CN106423155A - Preparation method of clavate Au@TiO2 composite photocatalytic nanometer material - Google Patents
Preparation method of clavate Au@TiO2 composite photocatalytic nanometer material Download PDFInfo
- Publication number
- CN106423155A CN106423155A CN201610953564.6A CN201610953564A CN106423155A CN 106423155 A CN106423155 A CN 106423155A CN 201610953564 A CN201610953564 A CN 201610953564A CN 106423155 A CN106423155 A CN 106423155A
- Authority
- CN
- China
- Prior art keywords
- tio
- hours
- muffle furnace
- shaped
- bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 title claims abstract description 27
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 8
- 238000002360 preparation method Methods 0.000 title abstract description 6
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 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 abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000010931 gold Substances 0.000 claims description 35
- 238000006555 catalytic reaction Methods 0.000 claims description 22
- 238000001354 calcination Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- YYAPGCGSUOZSNQ-UHFFFAOYSA-K ethanol;trichlorogold Chemical compound CCO.Cl[Au](Cl)Cl YYAPGCGSUOZSNQ-UHFFFAOYSA-K 0.000 claims description 6
- FDWREHZXQUYJFJ-UHFFFAOYSA-M gold monochloride Chemical compound [Cl-].[Au+] FDWREHZXQUYJFJ-UHFFFAOYSA-M 0.000 claims description 4
- 238000007146 photocatalysis Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000002243 precursor Substances 0.000 abstract 2
- 235000019441 ethanol Nutrition 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 abstract 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 11
- 239000000243 solution Substances 0.000 description 9
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 6
- 229940043267 rhodamine b Drugs 0.000 description 6
- 238000010792 warming Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000003760 magnetic stirring Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 239000011258 core-shell material Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical group [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 229910004042 HAuCl4 Inorganic materials 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000005315 stained glass Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000002371 ultraviolet--visible spectrum Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- B01J23/48—Silver or gold
- B01J23/52—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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention belongs to the technical field of advanced material, and particularly relates to a preparation method of stick type Au@TiO2 composite photocatalytic nanometer material. The method comprises the following steps: step 1, mixing tetrabutyl titanate and furfuryl alcohol, and stirring uniformly, adding ethyl alcohol solution, stirring uniformly to obtain the precursor, step 2, adding the precursor prepared in step 1 into the muffle furnace for reaction to acquire the clavate Au@TiO2 composite photocatalytic nanometer material. The method is simple in preparation steps, simple in operation, mild in methodology and good in repetitiveness. The clavate structure of the Au@TiO2 has the advantage of large specific surface area, wide responsive spectral range, being able to effectively boost the transmission of photon excited electrons, thus promoting the photocatalytic activity of the material.
Description
Technical field
The invention belongs to inorganic advanced material technical field is and in particular to one kind prepares bar-shaped Au@TiO2Composite Nano light
The method of catalysis material.
Background technology
Rhodamine B has strong fluorescence in the solution, as cell fluorescence coloring agent, coloured glass, characteristic in laboratory
The industries such as fireworks and firecrackers, were once used as food additives, but experiment later proves that rhodamine B can be carcinogenic, did not allow now to use
Make food dyeing.But it is difficult to degraded and easy accumulation property, causes seriously to threaten to human health and environment, therefore for containing sieve
The process of the waste water of red bright B is particularly important.Conventional biodegrading process has chemical method, Physical and bioanalysis, wherein chemical method
In photocatalytic degradation method cost efficiency higher.And the TiO in catalysis material2Because it has cheap, easy acquisition, can give birth in a large number
Produce, the characteristic such as non-toxic and stable is widely used always;But, TiO2Big bandwidth (3.2eV) be it
Big drawback, needs wavelength to be shorter than exciting of 400nm, and this can cause the reduction of the efficiency of light energy utilization;And excite the weight of rear electric charge
The new limitation combining the catalytic action that also result in material.Therefore, it is to be transferred to visible region by band now concerning research,
Thus using the solar energy of this part, or strengthen the separation of electric charge by reducing electronics and recombining of hole.?
TiO2Area load noble metal such as Pt, Ag, Pd and Au can increase photocatalysis efficiency, for Au@TiO2Due to surface plasma
Effect, has very strong absorption in visible light part, thus the very high photocatalysis efficiency of performance.
Application for a patent for invention number provides a kind of titanium dioxide/gold core shell structure composite Nano for 201410359363.4
Grain and preparation method thereof, including:There is provided inner surface to modify the aqueous solution of the titanium dioxide hollow Nano particle of amino, then disperse
In aqueous solution of chloraurate, ultrasonic reaction after the stirring of first time lucifuge;Heating water bath, centrifugation after second lucifuge stirring,
Au@TiO is obtained after drying2Composite nanometer particle;By Au@TiO2Composite nanometer particle high annealing, obtains titanium dioxide/gold core
Shell structured composite nano particle.The preparation method process of the present invention is complicated.
Content of the invention
Not enough for prior art, the present invention provides one kind to prepare bar-shaped Au@TiO2Composite nano catalysis material
Method, it comprises the steps:
Step one, mixing tetrabutyl titanate and furfuryl alcohol, stir, and add gold chloride ethanol solution, are uniformly mixing to obtain
Presoma;
Step 2, step one is obtained presoma and puts into reaction in Muffle furnace, you can obtain bar-shaped Au@TiO2Composite Nano
Catalysis material, "@" expression is wrapped by.
Further, the concentration of gold chloride ethanol solution is 0.02g/mL.
Further, tetrabutyl titanate, furfuryl alcohol and gold chloride volumes of aqueous ethanol are than for 1:6:0.25~1:6:1.26.
Further, described presoma keeps 12 hours for 90-100 DEG C in Muffle furnace, and 400-450 DEG C keeps 3 hours,
Calcination 8-10 hour under the conditions of 500 DEG C.
Further, the heating rate of described Muffle furnace is 1 DEG C/min.
Preferably, described presoma keeps 12 hours for 90 DEG C in Muffle furnace, 400 DEG C and keep 3 hours, in 500 DEG C of bars
Calcination 8 hours under part.
Compared with prior art, the beneficial effects of the present invention is:Described preparation method step is simple, easy to operate, method
Gently, repeatable high;Au@TiO2The specific surface area of club shaped structure is big, photoresponse wide ranges, is effectively facilitated light induced electron and passes
Pass, thus strengthening its photocatalytic activity.
Brief description
Fig. 1 is bar-shaped Au@TiO of the present invention2The X-ray diffraction XRD of composite Nano catalysis material;
Fig. 2 is bar-shaped Au@TiO of the present invention2The SEM SEM figure of composite Nano catalysis material;
Fig. 3 is bar-shaped Au@TiO of the present invention2The transmission electron microscope TEM figure of composite Nano catalysis material;
Fig. 4 is bar-shaped Au@TiO of the present invention2The energy disperse spectroscopy EDS figure of composite Nano catalysis material;
Fig. 5 is bar-shaped Au@TiO of the present invention2Composite Nano catalysis material rhodamine B degradation reaction rate is illustrated
Figure;
Fig. 6 is TiO2SEM SEM figure;
Fig. 7 is TiO2Rhodamine B degradation reaction rate schematic diagram.
Specific embodiment
Illustrate below in conjunction with the accompanying drawings and the present invention is described in more detail:
One kind of the present invention prepares bar-shaped Au@TiO2The method of composite nano catalysis material, it includes walking as follows
Suddenly:
Step one, mixing tetrabutyl titanate and furfuryl alcohol, stir, and add gold chloride ethanol solution, are uniformly mixing to obtain
Presoma;
Step 2, step one is obtained presoma and puts into reaction in Muffle furnace, you can obtain bar-shaped Au@TiO2Composite Nano
Catalysis material, "@" expression is wrapped by.
Further, the concentration of gold chloride ethanol solution is 0.02g/mL.
Further, tetrabutyl titanate, furfuryl alcohol and gold chloride volumes of aqueous ethanol are than for 1:6:0.25~1:6:1.26.
Further, described presoma keeps 12 hours for 90-100 DEG C in Muffle furnace, and 400-450 DEG C keeps 3 hours,
Calcination 8-10 hour under the conditions of 500 DEG C.
Further, the heating rate of described Muffle furnace is 1 DEG C/min.
Further, described presoma keeps 12 hours for 90 DEG C in Muffle furnace, 400 DEG C and keep 3 hours, at 500 DEG C
Under the conditions of calcination 8 hours.
Bar-shaped Au@TiO of the present invention2Composite nano catalysis material reaction principle:Presoma is firstly because Ti
(IV) lewis acid reduction, furfuryl alcohol monomer gradually forms the furfuryl alcohol resin of intersection, and furfuryl alcohol resin comprises multiple functions
Property OH, furfuryl alcohol resin and OH pass through synergy in the course of the polymerization process, form furfuryl alcohol resin-metal ion compound, Au simultaneously3+
Electron reduction can be obtained from OH and become Au0, Au0Inlay in the bracket, Au TiO is formed by calcining2.
Au@TiO2The process of catalysis rhodamine B reaction is specific as follows:By Au@TiO2Catalyst is dispersed in 100mL and contains Luo Dan
In the bright B aqueous solution, it is stirred at room temperature.Record a UV-Vis spectrum every 5 minutes.Reaction terminate after, deionized water from
Heart washing catalyst.Catalyst reclaims and uses it for second catalytic reaction.This process is repeated 3 times.Above-mentioned Au@TiO2Catalysis
Agent quality is 0.01-0.1g, and the concentration of rhodamine B is 5-50mg/L.
Embodiment 1
5mL tetrabutyl titanate and 30mL furfuryl alcohol stir 0.5 hour on magnetic stirring apparatus, take 5.1mL concentration to be 0.02g/
The ethanol solution of mL gold chloride adds, and stirs 0.5 hour, gained predecessor is transferred in crucible, is placed in Muffle furnace, first with
1 DEG C/min heating rate is warming up to 90 DEG C of holdings 12 hours, then, then to be warming up to 400 DEG C under 1 DEG C/min heating rate and to protect
Hold 3 hours, finally calcination 12 hours under the conditions of 500 DEG C.Obtained product through XRD, after SEM, TEM and EDS etc. characterize, such as Fig. 1-
Shown in 5, it is defined as bar-shaped Au@TiO2Composite nano catalysis material, its diameter and length are:2.5μm、30μm.By Fig. 1
Shown, this bar-shaped Au@TiO2TiO in composite nano catalysis material2It is by substantial amounts of Anatase and small part rutile
Phase composition, Au can also be clearly seen;As shown in Fig. 2 SEM can find out the mesoporous top layer of this club shaped structure, i.e. hole with clearing
Footpath is between 2 to 50nm.TEM shows that club shaped structure has meso-hole structure to be formed further as shown in Figure 3;The transmission electricity of Fig. 3
Mirror can be seen that Au is to be evenly distributed in TiO2On;Fig. 4 has further confirmed that the atomic ratio of Au, Ti and O in this club shaped structure
Example, Au close with original solution:Ti:O ratio is 0.6:28.29:68.02.
Embodiment 2
5mL tetrabutyl titanate and 30mL furfuryl alcohol stir 0.5 hour on magnetic stirring apparatus, take 5.1mL concentration to be 0.02g/
mL HAuCl4·4H2The ethanol solution of O adds, and stirs 0.5 hour, gained predecessor is transferred in crucible, is placed in Muffle furnace
In, first it is warming up to 100 DEG C with 1 DEG C/min heating rate and keeps 12 hours, then, then be warming up to under 1 DEG C/min heating rate
450 DEG C and keep 3 hours, finally calcination 12 hours under the conditions of 500 DEG C.Obtained product is through XRD, SEM, TEM and EDS (in figure
Do not show) etc. characterize after, be defined as bar-shaped Au@TiO2Composite nano catalysis material.
Embodiment 3
5mL tetrabutyl titanate and 30mL furfuryl alcohol stir 0.5 hour on magnetic stirring apparatus, and the orange predecessor of gained is turned
Enter in crucible, be placed in Muffle furnace, be first warming up to 90 DEG C with 1 DEG C/min heating rate and keep 12 hours, then, then with 1 DEG C/
It is warming up to 400 DEG C under min heating rate and keep 3 hours, finally calcination 12 hours under the conditions of 500 DEG C.As shown in fig. 6, institute
Obtain product after the sign such as SEM, be defined as bar-shaped TiO2, described TiO2Diameter and length be:2.5μm、30μm.
Application examples 1
By the bar-shaped Au@TiO obtaining in embodiment 12Composite nano catalysis material and embodiment 3 obtain bar-shaped
TiO2Carry out being catalyzed rhodamine B reaction.As shown in figure 5, described bar-shaped Au@TiO2Composite nano catalysis material is in 25min
Afterwards Luo Ming pellet B is degraded to 0, as shown in fig. 7, and bar-shaped TiO2After 45min still by Luo Ming pellet B degraded not completely.
Last it should be noted that above example is only in order to illustrate technical scheme and unrestricted, although ginseng
According to preferred embodiment, the present invention is described in detail, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent, the objective without deviating from technical solution of the present invention and scope, it all should be covered
In the middle of scope of the presently claimed invention.
Claims (6)
1. one kind prepares bar-shaped Au@TiO2The method of composite Nano catalysis material, it comprises the steps:
Step one, mixing tetrabutyl titanate and furfuryl alcohol, stir, and add gold chloride ethanol solution, are uniformly mixing to obtain forerunner
Body;
Step 2, step one is obtained presoma and puts into reaction in Muffle furnace, that is, obtain bar-shaped Au TiO2Composite Nano photocatalysis
Material.
2. according to claim 1 methods described it is characterised in that the concentration of gold chloride ethanol solution is 0.02g/mL.
3. according to claim 1 methods described it is characterised in that tetrabutyl titanate, furfuryl alcohol and gold chloride volumes of aqueous ethanol ratio
For 1:6:0.25~1:6:1.26.
4. according to claim 1 methods described it is characterised in that the 90-100 DEG C of holding 12 in Muffle furnace of described presoma is little
When, 400-450 DEG C keeps 3 hours, calcination 8-10 hour under the conditions of 500 DEG C.
5. according to claim 1 methods described it is characterised in that the heating rate of described Muffle furnace is 1 DEG C/min.
6. according to claim 4 methods described it is characterised in that described presoma in Muffle furnace 90 DEG C keep 12 hours, 400
DEG C keep 3 hours, calcination 8 hours under the conditions of 500 DEG C.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610953564.6A CN106423155A (en) | 2016-11-03 | 2016-11-03 | Preparation method of clavate Au@TiO2 composite photocatalytic nanometer material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610953564.6A CN106423155A (en) | 2016-11-03 | 2016-11-03 | Preparation method of clavate Au@TiO2 composite photocatalytic nanometer material |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106423155A true CN106423155A (en) | 2017-02-22 |
Family
ID=58180961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610953564.6A Pending CN106423155A (en) | 2016-11-03 | 2016-11-03 | Preparation method of clavate Au@TiO2 composite photocatalytic nanometer material |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106423155A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000140643A (en) * | 1998-11-13 | 2000-05-23 | Dainippon Ink & Chem Inc | Fixing method of metal-based catalyst |
CN103316646A (en) * | 2013-06-21 | 2013-09-25 | 中国检验检疫科学研究院 | Porous metal oxide, and synthesis method and application thereof |
CN103764283A (en) * | 2011-09-06 | 2014-04-30 | 住友电木株式会社 | Resin-supported catalyst and method for producing resin-supported catalyst |
CN104497299A (en) * | 2014-11-20 | 2015-04-08 | 济南圣泉集团股份有限公司 | Method for preparing low dissociation furfuryl alcohol binder |
CN105854863A (en) * | 2016-04-14 | 2016-08-17 | 龙岩学院 | Method for preparing C/ZnO/TiO2 composite nano photocatalytic material |
-
2016
- 2016-11-03 CN CN201610953564.6A patent/CN106423155A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000140643A (en) * | 1998-11-13 | 2000-05-23 | Dainippon Ink & Chem Inc | Fixing method of metal-based catalyst |
CN103764283A (en) * | 2011-09-06 | 2014-04-30 | 住友电木株式会社 | Resin-supported catalyst and method for producing resin-supported catalyst |
CN103316646A (en) * | 2013-06-21 | 2013-09-25 | 中国检验检疫科学研究院 | Porous metal oxide, and synthesis method and application thereof |
CN104497299A (en) * | 2014-11-20 | 2015-04-08 | 济南圣泉集团股份有限公司 | Method for preparing low dissociation furfuryl alcohol binder |
CN105854863A (en) * | 2016-04-14 | 2016-08-17 | 龙岩学院 | Method for preparing C/ZnO/TiO2 composite nano photocatalytic material |
Non-Patent Citations (5)
Title |
---|
GUANGCHENG XI ET AL.: "General Synthesis of Hybrid TiO2 Mesoporous "French Fries" Toward Improved Photocatalytic Conversion of CO2 into Hydrocarbon Fuel: A Case of TiO2/ZnO", 《CHEM. EUR. J.》 * |
李晓倩等: "Au改性TiO2纳米粒子的制备及其光催化活性", 《哈尔滨工业大学学报》 * |
牛炳华: "糠醇树脂的生产和发展", 《适用技术》 * |
许长清等: "《合成树脂及塑料手册》", 30 November 1991, 化学工业出版社 * |
马伟: "《固水界面化学与吸附技术》", 31 October 2011, 冶金工业出版社 * |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Yao et al. | Microporous Ni-doped TiO2 film photocatalyst by plasma electrolytic oxidation | |
Mahmoud et al. | Photocatalytic degradation of methyl red dye | |
Ghows et al. | Exceptional catalytic efficiency in mineralization of the reactive textile azo dye (RB5) by a combination of ultrasound and core–shell nanoparticles (CdS/TiO2) | |
Mehta et al. | Enhanced photocatalytic water splitting by gold carbon dot core shell nanocatalyst under visible/sunlight | |
CN107988614B (en) | The preparation method of Grey Reduction type nano titania mixed crystal | |
CN101411995B (en) | Method for preparing AgBr/PANI/TiO2 nano composite material with visible light catalytic activity | |
CN106076392A (en) | A kind of titanium dioxide/g C3n4the preparation method of quantum dot composite catalyst | |
Zhang et al. | Cu (OH) 2-modified TiO2 nanotube arrays for efficient photocatalytic hydrogen production | |
CN105688899B (en) | The preparation method and purposes of a kind of Three-element composite photocatalyst | |
CN108745347A (en) | Pt atom carried titanium dioxide catalysis material and preparation method thereof | |
CN107321375A (en) | A kind of SiO2/ZnO/g‑C3N4Nano material and its application in reduction of hexavalent chromium | |
US20180243727A1 (en) | Hydrogen production using hybrid photonic-electronic materials | |
CN102500371A (en) | Visible light response photocatalysis material Ag@Ag3VO4 and preparation method thereof | |
CN101497038A (en) | Nano titanic oxide photocatalyst responding to visible light and preparation method thereof | |
CN101143712B (en) | Method for using solar energy decomposing water to prepare hydrogen nanometer electrode | |
CN103721700B (en) | A kind of high activity SnO 2-TiO 2the preparation method of composite photo-catalyst | |
CN101966450A (en) | High-efficiency composite photocatalyst and preparation method thereof | |
CN102600865B (en) | Photocatalyst for degrading organic dye waste water pollutants and preparation method thereof | |
Bian et al. | Magnetic field effect on the photocatalytic degradation of methyl orange by commercial TiO 2 powder | |
CN109678201A (en) | A kind of method of titanium dioxide surface modification | |
CN104923778B (en) | Silver/gold-titanium dioxide composite powder material of core-shell structure and preparation method thereof | |
Ali et al. | Efficient photoelectrodes from anatase TiO2 nanotube arrays decorated with particles/rods/3D microflower rutile crystals for photoelectrochemical water splitting | |
CN108722450A (en) | The preparation method of the up-conversion phosphor composite photocatalyst material of high strong ultraviolet emission | |
CN105771953A (en) | Preparation method of zinc titanate and titanium dioxide composite nano material | |
CN105749908B (en) | A kind of Au@TiO2Hollow core-shell structure photochemical catalyst and preparation method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |