CN107935057A - It is a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template - Google Patents
It is a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template Download PDFInfo
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- CN107935057A CN107935057A CN201711158671.0A CN201711158671A CN107935057A CN 107935057 A CN107935057 A CN 107935057A CN 201711158671 A CN201711158671 A CN 201711158671A CN 107935057 A CN107935057 A CN 107935057A
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- oriental cherry
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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
- C01G51/04—Oxides; Hydroxides
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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
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
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- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
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Abstract
The invention discloses a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template, oriental cherry petal is washed with water and ethanol respectively, then with salt acid dip, it is dry after taking-up；Dried petal is scattered in the mixed solution of second alcohol and water；By CoCl2·6H2O is dissolved in the mixed solution of preparation, and taking-up natural air drying after repeatedly washing is spare from mixed solution after petal is impregnated；The product of preparation is moved into Muffle furnace and is heated, removes template after insulation.The present invention is using oriental cherry petal as template, CoCl2·6H2O is raw material, and preparation process is simple, easy to mass produce.Oriental cherry template have it is environmental-friendly, it is cheap, the advantages of being easily obtained, the problem of it is expensive to solve conventional mould, environmental pollution.
Description
Technical field
The invention belongs to technical field of nanometer material preparation, and in particular to one kind prepares cobalt oxide based on oriental cherry template is bionical
The method of nano-particle material.
Background technology
Transition metal oxide has excellent chemical property, wherein with Co3O4Performance it is especially prominent, it can be answered
For magnetic material, catalysis material, ion-exchanger, energy storage material and electrode material etc..When as electrode material in use, main
To be applied to electro-catalysis, electroanalysis, sensor, biology sensor and new energy materials etc..At present, electrostatic spinning, Hydrothermal Synthesiss,
How empty the methods of solvent heat and template be applied to prepare nanometer sheet, nano particle, nano flower, nano wire and nanometer
The Co of the different-shapes such as ball3O4Material.Because the size of transition metal oxide, shape and structure directly decide Material Physics
The quality of chemical property, so the field has become focus on research direction.At present, using new method low cost, simple preparation
The Co of different-shape3O4Material and study in it structure-activity relationship, this is still challenge and the opportunity of the field face.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing one kind is based on oriental cherry
The bionical method for preparing cobalt oxide nano-particle material of template, it is expensive for solving conventional mould, the problem of environmental pollution.
The present invention uses following technical scheme：
It is a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template, comprise the following steps：
S1, wash oriental cherry petal with water and ethanol respectively, then with salt acid dip, it is dry after taking-up；
The dried petals of step S1, be scattered in the mixed solution of second alcohol and water by S2；
S3, by CoCl2·6H2O is dissolved in the mixed solution of step S2 preparations, after petal is impregnated from mixed solution
It is spare to take out the natural air drying after repeatedly washing；
S4, move into product prepared by step S3 in Muffle furnace and heat, and removes template after insulation.
Specifically, in step S1, oriental cherry petal is fresh picking, is washed with deionized 5~7 times, ethanol washing 5~7
It is secondary, washed 1~3 time with ethanol after salt acid dip, dry 4~12h after being then washed with deionized to neutrality.
Further, in step S1, using 14~16h of salt acid dip of pH=2~3.
Further, drying temperature is 40~50 DEG C.
Specifically, in step S2, the proportionate relationship of petal and second alcohol and water is (9~27g)：(1~3L)：(5~15L).
Further, the volume ratio of water and ethanol is 5:1.
Specifically, in step S3, CoCl2·6H2The proportionate relationship of O and mixed solution is (1~3g)：(120~360ml).
Further, in step S3, wash 5~7 times, dip time is 96~144h, CoCl2·6H2O is AR grades, content
>99.0%.
Specifically, in step S4, the heating-up temperature of Muffle furnace is 600~650 DEG C, and soaking time is 2~10h.
Compared with prior art, the present invention at least has the advantages that：
The present invention is based on the bionical preparation Co of oriental cherry template3O4The method of nano-particle material, first uses water respectively by oriental cherry petal
Washed with ethanol, then with salt acid dip, drying after taking-up；Then dried petal is scattered in the mixed solution of second alcohol and water
In；Again by CoCl2·6H2O is dissolved in the mixed solution of preparation, and it is spare that the natural air drying after repeatedly washing is taken out after dipping；Most
The product of preparation is moved into Muffle furnace afterwards and is heated, removes template after insulation.
Further, in step S1, petal is repeatedly washed, is conducive to remove the dust of template surface, impurity and organic
Attachment.Follow-up pattern is replicated to avoid these pollutants and impurity and is had adverse effect on.
Further, petal is scattered in the mixed solution of second alcohol and water, can make pigment intracellular in petal and
Organic substance dissolution.
Further, in step S3, Co can be made by dipping2+Enter in the surface and internal cavities of petal, and by
Gradually deposit.Washing can make not deposit, unnecessary or combine unstable Co2+It is washed down and removes.
Further, in step S4, the petal after dipping is put into Muffle furnace and is heated, can make to be deposited on petal surface
Co in product internal gutter2+Reaction generation Co3O4。
In conclusion of the invention using oriental cherry petal as template, CoCl2·6H2O is raw material, and preparation process is simple, is easy to
Large-scale production.Oriental cherry template have it is environmental-friendly, it is cheap, the advantages of being easily obtained, conventional mould price can be solved
The problem of costliness, environmental pollution.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is the Co prepared in the embodiment of the present invention 13O4The SEM figures of nano-particle material.
Embodiment
The present invention is a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template, comprises the following steps：
S1, wash oriental cherry petal with water and ethanol respectively, then with salt acid dip, it is dry after taking-up；
Wherein, petal is fresh picking on flowering cherry, is washed with deionized 5~7 times, and ethanol washs 5~7 times, is used
Salt 14~16h of acid dip of pH=2, then washed 1~3 time with ethanol, then it is washed with deionized to neutrality, drying box is 40
~50 DEG C of dry 4~12h.
S2, the drying petal for weighing 0.09~0.27g, are scattered in the mixed solution of 60~180ml second alcohol and waters；
Wherein, the volume ratio of water and ethanol is 5:1, the proportionate relationship of petal and second alcohol and water is (9~27g)：(1~
3L)：(5~15L).
S3, the CoCl for weighing 0.5~1.5g2·6H2O is dissolved in the solution of step S2 preparations, is taken out after dipping through 5~7
Secondary washing, natural air drying are spare；CoCl2·6H2O and step S2 solution are (1~3g)：(120~360ml).
Wherein, dip time is 96~144h, CoCl2·6H2O is AR grades, content>99.0%.
S4, move into product prepared by step S3 in Muffle furnace and heat, and removes template after insulation.
Wherein, the heating-up temperature of Muffle furnace is 600~650 DEG C, and soaking time is 2~6h.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention being described and shown in usually here in attached drawing is real
Applying the component of example can be arranged and be designed by a variety of configurations.Therefore, the present invention to providing in the accompanying drawings below
The detailed description of embodiment be not intended to limit the scope of claimed invention, but be merely representative of the selected of the present invention
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, belongs to the scope of protection of the invention.
Embodiment 1
Will picking oriental cherry petal be washed with deionized respectively 5 times, ethanol wash 5 times, then the hydrochloric acid by petal pH=2
Middle dipping 14h, obtains nearly transparent petal.
Obtained petal is washed 1 time with ethanol again, then is washed with deionized to neutrality, is finally putting into forced air drying
Case, 40 DEG C of dry 4h, obtains dry petal samples.
The drying petal of 0.09g is weighed, is scattered in the mixed solution of 50ml water and 10ml ethanol.
Weigh 0.5g CoCl2·6H2O is dissolved in above-mentioned solution, and after impregnating 96h, 3 are washed with deionized after taking-up
It is secondary, natural air drying.
Obtained product is moved into Muffle furnace, is heated to 600 DEG C, 2h is kept the temperature, template is removed, obtains the SEM figures of sample,
As shown in Figure 1, the Co prepared3O4Nanoparticle size<50nm, and Size Distribution is narrow, is mainly distributed on 10~30nm.
Embodiment 2
Will picking oriental cherry petal be washed with deionized respectively 6 times, ethanol wash 6 times, then the salt by petal pH=2.5
15h is impregnated in acid, obtains nearly transparent petal.
Obtained petal is washed 1 time with ethanol again, then is washed with deionized to neutrality, is finally putting into forced air drying
Case, 45 DEG C of dry 8h, obtains dry petal samples.
The drying petal of 0.18g is weighed, is scattered in the mixed solution of 100ml water and 20ml ethanol.
Weigh 1.0g CoCl2·6H2O is dissolved in above-mentioned solution, and after impregnating 120h, 4 are washed with deionized after taking-up
It is secondary, natural air drying.
Obtained product is moved into Muffle furnace, is heated to 625 DEG C, 4h is kept the temperature, template is removed.
Embodiment 3
Will picking oriental cherry petal be washed with deionized respectively 7 times, ethanol wash 7 times, then the hydrochloric acid by petal pH=3
Middle dipping 16h, obtains nearly transparent petal.
Obtained petal is washed 1 time with ethanol again, then is washed with deionized to neutrality, is finally putting into forced air drying
Case, 50 DEG C of dry 12h, obtains dry petal samples.
The drying petal of 0.27g is weighed, is scattered in the mixed solution of 150ml water and 30ml ethanol.
Weigh 1.5g CoCl2·6H2O is dissolved in above-mentioned solution, after impregnating 144h, is repeatedly washed after taking-up, natural wind
It is dry.
Obtained product is moved into Muffle furnace, is heated to 650 DEG C, 10h is kept the temperature, template is removed.
Above content is merely illustrative of the invention's technical idea, it is impossible to protection scope of the present invention is limited with this, it is every to press
According to technological thought proposed by the present invention, any change done on the basis of technical solution, each falls within claims of the present invention
Protection domain within.
Claims (9)
- It is 1. a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template, it is characterised in that including following step Suddenly：S1, wash oriental cherry petal with water and ethanol respectively, then with salt acid dip, it is dry after taking-up；The dried petals of step S1, be scattered in the mixed solution of second alcohol and water by S2；S3, by CoCl2·6H2O is dissolved in the mixed solution of step S2 preparations, is taken out after petal is impregnated from mixed solution Natural air drying is spare after repeatedly washing；S4, move into product prepared by step S3 in Muffle furnace and heat, and removes template after insulation.
- 2. it is according to claim 1 a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template, its It is characterized in that, in step S1, oriental cherry petal is fresh picking, is washed with deionized 5~7 times, and ethanol washs 5~7 times, hydrochloric acid Washed 1~3 time with ethanol after dipping, dry 4~12h after being then washed with deionized to neutrality.
- 3. it is according to claim 2 a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template, its It is characterized in that, in step S1, using 14~16h of salt acid dip of pH=2~3.
- 4. it is according to claim 2 a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template, its It is characterized in that, drying temperature is 40~50 DEG C.
- 5. it is according to claim 1 a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template, its It is characterized in that, in step S2, the proportionate relationship of petal and second alcohol and water is (9~27g)：(1~3L)：(5~15L).
- 6. it is according to claim 5 a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template, its It is characterized in that, the volume ratio of water and ethanol is 5:1.
- 7. it is according to claim 1 a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template, its It is characterized in that, in step S3, CoCl2·6H2The proportionate relationship of O and mixed solution is (1~3g)：(120~360ml).
- 8. it is according to claim 7 a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template, its It is characterized in that, in step S3, washs 5~7 times, dip time is 96~144h, CoCl2·6H2O is AR grades, content>99.0%.
- 9. it is according to claim 1 a kind of based on the bionical method for preparing cobalt oxide nano-particle material of oriental cherry template, its It is characterized in that, in step S4, the heating-up temperature of Muffle furnace is 600~650 DEG C, and soaking time is 2~10h.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115465898A (en) * | 2022-09-19 | 2022-12-13 | 陕西红马科技有限公司 | Method for preparing hollow sphere cobaltosic oxide by bionic method |
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| CN103922382B (en) * | 2014-03-10 | 2015-11-04 | 苏州科技学院相城研究院 | The synthetic method of visible light-responded micro-nano classifying porous cerium oxide and application |
| CN105600837A (en) * | 2016-02-03 | 2016-05-25 | 天津大学 | Cobaltosic oxide-biological template composite material and application thereof |
| CN105600838A (en) * | 2016-02-03 | 2016-05-25 | 天津大学 | Synthesis method for loading cobaltosic oxide on butterfly wings as biological template and application thereof |
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| CN103922382B (en) * | 2014-03-10 | 2015-11-04 | 苏州科技学院相城研究院 | The synthetic method of visible light-responded micro-nano classifying porous cerium oxide and application |
| CN105600837A (en) * | 2016-02-03 | 2016-05-25 | 天津大学 | Cobaltosic oxide-biological template composite material and application thereof |
| CN105600838A (en) * | 2016-02-03 | 2016-05-25 | 天津大学 | Synthesis method for loading cobaltosic oxide on butterfly wings as biological template and application thereof |
Non-Patent Citations (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115465898A (en) * | 2022-09-19 | 2022-12-13 | 陕西红马科技有限公司 | Method for preparing hollow sphere cobaltosic oxide by bionic method |
| CN115465898B (en) * | 2022-09-19 | 2024-01-30 | 陕西红马科技有限公司 | Method for preparing hollow sphere cobaltosic oxide by using bionic method |
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Application publication date: 20180420 |