CN107597100A - The preparation method of two-dimentional sodium tungstate/tungsten oxide catalysis material of carbon point modification - Google Patents
The preparation method of two-dimentional sodium tungstate/tungsten oxide catalysis material of carbon point modification Download PDFInfo
- Publication number
- CN107597100A CN107597100A CN201710990927.8A CN201710990927A CN107597100A CN 107597100 A CN107597100 A CN 107597100A CN 201710990927 A CN201710990927 A CN 201710990927A CN 107597100 A CN107597100 A CN 107597100A
- Authority
- CN
- China
- Prior art keywords
- dimentional
- carbon point
- sodium tungstate
- tungsten
- tungsten oxide
- 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.)
- Granted
Links
Landscapes
- Catalysts (AREA)
Abstract
The invention discloses a kind of preparation method of two-dimentional sodium tungstate/tungsten oxide catalysis material of antibacterial carbon point modification, tungsten salt is dissolved in alcoholic solution and obtains tungsten salt solution, then palladium bichloride is added, the alcoholic solution of sodium hydroxide is added after well mixed, it is mixing uniformly to form mixed solution, pour into reactor, the 14h of isothermal reaction 4, obtains sediment under conditions of 140 220 DEG C；With deionized water and the repeated multiple times washing of ethanol, after drying after Muffle furnace calcines 2 6h under conditions of 300 500 DEG C, two-dimentional sodium tungstate/tungsten oxide photocatalysis nano material of carbon point modification is obtained.The present invention is mixed using different tungsten salts and metal salt palladium bichloride, two-dimentional sodium tungstate/oxidation composite tungsten material of a series of carbon point modification is prepared in different solvents, the composite prepared under visible light can efficiently, temporarily kill Escherichia coli, whole operation process is simple and convenient so that this method has actual application value.
Description
Technical field
The invention belongs to solar energy, photocatalysis nano material, environmental sanitation and green agriculture plant protection art, specifically relate to
And there is the preparation side of two-dimentional sodium tungstate/tungsten oxide catalysis material of the carbon point modification of excellent bactericidal property under a kind of visible ray
Method.
Background technology
The amount of the containing position of China's tungsten is at the forefront in the world, therefore has a wide range of applications.Tungsten oxide WO3It is that one kind is partly led
Body photochemical catalyst, with traditional catalysis material TiO2Compare, WO3With narrower energy gap 2.6eV, TiO2For 3.2eV,
Can be potential visible light catalyst by excited by visible light.Sodium tungstate Na2W4O13Energy gap be 3.1eV, still
Na2W4O13Conduction band compare WO3Conduction band it is more negative, therefore reproducibility is higher.By Na2W4O13And WO3It is compounded with empty beneficial to light induced electron
The separation in cave pair.The main reason for restricting photocatalysis nano material development is that light induced electron and hole are easily compound, studies have shown that
Carbon point (carbon dots, CDs) is a kind of excellent light induced electron capture hydrazine, can be used for capturing electronics, reduce electronics and sky
Compound, the raising photocatalysis efficiency in cave.This patent has synthesized the two-dimentional WO of carbon point modification3/Na2W4O13Composite.
This composite security is high, and degradable organic pollutant is can be used under visible light catalytic and kills cause of disease
Microorganism, it is a kind of material of new and effective photocatalysis preventing and treating pathogen.Utilize sunlight as driving force, energy-conservation and ring
Protect, under the irradiation of sunshine, hydroxyl radical free radical, superoxide radical etc. can not only kill pathogen caused by material light catalysis
Can also be degraded toxin caused by pathogen.
The content of the invention
The present invention solves the technical problem of for common catalysis material, bactericidal property is low under visible light, photoproduction
The shortcomings of easy compound and synthesis technique of electronics and hole is complicated, a kind of carbon has been prepared by simple step hydrothermal synthesis method
Two-dimentional sodium tungstate/tungsten oxide catalysis material of point modification.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of preparation method of two-dimentional sodium tungstate/tungsten oxide catalysis material of antibacterial carbon point modification, step are as follows：
（1）Tungsten salt is dissolved in alcoholic solution, then adds palladium bichloride, the alcoholic solution of sodium hydroxide, stirring are added after being well mixed
Mixed solution is formed after uniformly；
（2）By step（1）Obtained mixed solution is poured into reactor, the isothermal reaction 4-14h under conditions of 140-220 DEG C,
Obtain sediment；
（3）By step（2）The obtained repeated multiple times washing of sediment deionized water and ethanol, through Muffle furnace in 300- after drying
After calcining 2-6h under conditions of 500 DEG C, two-dimentional sodium tungstate/tungsten oxide photocatalysis nano material of carbon point modification is obtained.
The step（1）In tungsten salt be WCl6Or WCl5, alcoholic solution is ethanol solution.
The step（1）The molar concentration of tungsten salt is 0.05 ~ 0.2 mol/L in mixed solution.
The step（1）The ratio between amount of material of middle tungsten salt, palladium bichloride and sodium hydroxide is 1: 0.001~0.04:6.
The step（2）Middle reaction temperature is 160 ~ 200 DEG C.
The step（2）The middle reaction time is 6 ~ 12h.
The step（3）Middle calcining heat is 400 DEG C, calcination time 4h.
In the present invention in each specific reaction system tungsten salt molar concentration scope, the concentration range of palladium bichloride, in scope
Modified composite can be obtained.In the optimization range further provided, the more preferable carbon point of bactericidal property can be obtained
Two-dimentional sodium tungstate/tungsten oxide optic catalytic composite material of modification.
The material of the present invention, the key factor in synthesis is that palladium bichloride is added in reaction system, palladium bichloride and hydroxide
Sodium reaction generation palladium dydroxide, palladium dydroxide are reduced to simple substance palladium by absolute ethyl alcohol, and simple substance palladium can be catalyzed in the basic conditions
Absolute ethyl alcohol is decomposed into the micromolecular compound of the carbon such as carboxylic acid, and carbon point can be formed after calcining.Tungsten oxide/tungsten of carbon point modification
In sour sodium composite, carbon point both can partly improve absorption of the material to visible ray, can also reduce answering for electronics and hole
Conjunction rate.The present invention reaction required for temperature conditionss, less than 140 DEG C can not good crystallization, temperature is higher, and the crystallization of material is got over
When well, higher than 220 DEG C, the danger of reaction can be increased；In the required reaction time, reaction time ＞, 6h can be obtained by modified material
Material, extension time are advantageous to react complete progress；During 200 DEG C of the temperature ＞ of calcining, the crystal property of material is more preferable, higher than 600
DEG C when reactivity hazard increase.
Design principle of the present invention is as follows：
Tungsten salt and palladium bichloride are well mixed in ethanol solution, appropriate sodium hydroxide is added and forms precipitation, passing through hydro-thermal
Reaction, prepare two-dimentional sodium tungstate/oxidation composite tungsten material of carbon point modification.
The present invention has the advantage that and technique effect：
1. the present invention is mixed using different tungsten salts and metal salt palladium bichloride, a series of carbon point is prepared in different solvents and is repaiied
Two-dimentional sodium tungstate/oxidation composite tungsten material of decorations；2. the present invention is simple to operate, cost is relatively low, easily-controlled reaction conditions；3. adding
Under conditions of entering palladium bichloride, when calcining heat is 400 DEG C, the surface catalysis of composite generates carbon point；4. institute of the present invention
The material of synthesis, bacterium can be killed in the short time under visible light.
Brief description of the drawings
Fig. 1 is CDs/WO prepared by the embodiment of the present invention 13/Na2W4O13XRD spectra；
Fig. 2 is CDs/WO prepared by the embodiment of the present invention 13/Na2W4O13UV-vis spectrograms；
Fig. 3 is CDs/WO prepared by the embodiment of the present invention 13/Na2W4O13TEM spectrograms；
Fig. 4 is CDs/WO prepared by the embodiment of the present invention 13/Na2W4O13XPS spectrum figure；
Fig. 5 is CDs/WO prepared by the embodiment of the present invention 13/Na2W4O13Killing curve figure；
Fig. 6 is CDs/WO prepared by the embodiment of the present invention 23/Na2W4O13TEM spectrograms；
Fig. 7 is CDs/WO prepared by the embodiment of the present invention 33/Na2W4O13TEM spectrograms；
Fig. 8 is CDs/WO prepared by the embodiment of the present invention 43/Na2W4O13TEM spectrograms；
Fig. 9 is CDs/WO prepared by the embodiment of the present invention 53/Na2W4O13TEM spectrograms；
Figure 10 is CDs/WO prepared by the embodiment of the present invention 53/Na2W4O13XPS spectrum figure.
Embodiment
With reference to specific embodiment, the present invention will be further described.It should be understood that following examples are merely to illustrate this
Invention can make one not for limitation the scope of the present invention, the person skilled in the art in the field according to the content of foregoing invention
A little nonessential modifications and adaptations.
Embodiment 1
The preparation method of two-dimentional sodium tungstate/oxidation composite tungsten material of the carbon point modification of the present embodiment, step are as follows：
（1）Room temperature, in the presence of magnetic agitation, by 6mmol（2.40g）WCl6（Concentration is 99%）Add 30ml ethanol solutions
Middle formation WCl6Alcoholic solution, by 0.012mmol（2.12mg）PdCl2（Purity is 99.99%）It is added in above-mentioned solution, acutely stirs
Mix 30 minutes, fully dissolving；Will be dissolved with 36mmol（1.48g）NaOH（Purity is 97%）Ethanol solution 30ml and above-mentioned
Solution mixes；Mixture is stirred vigorously 20 minutes；
（2）Above-mentioned mixed solution is poured into the reactor of the polytetrafluoroethylene (PTFE) of 100ml volumes, 6 hours is incubated at 180 DEG C,
Precipitated；
（3）Then precipitation is repeatedly washed with deionized water and ethanol, is dried in 80 DEG C of baking ovens, Muffle is positioned over after grinding
Stove, 400 DEG C calcining 4h after obtain CDs/WO3/Na2W4O13Powder, sample are labeled as A.
XRD analysis are carried out to obtained sample using German Bruker companies D8 Advance types X-ray diffractometers.Such as figure
1 show the XRD spectra of sample, and XRD spectra shows the mixed crystal that sample is tungsten oxide and sodium tungstate.Using HIT U-
3900H ultraviolet-visible solid diffusing reflection instruments are analyzed sample light absorbs, and the material prepared as shown in Figure 2 has preferably
Visible absorption effect.
The appearance structure of sample is obtained using the type transmission electron microscope observation of JEOL 2100, is illustrated in figure 3 sample
The TEM photos of product.It can be seen that in the presence of palladium bichloride, sample surfaces catalysis forms carbon point.Using match Mo Feishier sections
Element contained by skill company ESCALAB250 x-ray photoelectron spectroscopy test sample, it is illustrated in figure 4 the XPS of sample
Figure.
Visible light photocatalysis experiment is carried out using the xenon source of Beijing Bo Feilai Science and Technology Ltd.s, as shown in Figure 5 system
Have under standby material visible-light well kill Escherichia coli (Escherichia coli) effect.
Embodiment 2
The preparation method of two-dimentional sodium tungstate/oxidation composite tungsten material of the carbon point modification of the present embodiment, step are as follows：
（1）Room temperature, in the presence of magnetic agitation, by 3mmol（1.20g）WCl6（Concentration is 99%）Add 30ml ethanol solutions
Middle formation WCl6Alcoholic solution, by 0.006mmol（0.25mg）PdCl2（Purity is 99.99%）It is added in above-mentioned solution, acutely stirs
Mix 30 minutes, fully dissolving, will be dissolved with 18mmol（0.74g）NaOH（Purity is 97%）Ethanol solution 30ml and above-mentioned solution
Mixing, mixture are stirred vigorously 20 minutes；
（2）Above-mentioned mixed solution is poured into the reactor of the polytetrafluoroethylene (PTFE) of 100ml volumes, 12 hours is incubated at 160 DEG C,
Precipitated；
（3）Then precipitation is repeatedly washed with deionized water and ethanol, is dried in 80 DEG C of baking ovens, Muffle is positioned over after grinding
Stove, 300 DEG C calcining 6h after obtain CDs/WO3/Na2W4O13Powder, sample are labeled as B.
Sample is detected using the equipment of embodiment 1.Sample B TEM photos are shown in Fig. 6.
Embodiment 3
The preparation method of two-dimentional sodium tungstate/oxidation composite tungsten material of the carbon point modification of the present embodiment, step are as follows：
（1）Room temperature, in the presence of magnetic agitation, by 6mmol（2.19g）WCl5（Concentration is 99%）Add 30ml ethanol solutions
Middle formation WCl6Alcoholic solution, by 0.006mmol（0.25mg）PdCl2（Purity is 99.99%）It is added in above-mentioned solution, acutely stirs
Mix 30 minutes, fully dissolving, will be dissolved with 36mmol（1.48g）NaOH（Purity is 97%）Ethanol solution 30ml and above-mentioned
Solution is mixed, and mixture is stirred vigorously 20 minutes；
（2）Above-mentioned mixed solution is poured into the reactor of the polytetrafluoroethylene (PTFE) of 100ml volumes, 10 hours is incubated at 180 DEG C,
Precipitated；
（3）Then precipitation is repeatedly washed with deionized water and ethanol, is dried in 80 DEG C of baking ovens, Muffle is positioned over after grinding
Stove, 400 DEG C calcining 4h after obtain CDs/WO3/Na2W4O13Powder, sample are labeled as C.
Sample is detected using the equipment of embodiment 1.Sample C TEM photos are shown in Fig. 7.
Embodiment 4
The preparation method of two-dimentional sodium tungstate/oxidation composite tungsten material of the carbon point modification of the present embodiment, step are as follows：
（1）Room temperature, in the presence of magnetic agitation, by 12mmol（4.80g）WCl6（Concentration is 99%）Add 30ml ethanol solutions
Middle formation WCl6Alcoholic solution, by 0.48mmol（0.085g）PdCl2（Purity is 99.99%）It is added in above-mentioned solution, acutely stirs
Mix 30 minutes, fully dissolving, will be dissolved with 72mmol（2.96g）NaOH（Purity is 97%）Ethanol solution 30ml and above-mentioned
Solution is mixed, and mixture is stirred vigorously 20 minutes；
（2）Above-mentioned mixed solution is poured into the reactor of the polytetrafluoroethylene (PTFE) of 100ml volumes, 6 hours is incubated at 200 DEG C,
Precipitated；
（3）Then precipitation is repeatedly washed with deionized water and ethanol, is dried in 80 DEG C of baking ovens, Muffle is positioned over after grinding
Stove, 500 DEG C calcining 2h after obtain CDs/WO3/Na2W4O13Powder, sample are labeled as D.
Sample is detected using the equipment of embodiment 1.Sample D TEM photos are shown in Fig. 8.
Embodiment 5
The preparation method of two-dimentional sodium tungstate/oxidation composite tungsten material of the carbon point modification of the present embodiment, step are as follows：
（1）Room temperature, in the presence of magnetic agitation, by 6mmol（2.40g）WCl6（Concentration is 99%）Add 30ml absolute ethyl alcohols
WCl is formed in solution6Alcoholic solution, by 0.01mmol（1.77mg）PdCl2（Purity is 99.99%）It is added in above-mentioned solution, it is acute
Strong stirring 30 minutes, fully dissolving, will be dissolved with 36mmol（1.48g）NaOH（Purity is 97%）Ethanol solution 30ml and
Above-mentioned solution mixing, mixture are stirred vigorously 20 minutes；
（2）Above-mentioned mixed solution is poured into the reactor of the polytetrafluoroethylene (PTFE) of 100ml volumes, 9 hours is incubated at 190 DEG C,
Precipitated；
（3）Then precipitation is repeatedly washed with deionized water and ethanol, is dried in 80 DEG C of baking ovens, Muffle is positioned over after grinding
Stove, 400 DEG C calcining 4h after obtain CDs/WO3/Na2W4O13Powder, sample are labeled as E.
Sample is detected using the equipment of embodiment 1.Sample E TEM photos are shown in Fig. 9.
WCl6And WCl5Act in the present invention identical, their properties are close, the two-dimentional wolframic acid of prepared carbon point modification
Sodium/oxidation composite tungsten material does not have essential distinction, therefore on the premise of embodiment is not provided, can be it is envisioned that identical skill
Art effect.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The present invention not by
Merely illustrating the principles of the invention described in the limitation of above-described embodiment, above-described embodiment and specification, this hair is not being departed from
On the premise of bright spirit and scope, various changes and modifications of the present invention are possible, and these changes and improvements both fall within claimed
The scope of the invention in.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (7)
1. a kind of preparation method of two-dimentional sodium tungstate/tungsten oxide catalysis material of carbon point modification, it is characterised in that step is as follows：
（1）Tungsten salt is dissolved in alcoholic solution, then adds palladium bichloride, the ethanol solution of sodium hydroxide is added after being well mixed, is stirred
Mixed solution is formed after mixing uniformly；
（2）By step（1）Obtained mixed solution is poured into reactor, the isothermal reaction 4-14h under conditions of 140-220 DEG C,
Obtain sediment；
（3）By step（2）The obtained repeated multiple times washing of sediment deionized water and ethanol, through Muffle furnace in 300- after drying
After calcining 2-6h under conditions of 500 DEG C, two-dimentional sodium tungstate/tungsten oxide photocatalysis nano material of carbon point modification is obtained.
2. the preparation method of two-dimentional sodium tungstate/tungsten oxide catalysis material of carbon point modification according to claim 1, it is special
Sign is：The step（1）In tungsten salt be WCl6Or WCl5, alcoholic solution is ethanol solution.
3. the preparation method of two-dimentional sodium tungstate/tungsten oxide catalysis material of carbon point modification according to claim 1, it is special
Sign is：The step（1）The molar concentration of tungsten salt is 0.05 ~ 0.2 mol/L in mixed solution.
4. the preparation method of two-dimentional sodium tungstate/tungsten oxide catalysis material of carbon point modification according to claim 1, it is special
Sign is：The step（1）The ratio between amount of material of middle tungsten salt, palladium bichloride and sodium hydroxide is 1: 0.001~0.04:6.
5. the preparation method of two-dimentional sodium tungstate/tungsten oxide catalysis material of carbon point modification according to claim 1, it is special
Sign is：The step（2）Middle reaction temperature is 160 ~ 200 DEG C.
6. the preparation method of two-dimentional sodium tungstate/tungsten oxide catalysis material of carbon point modification according to claim 1, it is special
Sign is：The step（2）The middle reaction time is 6 ~ 12h.
7. the preparation method of two-dimentional sodium tungstate/tungsten oxide catalysis material of carbon point modification according to claim 1, it is special
Sign is：The step（3）Middle calcining heat is 400 DEG C, calcination time 4h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710990927.8A CN107597100B (en) | 2017-10-23 | 2017-10-23 | Preparation method of carbon-point-modified two-dimensional sodium tungstate/tungsten oxide photocatalytic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710990927.8A CN107597100B (en) | 2017-10-23 | 2017-10-23 | Preparation method of carbon-point-modified two-dimensional sodium tungstate/tungsten oxide photocatalytic material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107597100A true CN107597100A (en) | 2018-01-19 |
| CN107597100B CN107597100B (en) | 2020-03-10 |
Family
ID=61079046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710990927.8A Active CN107597100B (en) | 2017-10-23 | 2017-10-23 | Preparation method of carbon-point-modified two-dimensional sodium tungstate/tungsten oxide photocatalytic material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107597100B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354845A (en) * | 2019-06-28 | 2019-10-22 | 广东工业大学 | A kind of bismuth tungstate photocatalyst and its preparation method and application of carbon nano dot modification |
| CN114377671A (en) * | 2020-10-16 | 2022-04-22 | 浙江大学 | Composite oxide containing tungstate nanoclusters, and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107519A (en) * | 2015-09-11 | 2015-12-02 | 辽宁石油化工大学 | Method for synthetizing tungstate/tungsten oxide heterojunction photocatalyst in situ |
| CN105836807A (en) * | 2016-06-01 | 2016-08-10 | 武汉工程大学 | Tungsten oxide with two-dimensional slice self-assembly multilevel structure and preparation method thereof and application |
-
2017
- 2017-10-23 CN CN201710990927.8A patent/CN107597100B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105107519A (en) * | 2015-09-11 | 2015-12-02 | 辽宁石油化工大学 | Method for synthetizing tungstate/tungsten oxide heterojunction photocatalyst in situ |
| CN105836807A (en) * | 2016-06-01 | 2016-08-10 | 武汉工程大学 | Tungsten oxide with two-dimensional slice self-assembly multilevel structure and preparation method thereof and application |
| CN105836807B (en) * | 2016-06-01 | 2017-08-18 | 武汉工程大学 | A kind of two-dimensional slice self assembly multilevel hierarchy tungsten oxide and its preparation method and application |
Non-Patent Citations (4)
| Title |
|---|
| JINGTAO ZHANG ET AL.: "PdO loadedWO3 compositewithNa2W4O13 flake: A2-D heterostructurecompositematerial", 《MATERIALS LETTERS》 * |
| JINGTAO ZHANGA ET AL.: "Carbon dots-decorated Na2W4O13 composite with WO3 for highly efficient photocatalytic antibacterial activity", 《JOURNAL OF HAZARDOUS MATERIALS》 * |
| WEINA SHI ET AL.: "Significant enhancement of the photoelectrochemical activity of WO3 nanoflakes by carbon quantum dots decoration", 《CARBON》 * |
| ZHEFEI ZHAO ET AL.: "Carbon Quantum Dots sensitized Vertical WO3 Nanoplates with Enhanced Photoelectrochemical Properties", 《CHEMISTRY SELECT》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110354845A (en) * | 2019-06-28 | 2019-10-22 | 广东工业大学 | A kind of bismuth tungstate photocatalyst and its preparation method and application of carbon nano dot modification |
| CN114377671A (en) * | 2020-10-16 | 2022-04-22 | 浙江大学 | Composite oxide containing tungstate nanoclusters, and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107597100B (en) | 2020-03-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Reddy et al. | Wide spectrum photocatalytic activity in lanthanide-doped upconversion nanophosphors coated with porous TiO2 and Ag-Cu bimetallic nanoparticles | |
| CN105502503B (en) | A kind of hexagonal crystal tungsten bronze nanometer stub particle and preparation method thereof | |
| CN104014326B (en) | A kind of pucherite nanometer rods high efficiency photocatalyst and preparation method thereof | |
| CN108147462A (en) | A kind of tungsten trioxide nano-rod and its preparation with photocatalysis performance | |
| CN104525233B (en) | G-carbon nitride-titanium dioxide-silver nanosheet composite, biomimetic synthesis method and application thereof | |
| CN107899592B (en) | Magnetic recyclable flaky NiFe2O4Preparation method and application of/BiOI composite nano material | |
| CN106732524A (en) | A kind of α/β bismuth oxide phase heterojunction photocatalyst and its preparation method and purposes | |
| CN108212192A (en) | A kind of light-fenton catalyst and preparation method thereof | |
| CN106745166A (en) | A kind of synthetic method of quantum dot cerium oxide/modified oxidized cerium nano material | |
| CN105597734A (en) | Preparation method and application of molybdenum doped tungsten trioxide photocatalytic material | |
| CN104028292B (en) | N-TiO2/ C and N-TiO2And preparation method thereof | |
| CN104689835B (en) | CeO2Nano-particle/CdS nanometer rods composite photo-catalyst and its preparation method and application | |
| CN107649162A (en) | A kind of composite photo-catalyst and preparation method and application | |
| CN108940332A (en) | A kind of high activity MoS2/g-C3N4/Bi24O31Cl10The preparation method of composite photo-catalyst | |
| CN107511154A (en) | A kind of sea urchin shape CeO2/Bi2S3Composite visible light catalyst and preparation method thereof | |
| CN106362742A (en) | Ag/ZnO nano-composite, preparation method thereof and application of composite | |
| CN109317184A (en) | Difunctional β-FeOOH/eg-C3N4Composite nano materials and its preparation method and application | |
| CN105478153B (en) | A kind of CeVO4/Ag/g‑C3N4Composite photo-catalyst and preparation method thereof | |
| CN107597100A (en) | The preparation method of two-dimentional sodium tungstate/tungsten oxide catalysis material of carbon point modification | |
| CN108722450A (en) | The preparation method of the up-conversion phosphor composite photocatalyst material of high strong ultraviolet emission | |
| CN106140241A (en) | The nanometer g C of oxonium ion surface regulation and control3n4organic photocatalyst and its preparation method and application | |
| CN107282071A (en) | A kind of spherical AgInS2/Bi2S3Heterojunction photocatalysis material and its preparation method and application | |
| CN105618030A (en) | Preparation method for efficient photocatalyst SrTiO3/Bi2WO6 and application of photocatalyst | |
| CN109735325A (en) | A kind of composite material using quantum dot enhancing up-conversion luminescence | |
| CN107029719B (en) | A kind of Bi2O3/Ag2WO4/Bi2WO6Composite photo-catalyst and the preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |