CN105565386A - Method for preparing tungsten oxide with three-dimensional ordered macroporous structure - Google Patents
Method for preparing tungsten oxide with three-dimensional ordered macroporous structure Download PDFInfo
- Publication number
- CN105565386A CN105565386A CN201610021522.9A CN201610021522A CN105565386A CN 105565386 A CN105565386 A CN 105565386A CN 201610021522 A CN201610021522 A CN 201610021522A CN 105565386 A CN105565386 A CN 105565386A
- Authority
- CN
- China
- Prior art keywords
- single dispersing
- colloidal crystal
- crystal template
- dispersing bead
- aqueous solution
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G41/00—Compounds of tungsten
- C01G41/02—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The invention discloses a method for preparing tungsten oxide with a three-dimensional ordered macroporous structure. The method includes the following steps that S1, a monodisperse sphere colloidal crystal template is prepared; S2, powder WO3.nH2O is added into a hydrofluoric acid aqueous solution and stirred to obtain WO3 dispersion liquid; S3, the WO3 dispersion liquid stands still; S4, the hydrofluoric acid aqueous solution where WO3 is dissolved on the upper layer is taken out and used for soaking the monodisperse sphere colloidal crystal template, and then suction filtration is carried out; S5, the monodisperse sphere colloidal crystal template filled with the hydrofluoric acid aqueous solution where WO3 is dissolved is dried, the dried monodisperse sphere colloidal crystal template is forged, and tungsten oxide with the three-dimensional ordered macroporous structure is obtained. The preparation method can reduce preparation cost of tungsten oxide with the three-dimensional ordered macroporous structure, multi-phase tungsten oxide containing W18O49 can be obtained, and the problem that the filling degree of colloidal crystal template pores filled with sol-like precursors is limited can be effectively avoided.
Description
Technical field
The present invention relates to the technical field of material with three-dimensional ordered macroporous structure.More specifically, a kind of preparation method with the tungsten oxide of three-dimensional ordered macroporous structure is related to.
Background technology
Three-dimensional ordered macroporous (Three-dimensionalorderedmacropores, 3DOM) material is as a class new macroporous material, specific surface area is high, it has following unique advantage: (1) aperture is large, be conducive to macromolecular catalyzed conversion, the easy supported catalyst of hole wall surface or carry out functional modification; (2) duct is neat and orderly can reduce material diffusional resistance; (3) pore structure thermostability is strong; Three-dimensional ordered macroporous structure is easily opening externally, and heat-processed mesopore can not cause closing because shrinking inconsistent; (4) be easy to build the hole wall with specific composition; Its composition can be metal, metal oxide, polycomponent crystal or sosoloid, Wu Ji – organic hybrid thing, superpolymer, chalcogen compound etc.; (5) be the photonic crystal optimized; The periodic spatial lattice structure specific refraction of material macropore, than high, can produce preferably photon band gap.Therefore, There-dimensional ordered macroporous materials has the new function material that specific composition has again cycle ordered big hole structure two kinds of characteristics, can be applicable to the technical fields such as catalysis, absorption, photonic crystal.
In prior art, the preparation method with the tungsten oxide material of three-dimensional ordered macroporous structure mainly contains two kinds, one is solution permeable colloids crystal template method, the method precursor used has ammonium metawolframate methanol solution, ethanol tungsten ethanol solution, phospho-wolframic acid methanol solution, tungsten hexachloride ethanol solution; Another kind is precursor and single dispersing bead construction from part altogether, and precursor used is the mixture of tungsten powder and hydrogen peroxide.These two kinds of methods template bead used has monodisperse PMMA (polymethylmethacrylate) bead and PS (polystyrene) bead.In current technology, use ethanol tungsten expensive as presoma; The final product of all technique is the pure phase tungstic oxide with three-dimensional ordered macroporous structure, cannot obtain the heterogeneous tungsten oxide containing other stoichiometric ratio.
Therefore, need to provide a kind of preparation method with the tungsten oxide of three-dimensional ordered macroporous structure, to reduce presoma cost, obtain the heterogeneous tungsten oxide containing non-stoichiometric, and improve depth of cracking closure.
Summary of the invention
The object of the present invention is to provide a kind of preparation method with the tungsten oxide of three-dimensional ordered macroporous structure.
For achieving the above object, the present invention adopts following technical proposals:
Have a preparation method for the tungsten oxide of three-dimensional ordered macroporous structure, this preparation method comprises the steps:
S1: prepare single dispersing bead colloidal crystal template;
S2: by pulverous WO
3nH
2o joins in hydrofluoric acid aqueous solution, stirs and makes WO
3nH
2o fully mixes with hydrofluoric acid aqueous solution, obtains WO
3dispersion liquid, this WO
3the dispersion medium of dispersion liquid is that micro dissolution has WO
3hydrofluoric acid aqueous solution;
S3: by WO
3dispersion liquid leaves standstill, and makes undissolved WO
3powder sinks gradually, and the WO after sinking
3layering is there is, the WO of lower floor between powder and hydrofluoric acid aqueous solution
3in yellow, upper strata be dissolved with WO
3hydrofluoric acid aqueous solution be water white transparency;
S4: upper strata is dissolved with WO
3hydrofluoric acid aqueous solution take out, for soaking single dispersing bead colloidal crystal template, make to be dissolved with WO
3hydrofluoric acid aqueous solution be filled in single dispersing bead colloidal crystal template hole, then carry out suction filtration, filter not to be filled into and be dissolved with WO in single dispersing bead colloidal crystal template hole
3hydrofluoric acid aqueous solution, and make to be filled into and be dissolved with WO in single dispersing bead colloidal crystal template hole
3hydrofluoric acid aqueous solution the depth of cracking closure along suction filtration direction increase;
S5: filling is dissolved with WO
3hydrofluoric acid aqueous solution after single dispersing bead colloidal crystal template dry, make to be filled into and be dissolved with WO in single dispersing bead colloidal crystal template hole
3hydrofluoric acid aqueous solution by thermogenesis water vapour and hydrogen fluoride gas, thus make only to be filled with WO in single dispersing bead colloidal crystal template hole
3; Then WO is filled with by the hole after oven dry
3single dispersing bead colloidal crystal template calcine, make single dispersing bead colloidal crystal template decomposes; And insufficient generation CO that burns in single dispersing bead pyrolytic process, then CO is by WO
3partial reduction is W
18o
49, obtain the tungsten oxide with three-dimensional ordered macroporous structure.
Preferably, repeating said steps S4 many times, is dissolved with WO to increase further
3the compactedness of hydrofluoric acid aqueous solution in single dispersing bead colloidal crystal template hole.
Preferably, described step S1 comprises following sub-step further:
S1.1: by milky monodisperse spherical even particulate dispersion in water, obtains single dispersing bead dispersion liquid; In the single dispersing bead dispersion liquid that this step obtains, the mass percent concentration of monodisperse spherical particle is 1%-5%;
S1.2: employing centrifuging, natural sedimentation or desiccating method etc. make the monodisperse spherical particle ordered arrangement in above-mentioned single dispersing bead dispersion liquid, realize the ordered fabrication of monodisperse spherical particle, obtain single dispersing bead colloidal crystal template;
S1.3: shifted out by the water on single dispersing bead colloidal crystal template upper strata, then dries single dispersing bead colloidal crystal template.Further preferably, in described step S1.1, the particle size range of described monodisperse spherical particle is 100-600nm, and particle diameter relative standard deviation is less than 9%.
Further preferably, in the described single dispersing bead dispersion liquid that described step S1.1 obtains, the mass percent concentration of described monodisperse spherical particle is 1%-5%.
Preferably, in described step S2, the mass percent concentration of described hydrofluoric acid aqueous solution is 10%-40%.
Preferably, in described step S4, the time of soaking colloidal crystal template is 0.5h-24h.
Preferably, in described step S5, the temperature of described calcining is 400-600 DEG C.
Preferably, described single dispersing bead material is PMMA or PS;
In described step S5, when described single dispersing bead material is PMMA, PMMA single dispersing bead colloidal crystal template insufficient chemical equation that burns in pyrolytic process is in atmosphere:
In described step S5, when described single dispersing bead material is PS, PS single dispersing bead colloidal crystal template insufficient chemical equation that burns in pyrolytic process is in atmosphere:
Preferably, in described step S5, the chemical equation of Carbon monoxide reduction tungstic oxide is:
Beneficial effect of the present invention is as follows:
(1) compared with prior art, described preparation method of the present invention can avoid using ethanol tungsten as presoma, thus reduces the preparation cost of the tungsten oxide with three-dimensional ordered macroporous structure;
(2) compared with prior art, described preparation method of the present invention can obtain heterogeneous tungsten oxide, and its tungsten oxide prepared comprises WO
3and W
18o
49;
(3) compared with prior art, described preparation method's hydrofluoric acid aqueous solution of the present invention soaks single dispersing bead colloidal crystal template, makes to be dissolved with WO
3hydrofluoric acid aqueous solution be filled in single dispersing bead colloidal crystal template hole, thus can effectively avoid colloidal sol to fill the compactedness limitation problem of colloidal crystal template hole;
(4) compared with prior art, described preparation method's simple operation of process of the present invention, processing condition are less demanding.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The schema with the preparation method of the tungsten oxide of three-dimensional ordered macroporous structure that Fig. 1 provides for the embodiment of the present invention;
One of electromicroscopic photograph of tungsten oxide prepared by the preparation method with the tungsten oxide of three-dimensional ordered macroporous structure that Fig. 2 provides for the embodiment of the present invention;
The electromicroscopic photograph two of tungsten oxide prepared by the preparation method with the tungsten oxide of three-dimensional ordered macroporous structure that Fig. 3 provides for the embodiment of the present invention;
One of XRD spectra of tungsten oxide prepared by the preparation method with the tungsten oxide of three-dimensional ordered macroporous structure that Fig. 4 provides for the embodiment of the present invention;
The XRD spectra two of tungsten oxide prepared by the preparation method with the tungsten oxide of three-dimensional ordered macroporous structure that Fig. 5 provides for the embodiment of the present invention.
Embodiment
In order to be illustrated more clearly in the present invention, below in conjunction with preferred embodiments and drawings, the present invention is described further.Parts similar in accompanying drawing represent with identical Reference numeral.It will be appreciated by those skilled in the art that specifically described content is illustrative and nonrestrictive, should not limit the scope of the invention with this below.
Embodiment 1
The preparation method of what the present embodiment provided the have tungsten oxide of three-dimensional ordered macroporous structure comprises the steps:
S1: prepare single dispersing bead colloidal crystal template;
S2: by pulverous WO
3nH
2o joins in hydrofluoric acid aqueous solution, stirs and makes WO
3nH
2o fully mixes with hydrofluoric acid aqueous solution, obtains WO
3dispersion liquid, this WO
3the dispersion medium of dispersion liquid is that micro dissolution has WO
3hydrofluoric acid aqueous solution; In this step, pulverous WO
3nH
2o is in yellow;
S3: by WO
3dispersion liquid leaves standstill, and makes undissolved WO
3powder sinks gradually, and the WO after sinking
3layering is there is, the WO of lower floor between powder and hydrofluoric acid aqueous solution
3in yellow, upper strata be dissolved with WO
3hydrofluoric acid aqueous solution be water white transparency;
S4: upper strata is dissolved with WO
3hydrofluoric acid aqueous solution take out, for soaking single dispersing bead colloidal crystal template, make to be dissolved with WO
3hydrofluoric acid aqueous solution be filled in single dispersing bead colloidal crystal template hole, then carry out suction filtration, filter not to be filled into and be dissolved with WO in single dispersing bead colloidal crystal template hole
3hydrofluoric acid aqueous solution, and make to be filled into and be dissolved with WO in single dispersing bead colloidal crystal template hole
3hydrofluoric acid aqueous solution the depth of cracking closure along suction filtration direction increase;
S5: filling is dissolved with WO
3hydrofluoric acid aqueous solution after single dispersing bead colloidal crystal template dry, make to be filled into and be dissolved with WO in single dispersing bead colloidal crystal template hole
3hydrofluoric acid aqueous solution by thermogenesis water vapour and hydrogen fluoride gas, thus make only to be filled with WO in single dispersing bead colloidal crystal template hole
3; Then WO is filled with by the hole after oven dry
3single dispersing bead colloidal crystal template calcine, make single dispersing bead colloidal crystal template decomposes; And insufficient generation CO that burns in single dispersing bead pyrolytic process, then CO is by WO
3partial reduction is W
18o
49, obtain the tungsten oxide with three-dimensional ordered macroporous structure.
Above-mentioned steps S1 comprises following sub-step further:
S1.1: by milky monodisperse spherical even particulate dispersion in water, obtains single dispersing bead dispersion liquid; In the single dispersing bead dispersion liquid that this step obtains, the mass percent concentration of monodisperse spherical particle is 1%-5%;
S1.2: employing centrifuging, natural sedimentation or desiccating method make the monodisperse spherical particle ordered arrangement in above-mentioned single dispersing bead dispersion liquid, realize the ordered fabrication of monodisperse spherical particle, obtain single dispersing bead colloidal crystal template;
S1.3: shifted out by the water on single dispersing bead colloidal crystal template upper strata, then dries single dispersing bead colloidal crystal template.
In a kind of preferred implementation of the present embodiment, repeat above-mentioned steps S4 many times, be dissolved with WO to increase further
3the compactedness of hydrofluoric acid aqueous solution in single dispersing bead colloidal crystal template hole.
In above-mentioned steps S1.1, the particle size range of PMMA spheroidal particle is 100-600nm, and particle diameter relative standard deviation is less than 9%.
In above-mentioned steps S2, the mass percent concentration of hydrofluoric acid aqueous solution is 10%-40%.
In above-mentioned steps S4, the time of soaking colloidal crystal template is 0.5h-24h.
In above-mentioned steps S5, the temperature of calcining is 400-600 DEG C.
Above-mentioned single dispersing bead material is preferably polymethylmethacrylate (PMMA) or polystyrene (PS).
In above-mentioned steps S5, when above-mentioned single dispersing bead material is PMMA, PMMA single dispersing bead colloidal crystal template insufficient chemical equation that burns in pyrolytic process is in atmosphere:
In above-mentioned steps S5, when above-mentioned single dispersing bead material is PS, PS single dispersing bead colloidal crystal template insufficient chemical equation that burns in pyrolytic process is in atmosphere:
In above-mentioned steps S5, the chemical equation of Carbon monoxide reduction tungstic oxide is:
Adopt the electromicroscopic photograph with the tungsten oxide of three-dimensional ordered macroporous structure prepared by the described preparation method of the present embodiment as shown in Figures 2 and 3.
Adopt the XRD spectra with the tungsten oxide of three-dimensional ordered macroporous structure prepared by the described preparation method of the present embodiment as shown in Figure 4 and Figure 5, can find out, tungsten oxide prepared by the described preparation method of the present embodiment comprises WO
3and W
18o
49.
Obviously; the above embodiment of the present invention is only for example of the present invention is clearly described; and be not the restriction to embodiments of the present invention; for those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description; here cannot give exhaustive to all embodiments, every belong to technical scheme of the present invention the apparent change of extending out or variation be still in the row of protection scope of the present invention.
Claims (10)
1. have a preparation method for the tungsten oxide of three-dimensional ordered macroporous structure, it is characterized in that, this preparation method comprises the steps:
S1: prepare single dispersing bead colloidal crystal template;
S2: by pulverous WO
3nH
2o joins in hydrofluoric acid aqueous solution, stirs and makes WO
3nH
2o fully mixes with hydrofluoric acid aqueous solution, obtains WO
3dispersion liquid, this WO
3the dispersion medium of dispersion liquid is that micro dissolution has WO
3hydrofluoric acid aqueous solution;
S3: by WO
3dispersion liquid leaves standstill, and makes undissolved WO
3powder sinks gradually, and the WO after sinking
3layering is there is, the WO of lower floor between powder and hydrofluoric acid aqueous solution
3in yellow, upper strata be dissolved with WO
3hydrofluoric acid aqueous solution be water white transparency;
S4: upper strata is dissolved with WO
3hydrofluoric acid aqueous solution take out, for soaking single dispersing bead colloidal crystal template, make to be dissolved with WO
3hydrofluoric acid aqueous solution be filled in single dispersing bead colloidal crystal template hole, then carry out suction filtration, filter not to be filled into and be dissolved with WO in single dispersing bead colloidal crystal template hole
3hydrofluoric acid aqueous solution, and make to be filled into and be dissolved with WO in single dispersing bead colloidal crystal template hole
3hydrofluoric acid aqueous solution the depth of cracking closure along suction filtration direction increase;
S5: filling is dissolved with WO
3hydrofluoric acid aqueous solution after single dispersing bead colloidal crystal template dry, make to be filled into and be dissolved with WO in single dispersing bead colloidal crystal template hole
3hydrofluoric acid aqueous solution by thermogenesis water vapour and hydrogen fluoride gas, thus make only to be filled with WO in single dispersing bead colloidal crystal template hole
3; Then WO is filled with by the hole after oven dry
3single dispersing bead colloidal crystal template calcine, make single dispersing bead colloidal crystal template decomposes; And insufficient generation CO that burns in single dispersing bead pyrolytic process, then CO is by WO
3partial reduction is W
18o
49, obtain the tungsten oxide with three-dimensional ordered macroporous structure.
2. the preparation method with the tungsten oxide of three-dimensional ordered macroporous structure according to claim 1, is characterized in that, repeating said steps S4 many times, is dissolved with WO to increase further
3the compactedness of hydrofluoric acid aqueous solution in single dispersing bead colloidal crystal template hole.
3. the preparation method with the tungsten oxide of three-dimensional ordered macroporous structure according to claim 1, is characterized in that, described step S1 comprises following sub-step further:
S1.1: by milky monodisperse spherical even particulate dispersion in water, obtains single dispersing bead dispersion liquid; In the single dispersing bead dispersion liquid that this step obtains, the mass percent concentration of single dispersing bead spheroidal particle is 1%-5%;
S1.2: employing centrifuging, natural sedimentation or desiccating method make the monodisperse spherical particle ordered arrangement in above-mentioned single dispersing bead dispersion liquid, realize the ordered fabrication of monodisperse spherical particle, obtain single dispersing bead colloidal crystal template;
S1.3: shifted out by the water on single dispersing bead colloidal crystal template upper strata, then dries single dispersing bead colloidal crystal template.
4. the preparation method with the tungsten oxide of three-dimensional ordered macroporous structure according to claim 3, is characterized in that, in described step S1.1, the particle size range of described monodisperse spherical particle is 100-600nm, and particle diameter relative standard deviation is less than 9%.
5. the preparation method with the tungsten oxide of three-dimensional ordered macroporous structure according to claim 3, is characterized in that, in the described single dispersing bead dispersion liquid that described step S1.1 obtains, the mass percent concentration of described monodisperse spherical particle is 1%-5%.
6. the preparation method with the tungsten oxide of three-dimensional ordered macroporous structure according to claim 1, is characterized in that, in described step S2, the mass percent concentration of described hydrofluoric acid aqueous solution is 10%-40%.
7. the preparation method with the tungsten oxide of three-dimensional ordered macroporous structure according to claim 1, is characterized in that, in described step S4, the time of soaking colloidal crystal template is 0.5h-24h.
8. the preparation method with the tungsten oxide of three-dimensional ordered macroporous structure according to claim 1, is characterized in that, in described step S5, the temperature of described calcining is 400-600 DEG C.
9. the preparation method with the tungsten oxide of three-dimensional ordered macroporous structure according to claim 1, is characterized in that, described single dispersing bead material is PMMA or PS;
In described step S5, when described single dispersing bead material is PMMA, PMMA single dispersing bead colloidal crystal template insufficient chemical equation that burns in pyrolytic process is in atmosphere:
In described step S5, when described single dispersing bead material is PS, PS single dispersing bead colloidal crystal template insufficient chemical equation that burns in pyrolytic process is in atmosphere:
10. the preparation method with the tungsten oxide of three-dimensional ordered macroporous structure according to claim 1, is characterized in that, in described step S5, the chemical equation of Carbon monoxide reduction tungstic oxide is:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021522.9A CN105565386B (en) | 2016-01-14 | 2016-01-14 | A kind of preparation method of the tungsten oxide with three-dimensional ordered macroporous structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021522.9A CN105565386B (en) | 2016-01-14 | 2016-01-14 | A kind of preparation method of the tungsten oxide with three-dimensional ordered macroporous structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105565386A true CN105565386A (en) | 2016-05-11 |
| CN105565386B CN105565386B (en) | 2017-06-13 |
Family
ID=55876106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610021522.9A Expired - Fee Related CN105565386B (en) | 2016-01-14 | 2016-01-14 | A kind of preparation method of the tungsten oxide with three-dimensional ordered macroporous structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105565386B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745274A (en) * | 2016-12-27 | 2017-05-31 | 郑州大学 | A kind of adjustable 3DOM WO in aperture3The preparation method and applications of material |
| KR20230053368A (en) * | 2021-10-14 | 2023-04-21 | 단국대학교 천안캠퍼스 산학협력단 | Method of manufacturing Spherical molybdenum oxide powder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838165A (en) * | 2012-09-29 | 2012-12-26 | 黑龙江大学 | Method for preparing WO3 multiporous micro beads |
| CN103407969A (en) * | 2013-07-31 | 2013-11-27 | 济南大学 | Preparation method of three-dimensionally ordered macroporous-mesoporous metal oxide or composite oxide by using gas phase permeability-precipitation technology, and obtained product |
| CN104843792A (en) * | 2015-03-23 | 2015-08-19 | 北京科技大学 | Method for preparing nano needle-shaped purple tungsten powder |
| CN104860355A (en) * | 2015-05-05 | 2015-08-26 | 上海应用技术学院 | Production method of large aperture of mesoporous tungsten trioxide microsphere |
-
2016
- 2016-01-14 CN CN201610021522.9A patent/CN105565386B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838165A (en) * | 2012-09-29 | 2012-12-26 | 黑龙江大学 | Method for preparing WO3 multiporous micro beads |
| CN103407969A (en) * | 2013-07-31 | 2013-11-27 | 济南大学 | Preparation method of three-dimensionally ordered macroporous-mesoporous metal oxide or composite oxide by using gas phase permeability-precipitation technology, and obtained product |
| CN104843792A (en) * | 2015-03-23 | 2015-08-19 | 北京科技大学 | Method for preparing nano needle-shaped purple tungsten powder |
| CN104860355A (en) * | 2015-05-05 | 2015-08-26 | 上海应用技术学院 | Production method of large aperture of mesoporous tungsten trioxide microsphere |
Non-Patent Citations (3)
| Title |
|---|
| D.S. VENABLES ET AL.: ""Reduction of tungsten oxides with carbon monoxide"", 《THERMOCHIRNICA ACTA》 * |
| 孔祥萍: ""三维有序大孔氧化钨电致变色薄膜的制备及其性能研究"", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
| 张玉贞等: "《重质油加工与石油沥青和新型炭材料》", 30 September 2009 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745274A (en) * | 2016-12-27 | 2017-05-31 | 郑州大学 | A kind of adjustable 3DOM WO in aperture3The preparation method and applications of material |
| KR20230053368A (en) * | 2021-10-14 | 2023-04-21 | 단국대학교 천안캠퍼스 산학협력단 | Method of manufacturing Spherical molybdenum oxide powder |
| KR102564772B1 (en) * | 2021-10-14 | 2023-08-07 | 단국대학교 천안캠퍼스 산학협력단 | Method of manufacturing Spherical molybdenum oxide powder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105565386B (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zu et al. | Silica–titania composite aerogel photocatalysts by chemical liquid deposition of titania onto nanoporous silica scaffolds | |
| Wang et al. | Polymer-derived heteroatom-doped porous carbon materials | |
| Song et al. | Ultrathin MXene “bridge” to accelerate charge transfer in ultrathin metal-free 0D/2D black phosphorus/g-C3N4 heterojunction toward photocatalytic hydrogen production | |
| Chen et al. | Synthesis of monodisperse mesoporous titania beads with controllable diameter, high surface areas, and variable pore diameters (14− 23 nm) | |
| Liu et al. | Titanium dioxide crystals with tailored facets | |
| Liu et al. | Mesoporous TiO2 mesocrystals: remarkable defects-induced crystallite-interface reactivity and their in situ conversion to single crystals | |
| Ding et al. | Generalized synthesis of ternary sulfide hollow structures with enhanced photocatalytic performance for degradation and hydrogen evolution | |
| Li et al. | Ordered bicontinuous mesoporous polymeric semiconductor photocatalyst | |
| Yu et al. | Effects of nanoparticle shape on the morphology and properties of porous CdSe assemblies (aerogels) | |
| Wang et al. | Improving photocatalytic H2 evolution of TiO2 via formation of {001}–{010} quasi-heterojunctions | |
| Hu et al. | Mesocrystalline nanocomposites of TiO2 polymorphs: Topochemical mesocrystal conversion, characterization, and photocatalytic response | |
| Saito et al. | Room-temperature rutile TiO2 nanoparticle formation on protonated layered titanate for high-performance heterojunction creation | |
| Zhu et al. | Ionic-liquid-controlled two-dimensional monolayer Bi2MoO6 and its adsorption of azo molecules | |
| CN105565386A (en) | Method for preparing tungsten oxide with three-dimensional ordered macroporous structure | |
| CN103721745A (en) | Copolymerization modified ordered mesoporous carbon nitride photocatalyst | |
| Lytle et al. | Recent progress in syntheses and applications of inverse opals and related macroporous materials prepared by colloidal crystal templating | |
| Gregory et al. | Template-induced structuring and tunable polymorphism of three-dimensionally ordered mesoporous (3DOm) metal oxides | |
| He et al. | Template-free synthesis of TiO 2 microspheres with tunable particle size via a non-aqueous sol–gel process | |
| Peng et al. | General surface-casting synthesis of mesoporous metal oxides with hollow structures and ultrahigh surface areas | |
| Zhu et al. | Controllable microemulsion synthesis of hybrid TiO2–SiO2 hollow spheres and Au-doped hollow spheres with enhanced photocatalytic activity | |
| Liu et al. | Fluorine‐Free Synthesis of Well‐Dispersed Hollow TiO 2 Spheres via Ostwald Ripening: Process, Mechanism, and Photocatalytic Performance | |
| CN103331162B (en) | Mesoporous Co3O4/C composite material with high specific surface and crystallization hole wall and preparation method of material | |
| Yi et al. | Pluronic-P123-templated synthesis of silica with cubic Ia 3 d structure in the presence of micelle swelling agent | |
| Jordan et al. | Material’s design beyond lateral attachment: twin-controlled spatial branching of rutile TiO2 | |
| Petkovich et al. | Colloidal crystal templating approaches to materials with hierarchical porosity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20180114 |