CN109961916A - A kind of core-shell structure copolymer magnetic nano-particle - Google Patents

A kind of core-shell structure copolymer magnetic nano-particle Download PDF

Info

Publication number
CN109961916A
CN109961916A CN201711399952.5A CN201711399952A CN109961916A CN 109961916 A CN109961916 A CN 109961916A CN 201711399952 A CN201711399952 A CN 201711399952A CN 109961916 A CN109961916 A CN 109961916A
Authority
CN
China
Prior art keywords
core
transition metal
shell
oxide
shell structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711399952.5A
Other languages
Chinese (zh)
Inventor
孟丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201711399952.5A priority Critical patent/CN109961916A/en
Publication of CN109961916A publication Critical patent/CN109961916A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/09—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials mixtures of metallic and non-metallic particles; metallic particles having oxide skin
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/33—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials mixtures of metallic and non-metallic particles; metallic particles having oxide skin
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention relates to a kind of core-shell structure copolymer magnetic nano-particles.The core-shell structure copolymer magnetic nano-particle of preparation includes core and a kind of shell of transition metal oxide of a kind of transition metal or oxide.This method can accurately control the size and shape of core-shell material, and core-shell structure copolymer magnetic nano-particle shows stable chemical property.

Description

A kind of core-shell structure copolymer magnetic nano-particle
Technical field
The present invention relates to a kind of core-shell structure copolymer magnetic nano-particles.
Background technique
The present invention relates to a kind of core-shell structure copolymer magnetic nano-particles.The core-shell structure copolymer magnetic nano-particle include a kind of transition metal or The core of person's oxide and a kind of shell of transition metal oxide.This method can accurately control the big of core-shell material Small and shape, and core-shell structure copolymer magnetic nano-particle shows stable chemical property.
Nano-particle material has new catalysis characteristics, electrology characteristic, magnetism and optical property, so by widely grinding Study carefully.Transition metal alloy with core-shell nanoparticles structure is especially noticeable, because they have unique magnetism And chemical property.Such as MgO@Fe2O3With CaO@Fe2O3, compared with pure MgO and CaO, substantially increase SO2Absorption, H2S removal With chlorocarbon degradation efficiency, the raising of catalyst performance is as caused by the interaction between catalyst core and shell.
Accurately control chemical component, structure, nanoparticle size and shape, remain one in solid nano Material Field A challenge.Ideal structure shows ideal performance, these characteristics include high-coercive force, small domain wall width, minimum stable crystalline substance Particle size, big magnetic anisotropy and chemical stability.It is received particularly with the core-shell structure copolymer magnetism containing transition metal or oxide Rice corpuscles is even more important.Therefore, it is necessary to propose effective technical solution, solve the above problems.
Summary of the invention
The present invention in view of the above shortcomings of the prior art, provides a kind of core-shell structure copolymer magnetic nano-particle.The core-shell structure copolymer magnetism is received Rice corpuscles includes core and a kind of shell of transition metal oxide of a kind of transition metal or oxide.
The technical scheme to solve the above technical problems is that
A kind of core-shell structure copolymer magnetic nano-particle, which is characterized in that the core-shell structure copolymer magnetic nano-particle includes a kind of transition metal Or a kind of core and the shell of transition metal oxide of oxide.
Preferably, the core of a kind of described transition metal or oxide is Co, Fe, Fe2O3、Fe3O4、FeO、CoO、 Gd2O3、CrO2One of with NiO.
Preferably, the shell of the transition metal oxide is Fe2O3Or one of CoO.
Preferably, the kernel size of a kind of described transition metal or oxide is 5-10 nanometers.
Preferably, the shell of the transition metal oxide with a thickness of 3-5 nanometers.
The utility model has the advantages that
Core-shell structure copolymer magnetic nano-particle in the present invention includes the core of a kind of transition metal or oxide, and a kind of The shell of transition metal oxide.This method can accurately control the size and shape of core-shell material, and core-shell structure copolymer is magnetic Nanoparticle shows stable chemical property.
Specific embodiment
The present invention provides a kind of core-shell structure copolymer magnetic nano-particle.The core-shell structure copolymer magnetic nano-particle include a kind of transition metal or The core of person's oxide and a kind of shell of transition metal oxide.
As an embodiment of the present invention, the core of a kind of described transition metal or oxide be Co, Fe, Fe2O3、Fe3O4、FeO、CoO、Gd2O3、CrO2One of with NiO.
As an embodiment of the present invention, the shell of the transition metal oxide is Fe2O3Or one of CoO.
As an embodiment of the present invention, the kernel size of a kind of described transition metal or oxide is received for 5-10 Rice.
As an embodiment of the present invention, the shell of the transition metal oxide with a thickness of 3-5 nanometers.
Core-shell structure copolymer magnetic nano-particle in the present invention includes the core of a kind of transition metal or oxide, and a kind of The shell of transition metal oxide.This method can accurately control the size and shape of core-shell material, and core-shell structure copolymer is magnetic Nanoparticle shows stable chemical property.
The present invention can be summarized with others without prejudice to the concrete form of spirit or essential characteristics of the invention.Therefore, nothing By from the point of view of which point, the embodiment above of the invention can only all be considered the description of the invention and cannot limit this hair Bright, claims indicate the scope of the present invention, and above-mentioned explanation does not point out the scope of the present invention, therefore, with this Any change in the comparable meaning and scope of claims of invention is all considered as including in claim of the invention In the range of book.

Claims (5)

1. a kind of core-shell structure copolymer magnetic nano-particle, which is characterized in that the core-shell structure copolymer magnetic nano-particle include a kind of transition metal or The core of person's oxide and a kind of shell of transition metal oxide.
2. the core of a kind of transition metal as described in claim 1 or oxide, which is characterized in that a kind of transition The core of metal or oxide is Co, Fe, Fe2O3、Fe3O4、FeO、CoO、Gd2O3、CrO2One of with NiO.
3. the shell of transition metal oxide as described in claim 1, which is characterized in that the transition metal oxide Shell is Fe2O3Or one of CoO.
4. the core of a kind of transition metal or oxide as described in claim 1 and 2, which is characterized in that described one kind The kernel size of transition metal or oxide is 5-10 nanometers.
5. the shell of the transition metal oxide as described in claim 1 and 3, which is characterized in that the transiting metal oxidation The shell of object with a thickness of 3-5 nanometers.
CN201711399952.5A 2017-12-22 2017-12-22 A kind of core-shell structure copolymer magnetic nano-particle Pending CN109961916A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711399952.5A CN109961916A (en) 2017-12-22 2017-12-22 A kind of core-shell structure copolymer magnetic nano-particle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711399952.5A CN109961916A (en) 2017-12-22 2017-12-22 A kind of core-shell structure copolymer magnetic nano-particle

Publications (1)

Publication Number Publication Date
CN109961916A true CN109961916A (en) 2019-07-02

Family

ID=67018844

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711399952.5A Pending CN109961916A (en) 2017-12-22 2017-12-22 A kind of core-shell structure copolymer magnetic nano-particle

Country Status (1)

Country Link
CN (1) CN109961916A (en)

Similar Documents

Publication Publication Date Title
Tadic et al. Magnetic properties of hematite (α-Fe2O3) nanoparticles prepared by hydrothermal synthesis method
Radmanesh et al. Synthesis and magnetic properties of hard/soft SrFe12O19/Ni0. 7Zn0. 3Fe2O4 nanocomposite magnets
Tartaj et al. Synthesis of nanomagnets dispersed in colloidal silica cages with applications in chemical separation
Muscas et al. Magnetic properties of small magnetite nanocrystals
Tan et al. Room-temperature soft magnetic iron oxide nanocrystals: synthesis, characterization, and size-dependent magnetic properties
Cui et al. Facile synthesis of cobalt ferrite submicrospheres with tunable magnetic and electrocatalytic properties
Tajabadi et al. Effect of alkaline media concentration and modification of temperature on magnetite synthesis method using FeSO4/NH4OH
Bala et al. Cobalt and magnesium ferrite nanoparticles: preparation using liquid foams as templates and their magnetic characteristics
CN105057657B (en) Soft-hard magnetic MnBi/SiO2/ FeCo nano particle
US20130052140A1 (en) Fe3o4/tio2 composite nano-particle, its preparation and application in magnetic resonance imaging contrast agents
Rashad et al. Structural, microstructure and magnetic properties of strontium hexaferrite particles synthesised by modified coprecipitation method
Mozaffari et al. The effect of cobalt substitution on magnetic hardening of magnetite
JP4853769B2 (en) Magnetic silica particles and method for producing the same
Qi et al. Study of self-assembly of octahedral magnetite under an external magnetic field
CN105855539B (en) CoFe for photocatalysis field2Core CoFe2O4Construction method of shell layer nano structure
Wang et al. Rheological performances and enhanced sedimentation stability of mesoporous Fe3O4 nanospheres in magnetorheological fluid
Das et al. Nanostructures synthesized by the reverse microemulsion method and their magnetic properties
Wu et al. Synthesis of magnetic hollow silica using polystyrene bead as a template
CN104493192A (en) Micron-sized ultrafine iron powder preparation method
CN105081342B (en) Prepare soft-hard magnetic FeCo/SiO with Magnetic guidance form2The method of/MnBi nano particles
CN108455682B (en) Water-based Fe3O4Preparation method of nano powder
Amrillah All Shapes and Phases of Nanometer-Sized Iron Oxides Made from Natural Sources and Waste Material via Green Synthesis Approach: A Review
CN101885512A (en) Hydrothermal synthesis process of magnetic ferroferric oxide nanometer ultrafine particles in non-N2 atomosphere
CN109961916A (en) A kind of core-shell structure copolymer magnetic nano-particle
JP2011236086A (en) Method for producing magnetite nano-particle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190702

WD01 Invention patent application deemed withdrawn after publication