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
- B01J35/59—Membranes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a method for preparing a titanium dioxide nano-semiconductor photocatalysis film. The method comprises the following steps: 1) preparing a titanium dioxide sol-gel solution; 2) using the titanium dioxide sol-gel solution prepared in step 1) for preparing a titanium dioxide photocatalysis film with a thickness of 100-200 nm on a substrate through a dip-coating method or a spin-coating method, and placing the obtained film for later use; 3) calcining and activating the photocatalysis film prepared in step 2), curing the photocatalysis film through calcination follow-up treatment, and then naturally cooling the obtained film to room temperature, so as to obtain the titanium dioxide nano-semiconductor photocatalysis film. The method provided by the invention is simple in preparation, mild in condition, simple in process parameter and low in cost; a photocatalysis material prepared in the invention has high photocatalytic activity; such high-performance photocatalysis film is suitable for outdoor architectural glass curtain walls, lamps and other regions, adapts to the future development trend of reducing environmental pollution, has a very considerable application prospect.
Description
Technical field
The present invention relates to the preparation technology of a kind of nano material, the preparation method particularly relating to a kind of photocatalysis film, it is applied to photocatalytic degradation Material Field.
Background technology
Along with the development of society, problem of environmental pollution increasingly highlights, such as the useless smoke waste gas of coal-fired plant's discharge, the Organic substance of the negative unhealthy of chemical plant emission, tail gas etc. that motor vehicles produces, healthy to people of serious threat, so solution problem of environmental pollution is very urgent.Utilizing the pollutant in sunlight degradation water increasingly to come into one's own, common catalysis material has titanium dioxide, zinc oxide, cadmium sulfide etc., wherein with titanium dioxide most development potentiality.Titanium dioxide has three kinds of crystal formations, is Detitanium-ore-type, rutile-type and version titanium ore type respectively, and what wherein have photocatalytic activity is Detitanium-ore-type and rutile-type.Titanium dioxide is as the material of the light degradation pollutant of a kind of great potential, and nontoxic with it, cheap, high catalytic activity receives the concern of more and more people.
Optically catalytic TiO 2 degraded organic contamination mechanism is as follows:
Titanium dioxide is a kind of excellent quasiconductor, the electronics in titanium dioxide valence band can be excited at that time to make it transit to conduction band up when the wavelength light less than 387nm irradiates.At this moment in valence band, just create photohole, conduction band is then light induced electron.Light induced electron and hole have very strong reduction-oxidation ability, to such an extent as to gunslinging free radical and negative oxygen ion can be produced with the water and oxygen reaction being adsorbed on titanium deoxid film surface, these materials be easy to titanium dioxide around Organic substance react, it decomposes the most at last.Its each step reaction equation is as follows:
TiO2+hv→TiO2(h++e-) (1)
OH-/H2O+h+→.OH(2)
O2+e-→.O2(3)
.OH/O2+ organic pollution → H2O+CO2(4)
The activity of titanic oxide material of preparation, service life and quantum yield are also less desirable at present, are unfavorable for large-scale application in processing pollutant field.
Summary of the invention
In order to solve prior art problem, it is an object of the invention to the deficiency overcoming prior art to exist, the preparation method providing a kind of nano titania conductor photocatalysis thin film, can prepare the titanium dioxide semiconductor photocatalysis film of a kind of high activity, nontoxic, cheap, long service life.The high-performance catalytic degradation Organic substance in water nano titania semiconductive thin film that the present invention prepares, has higher catalysis activity than generally equal catalysis material, for conventional catalysis material photocatalytic activity 2 ~ 3 times, have significantly high quantum yield.
Create purpose for reaching foregoing invention, adopt following technical proposals:
The preparation method of a kind of nano titania conductor photocatalysis thin film, comprises the steps:
1) titania sol gel solution is prepared;Preferably employ the mixing titanium-containing materials of any one raw material or any several raw material in titanium tetraisopropylate, titanium tetrachloride and butyl titanate and prepare titania sol gel solution;As preferred technical scheme, adopt titaniferous materials to be dissolved in hydrochloric acid, and be slowly added into the alcoholic solution of P123, by mixed solution stirring to uniformly, obtain titania sol gel solution;
2) the titania sol gel solution of preparation in described step a is adopted, preparing thickness by dip-coating method (Dip-coating) or spin coating method (Spin-coating) in substrate is the optically catalytic TiO 2 film of 100 ~ 200nm, places 36~60h standby;When preparing optically catalytic TiO 2 film, it is preferred to use substrate be rigid material;It is preferred that the material of the substrate adopted is glass, silicon, quartz or metal;
3) photocatalysis film of preparation in described step b is carried out calcining and activating, calcining heat to photocatalysis film is 375~425 DEG C, calcination time is 4~6h, photocatalysis film, after calcining subsequent treatment solidifies, naturally cools to room temperature and can obtain nano titania conductor photocatalysis thin film.A kind of temperature-controlled process when photocatalysis film is calcined is to preferably employ temperature-programmed mode;Another kind of temperature-controlled process when photocatalysis film is calcined is to preferably employ non-temperature-programmed mode.
The present invention compared with prior art, has following apparent prominent substantive distinguishing features and remarkable advantage:
1. the nano titania semiconductive thin film energy high-performance optical catalytic degradation Organic substance in water that the present invention prepares, than generally equal catalysis material, there is higher catalysis activity, for 2 ~ 3 times of conventional catalysis material photocatalytic activity, there is significantly high quantum yield;
2. the present invention prepares high-performance catalytic degradation Organic substance in water nano titania semiconductive thin film, titanium dioxide raw material is drawn materials abundant, and it is extensive that substrate relates to material, such as rigid materials etc. such as simple glass, silicon, quartz, sheet metals, the material that substrate is suitable for is extensive, has longer service life;
3. preparation method of the present invention is simple, and advantages of nontoxic raw materials used, environmental protection, cost are low, and equipment used is simple, is conducive to large-scale application in processing water pollutant field.
Accompanying drawing explanation
Fig. 1 is the nano titania semiconductor film membrane preparation method flow chart of the embodiment of the present invention one.
Fig. 2 is the nano titania semiconductor thin film structure schematic diagram of the embodiment of the present invention one.
Fig. 3 is the nano titania semiconductive thin film scanning electron microscopic picture of the embodiment of the present invention one.
Fig. 4 is the nano titania semiconductive thin film photocatalysis characteristic test result figure of the embodiment of the present invention one.
Detailed description of the invention
Details are as follows for the preferred embodiments of the present invention:
Embodiment one:
In the present embodiment, referring to Fig. 1~4, the preparation method of a kind of nano titania conductor photocatalysis thin film, comprise the steps:
1) by the Ti (O-i-C of 10.5g3H7)4(titanium tetraisopropylate) is dissolved in the HCl solution that mass percent concentration is 37wt% of 7.4g;
2) the P123 triblock copolymer that the mean molecule quantity of 2.0g is 5800 is dissolved in 30.0g dehydrated alcohol;
3) by described step 2) solution that obtains is slowly added into described step 1) in, stirring, to uniformly, prepares titania sol gel solution;
4) adopting the titania sol gel solution of preparation in described step 3), preparing thickness by dip-coating method on the common glass sheet substrate of the clean 2.5cm*8cm of being of a size of is the optically catalytic TiO 2 film of 148nm, places 48h standby;
3) photocatalysis film of preparation in described step b is carried out calcining and activating, adopt temperature programming method, calcining heat to photocatalysis film is 400 DEG C, calcination time is 4h, photocatalysis film, after calcining subsequent treatment solidifies, naturally cools to room temperature and can obtain nano titania conductor photocatalysis thin film.
The present embodiment method reactions steps figure is as it is shown in figure 1, the quasiconductor optically catalytic TiO 2 nanofilmstructures prepared by the present embodiment method is as in figure 2 it is shown, be simple glass by the known substrate of schematic diagram 2, and mesoporous titanium dioxide film covers surface of ordinary glass.The microstructure seen under scanning electron microscope is as it is shown on figure 3, the titanium dioxide synthesized by said method as shown in Figure 3 really belongs to meso-hole structure.Finally the quasiconductor optically catalytic TiO 2 nano thin-film after processing being carried out light degradation test, as shown in Figure 4, when light application time reaches 25min, the degradation rate of pollutant reaches more than 90% to test result as shown in Figure 4.
The present embodiment covers the thick photocatalysis film of lid layer 100 ~ 200nm on the glass substrate by Best-Effort request, and obtains catalytic performance elite clone through calcining subsequent treatment.The present embodiment preparation is simple, mild condition, technological parameter are simple, less costly.Catalysis material prepared by the present embodiment has significantly high photocatalytic activity.This high performance photocatalysis film is applicable to the regions such as outdoor architecture glass curtain wall, light fixture, adapts to reduce the development trend of environmental pollution future, has considerable application prospect.
Embodiment two:
The present embodiment is essentially identical with embodiment one, is particular in that:
In the present embodiment, the preparation method of nano titania conductor photocatalysis thin film, comprise the steps:
1) this step is identical with embodiment one;
2) this step is identical with embodiment one;
3) this step is identical with embodiment one;
4) adopting the titania sol gel solution of preparation in described step 3), preparing thickness by spin coating method on the common glass sheet substrate of the clean 2.5cm*8cm of being of a size of is the optically catalytic TiO 2 film of 148nm, places 48h standby;
3) this step is identical with embodiment one.
The present embodiment adopts that spin coating method is equally possible obtains nano titania conductor photocatalysis thin film, and preparation technology is simple.
Above in conjunction with accompanying drawing, the embodiment of the present invention is illustrated; but the invention is not restricted to above-described embodiment; multiple change can also be made according to the purpose of the innovation and creation of the present invention; change, modification, replacement, combination or the simplification made under all spirit according to technical solution of the present invention and principle; all should be the substitute mode of equivalence; as long as meeting the goal of the invention of the present invention; without departing from the know-why of preparation method and the inventive concept of nano titania conductor photocatalysis thin film of the present invention, broadly fall into protection scope of the present invention.
Claims (7)
1. the preparation method of a nano titania conductor photocatalysis thin film, it is characterised in that comprise the steps:
1) titania sol gel solution is prepared;
2) adopting the titania sol gel solution of preparation in described step a, preparing thickness by dip-coating method or spin coating method in substrate is the optically catalytic TiO 2 film of 100 ~ 200nm, places 36~60h standby;
3) photocatalysis film of preparation in described step b is carried out calcining and activating, calcining heat to photocatalysis film is 375~425 DEG C, calcination time is 4~6h, photocatalysis film, after calcining subsequent treatment solidifies, naturally cools to room temperature and can obtain nano titania conductor photocatalysis thin film.
2. the preparation method of nano titania conductor photocatalysis thin film according to claim 1, it is characterized in that: in described step 1), adopt the mixing titanium-containing materials of any one raw material or any several raw material in titanium tetraisopropylate, titanium tetrachloride and butyl titanate to prepare titania sol gel solution.
3. the preparation method of nano titania conductor photocatalysis thin film according to claim 1, it is characterised in that: in described step 2) in, when preparing optically catalytic TiO 2 film, the substrate of employing is rigid material.
4. the preparation method of nano titania conductor photocatalysis thin film according to claim 3, it is characterised in that: in described step 2) in, when preparing optically catalytic TiO 2 film, the material of the substrate of employing is glass, silicon, quartz or metal.
5. the preparation method of nano titania conductor photocatalysis thin film according to claim 1, it is characterised in that: in described step 3), temperature-controlled process when photocatalysis film is calcined, adopt temperature-programmed mode.
6. the preparation method of nano titania conductor photocatalysis thin film according to claim 1, it is characterised in that: in described step 3), temperature-controlled process when photocatalysis film is calcined, adopt non-temperature-programmed mode.
7. the preparation method of nano titania conductor photocatalysis thin film according to any one in claim 1~6, it is characterized in that: in described step 1), titaniferous materials is adopted to be dissolved in hydrochloric acid, and it is slowly added into the alcoholic solution of P123, by mixed solution stirring to uniformly, obtain titania sol gel solution.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106929120A (en) * | 2017-02-08 | 2017-07-07 | 华中科技大学 | A kind of method of fine particle generation in suppression combustion chamber |
CN108505062A (en) * | 2018-05-04 | 2018-09-07 | 厦门大学 | A kind of method that electro-catalysis reduction oxygen generates hydrogen peroxide |
CN115650597A (en) * | 2022-11-09 | 2023-01-31 | 泛城设计股份有限公司 | Application of photocatalytic self-cleaning coating in glass curtain wall cleaning |
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CN101452772A (en) * | 2009-01-04 | 2009-06-10 | 上海大学 | Dye sensitization solar cell electrode and method for making same |
CN101574650A (en) * | 2009-05-26 | 2009-11-11 | 上海应用技术学院 | Mesoporous photocatalytic film and preparation method thereof |
CN101602933A (en) * | 2009-07-03 | 2009-12-16 | 中南大学 | Self-cleaning super-hydrophilic thin film and preparation method thereof |
CN101792178A (en) * | 2010-03-08 | 2010-08-04 | 厦门大学 | Ordered mesoporous titanium dioxide film with three-dimensionally communicated vertical open pores and preparation method thereof |
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2016
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Patent Citations (5)
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CN101367035A (en) * | 2008-09-24 | 2009-02-18 | 中国科学院广州地球化学研究所 | Preparation method for nano-titanium dioxide film photocatalyst |
CN101452772A (en) * | 2009-01-04 | 2009-06-10 | 上海大学 | Dye sensitization solar cell electrode and method for making same |
CN101574650A (en) * | 2009-05-26 | 2009-11-11 | 上海应用技术学院 | Mesoporous photocatalytic film and preparation method thereof |
CN101602933A (en) * | 2009-07-03 | 2009-12-16 | 中南大学 | Self-cleaning super-hydrophilic thin film and preparation method thereof |
CN101792178A (en) * | 2010-03-08 | 2010-08-04 | 厦门大学 | Ordered mesoporous titanium dioxide film with three-dimensionally communicated vertical open pores and preparation method thereof |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106929120A (en) * | 2017-02-08 | 2017-07-07 | 华中科技大学 | A kind of method of fine particle generation in suppression combustion chamber |
CN108505062A (en) * | 2018-05-04 | 2018-09-07 | 厦门大学 | A kind of method that electro-catalysis reduction oxygen generates hydrogen peroxide |
CN115650597A (en) * | 2022-11-09 | 2023-01-31 | 泛城设计股份有限公司 | Application of photocatalytic self-cleaning coating in glass curtain wall cleaning |
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