Method for preparing magnetic metal and alloy one dimension nanometer material

A technology of nanomaterials and magnetic metals, applied in the fields of information functional materials and biomedical materials, can solve the problems of increasing the length of nanowires or nanorods, and achieve the effects of simple process, less environmental pollution and less solvent

Inactive Publication Date: 2005-06-01
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Another growth mode is the layered growth of metal atoms on the working electrode. This growth mode can only form nanowires or nanorods. As the deposition time increases, the length of nanowires or nanorods increases.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A polycarbonate membrane with a pore size d=0.2 μm was used as a template. Immerse the polycarbonate film in a cyclohexane solution of 2% vinyltriethoxysilane for 5 minutes, and after drying, magnetron sputter a Cu layer with a thickness of about 50 nm on one side as the cathode in the two-electrode system, and the graphite pole plate as the cathode in the two-electrode system. anode. Electrodeposition solution composition: 0.02M FeSO 4 ·7H 2 O, 0.04M NiSO 4 ·6H 2 O, sodium lauryl sulfate 0.1g / l and thiourea 0.02g / l, with 0.05M H 3 BO 3 Adjust pH=5. At a temperature of 60°C, the deposition voltage was controlled at 2.0V, and the deposition time was 10 minutes. The polycarbonate film was dissolved, centrifuged and washed with ethanol, and dried in a vacuum oven to obtain Fe. x Ni 1-x Alloy array nanotubes.

Embodiment 2

[0029] A polycarbonate membrane with a pore size d=0.1 μm was used as a template. Immerse the polycarbonate film in a cyclohexane solution of 2% vinyltriethoxysilane for 5 minutes, and after drying, magnetron sputter a Cu layer with a thickness of about 50 nm on one side as the cathode in the two-electrode system, and the graphite pole plate as the cathode in the two-electrode system. anode. Electrodeposition solution composition: 0.02M FeSO 4 ·7H 2 O, 0.02M NiSO 4 ·6H 2 O, sodium lauryl sulfate 0.1g / l and thiourea 0.02g / l, with 0.05M H 3 BO 3 Adjust pH=5. At a temperature of 40°C, the deposition voltage was controlled at 5.0V, and the deposition time was 35 minutes. The polycarbonate film was dissolved, centrifuged, washed with ethanol, and dried in a vacuum oven to obtain Fe. x Ni 1-x Alloy Array Nanorods.

Embodiment 3

[0031] A polycarbonate membrane with a pore size d=0.1 μm was used as a template. Immerse the polycarbonate film in a cyclohexane solution of 2% vinyltriethoxysilane for 5 minutes, and after drying, magnetron sputter a Cu layer with a thickness of about 50 nm on one side as the cathode in the two-electrode system, and the graphite pole plate as the cathode in the two-electrode system. anode. Electrodeposition solution composition: 0.02M Fe(NO 3 ) 2 ·6H 2 O, 0.04M Ni(NO 3 ) 2 ·6H 2 O, sodium lauryl sulfate 0.1g / l and thiourea 0.02g / l, with 0.05M H 3 BO 3 Adjust pH = 2.0. At a temperature of 60°C, the deposition voltage was controlled at 2.0V, and the deposition time was 15 minutes. The polycarbonate film was dissolved, centrifuged and washed with ethanol, and dried in a vacuum oven to obtain Fe. x Ni 1-x Alloy array nanotubes.

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Abstract

The present invention is the preparation process of one-dimensional nanometer magnetic metal and alloy material, and relates to functional information material and biomedical material. The one-dimensional nanometer magnetic metal and alloy array material is prepared through utilizing porous polycarbonate or aluminan as template, regulating the metal ion concentration in electric deposited fluid, controlling the pH value and voltage of the depositing solution, assembling metal atoms into the processed template holes to form tubular or columnar structure, dissolving the template and centrifugally washing. Controlling the concentration of metal ions in the solution and other deposition factors can obtain two-component or multi-component alloy with different atom ratio. The prepared material has hollow structure and excellent soft magnetic performance and may be used in information storing and directional medicine releasing.

Description

technical field [0001] The invention relates to a method for preparing one-dimensional array nanomaterials of metals and alloys with magnetic properties, and relates to information functional materials and biomedical materials. Background technique [0002] With the development of nanotechnology, the nanonization of traditional functional materials enables them to have special optical, magnetic, electrical, and mechanical properties different from bulk materials, which can open up new fields of research and application. For example, magnetic metal and alloy nanotube materials have a tubular hollow structure, which can store drug particles and other media. Filling the magnetic metal and alloy nanotubes with drug ingredients and injecting them into the human body, due to the inherent magnetic properties of magnetic metals and alloys , under the action of an external magnetic field, through magnetic navigation, the nanotubes move to the lesion and release the drug ingredients, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/22
Inventor 曹传宝薛守洪
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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