CN102531067B - Solid state method for preparing zinc ferrite nanorods - Google Patents
Solid state method for preparing zinc ferrite nanorods Download PDFInfo
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- CN102531067B CN102531067B CN201210074265.7A CN201210074265A CN102531067B CN 102531067 B CN102531067 B CN 102531067B CN 201210074265 A CN201210074265 A CN 201210074265A CN 102531067 B CN102531067 B CN 102531067B
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- zinc ferrite
- nanorods
- solid state
- nanometer rod
- zinc
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Abstract
The invention discloses a method for preparing zinc ferrite nanorods. The method comprises the following steps of: mixing and grinding solid-state zinc acetate, ferrous chloride and oxalic acid to obtain a precursor; and calcining the precursor at 600DEG C for 2 hours to obtain one-dimensional zinc ferrite nanorods.
Description
Technical field
The present invention relates to a kind of method of preparing zinc ferrite nanometer rod by solid state reaction.
Background technology
Zinc ferrite (ZnFe
2o
4) be the composite oxides that a kind of Fe of take (III) oxide compound is main component, there is AB
2o
4spinel structure, belong to a kind of important spinel type wustite.Since 1930's, people just start it to study. at present along with people's going deep into its understanding, research in this respect has not only obtained considerable progress in theory, and as a kind of emerging functional materials, its range of application is in practice also increasingly extensive.Owing to thering is high desulfurization precision, high Sulfur capacity and high reaction activity, zinc ferrite has become the most representative complex metal oxides sweetening agent, its desulfurization rate and reproduction speed are all fast than zinc oxide, and after sulfuration, being easy to regenerate with air, steam, is a kind of efficient desulfurizing agent for high-temp gas of generally acknowledging; This compounds that it is found that oxygen vacancy the beginning of the nineties also has CO
2be reduced to the good catalytic performance .1996 of C, the researchs such as Li Xinyong find that oxygen vacancy zinc ferrite has good application prospect aspect control atmosphere pollution, can be CO in atmosphere
2, SO
2, NO
2conversion and utilization Deng material provide an effective approach, and in addition, as a kind of good catalyzer, it has been applied to the oxidative dehydrogenation of the synthetic and ethylbenzene of synthetic ammonia, F-T, butylene etc.; Because there is the features such as high resistivity, low magnetic coercive force, low eddy-current loss, high-curie temperature, so zinc ferrite is also a kind of soft magnetic material of excellent property, magnetic head materials, giant magnetic material and microwave magnetic material be can be used as, mutual inductance device, magnetic core bearing, transfer lever and magnetic recording material have been widely used at present; In absorbing material field, zinc ferrite is also a kind of important wave absorbing agent, can be applicable to the development of stealth material; The transparent inorganic pigment of ultra-fine zinc ferrite particle or a kind of excellent property, has the features such as heat-resisting, fast light and antirust; In addition it is found that it also has good gas-sensitive property; In recent years, researchist finds that zinc ferrite nanoparticle has stronger antibacterial effect, particularly evident to the sterilization effect of the bacteriums such as staphylococcus, withered grass bacterium and colibacillus.In addition, because the size of nanometer particle is less, the separation surface of its crystal grain is in neither long-range order, the height state of disarray of non-short range order again, this just makes it produce the surface effects that bulk material does not have, small-size effect, quantum effect and macro quanta tunnel effect, show that it has the physical propertiess such as the light different with conventional material, heat, electricity, magnetic, thereby arouse great concern.
The performance of material and its pattern, structure have much relations, and by the relation of research performance and pattern, we can be further from going to inquire into various reaction mechanisms, and the zinc ferrite of therefore preparing different-shape has very important effect.Wherein monodimension nanometer material receives more and more people's concern because of its various special propertys.
The preparation of zinc ferrite nanometer rod and performance study are large focal spots in current nanotechnology research field.At present, the method for preparing zinc ferrite nanometer rod mainly comprises thermal decomposition method under hydro-thermal or solvent thermal condition, in conjunction with the microemulsion method of calcining or coprecipitation method, electrospinning etc.Solid state chemistry synthesis method is not used solvent, has highly selective, high yield, simple technological process and other advantages, has become a kind of important method of nano materials.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of zinc ferrite nanometer rod, do not using under the prerequisite of any tensio-active agent, utilize solid state reaction technique to prepare zinc ferrite nanometer rod by the control of calcination process temperature, for zinc ferrite nanometer rod synthetic provides a kind of simpler preparation method.
For the present invention, solid-state zinc acetate, iron protochloride and oxalic acid, as reactant, at room temperature synthesize presoma by grinding, and then thermolysis makes the monodimension nano stick being formed by nano particle accumulation.
The present invention does not use any tensio-active agent, uses process for solid phase synthesis to realize the synthetic, simple to operate, with low cost of zinc ferrite nanometer rod, and environmental friendliness, for the preparation of zinc ferrite nanometer rod provides a kind of new thinking.
accompanying drawing explanation
Fig. 1 is the powder diagram of prepared sample;
Fig. 2 is the scanning electron microscope (SEM) photograph of prepared zinc ferrite nanometer rod;
Fig. 3 is the transmission electron microscope picture of prepared zinc ferrite nanometer rod.
embodimentaccurately weigh 0.01 mol zinc acetate and 0.02 mol iron protochloride in different mortars, porphyrize mixing respectively, the oxalic acid that adds subsequently 0.03 mol porphyrize, after mixing, grind fast, along with the carrying out of grinding, mixture becomes the thick of yellow, and be attended by tart flavour and produce, continue to grind and within 40 minutes, to guarantee fully carrying out of reaction, with distilled water wash, suction filtration, naturally dry, obtain required presoma.Presoma is placed in to retort furnace, with the temperature rise rate of 5 ℃/min, rises to 600 ℃, this temperature calcining 2 hours, can obtain piling up in a certain direction by zinc ferrite nano particle the monodimension nano stick forming.
Claims (1)
1. the preparation method of a zinc ferrite nanometer rod, it is characterized in that in the situation that there is no tensio-active agent, mixed in molar ratio by solid-state zinc acetate, iron protochloride and oxalic acid with 1: 2: 3, directly grind and obtain presoma, presoma is placed in to retort furnace, temperature rise rate with 5 ℃/min rises to 600 ℃, this temperature calcining 2 hours, obtains being piled up in a certain direction by zinc ferrite nano particle the zinc ferrite nanometer rod of the one dimension forming.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210074265.7A CN102531067B (en) | 2012-03-20 | 2012-03-20 | Solid state method for preparing zinc ferrite nanorods |
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| CN201210074265.7A CN102531067B (en) | 2012-03-20 | 2012-03-20 | Solid state method for preparing zinc ferrite nanorods |
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| CN102531067A CN102531067A (en) | 2012-07-04 |
| CN102531067B true CN102531067B (en) | 2014-04-09 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274474B (en) * | 2013-06-06 | 2015-03-11 | 吉林大学 | Rod-shaped zinc ferrite and its preparation method |
| CN103601238B (en) * | 2013-11-07 | 2016-06-08 | 昆明理工大学 | A kind of microwave-assisted solid-state reaction method prepares the TiO of doping iron2The method of powder body |
| CN104085930B (en) * | 2014-06-30 | 2015-11-18 | 陕西师范大学 | A kind of preparation method of bigger serface porous flake zinc ferrite |
| CN106745302B (en) * | 2017-02-27 | 2018-07-27 | 陕西科技大学 | A kind of coralloid zinc ferrite powder of three-dimensional network and preparation method thereof |
| CN115893504A (en) * | 2022-01-10 | 2023-04-04 | 中南大学 | Microwave-assisted preparation method of magnetic zinc ferrite |
| CN116903254B (en) * | 2023-07-24 | 2024-03-08 | 吉林省一米阳光医疗器械科技有限公司 | Anti-biological adhesion functional glass ceramic material and preparation method and application thereof |
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| DE3411215A1 (en) * | 1984-03-27 | 1985-10-10 | Basf Ag, 6700 Ludwigshafen | METHOD FOR PRODUCING TRANSPARENT GOLD-YELLOW, TEMPERATURE-STABLE TWO-PHASE PIGMENTS OF THE GENERAL FORMULA XZNO.ZNFE (DOWN ARROW) 2 (DOWN ARROW) O (DOWN ARROW) 4 (DOWN ARROW) |
| CN100415653C (en) * | 2005-03-24 | 2008-09-03 | 上海大学 | Prepn process of nanometer spinel type ZnFe2O4 |
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