CN108906065A - A kind of Nd doping LaFeO3The preparation method of nano particle - Google Patents
A kind of Nd doping LaFeO3The preparation method of nano particle Download PDFInfo
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- CN108906065A CN108906065A CN201810749728.2A CN201810749728A CN108906065A CN 108906065 A CN108906065 A CN 108906065A CN 201810749728 A CN201810749728 A CN 201810749728A CN 108906065 A CN108906065 A CN 108906065A
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- lafeo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/83—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
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Abstract
The present invention provides a kind of Nd doping LaFeO3The preparation method of nano particle, which is characterized in that including step：Molysite, neodymium salt and lanthanum nitrate are dissolved in acetic acid and ethylene glycol monomethyl ether mixed solution, citric acid is added, stirring is until becoming gel under 60~80 DEG C of ultrasonic environments, it is put into 120~150 DEG C of baking ovens and dries after still aging 12 hours, the powder after drying is put into 700~800 DEG C of Muffle kiln roastings and obtains within 3~6 hours Nd doping LaFeO3Nanoparticle powder.Raw material of the present invention is cheap, uses colloidal sols gelatin synthesizing method for full liquid-phase chemical reaction process, lower compared with the synthetic method energy consumption of high temperature solid-state, and element dose ratio controls more uniform, simple process, and the pattern of synthetic material, which controls, to be stablized.Products therefrom can be applied to gas sensor and environmental catalysis field.
Description
Technical field
The invention belongs to material chemistry technical fields, are related to a kind of Nd doping LaFeO3The preparation method of nano particle.
Background technique
As most representative perofskite type oxide material, LaFeO3It is gentle with stable structure, unique electromagnetism
The advantages such as quick property, heterogeneous catalysis ability protrusion, therefore in heterogeneous catalysis (especially environmental catalysis), electromagnetism and sensor etc.
Field is all widely studied and applied.LaFeO3Synthesis in solid state needs higher temperature, for needed when catalytic field into
The broken ball milling nanosizing of row.Element doping can reduce resistivity of material, promote catalytic activity, and the metallic elements such as Pb, Ca, Sr are all
It is common A doping.
Summary of the invention
The purpose of the present invention is to provide a kind of Nd to adulterate LaFeO3The preparation method of nano particle, which is characterized in that packet
Include step：Molysite, neodymium salt and lanthanum nitrate are dissolved in acetic acid and ethylene glycol monomethyl ether mixed solution, citric acid is added, 60~80 DEG C super
Stirring is put into 120~150 DEG C of baking ovens after still aging 12 hours and dries, after drying until becoming gel under sound wave environment
Powder is put into 700~800 DEG C of Muffle kiln roastings and obtains within 3~6 hours Nd doping LaFeO3Nanoparticle powder.
The molysite includes one of ferric nitrate, p-methyl benzenesulfonic acid iron or combinations thereof, 0.05~0.1mol/L of concentration, neodymium
Salt includes one of neodymium acetate, neodymium nitrate, and neodymium salt and nitric acid la concn summation are identical as iron salt concentration, and Nd: La atomic ratio is 1
: 99~10: 90.
The volume ratio 80: 20~90: 10 of acetic acid and ethylene glycol monomethyl ether, lemon in the acetic acid and ethylene glycol monomethyl ether mixed solution
0.5~1mol/L of lemon acid concentration.
Raw material of the present invention is cheap, uses colloidal sols gelatin synthesizing method for full liquid-phase chemical reaction process, compared with high temperature solid-state
Synthetic method energy consumption it is lower, element dose ratio controls more uniform, simple process, and the pattern of synthetic material, which controls, to be stablized.Institute
Obtaining product can be applied to gas sensor and environmental catalysis field.
The contents of the present invention and feature have revealed that as above, however the present invention that describes of front only briefly or pertains only to this
The specific part of invention, feature of the invention may be more than what content disclosed herein was related to.Therefore, protection model of the invention
The revealed content of embodiment should be not limited to by enclosing, and should include the combination of all the elements embodied in different piece, with
And it is various without departing substantially from replacement and modification of the invention, and covered by claims of the present invention.
Detailed description of the invention
Fig. 1 is to synthesize Nd using (embodiment 1) of the invention to adulterate LaFeO3The SEM photograph of nano particle.
Specific embodiment
Embodiment 1
0.05mol/L ferric nitrate, 0.005mol/L neodymium nitrate and 0.045mol/L lanthanum nitrate are dissolved in 85: 15 acetic acid and second
1mol/L citric acid is added in glycol methyl ether mixed solution, and stirring is until becoming gel under 60 DEG C of ultrasonic environments, and still aging 12
It is put into 150 DEG C of baking ovens and dries after hour, the powder after drying is put into 700 DEG C of Muffle kiln roastings and obtains within 6 hours as shown in Figure 1
Nd adulterates LaFeO3Nanoparticle powder.
Embodiment 2
0.1mol/L p-methyl benzenesulfonic acid iron, 0.001mol/L neodymium nitrate and 0.099mol/L lanthanum nitrate are dissolved in 85: 15 second
0.5mol/L citric acid is added in acid and ethylene glycol monomethyl ether mixed solution, and stirring is quiet until becoming gel under 70 DEG C of ultrasonic environments
It is put into 120 DEG C of baking ovens and dries after setting ageing 12 hours, the powder after drying is put into 800 DEG C of Muffle kiln roastings and obtains for 3 hours
Nd adulterates LaFeO3Nanoparticle powder.
Embodiment 3
0.05mol/L p-methyl benzenesulfonic acid iron, 0.002mol/L neodymium acetate and 0.048mol/L lanthanum nitrate are dissolved in 80: 20 second
0.5mol/L citric acid is added in acid and ethylene glycol monomethyl ether mixed solution, and stirring is quiet until becoming gel under 80 DEG C of ultrasonic environments
It is put into 120 DEG C of baking ovens and dries after setting ageing 12 hours, the powder after drying is put into 750 DEG C of Muffle kiln roastings and obtains for 5 hours
Nd adulterates LaFeO3Nanoparticle powder.
Embodiment 4
0.1mol/L ferric nitrate, 0.005mol/L neodymium acetate and 0.095mol/L lanthanum nitrate are dissolved in 90: 10 acetic acid and second
1mol/L citric acid is added in glycol methyl ether mixed solution, and stirring is until becoming gel under 70 DEG C of ultrasonic environments, and still aging 12
It is put into 120 DEG C of baking ovens and dries after hour, the powder after drying is put into 800 DEG C of Muffle kiln roastings and obtains within 5 hours Nd doping
LaFeO3Nanoparticle powder.
Claims (4)
1. a kind of Nd adulterates LaFeO3The preparation method of nano particle, which is characterized in that including step：By molysite, neodymium salt and nitric acid
Lanthanum is dissolved in acetic acid and ethylene glycol monomethyl ether mixed solution, and citric acid is added, and stirring is until becoming solidifying under 60~80 DEG C of ultrasonic environments
Glue is put into 120~150 DEG C of baking ovens after still aging 12 hours and dries, and the powder after drying is put into 700~800 DEG C of Muffle furnaces
Middle roasting obtains Nd doping LaFeO for 3~6 hours3Nanoparticle powder.
2. a kind of Nd adulterates LaFeO according to claim 13The preparation method of nano particle, it is characterised in that：The molysite
Including one of ferric nitrate, p-methyl benzenesulfonic acid iron or combinations thereof, 0.05~0.1mol/L of concentration, neodymium salt includes neodymium acetate, nitre
One of sour neodymium, neodymium salt and nitric acid la concn summation are identical as iron salt concentration, and Nd: La atomic ratio is 1: 99~10: 90.
3. a kind of Nd adulterates LaFeO according to claim 13The preparation method of nano particle, it is characterised in that：The acetic acid
With the volume ratio 80: 20~90: 10 of acetic acid in ethylene glycol monomethyl ether mixed solution and ethylene glycol monomethyl ether, citric acid concentration 0.5~
1mol/L。
4. a kind of Nd as described in claims 1 to 3 any one adulterates LaFeO3The Nd of the preparation method preparation of nano particle mixes
Miscellaneous LaFeO3Nano particle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810749728.2A CN108906065A (en) | 2018-07-02 | 2018-07-02 | A kind of Nd doping LaFeO3The preparation method of nano particle |
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| CN201810749728.2A CN108906065A (en) | 2018-07-02 | 2018-07-02 | A kind of Nd doping LaFeO3The preparation method of nano particle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346648A (en) * | 2018-12-24 | 2020-06-30 | 上海萃励电子科技有限公司 | Preparation method of Au-loaded lanthanum ferrite nanoparticles |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102341170A (en) * | 2009-03-02 | 2012-02-01 | 罗地亚经营管理公司 | Composition including a lanthanum perovskite on an alumina or aluminium oxyhydroxide substrate, preparation method and use in catalysis |
| CN105413697B (en) * | 2015-06-08 | 2017-07-21 | 太原理工大学 | The preparation method of magnetic rare earth barium ferrite nanometer cleaning catalyst |
| CN107376924A (en) * | 2017-07-17 | 2017-11-24 | 河北科技大学 | A kind of preparation method of multi-stage porous perovskite catalyst |
| CN108264638A (en) * | 2018-03-26 | 2018-07-10 | 合肥萃励新材料科技有限公司 | A kind of synthetic method of poly- naphthylamines load graphene |
-
2018
- 2018-07-02 CN CN201810749728.2A patent/CN108906065A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102341170A (en) * | 2009-03-02 | 2012-02-01 | 罗地亚经营管理公司 | Composition including a lanthanum perovskite on an alumina or aluminium oxyhydroxide substrate, preparation method and use in catalysis |
| CN105413697B (en) * | 2015-06-08 | 2017-07-21 | 太原理工大学 | The preparation method of magnetic rare earth barium ferrite nanometer cleaning catalyst |
| CN107376924A (en) * | 2017-07-17 | 2017-11-24 | 河北科技大学 | A kind of preparation method of multi-stage porous perovskite catalyst |
| CN108264638A (en) * | 2018-03-26 | 2018-07-10 | 合肥萃励新材料科技有限公司 | A kind of synthetic method of poly- naphthylamines load graphene |
Non-Patent Citations (1)
| Title |
|---|
| LI FA-TANG 等: "Preparation and Visible-Light Photocatalytic Activity of Nd-Doped LaFeO3 Nanopowders", 《纳米技术与精密工程》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346648A (en) * | 2018-12-24 | 2020-06-30 | 上海萃励电子科技有限公司 | Preparation method of Au-loaded lanthanum ferrite nanoparticles |
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Application publication date: 20181130 |