CN116216786A - Ca with cube structure 5 Co 4 (VO4) 6 Method for producing materials - Google Patents
Ca with cube structure 5 Co 4 (VO4) 6 Method for producing materials Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title description 4
- 238000002360 preparation method Methods 0.000 claims abstract description 29
- 239000002243 precursor Substances 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000005406 washing Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims abstract description 9
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 9
- 150000003839 salts Chemical class 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims abstract description 8
- 239000011833 salt mixture Substances 0.000 claims description 16
- 238000001354 calcination Methods 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000035484 reaction time Effects 0.000 claims description 10
- 239000002994 raw material Substances 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 9
- 238000000227 grinding Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract 2
- 239000011575 calcium Substances 0.000 description 58
- 238000005303 weighing Methods 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 4
- 239000002086 nanomaterial Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 238000010532 solid phase synthesis reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229910001429 cobalt ion Inorganic materials 0.000 description 1
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000009766 low-temperature sintering Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/006—Compounds containing, besides cobalt, two or more other elements, with the exception of oxygen or hydrogen
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- 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
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- 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
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- 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
- C01P2004/38—Particle morphology extending in three dimensions cube-like
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
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- Organic Chemistry (AREA)
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- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention belongs to the technical field of inorganic nonmetallic material preparation, and provides Ca with a cube structure 5 Co 4 (VO 4 ) 6 Preparation method of material using Ca (OH) 2 、Co(NO 3 ) 2 ·6H 2 O and NH 4 VO 3 As raw material, naNO is prepared 3 Mixing and grinding the mixture with raw materials to obtain a precursor; heat treating the precursor at 450-550deg.C for 1-3 hr, and naturally cooling to obtain Ca 5 Co 4 (VO 4 ) 6 Washing the mixture with deionized water for several times to remove salt components, filtering, and drying to obtain Ca with cubic structure 5 Co 4 (VO 4 ) 6 A material. The preparation method of the invention can lead Ca to 5 Co 4 (VO 4 ) 6 The preparation temperature of the material is reduced, and the energy consumption is reduced; the obtained sample has high purity and good cubic particle dispersibility, and the particle size is 0.5-2 mu m; the preparation condition of the method is simple and controllable, and the operation process is simpleSimple and convenient, and is easy to realize large-scale production.
Description
Technical Field
The invention belongs to the technical field of inorganic nonmetallic material preparation, and in particular relates to Ca with a cube structure 5 Co 4 (VO 4 ) 6 A preparation method of the material.
Background
In general, micro-nano materialsThe material has a special structure on a microscopic scale, and compared with the traditional material, the micro-nano material has very small size, so that the micro-nano material is widely focused in the fields of catalysis, magnetism, electricity, optics, heat and the like. With the sustainable development of the micro-nano technology, micro-nano materials with special morphology, such as polyhedral, spherical, rod-shaped, sheet-shaped and other morphology materials, are widely applied to various industries of chemical industry, environment, medical treatment, semiconductors, aerospace and the like. For example, copper nanoparticles with cubic morphology have higher catalytic activity; the cubic nano calcium carbonate material has small particle size and uniform size, and has special performance in the application fields of rubber, paint, plastics and the like; the visible light catalytic activity of the cubic ferrous titanate is higher; cubic MnFe 2 O 4 The nano particles are novel adsorption materials and the like with good effect on sewage treatment containing organic pollutants and heavy metal ions.
Ca 5 Co 4 (VO 4 ) 6 The material is a vanadate material with a cubic garnet structure, and is disclosed in the document Low-temperature sintering and microwave dielectric properties of Ca 5 Co 4 (VO 4 ) 6 Ca is reported in ceramics 5 Co 4 (VO 4 ) 6 The material has microwave dielectric property, is a candidate material for low temperature co-fired ceramic (LTCC) technology, and has important significance and application value in the field of microwave dielectric ceramics. The morphology structure of the material has important influence on the physical and chemical properties, so the invention prepares micron-sized Ca with cube structure 5 Co 4 (VO 4 ) 6 The material has influence on the physical and chemical properties of the material and simultaneously expands Ca 5 Co 4 (VO 4 ) 6 The application prospect of the material in other fields provides possibility.
At present, the Ca is about at home and abroad 5 Co 4 (VO 4 ) 6 The preparation of the material adopts a solid phase method. The Ca is obtained by ball milling and mixing raw materials and calcining the raw materials at a high temperature for a long time 5 Co 4 (VO 4 ) 6 Powder, by this methodCa obtained by the method 5 Co 4 (VO 4 ) 6 The powder preparation temperature is higher and the microscopic morphology is irregular. In document "Influence of cobalt ions non-stoichiometry on the microstructure and microwave properties of Ca 5 Co 4 (VO 4 ) 6 In the ceramics ", after ball milling for 7 hours, corresponding powder can be obtained after calcination for 3 hours at 775 ℃. While Ca is prepared at low temperature and with a short preparation period 5 Co 4 (VO 4 ) 6 Materials have been reported only rarely. Therefore, under the conditions of low calcination temperature and short calcination time, ca with specific morphology is prepared 5 Co 4 (VO 4 ) 6 The material has very important significance.
The invention adopts a novel way to prepare Ca with a cubic structure 5 Co 4 (VO 4 ) 6 The material prepared by the method has the advantages of regular particle morphology, uniform particle size distribution, low preparation temperature and the like; the preparation method has the advantages of simple and controllable conditions, simple operation process and easy realization of large-scale production, so the preparation method has good application value.
Disclosure of Invention
The object of the present invention is to provide a Ca having a cubic structure 5 Co 4 (VO 4 ) 6 The preparation method of the material has the advantages of low preparation temperature, short time, simple process, reduced energy consumption and process cost, easy mass production, and capability of solving the problems of higher preparation temperature, longer preparation time, no fixed appearance of the product and the like of the existing method.
The technical scheme of the invention is as follows:
ca with cube structure 5 Co 4 (VO 4 ) 6 The material has a remarkable cubic structure, and the grain diameter of the material is 0.5-2 mu m.
Ca with cube structure 5 Co 4 (VO 4 ) 6 The preparation method of the material comprises the following steps:
(1) Precursor preparation: ca (OH) 2 、Co(NO 3 ) 2 ·6H 2 O、NH 4 VO 3 And NaNO 3 Uniformly mixing; wherein Ca (OH) 2 、Co(NO 3 ) 2 ·6H 2 O、NH 4 VO 3 、NaNO 3 The ratio of the amounts of the substances is 5:4:6: (60-90);
(2) Calcining: transferring the precursor obtained in the step (1) into a muffle furnace, performing heat treatment in air atmosphere, and naturally cooling to obtain Ca when the reaction time expires 5 Co 4 (VO 4 ) 6 -a salt mixture;
(3) Washing and drying: ca obtained in the step (2) is added 5 Co 4 (VO 4 ) 6 Washing the salt mixture with deionized water for several times to remove salt components, filtering, and drying to obtain Ca 5 Co 4 (VO 4 ) 6 A material.
Further, in the step (2), the heat treatment temperature is 450-550 ℃.
Further, in the step (2), the reaction time is 1-3h.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention adopts a novel preparation method to prepare Ca at a low temperature of 450 DEG C 5 Co 4 (VO 4 ) 6 Compared with the traditional solid phase method, the material needs a calcination temperature of about 800 ℃, and the method reduces the preparation temperature of the material and can reduce the production energy consumption.
2. Ca prepared by the invention 5 Co 4 (VO 4 ) 6 The material has cubic particle, particle size of 0.5-2 microns and excellent dispersivity.
3. The preparation method has the advantages of simple operation, easily controlled conditions, high purity of the obtained material, good crystal morphology and the like, and is easy to realize large-scale production.
Drawings
FIG. 1 is a cubic structure Ca prepared in example 1 5 Co 4 (VO 4 ) 6 XRD pattern of the material.
FIG. 2 is a cubic structure Ca prepared in example 1 5 Co 4 (VO 4 ) 6 Low magnification SEM images of the material.
FIG. 3 is a cubic structure Ca prepared in example 1 5 Co 4 (VO 4 ) 6 High magnification SEM images of the material.
Detailed Description
For a better understanding of the present invention, the following examples are set forth to illustrate the invention, but are not to be construed as limiting the invention.
Example 1
In terms of the ratio of the amounts of the substances (Ca (OH) 2 ：Co(NO3) 2 ·6H 2 O：NH 4 VO 3 ：NaNO 3 =5: 4:6:90 Respectively weighing Ca (OH) 2 、Co(NO 3 ) 2 ·6H 2 O、NH 4 VO 3 Taking NaNO with corresponding proportion as raw material 3 Mixing with the above raw materials, and grinding for 15min to obtain a precursor; transferring the obtained precursor into a muffle furnace, performing heat treatment under air atmosphere at 500 ℃ for 2h, and naturally cooling to obtain Ca after the reaction time expires 5 Co 4 (VO 4 ) 6 -a salt mixture; the Ca obtained above is used 5 Co 4 (VO 4 ) 6 Washing the salt mixture with deionized water for several times to remove salt components, filtering, and drying at 105deg.C for 3 hr to obtain Ca with cubic structure 5 Co 4 (VO 4 ) 6 A material.
Example 2
This embodiment differs from embodiment 1 in that: the calcination temperature is 450 ℃, and the specific preparation method is as follows:
in terms of the ratio of the amounts of the substances (Ca (OH) 2 ：Co(NO3) 2 ·6H 2 O：NH 4 VO 3 ：NaNO 3 =5: 4:6:90 Respectively weighing Ca (OH) 2 、Co(NO3) 2 ·6H 2 O、NH 4 VO 3 Taking NaNO with corresponding proportion as raw material 3 Mixing with the above raw materials, and grinding for 15min to obtain a precursor; transferring the obtained precursor into a muffle furnace, and cooling in airCarrying out heat treatment under atmosphere, wherein the heat treatment temperature is 450 ℃, the reaction time is 2 hours, and after the reaction time expires, the Ca is obtained after natural cooling 5 Co 4 (VO 4 ) 6 -a salt mixture; the Ca obtained above is used 5 Co 4 (VO 4 ) 6 Washing the salt mixture with deionized water for several times to remove salt components, filtering, and drying at 105deg.C for 3 hr to obtain Ca with cubic structure 5 Co 4 (VO 4 ) 6 A material.
Example 3
This embodiment differs from embodiments 1 and 2 in that: the calcination temperature is 550 ℃, and the specific preparation method is as follows:
in terms of the ratio of the amounts of the substances (Ca (OH) 2 ：Co(NO3) 2 ·6H 2 O：NH 4 VO 3 ：NaNO 3 =5: 4:6:90 Respectively weighing Ca (OH) 2 、Co(NO3) 2 ·6H 2 O、NH 4 VO 3 Taking NaNO with corresponding proportion as raw material 3 Mixing with the above raw materials, and grinding for 15min to obtain a precursor; transferring the obtained precursor into a muffle furnace, performing heat treatment under air atmosphere at 550 ℃ for 2h, and naturally cooling to obtain Ca after the reaction time expires 5 Co 4 (VO 4 ) 6 -a salt mixture; the Ca obtained above is used 5 Co 4 (VO 4 ) 6 Washing the salt mixture with deionized water for several times to remove salt components, filtering, and drying at 105deg.C for 3 hr to obtain Ca with cubic structure 5 Co 4 (VO 4 ) 6 A material.
Example 4
The main difference between this embodiment and embodiments 1-3 is that: the calcination time is 1h, and the specific preparation method is as follows:
in terms of the ratio of the amounts of the substances (Ca (OH) 2 ：Co(NO3) 2 ·6H 2 O：NH 4 VO 3 ：NaNO 3 =5: 4:6:90 Respectively weighing Ca (OH) 2 、Co(NO3) 2 ·6H 2 O、NH 4 VO 3 Taking the raw materials as the other pairNaNO in the corresponding proportion 3 Mixing with the above raw materials, and grinding for 15min to obtain a precursor; transferring the obtained precursor into a muffle furnace, performing heat treatment under air atmosphere at 500 ℃ for 1h, and naturally cooling to obtain Ca after the reaction time expires 5 Co 4 (VO 4 ) 6 -a salt mixture; the Ca obtained above is used 5 Co 4 (VO 4 ) 6 Washing the salt mixture with deionized water for several times to remove salt components, filtering, and drying at 105deg.C for 3 hr to obtain Ca with cubic structure 5 Co 4 (VO 4 ) 6 A material.
Example 5
The main difference between this embodiment and embodiments 1-4 is that: the calcination time is 3h, and the specific preparation method is as follows:
in terms of the ratio of the amounts of the substances (Ca (OH) 2 ：Co(NO3) 2 ·6H 2 O：NH 4 VO 3 ：NaNO 3 =5: 4:6:90 Respectively weighing Ca (OH) 2 、Co(NO3) 2 ·6H 2 O、NH 4 VO 3 Taking NaNO with corresponding proportion as raw material 3 Mixing with the above raw materials, and grinding for 15min to obtain a precursor; transferring the obtained precursor into a muffle furnace, performing heat treatment under air atmosphere at 500 ℃ for 3h, and naturally cooling to obtain Ca after the reaction time expires 5 Co 4 (VO 4 ) 6 -a salt mixture; the Ca obtained above is used 5 Co 4 (VO 4 ) 6 Washing the salt mixture with deionized water for several times to remove salt components, filtering, and drying at 105deg.C for 3 hr to obtain Ca with cubic structure 5 Co 4 (VO 4 ) 6 A material.
Example 6
The main difference between this embodiment and embodiments 1-5 is that: the ratio of the amounts of the materials of the raw materials was (Ca (OH) 2 ：Co(NO 3 ) 2 ·6H 2 O：NH 4 VO 3 ：NaNO 3 =5: 4:6:60. the preparation method comprises the following steps:
in terms of the ratio of the amounts of the substances (Ca (OH) 2 ：Co(NO 3 ) 2 ·6H 2 O：NH 4 VO 3 ：NaNO 3 =5: 4:6:60, weighing Ca (OH) respectively 2 、Co(NO3) 2 ·6H 2 O、NH 4 VO 3 Taking NaNO with corresponding proportion as raw material 3 Mixing with the above raw materials, and grinding for 15min to obtain a precursor; transferring the obtained precursor into a muffle furnace, performing heat treatment under air atmosphere at 500 ℃ for 2h, and naturally cooling to obtain Ca after the reaction time expires 5 Co 4 (VO 4 ) 6 -a salt mixture; the Ca obtained above is used 5 Co 4 (VO 4 ) 6 Washing the salt mixture with deionized water for several times to remove salt components, filtering, and drying at 105deg.C for 3 hr to obtain Ca with cubic structure 5 Co 4 (VO 4 ) 6 A material.
FIG. 1 is Ca prepared in example 1 5 Co 4 (VO 4 ) 6 The XRD spectrum of the material shows that the diffraction peak is high and no impurity peak appears, thus indicating that Ca with high crystallinity is generated 5 Co 4 (VO 4 ) 6 Ca 5 Co 4 (VO 4 ) 6 A material.
FIGS. 2 and 3 show Ca prepared in example 1 5 Co 4 (VO 4 ) 6 SEM images of different multiples of the material, from which it can be seen that Ca having a cubic structure is obtained 5 Co 4 (VO 4 ) 6 The grain size of the material is 0.5-2 mu m.
The foregoing has shown and described the basic principles, principal features of the invention. However, the above embodiments are merely examples of the present invention, and the technical features of the present invention are not limited thereto, and all changes and modifications made within the scope of the present invention should be covered by the present invention.
Claims (2)
1. Ca with cube structure 5 Co 4 (VO 4 ) 6 The material is characterized in that the Ca 5 Co 4 (VO 4 ) 6 The material has a remarkable cubic structure with a particle size of 0.5-2 μm.
2. The Ca having a cubic structure as set forth in claim 1 5 Co 4 (VO 4 ) 6 The preparation method of the material is characterized by comprising the following steps:
(1) Precursor preparation: ca (OH) 2 、Co(NO 3 ) 2 ·6H 2 O、NH 4 VO 3 And NaNO 3 Uniformly mixing; wherein Ca (OH) 2 、Co(NO 3 ) 2 ·6H 2 O、NH 4 VO 3 、NaNO 3 The ratio of the amounts of the substances is 5:4:6: (60-90);
(2) Calcining: transferring the precursor obtained in the step (1) into a muffle furnace, performing heat treatment at 450-550 ℃ for 1-3h under air atmosphere, and naturally cooling after the reaction time expires to obtain Ca 5 Co 4 (VO 4 ) 6 -a salt mixture;
(3) Washing and drying: ca obtained in the step (2) is added 5 Co 4 (VO 4 ) 6 Washing the salt mixture with deionized water for several times to remove salt components, filtering, and drying to obtain Ca 5 Co 4 (VO 4 ) 6 A material.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640152A (en) * | 2018-06-01 | 2018-10-12 | 大连理工大学 | One kind having one-dimensional micro-nanometer stick LiMgVO4Material and preparation method |
| CN112830515A (en) * | 2021-01-19 | 2021-05-25 | 大连理工大学 | NaMg with octahedral structure4V3O12Method for producing a material |
| CN115108585A (en) * | 2022-06-14 | 2022-09-27 | 大连理工大学 | Rod-shaped Li 2 Mg 2 (MoO 4 ) 3 Material and method for the production thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640152A (en) * | 2018-06-01 | 2018-10-12 | 大连理工大学 | One kind having one-dimensional micro-nanometer stick LiMgVO4Material and preparation method |
| CN112830515A (en) * | 2021-01-19 | 2021-05-25 | 大连理工大学 | NaMg with octahedral structure4V3O12Method for producing a material |
| CN115108585A (en) * | 2022-06-14 | 2022-09-27 | 大连理工大学 | Rod-shaped Li 2 Mg 2 (MoO 4 ) 3 Material and method for the production thereof |
Non-Patent Citations (1)
| Title |
|---|
| 彭康亮等: "熔盐法制备Ca5Mg4(VO4)6 绿色荧光粉及其发光性能研究", 《硅酸盐通报》, pages 969 - 973 * |
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