CN104591301A - Preparation method of porous nano CoFe2O4 - Google Patents
Preparation method of porous nano CoFe2O4 Download PDFInfo
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- CN104591301A CN104591301A CN201510018222.0A CN201510018222A CN104591301A CN 104591301 A CN104591301 A CN 104591301A CN 201510018222 A CN201510018222 A CN 201510018222A CN 104591301 A CN104591301 A CN 104591301A
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Abstract
The invention discloses a preparation method of porous nano CoFe2O4. The method comprises the following steps: under the condition that the mass percentage of a ferric salt, a cobalt salt, alkali, deionized water, an organic solvent and a sublimable compound template is (0.001-70%):(0.00001-70%): (0.001-55%): (0.001-90%):(0.001-90%):(0.001-90%), reacting a mixed solution of the ferric salt and the cobalt salt with an alkali solution, and carrying out separation and purification on the obtained object so as to obtain a CoFe2O4 sol; and mixing the CoFe2O4 sol with the deionized water, carrying out ultrasonic dispersion on the obtained mixture, adding the organic solvent and the sublimable compound template, reacting by using a water-organic solvent mixed solvothermal method, distilling the obtained object so as to remove a mixed solvent, carrying out heat treatment on the obtained product so as to remove the sublimable compound template, and then sequentially cooling, grinding, washing, filtering, drying and grinding the obtained product, so that porous nano CoFe2O4 powder is obtained. The method is simple and feasible in process, small in investment, and beneficial for popularization and utilization.
Description
Technical field
The present invention relates to a kind of porous nano CoFe
2o
4preparation method, belong to field of photocatalytic material.
Background technology
Along with the quickening of process of industrialization, energy dilemma and ecocrisis are day by day serious, and the exploitation of renewable new forms of energy receives much concern.Sun power, as a kind of clean energy, is the energy that inexhaustible, nexhaustible, pollution-free, cheap, world community all can freely be utilized peacefully, be also various renewable energy source as other energy such as biomass energy, wind energy, sea energy, water energy this.National governments all attach great importance to the exploitation of renewable energy source, and renewable energy source is the hot research field that various countries invest energetically.
Photocatalyst is the semiconductor material that a class develops sun power indispensability.At present, of a great variety by the semiconductor light-catalyst of scientists study, as TiO
2, CdS, SrTiO
3, RuO
2, ZnO and Fe
2o
3deng.CoFe
2o
4as a based semiconductor photocatalyst, have that good stability, indissoluble, environmental friendliness, band gap are narrow, aboundresources and the feature such as application cost is low, especially time with other semiconductors coupling, effectively can improve photocatalytic activity, be one of good photocatalyst of application prospect.
The Structure and Properties of material is closely related, structures shape performance, and the controlled synthesis of material structure is the hot research direction of material science, is the important means preparing high performance material.Research report at present about nano material controllable method for preparing is a lot.Since the people such as Penner in 1987 propose the template synthesis method of nano material, technique is simple, easy to operate, low power consumption and other advantages because having for template, receives and pays close attention to widely.Utilizing template, shape and the controlled nano material of size can be obtained by changing the diameter of template and other processing parameter.At present for the preparation of the materials such as nanocrystalline, nano thin-film, semi-conductor, nanotube and nano wire, in field of nano material preparation, there is consequence, become the important means preparing high-performance nano material.
CoFe
2o
4nanometer and porous improve CoFe
2o
4one of effective ways of photocatalysis efficiency.Prepare porous nano CoFe
2o
4can adopt template, template mainly contains microemulsion template, emulsion template, ionogenic surfactant template, nonionic surface active agent template, block copolymer template, composition template (as polyoxyethylene lauryl ether and polyoxyethylene glycol) and monodisperse polymer particles template etc.By solgel reaction, CoFe
2o
4colloidal sol forms skeleton structure with secondary valence bond and template action, then takes solvent extration or high-temperature roasting method removing template, thus obtains the hole suitable with template size.But, use above-mentioned traditional Template preparation porous nano CoFe
2o
4time, be adopt roasting method or extraction process to remove template all to there is major defect.During roasting method removing template, because the temperature that will eliminate template is high, caving in of duct can be caused, make the porous nano CoFe made
2o
4semiconductor light-catalyst surface imperfection is too many, becomes the deathnium of electron-hole, reduces photocatalysis efficiency.Extraction rule is difficult to thoroughly eliminate template, makes porous nano CoFe
2o
4the purity drop of semiconductor light-catalyst, causes photocatalysis performance to decline.Therefore, how to prepare duct without caving in, surperficial zero defect, template noresidue and high-specific surface area porous nano CoFe
2o
4semiconductor light-catalyst is an important topic.
Easily remove because sublimate easily distils, therefore, the present invention is Template preparation CoFe by the compound adopting sublimation temperature suitable
2o
4colloidal sol, reheats and makes template distillation removing can obtain porous nano CoFe
2o
4.Compared with traditional template, the present invention adopt sublimate be template can prepare structure-controllable, duct without caving in, surperficial zero defect, template noresidue and the large porous nano CoFe of specific surface area
2o
4semiconductor light-catalyst.At present, about with sublimable compound for Template preparation porous nano CoFe
2o
4the method of semiconductor light-catalyst there is not yet bibliographical information, is porous nano CoFe
2o
4preparation open a new way, there is important practical significance.
Summary of the invention
A kind of porous nano CoFe of the present invention
2o
4preparation method, provide a kind of with molysite, cobalt salt, alkali, deionized water for raw material, prepare CoFe by stirring reaction
2o
4colloidal sol; CoFe
2o
4colloidal sol is after ultrasonic disperse, add organic solvent and sublimable compound masterplate according to a certain percentage, after the hot method reaction of water-organic solvent mixed solvent, product removes sublimable compound masterplate, cooling, washing, drying and grinding technics process through distillation removing mixed solvent, heat treated, namely obtains porous nano CoFe
2o
4.
A kind of porous nano CoFe of the present invention
2o
4preparation method, obtained porous nano CoFe
2o
4under visible ray and sunlight are the condition of light source, photocatalysis degradation organic contaminant and photocatalytic hydrogen production by water decomposition can be directly used in, also by the method with other semiconductors coupling, obtained active higher photocatalyst further, under visible ray and sunlight are the condition of light source, for photocatalysis degradation organic contaminant and photocatalytic hydrogen production by water decomposition;
A kind of porous nano CoFe of the present invention
2o
4preparation method, adopt following technical scheme:
1, by molysite, cobalt salt, alkali, deionized water, the mass percent of organic solvent and sublimable compound masterplate is (0.001% ~ 70%): (0.00001% ~ 70%): (0.001% ~ 55%): (0.001% ~ 90%): (0.001% ~ 90%): the ratio of (0.001% ~ 90%), by molysite, one meromict of cobalt salt and the total consumption of deionized water, stirring and dissolving obtains the mixing solutions of molysite and cobalt salt, second half of total to alkali and deionized water consumption is mixed, stirring and dissolving obtains alkaline solution, under stirring, the mixing solutions of molysite and cobalt salt is added dropwise in alkaline solution, drip rear continuation stirring reaction 1 ~ 24h, product through centrifugation and washing operation and in triplicate, centrifugation obtains CoFe again
2o
4colloidal sol, by CoFe
2o
4after the ratio that colloidal sol and the mass ratio of deionized water are 1: 2 ~ 10 mixes, be 20KHz ~ 1MHz by frequency, power is the ultrasonic wave dispersion 0.1h ~ 20h of 30W ~ 15KW, add organic solvent and sublimable compound masterplate, at 100 ~ 250 DEG C, 0.5 ~ 20h is reacted by water-hot method of organic solvent mixed solvent, product is after distillation removing mixed solvent, 400 ~ 800 DEG C are warmed up to by the heat-up rate of per minute 0.5 ~ 3 DEG C, heat treated 0.5 ~ 24h removes sublimable compound masterplate, again through cooling, grinding, washing, filter, drying and grinding technics process, namely porous nano CoFe is obtained
2o
4powder.
2, a kind of porous nano CoFe of the present invention
2o
4preparation method, its outstanding feature is: adopt the templates such as traditional microemulsion template, emulsion template, ionogenic surfactant template, nonionic surface active agent template, block copolymer template, composition template (as polyoxyethylene lauryl ether and polyoxyethylene glycol) and monodisperse polymer particles template, make CoFe by solgel reaction
2o
4colloidal sol forms skeleton structure with secondary valence bond and template action, when then taking solvent extration or high-temperature roasting method removing template, problems such as all there is major defect, caving in as caused duct, the low and template of surface imperfection, specific surface area is residual, reduces photocatalysis efficiency; Compared with traditional template, during with magnificent thing for template, sublimate easily distils and easily eliminates, and therefore, is Template preparation CoFe by the compound adopting sublimation temperature suitable
2o
4colloidal sol, reheats process removing sublimate, go template can obtain structure-controllable, duct without caving in, surperficial zero defect, template noresidue and the large porous nano CoFe of specific surface area
2o
4, be conducive to improving photocatalysis efficiency.
3, a kind of porous nano CoFe of the present invention
2o
4preparation method, the molysite reacting used is any one or more in iron trichloride, iron bromide, ferric sulfate, iron nitrate, ironic formiate, ironic acetate, ironic citrate and tartrate iron.
4, a kind of porous nano CoFe of the present invention
2o
4preparation method, the cobalt salt reacting used is any one or more in cobalt chloride, cobaltous bromide, rose vitriol, Jing Ti/Bao Pian COBALT NITRATE CRYSTALS/FLAKES, cobaltous formate, cobaltous acetate, citric acid cobalt and tartrate cobalt.
5, a kind of porous nano CoFe of the present invention
2o
4preparation method, the alkali reacting used is any one or more in lithium hydroxide, sodium hydroxide, potassium hydroxide, ammoniacal liquor and hydrated barta.
6, a kind of porous nano CoFe of the present invention
2o
4preparation method, the sublimable compound template of reacting used is any one or more in para benzoquinone, trimeric cyanamide, iodine, vulkacit H, camphor, anthraquinone, naphthalene, anthracene, trioxymethylene and triethylamine hydrochloride.
7, a kind of porous nano CoFe of the present invention
2o
4preparation method, the organic solvent reacting used is any one or more in methyl alcohol, ethanol, Virahol, ether, isopropyl ether, formic acid, acetic acid, methylene dichloride, chloroform, tetracol phenixin, acetone, pimelinketone, methyl ethyl ketone, benzene, toluene, methyl acetate, ethyl acetate, propyl acetate and isopropyl acetate.
8, a kind of porous nano CoFe of the present invention
2o
4preparation method, porous nano CoFe
2o
4preparation process in the frequency of ultrasonic disperser used be 20KHz ~ 1MHz, power is 30W ~ 15KW.
Embodiment
Here is a kind of porous nano CoFe of the present invention
2o
4the non-limiting example of preparation method.The providing of these examples is only used to the object illustrated, can not be interpreted as limitation of the invention.Because without departing from the spirit and scope of the present invention, many conversion can be carried out to the present invention.In these embodiments, unless stated otherwise, all per-cent all refers to mass percent.
Embodiment 1
Porous nano CoFe
2o
4preparation:
According to above-mentioned mass percent, by iron trichloride, iron bromide, rose vitriol, one meromict of cobaltous bromide and the total consumption of deionized water, stirring and dissolving obtains iron trichloride, iron bromide, the mixing solutions of rose vitriol and cobaltous bromide, second half of total to potassium hydroxide and deionized water consumption is mixed, stirring and dissolving obtains potassium hydroxide solution, by iron trichloride under stirring, iron bromide, the mixing solutions of rose vitriol and cobaltous bromide is added dropwise in potassium hydroxide solution, drip rear continuation stirring reaction 2h, product through centrifugation and washing operation and in triplicate, centrifugation obtains CoFe again
2o
4colloidal sol, by CoFe
2o
4after the ratio that colloidal sol and the mass ratio of deionized water are 1: 3 mixes, be 28KHz by frequency, power is the ultrasonic wave dispersion 1h of 2KW, add Virahol, benzene, after anthraquinone and vulkacit H, at 150 DEG C, 10h is reacted by water-hot method of organic solvent mixed solvent, product removes after desolventizing through distillation, 500 DEG C are warmed up to by the heat-up rate of per minute 1 DEG C, heat treated 10h at 500 DEG C, after removing anthraquinone and the sublimable compound masterplate of vulkacit H, again through cooling, grinding, washing, filter, drying and grinding technics process, namely porous nano CoFe is obtained
2o
4powder.
Embodiment 2
Porous nano CoFe
2o
4preparation:
According to above-mentioned mass percent, by iron nitrate, ironic formiate, one meromict of citric acid cobalt and Jing Ti/Bao Pian COBALT NITRATE CRYSTALS/FLAKES and the total consumption of deionized water, stirring and dissolving obtains iron nitrate, ironic formiate, the mixing solutions of citric acid cobalt and Jing Ti/Bao Pian COBALT NITRATE CRYSTALS/FLAKES, second half of total to sodium hydroxide and deionized water consumption is mixed, stirring and dissolving obtains sodium hydroxide solution, by iron nitrate under stirring, ironic formiate, the mixing solutions of citric acid cobalt and Jing Ti/Bao Pian COBALT NITRATE CRYSTALS/FLAKES is added dropwise in sodium hydroxide solution, drip rear continuation stirring reaction 3h, product through centrifugation and washing operation and in triplicate, centrifugation obtains CoFe again
2o
4colloidal sol, by CoFe
2o
4after the ratio that colloidal sol and the mass ratio of deionized water are 1: 4 mixes, with frequency be 68KHz, power be 3KW ultrasonic wave dispersion 2h, after adding ethanol, toluene, para benzoquinone and camphor, at 160 DEG C, 8h is reacted by water-hot method of organic solvent mixed solvent, product removes after desolventizing through distillation, 550 DEG C are warmed up to by the heat-up rate of per minute 0.5 DEG C, heat treated 8h at 550 DEG C, after removing para benzoquinone and the sublimable compound masterplate of camphor, again through cooling, grinding, washing, filtration, dry and grinding technics process, namely obtain porous nano CoFe
2o
4powder.
Embodiment 3
Porous nano CoFe
2o
4preparation:
According to above-mentioned mass percent, by ferric sulfate, ironic citrate, one meromict of cobalt chloride and cobaltous acetate and the total consumption of deionized water, stirring and dissolving obtains ferric sulfate, ironic citrate, the mixing solutions of cobalt chloride and cobaltous acetate, second half of lithium hydroxide and hydrated barta and the total consumption of deionized water is mixed, stirring and dissolving obtains lithium hydroxide and hydrated barta mixing solutions, by ferric sulfate under stirring, ironic citrate, the mixing solutions of cobalt chloride and cobaltous acetate is added dropwise in lithium hydroxide and hydrated barta mixing solutions, drip rear continuation stirring reaction 4h, product through centrifugation and washing operation and in triplicate, centrifugation obtains CoFe again
2o
4colloidal sol, by CoFe
2o
4after the ratio that colloidal sol and the mass ratio of deionized water are 1: 5 mixes, be 40KHz by frequency, power is the ultrasonic wave dispersion 2.5h of 1.5KW, add ethyl acetate, methyl ethyl ketone, acetone, naphthalene, after trioxymethylene and anthracene, at 170 DEG C, 6h is reacted by water-hot method of organic solvent mixed solvent, product removes after desolventizing through distillation, 600 DEG C are warmed up to by the heat-up rate of per minute 1.5 DEG C, heat treated 6h at 600 DEG C, removing naphthalene, after trioxymethylene and the sublimable compound masterplate of anthracene, again through cooling, grinding, washing, filter, drying and grinding technics process, namely porous nano CoFe is obtained
2o
4powder.
Embodiment 4
Porous nano CoFe
2o
4preparation:
According to above-mentioned mass percent, by a meromict of iron trichloride and rose vitriol and the total consumption of deionized water, stirring and dissolving obtains the mixing solutions of iron trichloride and rose vitriol, second half of total to sodium hydroxide and deionized water consumption is mixed, stirring and dissolving obtains sodium hydroxide solution, under stirring, the mixing solutions of iron trichloride and rose vitriol is added dropwise in sodium hydroxide solution, drip rear continuation stirring reaction 3.5h, through centrifugation and washing operation and in triplicate, then centrifugation obtains CoFe to product
2o
4colloidal sol; By CoFe
2o
4after the ratio that colloidal sol and the mass ratio of deionized water are 1: 4.5 mixes, with frequency be 50KHz, power be 2.5KW ultrasonic wave dispersion 1.5h, after adding ethanol and anthracene, at 180 DEG C, 5h is reacted by water-hot method of organic solvent mixed solvent, product removes after desolventizing through distillation, 700 DEG C are warmed up to by the heat-up rate of per minute 2 DEG C, heat treated 5h at 700 DEG C, after the sublimable compound masterplate of removing anthracene, again through cooling, grinding, washing, filtration, dry and grinding technics process, namely obtain porous nano CoFe
2o
4powder.
Claims (8)
1. a porous nano CoFe
2o
4preparation method, it is characterized in that: by molysite, cobalt salt, alkali, deionized water, the mass percent of organic solvent and sublimable compound masterplate is (0.001% ~ 70%): (0.00001% ~ 70%): (0.001% ~ 55%): (0.001% ~ 90%): (0.001% ~ 90%): the ratio of (0.001% ~ 90%), by molysite, one meromict of cobalt salt and the total consumption of deionized water, stirring and dissolving obtains the mixing solutions of molysite and cobalt salt, second half of total to alkali and deionized water consumption is mixed, stirring and dissolving obtains alkaline solution, under stirring, the mixing solutions of molysite and cobalt salt is added dropwise in alkaline solution, drip rear continuation stirring reaction 1 ~ 24h, product through centrifugation and washing operation and in triplicate, centrifugation obtains CoFe again
2o
4colloidal sol, by CoFe
2o
4after the ratio that colloidal sol and the mass ratio of deionized water are 1: 2 ~ 10 mixes, be 20KHz ~ 1MHz by frequency, power is the ultrasonic wave dispersion 0.1h ~ 20h of 30W ~ 15KW, add organic solvent and sublimable compound masterplate, at 100 ~ 250 DEG C, 0.5 ~ 20h is reacted by water-hot method of organic solvent mixed solvent, product is after distillation removing mixed solvent, 400 ~ 800 DEG C are warmed up to by the heat-up rate of per minute 0.5 ~ 3 DEG C, heat treated 0.5 ~ 24h removes sublimable compound masterplate, again through cooling, grinding, washing, filter, the technological processs such as drying and grinding, namely porous nano CoFe is obtained
2o
4powder.
2. preparation method as claimed in claim 1, is characterized in that porous nano CoFe
2o
4preparation method there is following features: adopt the templates such as traditional microemulsion template, emulsion template, ionogenic surfactant template, nonionic surface active agent template, block copolymer template, composition template (as polyoxyethylene lauryl ether and polyoxyethylene glycol) and monodisperse polymer particles template, make CoFe by solgel reaction
2o
4colloidal sol forms skeleton structure with secondary valence bond and template action, when then taking solvent extration or high-temperature roasting method removing template, problems such as all there is major defect, caving in as caused duct, the low and template of surface imperfection, specific surface area is residual, reduces photocatalysis efficiency; Compared with traditional template, during with magnificent thing for template, sublimate easily distils and easily eliminates, and therefore, is Template preparation CoFe by the compound adopting sublimation temperature suitable
2o
4colloidal sol, reheats process removing sublimate, go template can obtain structure-controllable, duct without caving in, surperficial zero defect, template noresidue and the large porous nano CoFe of specific surface area
2o
4, be conducive to improving photocatalysis efficiency.
3. preparation method as claimed in claim 1, it is characterized in that reacting molysite used is any one or more in iron trichloride, iron bromide, ferric sulfate, iron nitrate, ironic formiate, ironic acetate, ironic citrate and tartrate iron.
4. preparation method as claimed in claim 1, it is characterized in that reacting cobalt salt used is any one or more in cobalt chloride, cobaltous bromide, rose vitriol, Jing Ti/Bao Pian COBALT NITRATE CRYSTALS/FLAKES, cobaltous formate, cobaltous acetate, citric acid cobalt and tartrate cobalt.
5. preparation method as claimed in claim 1, it is characterized in that reacting alkali used is any one or more in lithium hydroxide, sodium hydroxide, potassium hydroxide, ammoniacal liquor and hydrated barta.
6. preparation method as claimed in claim 1, it is characterized in that reacting sublimable compound template used is any one or more in para benzoquinone, trimeric cyanamide, iodine, vulkacit H, camphor, anthraquinone, naphthalene, anthracene, trioxymethylene and triethylamine hydrochloride.
7. preparation method as claimed in claim 1, it is characterized in that reacting organic solvent used is any one or more in methyl alcohol, ethanol, Virahol, ether, isopropyl ether, formic acid, acetic acid, methylene dichloride, chloroform, tetracol phenixin, acetone, pimelinketone, methyl ethyl ketone, benzene, toluene, methyl acetate, ethyl acetate, propyl acetate and isopropyl acetate.
8. preparation method as claimed in claim 1, is characterized in that porous nano CoFe
2o
4preparation process in the frequency of ultrasonic disperser used be 20KHz ~ 1MHz, power is 30W ~ 15KW.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521789A (en) * | 2016-01-04 | 2016-04-27 | 南京林业大学 | Preparation method of porous nano-scale BiFeO3 |
| CN106830100A (en) * | 2017-02-27 | 2017-06-13 | 陕西科技大学 | A kind of bar-shaped cobalt ferrite powder and preparation method thereof |
| RU2649443C1 (en) * | 2017-04-19 | 2018-04-03 | Федеральное государственное бюджетное научное учреждение "Федеральный исследовательский центр "Красноярский научный центр Сибирского отделения Российской академии наук" (ФИЦ КНЦ СО РАН, КНЦ СО РАН) | Method for obtaining submicron cobalt(ii) ferrite |
| CN108400318A (en) * | 2018-01-16 | 2018-08-14 | 合肥国轩高科动力能源有限公司 | A kind of preparation method of cobaltosic oxide-di-iron trioxide composite oxides |
| CN109292829A (en) * | 2018-10-22 | 2019-02-01 | 安徽理工大学 | A kind of porous nano CoFe2O4The preparation method of nanoparticle |
| CN109650395A (en) * | 2019-02-28 | 2019-04-19 | 淮阴工学院 | The method that sublimed method prepares aerosil |
| CN110615691A (en) * | 2019-10-17 | 2019-12-27 | 马鞍山市鑫洋永磁有限责任公司 | Porous M-type strontium ferrite block and preparation method thereof |
| CN111450830A (en) * | 2020-04-26 | 2020-07-28 | 王二刚 | Nano CoFe2O4Oxygen reduction catalyst loaded with nitrogen-doped porous carbon and preparation method thereof |
| CN112958093A (en) * | 2021-02-05 | 2021-06-15 | 辽宁大学 | Cobalt ferrite photocatalyst with oxygen-containing defect and preparation method and application thereof |
| CN115445625A (en) * | 2022-09-22 | 2022-12-09 | 山东默夙生态有限公司 | Magnetic nano iron-lanthanum-cobalt oxide synthesized by ultrasonic wave assistance, and synthesis method and application thereof |
| CN116618051A (en) * | 2023-06-06 | 2023-08-22 | 中国计量大学 | Oxygen-defect-containing cobalt ferrite nanorod and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489318A (en) * | 2011-12-02 | 2012-06-13 | 南京林业大学 | Preparation method for porous nano p-CuS/n-CdS compound semiconductor photochemical catalyst |
| CN102515246A (en) * | 2011-12-02 | 2012-06-27 | 南京林业大学 | Preparation method of porous nano zinc oxide (ZnO) |
-
2015
- 2015-01-12 CN CN201510018222.0A patent/CN104591301B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489318A (en) * | 2011-12-02 | 2012-06-13 | 南京林业大学 | Preparation method for porous nano p-CuS/n-CdS compound semiconductor photochemical catalyst |
| CN102515246A (en) * | 2011-12-02 | 2012-06-27 | 南京林业大学 | Preparation method of porous nano zinc oxide (ZnO) |
Non-Patent Citations (1)
| Title |
|---|
| C. CANNAS,A. MUSINU,D. PEDDIS,G. PICCALUGA: "Synthesis and Characterization of CoFe2O4 Nanoparticles Dispersed in a Silica Matrix by a Sol-Gel Autocombustion Method", 《CHEM. MATER.》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105521789B (en) * | 2016-01-04 | 2019-05-14 | 南京林业大学 | A kind of porous nano BiFeO3Preparation method |
| CN105521789A (en) * | 2016-01-04 | 2016-04-27 | 南京林业大学 | Preparation method of porous nano-scale BiFeO3 |
| CN106830100A (en) * | 2017-02-27 | 2017-06-13 | 陕西科技大学 | A kind of bar-shaped cobalt ferrite powder and preparation method thereof |
| RU2649443C1 (en) * | 2017-04-19 | 2018-04-03 | Федеральное государственное бюджетное научное учреждение "Федеральный исследовательский центр "Красноярский научный центр Сибирского отделения Российской академии наук" (ФИЦ КНЦ СО РАН, КНЦ СО РАН) | Method for obtaining submicron cobalt(ii) ferrite |
| CN108400318A (en) * | 2018-01-16 | 2018-08-14 | 合肥国轩高科动力能源有限公司 | A kind of preparation method of cobaltosic oxide-di-iron trioxide composite oxides |
| CN109292829A (en) * | 2018-10-22 | 2019-02-01 | 安徽理工大学 | A kind of porous nano CoFe2O4The preparation method of nanoparticle |
| CN109650395A (en) * | 2019-02-28 | 2019-04-19 | 淮阴工学院 | The method that sublimed method prepares aerosil |
| CN110615691A (en) * | 2019-10-17 | 2019-12-27 | 马鞍山市鑫洋永磁有限责任公司 | Porous M-type strontium ferrite block and preparation method thereof |
| CN111450830A (en) * | 2020-04-26 | 2020-07-28 | 王二刚 | Nano CoFe2O4Oxygen reduction catalyst loaded with nitrogen-doped porous carbon and preparation method thereof |
| CN111450830B (en) * | 2020-04-26 | 2021-12-03 | 吉南 | Nano CoFe2O4Oxygen reduction catalyst loaded with nitrogen-doped porous carbon and preparation method thereof |
| CN112958093A (en) * | 2021-02-05 | 2021-06-15 | 辽宁大学 | Cobalt ferrite photocatalyst with oxygen-containing defect and preparation method and application thereof |
| CN112958093B (en) * | 2021-02-05 | 2023-09-15 | 辽宁大学 | Cobalt ferrite oxygen-containing defect photocatalyst, and preparation method and application thereof |
| CN115445625A (en) * | 2022-09-22 | 2022-12-09 | 山东默夙生态有限公司 | Magnetic nano iron-lanthanum-cobalt oxide synthesized by ultrasonic wave assistance, and synthesis method and application thereof |
| CN115445625B (en) * | 2022-09-22 | 2023-12-29 | 山东默同生态有限公司 | Magnetic nano iron-lanthanum-cobalt oxide synthesized by ultrasonic assistance and synthesis method and application thereof |
| CN116618051A (en) * | 2023-06-06 | 2023-08-22 | 中国计量大学 | Oxygen-defect-containing cobalt ferrite nanorod and preparation method and application thereof |
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