CN106391010A - Ag/BaTiO3 nanotube array heterogeneous photocatalysis structure and preparation method thereof - Google Patents
Ag/BaTiO3 nanotube array heterogeneous photocatalysis structure and preparation method thereof Download PDFInfo
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- CN106391010A CN106391010A CN201610847532.8A CN201610847532A CN106391010A CN 106391010 A CN106391010 A CN 106391010A CN 201610847532 A CN201610847532 A CN 201610847532A CN 106391010 A CN106391010 A CN 106391010A
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- 239000002071 nanotube Substances 0.000 title claims abstract description 34
- 229910002113 barium titanate Inorganic materials 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000007146 photocatalysis Methods 0.000 title abstract description 9
- 230000001699 photocatalysis Effects 0.000 title abstract description 9
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910001961 silver nitrate Inorganic materials 0.000 claims abstract description 17
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 35
- 238000009415 formwork Methods 0.000 claims description 25
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 claims description 18
- VKJLWXGJGDEGSO-UHFFFAOYSA-N barium(2+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Ti+4].[Ba+2] VKJLWXGJGDEGSO-UHFFFAOYSA-N 0.000 claims description 18
- 230000002146 bilateral effect Effects 0.000 claims description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000011941 photocatalyst Substances 0.000 claims description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- 238000012512 characterization method Methods 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 10
- 238000013019 agitation Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 239000000376 reactant Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 239000002800 charge carrier Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005215 recombination Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000003381 stabilizer Substances 0.000 abstract description 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 230000006798 recombination Effects 0.000 abstract 1
- 238000000935 solvent evaporation Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 7
- 229910052788 barium Inorganic materials 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 238000001675 atomic spectrum Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007210 heterogeneous catalysis Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/66—Silver or gold
-
- 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
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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 Ag/BaTiO3 nanotube array heterogeneous photocatalysis structure and a preparation method thereof. The method comprises the steps that dual-pass porous anodized aluminum is adopted as a template, silver nitrate is adopted as a stabilizer of Ti(OC4H9)4, and a barium titanate nanotube array is prepared; a solvent evaporation method is adopted for loading silver nanoparticles on the surface of the barium titanate nanotube array. The barium titanate nanotube array structure is adopted, a charge carrier dispersion path is lengthened, and light induced electron-hole recombination are reduced; meanwhile, by means of the unique surface plasma resonance effect and good electrical conductivity of the Ag nanometer material, the Ag/BaTiO3 nanotube array heterogeneous photocatalysis material is constructed, and the light induced electron-hole separation efficiency is improved.
Description
Technical field
The present invention relates to a kind of Ag/BaTiO3Heterogeneous photocatalyst structure of nano-tube array and preparation method thereof, belongs to nanometer
Technical field of material and photocatalysis technology field.
Background technology
Barium metatitanate. is a kind of typical Ferroelectrics, BaTiO for many years3Applied research focus primarily upon transducing
The fields such as device, sensing element and capacitor.Preparation to nm-class barium titanate material is predominantly nanocrystalline, and in addition also Barium metatitanate. is received
Rice rod, thin film etc..In recent years it has been found that BaTiO3It is also a class photocatalyst as perofskite type oxide, in ultraviolet light
Or equally can produce light induced electron and photohole under radiation of visible light, this makes it before photocatalysis field has a wide range of applications
Scape, Barium metatitanate. proposes new requirement in the application of photocatalysis field to its pattern.Nano-tube array structure can make electric charge carry
Flow sub- the evolving path to be elongated, overcome conventional metal oxides light induced electron and hole easily occurs compound shortcoming.Anodic oxygen
Changing aluminum alloy pattern plate method is to prepare the common method of nano-tube array, but this method is subject to the confinement of template to act on, and ion is in mould
Board channel internal diffusion speed is slow, path length, and the response time is long, and the response time is long to be easily caused template deformation, fracture, reactant
Hydrolyze.
Content of the invention
The invention aims to overcoming the deficiencies in the prior art, a kind of Ag/BaTiO is proposed3Nano-tube array is heterogeneous
Photocatalyst structure and preparation method thereof, to promoting, Barium metatitanate. is significant in the application of photocatalysis field.
Realizing the technical solution that the object of the invention adopted is:A kind of Ag/BaTiO3The heterogeneous light of nano-tube array is urged
Change structure and preparation method thereof, its step is:
A, by anodic oxidation aluminium formwork 5wt% phosphoric acid dip, removes the fine and close alumina barrier layer in bottom, obtains bilateral
Porous alumina formwork;Bilateral porous alumina formwork is inserted vertically into reactor central authorities and fixes, so that template will be reacted
Device is isolated into equal two parts and forms two-way reaction device it is ensured that the reactant of both sides only passes through bilateral porous alumina formwork phase
Counterdiffusion;Add Ti (OC in the side of two-compartment reactor4H9)4And silver nitrate solution;Two-compartment reactor opposite side add with
Ti(OC4H9)4Isoconcentration, isopyknic barium nitrate solution, the pH value of both sides solution all controls in 4-6;Stand 4-10 in atmosphere
Hour;Take out template, by clean for surface wipes and drying under infrared lamp, then with 5 DEG C of intensifications per minute in Muffle furnace
Ramp is incubated 1 hour to 750 DEG C, is made annealing treatment.Remove unnecessary anode in product with the NaOH solution of 2mol/L
Characterization of Barium Titanate Nanotubes array is obtained after alumina formwork (AAO template);
Characterization of Barium Titanate Nanotubes array powder prepared by step a is dissolved in deionized water by b, and ultrasonic agitation 30min forms concentration
Barium metatitanate. suspension for 0.5g/L-2g/L;
Barium metatitanate. suspension is mixed by c with silver nitrate solution, 1 hour post-heating of ultrasonic agitation to moisture evaporating completely, and
At 450 DEG C, calcining obtains Ag/BaTiO3The heterogeneous photocatalyst structure of nano-tube array.
Wherein, the aperture of the anodic oxidation aluminium formwork described in step a is 50-200nm, described Ti (OC4H9)4And nitric acid
The concentration of barium solution is 0.01M, silver nitrate solution and Ti (OC4H9)4The mol ratio of solution is 1:10;
Silver nitrate described in step c is (0.1-1) with the mol ratio of Barium metatitanate.:100.
The present invention compared with prior art has the advantage that:The present invention with the ordered porous alumina of bilateral as template,
Bilateral porous alumina formwork is inserted vertically into reactor central authorities and fixes, make template that reactor is isolated into equal two
Divide and form two-way reaction device it is ensured that the reactant of both sides only passes through bilateral porous alumina formwork phase counterdiffusion;In dual chamber reaction
Device both sides each lead into Ti (OC4H9)4And barium nitrate, achieve mutual expansion in template duct for the ion in the short period of time
Dissipate it is therefore prevented that alumina formwork caves in, ruptures.Using silver nitrate as stabilizer, add Ti (OC4H9)4Solution, delay gelating
Time, obtain colloidal sol steady in a long-term it is ensured that reaction terminates front Ti (OC4H9)4Presented in colloidal sol, do not flocculate, not water
Solution.
In addition, the present invention considers Ti (OC4H9)4Hold with the difference of viscosity in aqueous medium for the barium nitrate and diffusion rate
Easily make product nonstoichiometry ratio, adopt concentration offsets method first, add Ti (OC4H9)4While add silver nitrate molten
Liquid, controls final product to realize preferable stoichiometric proportion it is achieved that multiple cation is equal in duct in same time
Even diffusion, thus ensure that the microstructure of product, electric property and photocatalysis characteristic.
The Characterization of Barium Titanate Nanotubes array structure of present invention preparation can elongate the evolving path of electric charge carrier, reduces photoproduction
Electronics and hole-recombination;Simultaneously present invention utilizes the unique surface plasma resonance effect that has of Ag nano material and
Good electric conductivity, builds Ag/BaTiO3The heterogeneous catalysis material of nano-tube array, improves the separation of photo-generate electron-hole
Efficiency.
Specific embodiment
The present invention is described in further detail with reference to embodiment:
Embodiment 1:
By the aperture 5wt% phosphoric acid dip of the anodic oxidation aluminium formwork for 50nm, remove the fine and close aluminium oxide barrier in bottom
Layer, obtains the porous alumina formwork of bilateral;Bilateral porous alumina formwork is inserted vertically into reactor central authorities and fixes, make
Reactor is isolated into equal two parts and forms two-way reaction device by template;Add the Ti of 0.01M in the side of two-compartment reactor
(OC4H9)4Silver nitrate solution with 0.001M;Add 0.01M and Ti (OC in the opposite side of two-compartment reactor4H9)4Isopyknic
Barium nitrate solution, the pH value of both sides solution all controls in 4-6;Stand 4-10 hour in atmosphere;Take out template, by surface wipes
Dry totally and under infrared lamp, then in Muffle furnace, rise to 750 DEG C of temperature with 5 DEG C of heating rates per minute and be incubated 1 hour,
Made annealing treatment.Removed with the NaOH solution of 2mol/L and after unnecessary AAO template in product, obtain Characterization of Barium Titanate Nanotubes array;Institute
The Characterization of Barium Titanate Nanotubes array powder of preparation is dissolved in deionized water, and ultrasonic agitation 30min forms the Barium metatitanate. that concentration is 1.0g/L
Suspension;According to Ag and BaTiO3Mol ratio be 0.1:100 ratio, Barium metatitanate. suspension is mixed with silver nitrate solution,
1 hour post-heating of ultrasonic agitation is to moisture evaporating completely, and calcining obtains Ag/BaTiO at 450 DEG C3Nano-tube array is heterogeneous
Photocatalyst structure.
Embodiment 2:
By the aperture 5wt% phosphoric acid dip of the anodic oxidation aluminium formwork for 50nm, remove the fine and close aluminium oxide barrier in bottom
Layer, obtains the porous alumina formwork of bilateral;Bilateral porous alumina formwork is inserted vertically into reactor central authorities and fixes, make
Reactor is isolated into equal two parts and forms two-way reaction device by template;Add the Ti of 0.01M in the side of two-compartment reactor
(OC4H9)4Silver nitrate solution with 0.001M;Add 0.01M and Ti (OC in the opposite side of two-compartment reactor4H9)4Isopyknic
Barium nitrate solution, the pH value of both sides solution all controls in 4-6;Stand 4-10 hour in atmosphere;Take out template, by surface wipes
Dry totally and under infrared lamp, then in Muffle furnace, be warming up to 750 DEG C with 5 DEG C of heating rates per minute and be incubated 1 hour,
Made annealing treatment.Removed with the NaOH solution of 2mol/L and after unnecessary AAO template in product, obtain Characterization of Barium Titanate Nanotubes array;Institute
The Characterization of Barium Titanate Nanotubes array powder of preparation is dissolved in deionized water, and ultrasonic agitation 30min forms the Barium metatitanate. that concentration is 1.0g/L
Suspension;According to Ag and BaTiO3Mol ratio be 0.5:100 ratio, Barium metatitanate. suspension is mixed with silver nitrate solution,
1 hour post-heating of ultrasonic agitation is to moisture evaporating completely, and calcining obtains Ag/BaTiO at 450 DEG C3Nano-tube array is heterogeneous
Photocatalyst structure.
Embodiment 3:
By the aperture 5wt% phosphoric acid dip of the anodic oxidation aluminium formwork for 50nm, remove the fine and close aluminium oxide barrier in bottom
Layer, obtains the porous alumina formwork of bilateral;Bilateral porous alumina formwork is inserted vertically into reactor central authorities and fixes, make
Reactor is isolated into equal two parts and forms two-way reaction device by template;Add the Ti of 0.01M in the side of two-compartment reactor
(OC4H9)4Silver nitrate solution with 0.001M;Add 0.01M and Ti (OC in the opposite side of two-compartment reactor4H9)4Isopyknic
Barium nitrate solution, the pH value of both sides solution all controls in 4-6;Stand 4-10 hour in atmosphere;Take out template, by surface wipes
Dry totally and under infrared lamp, then in Muffle furnace, be warming up to 750 DEG C with 5 DEG C of heating rates per minute and be incubated 1 hour,
Made annealing treatment.Removed with the NaOH solution of 2mol/L and after unnecessary AAO template in product, obtain Characterization of Barium Titanate Nanotubes array;Institute
The Characterization of Barium Titanate Nanotubes array powder of preparation is dissolved in deionized water, and ultrasonic agitation 30min forms the Barium metatitanate. that concentration is 1.0g/L
Suspension;According to Ag and BaTiO3Mol ratio be 1:100 ratio, Barium metatitanate. suspension is mixed with silver nitrate solution, surpasses
Sound stirs 1 hour post-heating to moisture evaporating completely, and calcining obtains Ag/BaTiO at 450 DEG C3The heterogeneous light of nano-tube array
Catalytic structure.
Comparative example 1:
By the aperture 5wt% phosphoric acid dip of the anodic oxidation aluminium formwork for 50nm, remove the fine and close aluminium oxide barrier in bottom
Layer, obtains the porous alumina formwork of bilateral;And bilateral porous alumina formwork is loaded in the middle of reactor, and fixing, will react
Device is isolated into two parts and forms two-compartment reactor;Add the Ti (OC of 0.01M in the side of two-compartment reactor4H9)4;Anti- in dual chamber
The opposite side answering device adds 0.01M and Ti (OC4H9)4Isopyknic barium nitrate solution, the pH value of both sides solution all controls in 4-6;
Stand 4-10 hour in atmosphere.Standing finds Ti (OC after 8 hours4H9)4Flocculent deposit occurs, remaining experimental procedure is with real
Apply example 1.The Ag/BaTiO that will obtain after calcining3The heterogeneous photocatalyst structure of nano-tube array adopts discharge plasma atomic spectrum
(ICP) measure atomic ratio, find that Ba, Ti mol ratio is more than 1, declaratives Ti4+There occurs hydrolysis, incomplete and barium ionss
React, make Barium metatitanate. deviate from stoichiometric proportion, Barium metatitanate. nonstoichiometry ratio will be to the microstructure of product, electricity
Learn performance and photocatalysis characteristic produces important impact.
Claims (4)
1. a kind of Ag/BaTiO3The preparation method of the heterogeneous photocatalyst structure of nano-tube array it is characterised in that:Described preparation method
Comprise the steps:
A, by the anodic oxidation aluminium formwork in 50-200nm aperture 5wt% phosphoric acid dip, removes the fine and close aluminium oxide barrier in bottom
Layer, obtains the porous alumina formwork of bilateral;Bilateral porous alumina formwork is inserted vertically into reactor central authorities and fixes, make
Reactor is isolated into equal two parts and forms two-way reaction device it is ensured that the reactant of both sides only passes through bilateral porous oxygen by template
Change aluminum alloy pattern plate phase counterdiffusion;Add silver nitrate solution and Ti (OC in the side of two-compartment reactor4H9)4Solution;In two-compartment reactor
Opposite side add with Ti (OC4H9)4Isoconcentration, isopyknic barium nitrate solution, the pH value of both sides solution all controls in 4-6;?
In the air stands;After taking out template, surface wipes are dried totally and under infrared lamp, then made annealing treatment;Use 2mol/L
NaOH solution remove after unnecessary alumina formwork in product to obtain Characterization of Barium Titanate Nanotubes array;
Characterization of Barium Titanate Nanotubes array powder prepared by step a is dissolved in deionized water by b, and ultrasonic agitation 30min forms concentration and is
The Barium metatitanate. suspension of 0.5g/L-2g/L;
Barium metatitanate. suspension is mixed by c with silver nitrate solution, 1 hour post-heating of ultrasonic agitation to moisture evaporating completely, and 450
At DEG C, calcining obtains Ag/BaTiO3The heterogeneous photocatalyst structure of nano-tube array.
2. Ag/BaTiO as claimed in claim 13The preparation method of the heterogeneous photocatalyst structure of nano-tube array it is characterised in that:
Silver nitrate solution described in step a and Ti (OC4H9)4The mol ratio of solution is 1:10, Ti (OC4H9)4Dense with barium nitrate solution
Spend for 0.01M.
3. Ag/BaTiO as claimed in claim 13The preparation method of the heterogeneous photocatalyst structure of nano-tube array it is characterised in that:
In the air time of repose described in step a is:4-10 hour, annealing condition is:With 5 DEG C of liters per minute in Muffle furnace
Warm ramp is incubated 1 hour to 750 DEG C.
4. Ag/BaTiO as claimed in claim 13The preparation method of the heterogeneous photocatalyst structure of nano-tube array it is characterised in that:
Silver nitrate described in step c is (0.1-1) with the mol ratio of Barium metatitanate.:100.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113713813A (en) * | 2021-08-31 | 2021-11-30 | 四川大学 | Ag NWs@BaTiO3Core-sheath composite piezoelectric photocatalytic material and preparation method and application thereof |
CN118059860A (en) * | 2024-04-07 | 2024-05-24 | 重庆市鲁渝矿业发展有限公司 | Preparation method and application of porous barium titanate composite material |
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CN1690257A (en) * | 2004-04-30 | 2005-11-02 | 中国科学技术大学 | La1-XPbXMnO3 compound ordered nano-line array and method for preparing same |
CN101279767A (en) * | 2008-04-28 | 2008-10-08 | 哈尔滨工业大学 | Preparation of lanthanide series rare-earth doped bismuth titanate nano-tube |
CN102251232A (en) * | 2011-07-18 | 2011-11-23 | 同济大学 | Method for preparing silver nanowire array in ordered porous alumina template |
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2016
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US20050036939A1 (en) * | 2003-08-11 | 2005-02-17 | Stanislaus Wong | Hydrothermal synthesis of perovskite nanotubes |
CN1690257A (en) * | 2004-04-30 | 2005-11-02 | 中国科学技术大学 | La1-XPbXMnO3 compound ordered nano-line array and method for preparing same |
CN101279767A (en) * | 2008-04-28 | 2008-10-08 | 哈尔滨工业大学 | Preparation of lanthanide series rare-earth doped bismuth titanate nano-tube |
CN102251232A (en) * | 2011-07-18 | 2011-11-23 | 同济大学 | Method for preparing silver nanowire array in ordered porous alumina template |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113713813A (en) * | 2021-08-31 | 2021-11-30 | 四川大学 | Ag NWs@BaTiO3Core-sheath composite piezoelectric photocatalytic material and preparation method and application thereof |
CN118059860A (en) * | 2024-04-07 | 2024-05-24 | 重庆市鲁渝矿业发展有限公司 | Preparation method and application of porous barium titanate composite material |
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