Preparation method of nickel-iron cyanide molecular magnet nano particle

A molecular magnet and nanoparticle technology, applied in the field of magnetic nanomaterials, can solve the problems of difficult reaction control and uneven product particle diameter.

Inactive Publication Date: 2016-04-20
西安艾菲尔德复合材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for preparing nickel ferricyanide molecular magnet nanoparticles, which solves

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of preparation method of nickel ferricyanide molecular magnet nano-particle of the present invention, specifically implement according to the following steps:

[0021] Step 1, take raw materials, take by weighing NiCl according to the mass ratio of 1:2:3 2 ·6H 2 O, PVP water solution and K 3 Fe(CN) 6 , wherein the concentration of PVP aqueous solution is 20%;

[0022] Step 2, prepare K 3 Fe(CN) 6 aqueous solution, the K weighed in step 1 3 Fe(CN) 6 , added to deionized water to ensure K 3 Fe(CN) 6 fully dissolved;

[0023] Step 3, the NiCl that has been weighed in step 1 2 ·6H 2 O is added in the PVP aqueous solution, starts to stir, and treats that it dissolves completely;

[0024] Step 4, under the condition of vigorous stirring, slowly add the K prepared in step 2 dropwise to the mixed solution prepared in step 3 3 Fe(CN) 6 After the solution is added dropwise, keep stirring vigorously for 25 minutes. When the solution turns into a yellow, unifor...

Embodiment 2

[0026] A kind of preparation method of nickel ferricyanide molecular magnet nano-particle of the present invention, specifically implement according to the following steps:

[0027] Step 1, take the raw material, take NiCl according to the mass ratio of 1:5:4 2 ·6H 2 O, PVP water solution and K 3 Fe(CN) 6 , wherein the concentration of PVP aqueous solution is 35%;

[0028] Step 2, prepare K 3 Fe(CN) 6 aqueous solution, the K weighed in step 1 3 Fe(CN) 6 , added to deionized water to ensure K 3 Fe(CN) 6 fully dissolved;

[0029] Step 3, the NiCl that has been weighed in step 1 2 ·6H 2 O is added in the PVP aqueous solution, starts to stir, and treats that it dissolves completely;

[0030] Step 4, under the condition of vigorous stirring, slowly add the K prepared in step 2 dropwise to the mixed solution prepared in step 3 3 Fe(CN) 6 The solution was kept vigorously stirred for 40 minutes after the dropwise addition, and when the solution turned into a yellow, unif...

Embodiment 3

[0032] A kind of preparation method of nickel ferricyanide molecular magnet nano-particle of the present invention, specifically implement according to the following steps:

[0033] Step 1, take the raw material, take NiCl according to the mass ratio of 1:5:4 2 ·6H 2 O, PVP water solution and K 3 Fe(CN) 6 , wherein the concentration of PVP aqueous solution is 30%;

[0034] Step 2, prepare K 3 Fe(CN) 6 aqueous solution, the K weighed in step 1 3 Fe(CN) 6 , added to deionized water to ensure K 3 Fe(CN) 6 fully dissolved;

[0035] Step 3, the NiCl that has been weighed in step 1 2 ·6H 2 O is added in the PVP aqueous solution, starts to stir, and treats that it dissolves completely;

[0036] Step 4, under the condition of vigorous stirring, slowly add the K prepared in step 2 dropwise to the mixed solution prepared in step 3 3 Fe(CN) 6 After the solution is added dropwise, keep stirring vigorously for 30 minutes. When the solution turns into a yellow, uniform and sta...

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PUM

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Abstract

The invention discloses a preparation method of a nickel-iron cyanide molecular magnet nano particle. The preparation method comprises the following steps: step one, weighing raw materials; step two, preparing a K3Fe(CN)6 water solution: adding K3Fe(CN)6 weighed in the step one into deionized water, and completely dissolving K3Fe(CN)6; step three, adding NiCl2.6H2O weighed in the step one into a PVP water solution, and stirring to completely dissolve NiCl2.6H2O; step four, under fierce stirring, slowly dropwise adding the K3Fe(CN)6 solution prepared in the step two into the mixed solution prepared in the step three, and after the K3Fe(CN)6 solution is completely added, fiercely stirring the solution for 25 to 40 minutes until the solution is converted into yellow, uniform, and stable sol so as to obtain the nickel-iron cyanide molecular magnet nano particle. The provided method can solve the problems that in the conventional method, the reactions are difficult to control and the particle size of the product is uneven.

Description

technical field [0001] The invention belongs to the technical field of magnetic nanometer materials, and relates to a preparation method of nickel ferricyanide molecular magnet nanoparticles. Background technique [0002] In the past few decades, due to the special optical, electrical, magnetic, catalytic and other properties of magnetic nanoparticles, and have been widely used in many high-tech fields such as magnetic response devices, biomarkers, etc. The synthesis and research of magnetic nanoparticles has become a new hotspot. Several methods have been used to prepare Prussian blue complex molecular magnet nanoparticles, such as polymer coating method [17] and microemulsion method, among which the polymer coating method prevents the occurrence of copolymerization by adding organic polymers , so that not only the size of nanoparticles can be controlled, but also the reaction solution can be stabilized. When synthesized by this method, the polymer chain prevents the agglo...

Claims

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Application Information

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IPC IPC(8): B01J13/02H01F1/01B82Y40/00B82Y30/00
Inventor 齐海港
Owner 西安艾菲尔德复合材料科技有限公司
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