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Preparation method for zinc oxide nano particles

A zinc oxide nanometer and particle technology, which is applied in the field of preparation of zinc oxide nanoparticles, can solve the problems of complex synthesis process, increased labor consumption, difficult and easy control of conditions, etc., and achieves simple operation conditions, environmental protection, and easy conditions. control effect

Inactive Publication Date: 2012-08-01
LUOYANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the preparation methods of zinc oxide nanomaterials mainly include reverse micelle method, polymer template method, hydrothermal-solvothermal method, Gibbs membrane template method, sonochemical method, hydrothermal synthesis method, and microwave radiation method. , chemical vapor phase method, laser induction method, etc. The above methods have disadvantages such as complex synthesis process, difficult and easy control of conditions, serious environmental pollution, narrow application range, increased production cost, and increased labor consumption.

Method used

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Examples

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Comparison scheme
Effect test

preparation example Construction

[0026] A preparation method of zinc oxide nanoparticles, the steps are as follows:

[0027] Step 1. Take 1.7-25 parts by weight of zinc source, 20-30 parts of inorganic salt solution with concentration ≥ 0.01mol / L, add zinc source to the inorganic salt solution to dissolve zinc source, and obtain zinc source dispersion solution, spare;

[0028] Step 2, take 1-25 parts of carbonate solution by weight, 15-30 parts of inorganic salt solution with a concentration ≥ 0.01mol / L, add the carbonate solution to the inorganic salt solution, and mix uniformly to obtain Oxygen source dispersion solution, spare;

[0029] Step 3, take the oxygen source dispersion solution and the zinc source dispersion solution respectively, contain the oxygen source of 1 mole in the oxygen source dispersion solution of taking, contain the zinc source of 1 mole in the zinc source dispersion solution, mix the oxygen source dispersion solution and the zinc source Heat the dispersion solution to 70-80°C respe...

Embodiment 1

[0041] A preparation method of zinc oxide nanoparticles, comprising the steps of:

[0042] Step 1, take 1.7 parts of zinc sulfate by weight, 20 parts of sodium sulfate solution with a concentration of 0.01mol / L, add zinc sulfate to the sodium sulfate solution to dissolve the zinc sulfate, do not add the sodium sulfate solution to the zinc sulfate In the process, the zinc source dispersion solution was prepared for subsequent use;

[0043] Step 2: Take 1 part of sodium carbonate solution in parts by weight, 15 parts of sodium sulfate solution with a concentration of 0.01mol / L, add the sodium carbonate solution to the sodium sulfate solution, and mix evenly to prepare an oxygen source dispersion solution for future use ;

[0044] Step 3, take the oxygen source dispersion solution and the zinc source dispersion solution respectively, contain the oxygen source of 1 mole in the oxygen source dispersion solution of taking, contain the zinc source of 1 mole in the zinc source disper...

Embodiment 2

[0049] A preparation method of zinc oxide nanoparticles, comprising the steps of:

[0050] Step 1, get 5 parts of zinc sulfate by weight, 22 parts of sodium sulfate solution with a concentration of 0.02mol / L, add zinc sulfate to the sodium sulfate solution to dissolve zinc sulfate, do not add sodium sulfate solution to zinc sulfate In the process, the zinc source dispersion solution was prepared for subsequent use;

[0051] Step 2, take 5 parts by weight of potassium carbonate solution, 17 parts of sodium sulfate solution with a concentration of 0.02mol / L, add potassium carbonate solution to the sodium sulfate solution, mix well, and prepare the oxygen source dispersion solution, which is set aside ;

[0052] Step 3, take the oxygen source dispersion solution and the zinc source dispersion solution respectively, contain the oxygen source of 1 mole in the oxygen source dispersion solution of taking, contain the zinc source of 1 mole in the zinc source dispersion solution, mix ...

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Abstract

The invention discloses a preparation method for zinc oxide nano particles, relating to the preparation field of inorganic nonmetal nanometer materials. The preparation method includes the steps as follows; firstly preparing zinc source dispersion solution and oxygen source dispersion solution; adding the oxygen source dispersion solution in the zinc source dispersion solution under the conditionof 70-80 DEG C and the dropping time of the oxygen source dispersion solution is 90-120 minutes; reacting to generate white precipitates; later, conducting centrifugal separation on reactant to obtain precipitates; washing, centrifugating and drying the obtained precipitates by distilled water, water-ethanol mixed liquor and absolute ethyl alcohol in sequence; and roasting the obtained precipitates for 3-5 hours at the temperature of 350-470 DEG C to obtain the zinc oxide nano particles. The preparation method has low cost, recyclability, simple equipment, simple and easily-controlled operation conditions, no environment pollution, no toxicity and no harm, and is convenient to large-scale production.

Description

technical field [0001] The invention relates to a preparation method of inorganic non-metallic nanometer material, in particular to a preparation method of zinc oxide nanoparticle. Background technique [0002] Due to the small particle radius and large specific surface area, nano-zinc oxide has many novel physical and chemical properties compared with ordinary zinc oxide materials, so it has special properties and new uses that cannot be compared with ordinary zinc oxide materials. Nano-zinc oxide can be used for It is used in the fields of aerospace, electronics, metallurgy, chemistry, biology and environmental protection, and has a good application prospect. [0003] In recent years, due to the potential application value of nanomaterials in the fields of optics, electricity, magnetism and catalysis, it has attracted much attention. The zinc oxide material has the functions of shielding infrared, ultraviolet and sterilizing. It is favored in the fields of new photocontr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G9/02B82Y40/00
Inventor 吴海霞韩民乐辛凌云李召好李云平王利亚薛丽平
Owner LUOYANG NORMAL UNIV
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