CN106431005A - Strontium titanate-titanium dioxide composite nanotube array film and preparation method and application thereof - Google Patents
Strontium titanate-titanium dioxide composite nanotube array film and preparation method and application thereof Download PDFInfo
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- CN106431005A CN106431005A CN201610809678.3A CN201610809678A CN106431005A CN 106431005 A CN106431005 A CN 106431005A CN 201610809678 A CN201610809678 A CN 201610809678A CN 106431005 A CN106431005 A CN 106431005A
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- Prior art keywords
- titanium dioxide
- conductive glass
- room temperature
- strontium
- dioxide composite
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 130
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 85
- 239000002071 nanotube Substances 0.000 title claims abstract description 60
- 229910052712 strontium Inorganic materials 0.000 title claims abstract description 60
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000002131 composite material Substances 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000011521 glass Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 239000002105 nanoparticle Substances 0.000 claims abstract description 7
- 239000010405 anode material Substances 0.000 claims abstract description 5
- 239000011941 photocatalyst Substances 0.000 claims abstract description 4
- 238000006303 photolysis reaction Methods 0.000 claims abstract 2
- 230000015843 photosynthesis, light reaction Effects 0.000 claims abstract 2
- 239000010408 film Substances 0.000 claims description 53
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 48
- 239000008367 deionised water Substances 0.000 claims description 42
- 229910021641 deionized water Inorganic materials 0.000 claims description 42
- 229910052573 porcelain Inorganic materials 0.000 claims description 27
- 230000004044 response Effects 0.000 claims description 23
- 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 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000010936 titanium Substances 0.000 claims description 15
- 238000001354 calcination Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 239000010409 thin film Substances 0.000 claims description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 10
- DDGDWXGKPCHUCI-UHFFFAOYSA-N strontium;hydrate Chemical compound O.[Sr] DDGDWXGKPCHUCI-UHFFFAOYSA-N 0.000 claims description 10
- 229910052719 titanium Inorganic materials 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 239000002073 nanorod Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 239000012071 phase Substances 0.000 claims description 3
- 238000004042 decolorization Methods 0.000 claims description 2
- 239000007791 liquid phase Substances 0.000 claims description 2
- 238000013033 photocatalytic degradation reaction 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
- 238000002156 mixing Methods 0.000 claims 1
- 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 1
- UUCCCPNEFXQJEL-UHFFFAOYSA-L strontium dihydroxide Chemical compound [OH-].[OH-].[Sr+2] UUCCCPNEFXQJEL-UHFFFAOYSA-L 0.000 abstract description 5
- 229910001866 strontium hydroxide Inorganic materials 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 abstract 2
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 238000010335 hydrothermal treatment Methods 0.000 abstract 1
- 239000005416 organic matter Substances 0.000 abstract 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 abstract 1
- 239000003053 toxin Substances 0.000 abstract 1
- 231100000765 toxin Toxicity 0.000 abstract 1
- 239000000376 reactant Substances 0.000 description 31
- 239000000243 solution Substances 0.000 description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 230000008859 change Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 239000000975 dye Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 241000790917 Dioxys <bee> Species 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- XONPDZSGENTBNJ-UHFFFAOYSA-N molecular hydrogen;sodium Chemical compound [Na].[H][H] XONPDZSGENTBNJ-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical class CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 229910002370 SrTiO3 Inorganic materials 0.000 description 1
- DQKZBBLOXVFMJQ-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Sr++] Chemical compound [O--].[O--].[Ti+4].[Sr++] DQKZBBLOXVFMJQ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- -1 two or three Substances 0.000 description 1
- 239000002351 wastewater 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/20—Light-sensitive devices
- H01G9/2022—Light-sensitive devices characterized by he counter electrode
-
- 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
- C03C2217/40—Coatings comprising at least one inhomogeneous layer
-
- 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
- C03C2217/90—Other aspects of coatings
- C03C2217/94—Transparent conductive oxide layers [TCO] being part of a multilayer coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/542—Dye sensitized solar cells
Abstract
The invention relates to a strontium titanate-titanium dioxide composite nanotube array film and a preparation method and application thereof. The film is obtained through direct growth on a conductive glass substrate with a three-step hydrothermal method; hydrothermal synthesis of titanium dioxide nanorods is carried out in the first step, the titanium dioxide nanorods are etched to generate titanium dioxide nanotubes in the second step of hydrothermal treatment, strontium hydroxide serves as a strontium source in the third step of hydrothermal reaction, and finally the composite film with perovskite type strontium titanate nanoparticles uniformly distributed on the surface of the titanium dioxide nanotube array is obtained, wherein the titanium dioxide nanotubes are vertically arrayed on the conductive glass substrate. The composite film can serve as an anode material of solar cells or serve as a photocatalyst for degradation treatment of photolysis water or organic matter. The three-step hydrothermal method is adopted for in-situ synthesis, the preparation process and needed equipment are simple, the controllability is high, and production is safe, free of toxin and environmentally friendly; by assembling the film into solar cells, the sunlight capturing capability of photoanodes can be improved, and the photoelectric conversion efficiency can be improved.
Description
Technical field：
The present invention relates to a kind of strontium titanates of special microscopic appearance structure-titanium dioxide composite nano tube array film and its
Preparation method and application, belong to semiconductor nanometer composite material preparing technical field, be applicable to solar battery light anode or
Photocatalyst for degrading dye wastewater.
Background technology：
With the continuous upgrading of the energy and environmental problem, people are also growing to the demand of novel energy.Solar energy
As the huge green energy resource of reserves, it using with change into for popular research field, novel environmental close friend's quasiconductor is multiple
Condensation material meets the development of current era, and receives much concern, and develops eco-friendly semiconductor composite for the mankind
Sustainable development have important economy and social meaning, be also a research work with great challenge simultaneously.
Titanium dioxide can convert solar energy into electric energy or chemical energy effectively, have cleaning, gentle, efficiently, steady
The advantages of determine.In order to overcome the deficiencies such as titanium dioxide energy gap is big, excite electric charge to be easily combined it is necessary to solve two technology difficulties
Topic：(1) energy gap (～3.2eV) of titanium dioxide determines it and can only be excited by the ultraviolet light less than 380nm, and is less than
This portion of energy of the ultraviolet light of 380nm only accounts for reaching the 5% about of earth surface solar radiation it is therefore desirable to widen titanium dioxide
Response range to spectrum, improves the utilization rate of solar energy particularly visible region；(2) being quickly combined between charge carrier leads to
Quantum yield is normally no higher than 20%, and this allows for the practical efficiency only about 1% of solar energy, thus improve light induced electron and
The efficiently separating of hole pair, suppress the compound necessary means being also to improve titanium dioxide photoelectric transformation efficiency.In titanium dioxide table
It is a kind of effective ways improving photo-quantum efficiency that face deposits perovskite.Strontium titanates (SrTiO3) it is a kind of typical perovskite knot
Structure quasiconductor, its energy gap is 3.2eV, is in addition to the another kind of quasiconductor with larger application potential outside titanium dioxide
Photoelectric material, can be well matched with titanium dioxide.
Content of the invention：
Present invention aim to overcome that the shortcoming that prior art exists, provide a kind of strontium titanates-titanium dioxide composite Nano
Pipe array film and preparation method and application.
In order to realize foregoing invention purpose, a kind of strontium titanates-titanium dioxide composite nano tube array film of the present invention, its
Be characterised by that strontium titanates-titanium dioxide composite nano tube aligns in high-sequential, bore average-size be 40～
100nm, pipe range is 1～2 μm, and strontium titanates nanoparticle is evenly distributed on the surface of nanotube, and crystalline phase is Ca-Ti ore type, size
For 1～100nm.
Titanium dioxide in described strontium titanates-titanium dioxide composite nano tube array film belongs to rutile-type.
A kind of preparation method of strontium titanates-titanium dioxide composite nano tube array film, using three one-step hydrothermals in conduction
In substrate of glass, direct growth is obtained, and operates in accordance with the following steps：
The first step, the hydrochloric acid being 36%-38% by deionized water with concentration under room temperature mixes for 1: 6-6: 1 according to volume ratio
Take 30mL after uniformly, add 0.1-1mL titanium source presoma, stir to obtain transparent settled solution, pours the conduction being placed with inclination into
In the reactor of sheet glass, the conduction of electro-conductive glass faces down, and puts into and carries out hydro-thermal reaction in baking oven, heating-up temperature be 80～
240 DEG C, heat time heating time is 1～12 hour, after question response finishes, reactor is taken out, and naturally cools to room temperature, takes out conductive glass
Glass, deionized water is rinsed well, stand-by after being dried；Described titanium source presoma is titanium tetrachloride, tetrabutyl titanate, four isopropanols
One of titanium, two or three, liquid phase；
Second step, the electro-conductive glass piece that the length that step one is obtained has titanium dioxide nanorod array film tilts to put into anti-
Answer in kettle, conduction faces down, the hydrochloric acid being 36%-38% by deionized water with concentration under room temperature is 1: 6～6: 1 according to volume ratio
Take 30mL after mix homogeneously, pour reactor into, place into baking oven for heating, carry out hydro-thermal reaction, heating-up temperature is 80～240 DEG C,
Heat time heating time is 0.5～12 hour, after question response finishes, reactor is taken out, and naturally cools to room temperature, takes out electro-conductive glass,
Deionized water is rinsed well, stand-by after being dried；
3rd step, the length that step 2 is obtained has the electro-conductive glass piece of titanium dioxide nano-pipe array thin film with titanium dioxide
The nano-pipe array thin film inclination that faces down is put in reactor, then 30mL10-7～10-2The strontium hydroxide solution of mol/L is put into
In reactor, adjustment pH value range is 8-14, places into baking oven for heating, carries out hydro-thermal reaction, and heating-up temperature is 100～240 DEG C,
Heat time heating time is 1～24 hour, after completion of the reaction, reactor is taken out, and naturally cools to room temperature, takes out electro-conductive glass, is used in combination
Deionized water cyclic washing remains to the reactionless thing in its surface, spontaneously dries under room temperature；
4th step, the length that step 3 is obtained has the electro-conductive glass of strontium titanates-titanium dioxide composite nano tube array film
Piece is transferred in porcelain boat and puts into porcelain boat and carries out calcination processing in high temperature furnace, calcining heat be 300～600 DEG C, the time be 1～
12 hours；
5th step, after the completion of question response, cools to room temperature with the furnace, takes out porcelain boat, obtaining surface has Ca-Ti ore type metatitanic acid strontium
The titanium dioxide composite nano tube array film of nano-particle load.
The application of the strontium titanates of the present invention-titanium dioxide composite nano tube array film, under solar simulating radiation illumination
Decolorization of dye effluent is degraded, and can carry out the assembling of solaode as anode material, or is used for light as photocatalyst
Solution water hydrogen manufacturing and the photocatalytic degradation of organic pollution.
Compared with prior art, advantages of the present invention and good effect are：1st, synthesize strontium titanates-titanium dioxide composite Nano
Reagent low toxicity or nontoxic needed for pipe array film, building-up process is gentle, environmentally friendly；2nd, titanium dioxide nano-pipe array thin film
In preparation process, reaction temperature is simple with time adjusting method, has efficiently controlled the shape size of titania nanotube；3、
The change of Strontium hydrate. concentration has regulated and controled the uniformity of metatitanic acid strontium particle effectively；4th, in product calcination process, temperature and time
Modification scope width, simple to operation；5th, the specific surface area of the titanium dioxide of nano tube structure is big, beneficial to the deposition of strontium titanates；6、
Using three one-step hydrothermal fabricated in situ, there is simple and easy to control, high selectivity, high yield, save energy, meet current society
The requirement of meeting green chemistry.It is assembled into solaode and can improve the capturing ability to sunlight for the light anode, improve light
Electric transformation efficiency.
Brief description：
Fig. 1 is strontium titanates-titanium dioxide composite nano tube array film titanium dioxide nano-rod, dioxy in building-up process
Change titanium nanotube, strontium titanates-titanium dioxide composite nano tube structural representation；
Fig. 2 is strontium titanates-titanium dioxide composite nano tube array film scanning electron microscopic picture；
Fig. 3 is the strontium titanates-titanium dioxide composite nano tube array film of different Strontium hydrate. solution concentration synthesis in mould
Intend the current -voltage curve under sunlight.
Specific embodiment：
The present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1,
With tetrabutyl titanate for titanium source presoma, concentrated hydrochloric acid is etching agent, and strontium hydroxide solution passes through hydro-thermal method for barium source
Prepare strontium titanates-titanium dioxide composite nano tube array film, operating procedure is as follows：
(1), by concentration be 36.5% hydrochloric acid and deionized water respectively according to volume ratio be 1:6,1:4,1:2,1:1,2：
Isosorbide-5-Nitrae:The mixed solution of 1,6: 1 proportions 30mL, after magnetic stirrer 5min, is just being added thereto to 0.6mL metatitanic acid
Butyl ester, after stirring 15min, obtains transparent settled solution, as reactant liquor, stand-by；
(2), take a piece of FTO (fluorine doped tin oxide) electro-conductive glass, tilt to put in autoclave, conduction faces down, will
Reactant liquor is poured in autoclave, puts into 150 DEG C of hydro-thermal reactions 4h in baking oven, after question response finishes, autoclave is taken
Go out, naturally cool to room temperature, take out FTO electro-conductive glass, deionized water is rinsed well, stand-by after being dried；
(3), by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water mix and blend 5min under room temperature, it is that reactant liquor is treated
With, take a length of a film to have titanic oxide nanorod array FTO electro-conductive glass, tilt to put in autoclave, conduction faces down, will
Reactant liquor is poured in autoclave, places into baking oven for heating, 150 DEG C of hydro-thermal reactions 2.5h, after question response finishes, high pressure is anti-
Answer kettle to take out, naturally cool to room temperature, take out FTO electro-conductive glass, deionized water is rinsed well, stand-by after being dried；
(4), measuring 30mL concentration is 10-5The Strontium hydrate. settled solution of mol/L, then with sodium hydroxide or hydrogen-oxygen
Change potassium solution to adjust pH value is 12, gives over to reactant liquor, stand-by；
(5), length there is the FTO glass of titanium dioxide nano-pipe array thin film, with titanium dioxide nano-pipe array thin film face
Downward-sloping put in autoclave, pour above-mentioned reactant liquor into, put in baking oven 150 DEG C and react 12 hours, after completion of the reaction,
Autoclave is taken out, naturally cools to room temperature, take out electro-conductive glass, and deionized water cyclic washing is no anti-to its surface
Answer thing to remain, spontaneously dry under room temperature；
(6), length there is is strontium titanates-titanium dioxide composite nano tube array film FTO electro-conductive glass piece to be transferred in porcelain boat
And porcelain boat is put into carry out calcination processing in high temperature furnace 3 hours, calcining heat is 450 DEG C；
(7) after, reaction terminates, cool to room temperature with the furnace, take out porcelain boat, obtain in reaction substrate during first step hydro-thermal reaction
Strontium titanates-titanium dioxide composite nano tube array film that concentrated hydrochloric acid is prepared with deionized water different proportion, and keep in Dark Place.
Strontium titanates-titanium dioxide composite nano tube array film titanium dioxide nano-rod, titanium dioxide in building-up process
Nanotube, strontium titanates-titanium dioxide composite Nano tubular construction as shown in figure 1, in Fig. 1 A be bar-shaped titanium dioxide nano-rod, figure
In 1, B is the titania nanotube of the tubular structure that titanium dioxide nano-rod obtains after concentrated hydrochloric acid etching, and in Fig. 1, C is to add
Strontium titanates-titanium dioxide the composite nano tube obtaining after strontium hydroxide solution reaction.Wherein, 1 is FTO electro-conductive glass, and 2 is metatitanic acid
Strontium nanoparticle.Represent etching process from A to B arrow, represent the course of reaction after adding strontium hydroxide solution from B to C arrow.
Strontium titanates-titanium dioxide composite nano tube array film scanning electron microscopic picture such as Fig. 2 institute that the inventive method is obtained
Show.
Strontium titanates-titanium dioxide composite nano tube aligns in high-sequential, bore average-size be 40～
100nm, pipe range is 1～2 μm, and strontium titanates nanoparticle is evenly distributed on the surface of nanotube, and crystalline phase is Ca-Ti ore type, size
For 1～100nm.Titanium dioxide in strontium titanates-titanium dioxide composite nano tube array film belongs to rutile-type.
Embodiment 2,
(1), by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water magnetic stirrer 5min, distinguish thereto
Add 0.1mL, the tetrabutyl titanate of 0.2mL, 0.4mL, 0.6mL, 0.8mL, 1.0mL, after stirring 15min, obtain transparent clarification
Solution, as reactant liquor, stand-by；
Step (2)～(6) are with embodiment 1；
(7) after, reaction terminates, cool to room temperature with the furnace, take out porcelain boat, obtain in reaction substrate during first step hydro-thermal reaction
Strontium titanates-titanium dioxide composite nano tube the array film of different tetrabutyl titanate usage amount preparations, and keep in Dark Place.
Embodiment 3,
(1), by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water magnetic stirrer 5min, it is added thereto to
0.6mL tetrabutyl titanate, after stirring 15min, obtains transparent settled solution, as reactant liquor, stand-by；
(2), take a piece of FTO electro-conductive glass, tilt to put in autoclave, conduction faces down, and reactant liquor is all turned
Enter in autoclave, put into respectively at 80 DEG C, 120 DEG C, 150 DEG C, 180 DEG C, 210 DEG C in baking oven, hydro-thermal reaction 4 at 240 DEG C
Hour, after question response finishes, autoclave is taken out, naturally cool to room temperature, take out FTO electro-conductive glass, deionized water
Rinse well, dry stand-by；
Step (3)～(6) are with embodiment 1；
(7) after, reaction terminates, cool to room temperature with the furnace, take out porcelain boat, obtain differential responses temperature during first step hydro-thermal reaction
Strontium titanates-titanium dioxide composite nano tube the array film of preparation under the conditions of degree, and keep in Dark Place.
Embodiment 4,
(1), by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water magnetic stirrer 5min, it is added thereto to
0.6mL tetrabutyl titanate, after stirring 15min, obtains transparent settled solution, as reactant liquor, stand-by；
(2), take a piece of FTO electro-conductive glass, tilt to put in autoclave, conduction faces down, and reactant liquor is all turned
Enter in autoclave, put in baking oven in 150 DEG C of hydro-thermal reactions 1～12 hour, after question response finishes, autoclave is taken
Go out, naturally cool to room temperature, take out FTO electro-conductive glass, deionized water is rinsed well, dry stand-by；
Step (3)～(6) are with embodiment 1；
(7) after, reaction terminates, cool to room temperature with the furnace, take out porcelain boat, when obtaining differential responses during first step hydro-thermal reaction
Between under the conditions of preparation strontium titanates-titanium dioxide composite nano tube array film, and keep in Dark Place.
Embodiment 5,
(1), by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water magnetic stirrer 5min, it is added thereto to
0.6mL tetrabutyl titanate, after stirring 15min, obtains transparent settled solution, as reactant liquor, stand-by；
(2), take a piece of FTO electro-conductive glass, tilt to put in autoclave, conduction faces down, and reactant liquor is poured into height
In pressure reactor, put into 150 DEG C of hydro-thermal reactions 4h in baking oven, after question response finishes, autoclave is taken out, naturally cool to
Room temperature, takes out FTO electro-conductive glass, and deionized water is rinsed well, stand-by after being dried；
(3), 36.5% concentrated hydrochloric acid and deionized water be 1: 6,1: 4,1: 2,1: 1,2 according to volume ratio respectively：Isosorbide-5-Nitrae: 1,6
: the mixed solution of 1 proportions 30mL, as reactant liquor after magnetic stirrer 5min, stand-by, take a length of a film to have dioxy
Change titanium nanometer stick array FTO electro-conductive glass, tilt to put in autoclave, conduction faces down, and reactant liquor is poured into high pressure anti-
Answer in kettle, place into baking oven for heating, 150 DEG C of hydro-thermal reactions 2.5 hours, after question response finishes, autoclave is taken out, natural
It is cooled to room temperature, takes out FTO electro-conductive glass, deionized water is rinsed well, dry stand-by；
(4), measuring 30mL concentration is 10-5The Strontium hydrate. settled solution of mol/L, then with sodium hydroxide or hydrogen-oxygen
Change potassium solution to adjust pH value is 12, gives over to reactant liquor, stand-by；
(5), length there is the FTO glass of titanium dioxide nano-pipe array thin film, with titanium dioxide nano-pipe array thin film face
Downward-sloping put in autoclave, pour above-mentioned reactant liquor into, put in baking oven 150 DEG C and react 12 hours, after completion of the reaction,
Autoclave is taken out, naturally cools to room temperature, take out electro-conductive glass, and deionized water cyclic washing is no anti-to its surface
Answer thing to remain, spontaneously dry under room temperature；
(6), length there is is strontium titanates-titanium dioxide composite nano tube array film FTO electro-conductive glass piece to be transferred in porcelain boat
And porcelain boat is put into carry out calcination processing in high temperature furnace 3 hours, calcining heat is 450 DEG C；
(7) after, reaction terminates, cool to room temperature with the furnace, take out porcelain boat, obtain in reaction substrate during second step hydro-thermal reaction
Strontium titanates-titanium dioxide composite nano tube array film that concentrated hydrochloric acid is prepared with deionized water different proportion, and keep in Dark Place.
Embodiment 6,
(1), by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water magnetic stirrer 5min, it is added thereto to
0.6mL tetrabutyl titanate, after stirring 15min, obtains transparent settled solution, as reactant liquor, stand-by；
(2), take a piece of FTO electro-conductive glass, tilt to put in autoclave, conduction faces down, and reactant liquor is poured into height
In pressure reactor, put into 150 DEG C of hydro-thermal reactions 4h in baking oven, after question response finishes, autoclave is taken out, naturally cool to
Room temperature, takes out FTO electro-conductive glass, and deionized water is rinsed well, stand-by after being dried；
(3) by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water mix and blend 5min, as reactant liquor, stand-by；Take
One length of a film has titanic oxide nanorod array FTO electro-conductive glass, tilts to put in autoclave, conduction faces down, and will react
Liquid is poured in autoclave, places into baking oven for heating, respectively at 80 DEG C, 120 DEG C, and 150 DEG C, 180 DEG C, 210 DEG C, at 240 DEG C
Hydro-thermal reaction 2.5 hours, after question response finishes, autoclave is taken out, and naturally cools to room temperature, takes out FTO electro-conductive glass,
Deionized water is rinsed well, dries stand-by；
Step (4)～(6) are with embodiment 1；
(7) after, reaction terminates, cool to room temperature with the furnace, take out porcelain boat, obtain different temperatures bar during second step hydro-thermal reaction
Strontium titanates-titanium dioxide composite nano tube the array film of preparation under part, and keep in Dark Place.
Embodiment 7,
(1), by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water magnetic stirrer 5min, it is added thereto to
0.6mL tetrabutyl titanate, after stirring 15min, obtains transparent settled solution, as reactant liquor, stand-by；
(2), take a piece of FTO electro-conductive glass, tilt to put in autoclave, conduction faces down, and reactant liquor is poured into height
In pressure reactor, put into 150 DEG C of hydro-thermal reactions 4h in baking oven, after question response finishes, autoclave is taken out, naturally cool to
Room temperature, takes out FTO electro-conductive glass, and deionized water is rinsed well, stand-by after being dried；
(3) by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water mix and blend 5min, as reactant liquor, stand-by；Take
One length of a film has titanic oxide nanorod array FTO electro-conductive glass, tilts to put in autoclave, conduction faces down, and will react
Liquid is poured in autoclave, places into baking oven for heating, and 150 DEG C of hydro-thermal reactions 0.5～12 hour, after question response finishes, by height
Pressure reactor takes out, and naturally cools to room temperature, takes out FTO electro-conductive glass, and deionized water is rinsed well, dries stand-by；
Step (4)～(6) are with embodiment 1；
(7) after, reaction terminates, cool to room temperature with the furnace, take out porcelain boat, obtain different time bar during second step hydro-thermal reaction
Strontium titanates-titanium dioxide composite nano tube the array film of preparation under part, and keep in Dark Place.
Embodiment 8,
(1), by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water magnetic stirrer 5min, it is added thereto to
0.6mL tetrabutyl titanate, after stirring 15min, obtains transparent settled solution, as reactant liquor, stand-by；
Step (2)～(4) are with embodiment 1；
(5), length there is the FTO glass of titanium dioxide nano-pipe array thin film, with titanium dioxide nano-pipe array thin film face
Downward-sloping put in autoclave, pour the reactant liquor in step (4) into, put into respectively at 100 DEG C, 120 DEG C in baking oven,
140 DEG C, 160 DEG C, 180 DEG C, 200 DEG C, 220 DEG C, 240 DEG C are heated 12 hours, after completion of the reaction, autoclave are taken out, from
So it is cooled to room temperature, takes out electro-conductive glass, and deionized water cyclic washing remains to the reactionless thing in its surface, natural under room temperature
It is dried；
(6), length there is is strontium titanates-titanium dioxide composite nano tube array film FTO electro-conductive glass piece to be transferred in porcelain boat
And porcelain boat is put into carry out calcination processing in high temperature furnace 3 hours, calcining heat is 450 DEG C；
(7) after, reaction terminates, cool to room temperature with the furnace, take out porcelain boat, obtain differential responses temperature during the 3rd step hydro-thermal reaction
Strontium titanates-titanium dioxide composite nano tube the array film of preparation under the conditions of degree, and keep in Dark Place.
Embodiment 9,
(1), by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water magnetic stirrer 5min, it is added thereto to
0.6mL tetrabutyl titanate, after stirring 15min, obtains transparent settled solution, as reactant liquor, stand-by；
Step (2)～(4) are with embodiment 1；
(5), length there is the FTO glass of titanium dioxide nano-pipe array thin film, with titanium dioxide nano-pipe array thin film face
Downward-sloping put in autoclave, pour the reactant liquor in step (4) into, put in baking oven 150 DEG C of heating 1-24 hours, instead
After should finishing, autoclave is taken out, naturally cool to room temperature, take out electro-conductive glass, and deionized water cyclic washing is extremely
Its surface reactionless thing residual, spontaneously dries under room temperature；
(6), length there is is strontium titanates-titanium dioxide composite nano tube array film FTO electro-conductive glass piece to be transferred in porcelain boat
And porcelain boat is put into carry out calcination processing in high temperature furnace 3 hours, calcining heat is 450 DEG C；
(7) after, reaction terminates, cool to room temperature with the furnace, take out porcelain boat, when obtaining differential responses during the 3rd step hydro-thermal reaction
Between under the conditions of preparation strontium titanates-titanium dioxide composite nano tube array film, and keep in Dark Place.
Embodiment 10,
(1), by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water magnetic stirrer 5min, it is added thereto to
0.6mL tetrabutyl titanate, after stirring 15min, obtains transparent settled solution, as reactant liquor, stand-by；
Step (2)～(3) are with embodiment 1；
(4), measure the Strontium hydrate. (10 of 30mL variable concentrations respectively-2-10-7Mol/L) settled solution, then uses hydrogen-oxygen
Change sodium or potassium hydroxide solution adjusts pH value for 12, give over to reactant liquor, stand-by；
Step (5)～(6) are with embodiment 1；
(7), after, reaction terminates, it is cooled to room temperature, obtains the hydrogen of variable concentrations in reaction substrate during the 3rd step hydro-thermal reaction
Strontium titanates-titanium dioxide composite nano tube the array film of strontium oxide solution preparation, and keep in Dark Place.
Embodiment 11,
(1), by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water magnetic stirrer 5min, it is added thereto to
0.6mL tetrabutyl titanate, after stirring 15min, obtains transparent settled solution, as reactant liquor, stand-by；
Step (2)～(3) are with embodiment 1；
(4), measuring concentration in 30mL above-mentioned steps is 10-5The Strontium hydrate. settled solution of mol/L, then uses hydroxide
Sodium or potassium hydroxide solution adjust this solution ph and are respectively 8,9,10,11,12,13,14, stand-by；
Step (5)～(6) are with embodiment 1；
(7) after, reaction terminates, cool to room temperature with the furnace, take out porcelain boat, obtain in reaction substrate during the 3rd step hydro-thermal reaction
Strontium titanates-titanium dioxide composite nano tube the array film of preparation under different pH values, and keep in Dark Place.
Embodiment 12,
(1), by after 15mL 36.5% concentrated hydrochloric acid and 15mL deionized water magnetic stirrer 5min, it is added thereto to
0.6mL tetrabutyl titanate, after stirring 15min, obtains transparent settled solution, as reactant liquor, stand-by；
Step (2)～(5) are with embodiment 1；
(6), length there is is strontium titanates-titanium dioxide composite nano tube array film FTO electro-conductive glass to be transferred to porcelain boat and incite somebody to action
Porcelain boat is put in Muffle furnace, respectively at 300 DEG C, 350 DEG C, 400 DEG C, 450 DEG C, 500 DEG C, 550 DEG C, calcines 3 hours at 600 DEG C；
(7) after, reaction terminates, cool to room temperature with the furnace, take out porcelain boat, obtain the titanium of preparation under the conditions of different calcining heats
Sour strontium-titanium dioxide composite nano tube array film, and keep in Dark Place.
Embodiment 13,
The present invention also provides the purposes of the strontium titanates-titanium dioxide composite nano tube array film of above-mentioned preparation, as dye
Material sensitization solar battery anode material, has photoelectric current to produce under the irradiation of analog light source.Light source is 100mW/cm for intensity2
Xenon lamp (150W, Newport 96000), wherein length has the FTO of strontium titanates-titanium dioxide composite nano tube array film conductive
Glass is working electrode, and platinum plating FTO electro-conductive glass is made to electrode, using CsSnI2.95F0.05Make solid electrolyte, dyestuff is
N719, tests under room temperature.Incident illumination is perpendicular to light anode, illuminating area 0.50cm2, current -voltage curve test is in electrification
Learn and carry out on work station (Shanghai Chen Hua instrument company, CHI760D).
Using the strontium titanates-titanium dioxide composite nano tube array film of embodiment 10 preparation as solar battery anode material
Material, investigates under solar simulating radiation illumination, and in the 3rd step hydro-thermal reaction, different Strontium hydrate. concentration prepare strontium titanates-dioxy
Change the photocurrent response situation of titanium composite nano tube array film.As shown in Figure 3, synthesize under different Strontium hydrate. concentration should
Laminated film has photocurrent response, illustrates that this laminated film has the characteristic that luminous energy converts to electric energy.Molten with Strontium hydrate.
The continuous improvement of liquid concentration, density of photocurrent has the trend that first change is big, diminish again.
Claims (4)
1. a kind of strontium titanates-titanium dioxide composite nano tube array film is it is characterised in that strontium titanates-titanium dioxide composite Nano
Pipe aligns in high-sequential, and bore average-size is 40～100nm, and pipe range is 1～2 μm, and strontium titanates nanoparticle is equal
The even surface being distributed in nanotube, crystalline phase is Ca-Ti ore type, a size of 1～100nm.
2. a kind of strontium titanates according to claim-titanium dioxide composite nano tube array film is it is characterised in that described
Titanium dioxide in strontium titanates-titanium dioxide composite nano tube array film belongs to rutile-type.
3. a kind of preparation method of strontium titanates-titanium dioxide composite nano tube array film is it is characterised in that adopt three step hydro-thermals
Method direct growth in electro-conductive glass substrate is obtained, and operates in accordance with the following steps：The first step, by deionized water and concentration under room temperature
Hydrochloric acid for 36%-38% is 1 according to volume ratio:Take 30mL after 6-6: 1 mix homogeneously, add 0.1-1mL titanium source presoma, stir
Mix uniform transparent settled solution, pour in the reactor of electro-conductive glass piece being placed with inclination, the conduction of electro-conductive glass faces down,
Put into and in baking oven, carry out hydro-thermal reaction, heating-up temperature is 80～240 DEG C, heat time heating time is 1～12 hour, after question response finishes,
Reactor is taken out, naturally cools to room temperature, take out electro-conductive glass, deionized water is rinsed well, stand-by after being dried；Described titanium
Source presoma be one of titanium tetrachloride, tetrabutyl titanate, titanium tetraisopropylate, two or three, liquid phase；Second step, will walk
The electro-conductive glass piece that rapid one length being obtained has titanium dioxide nanorod array film tilts to put in reactor, and conduction faces down,
The hydrochloric acid being 36%-38% by deionized water with concentration under room temperature takes 30mL after mixing homogeneously for 1: 6～6: 1 according to volume ratio,
Pour reactor into, place into baking oven for heating, carry out hydro-thermal reaction, heating-up temperature is 80～240 DEG C, heat time heating time is 0.5～12
Hour, after question response finishes, reactor is taken out, naturally cool to room temperature, take out electro-conductive glass, deionized water is rinsed dry
Only, stand-by after being dried；3rd step, the length that step 2 is obtained has the electro-conductive glass piece of titanium dioxide nano-pipe array thin film with two
The titania nanotube array film inclination that faces down is put in reactor, then 30mL10-7～10-2The Strontium hydrate. of mol/L is molten
Liquid is put in reactor, adjustment pH value range be 8-14, place into baking oven for heating, carry out hydro-thermal reaction, heating-up temperature be 100～
240 DEG C, heat time heating time is 1～24 hour, after completion of the reaction, reactor is taken out, and naturally cools to room temperature, takes out conductive glass
Glass, and deionized water cyclic washing to the reactionless thing in its surface remain, under room temperature spontaneously dry；4th step, by step 3 system
The electro-conductive glass piece that the length obtaining has strontium titanates-titanium dioxide composite nano tube array film is transferred in porcelain boat and puts into porcelain boat
Carry out calcination processing, calcining heat is 300～600 DEG C, the time is 1～12 hour in high temperature furnace；5th step, question response completes
Afterwards, cool to room temperature with the furnace, take out porcelain boat, the titanium dioxide that obtaining surface has the load of Ca-Ti ore type metatitanic acid strontium nano-particle is combined
Nano-pipe array thin film.
4. a kind of application of strontium titanates-titanium dioxide composite nano tube array film is it is characterised in that in solar simulating radiation light
According to the degraded of lower decolorization of dye effluent, the assembling of solaode can be carried out as anode material, or use as photocatalyst
Photocatalytic degradation in photolysis water hydrogen and organic pollution.
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| CN107892326A (en) * | 2017-10-10 | 2018-04-10 | 浙江理工大学 | Rutile Type TiO2The preparation method and product of nano-rod assembly |
| CN108840579A (en) * | 2018-08-02 | 2018-11-20 | 合肥工业大学 | A kind of superfine Ti O2Nano crystal array and preparation method thereof |
| CN110706933A (en) * | 2019-11-11 | 2020-01-17 | 厦门大学 | Preparation method of titanium dioxide nanorod composite photoanode |
| CN113684679A (en) * | 2021-07-29 | 2021-11-23 | 周俊宏 | Preparation method and application of carbon fiber-based nano composite material |
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| CN107860923A (en) * | 2017-11-01 | 2018-03-30 | 济南大学 | A kind of construction method for detecting the photic electrochemical immunosensor of double tumor markerses |
| CN108840579A (en) * | 2018-08-02 | 2018-11-20 | 合肥工业大学 | A kind of superfine Ti O2Nano crystal array and preparation method thereof |
| CN110706933A (en) * | 2019-11-11 | 2020-01-17 | 厦门大学 | Preparation method of titanium dioxide nanorod composite photoanode |
| CN113684679A (en) * | 2021-07-29 | 2021-11-23 | 周俊宏 | Preparation method and application of carbon fiber-based nano composite material |
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