Method for preparing ferroferric oxide nano-piece through microwave method

A technology of ferric oxide and nanosheets is applied in the field of nanomaterials, which can solve the problems of high cost and complicated preparation process, and achieve the effects of short reaction time, simple synthesis route and high purity.

Inactive Publication Date: 2010-06-02
HUAZHONG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The preparation process adopted in these patents is more complicated and the cost is higher

Method used

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  • Method for preparing ferroferric oxide nano-piece through microwave method
  • Method for preparing ferroferric oxide nano-piece through microwave method
  • Method for preparing ferroferric oxide nano-piece through microwave method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Prepare ferric oxide nanosheets, the preparation steps are:

[0029] Step 1, adopt ferric chloride as raw material, configure iron salt solution with ethylene glycol, and the content of iron ion in the solution is 0.1mol / L;

[0030] Step 2, adding sodium acetate to the solution configured in step 1 to a concentration of 1mol / L, and adding polyoxyethylene-polyoxypropylene-polyoxyethylene to a concentration of 0.05mol / L;

[0031] Step 3, stir the mixture obtained in step 2 evenly, and set aside;

[0032] Step 4, put the solution obtained in step 3 into a microwave reactor, under the condition of stirring, open the microwave reactor, the microwave power is 500 watts, the temperature of the solution is controlled at 160 degrees Celsius during the reaction, and the microwave is irradiated for 60 minutes ;

[0033] Step 5. After the reaction process in step 4 is completed, the solid product is filtered, and the product is rinsed with distilled water or ethanol for 3 times; ...

Embodiment 2

[0036] Prepare iron ferric oxide nanosheets, the preparation steps are:

[0037] Step 1, adopt iron nitrate as raw material, configure iron salt solution with ethylene glycol, the content of iron ion in the solution is 0.3mol / L;

[0038] Step 2, adding sodium acetate to the solution configured in step 1 to a concentration of 2mol / L, and adding cetyltrimethylammonium bromide to a concentration of 0.06mol / L;

[0039] Step 3, stir the mixture obtained in step 2 evenly, and set aside;

[0040] Step 4, the solution obtained in step 3 is put into a microwave reactor, and under the condition of stirring, the microwave reactor is turned on, the microwave power is 500 watts, the temperature of the solution is controlled at 160 degrees Celsius during the reaction, and microwave irradiation is performed for 45 minutes;

[0041] Step 5. After the reaction process in step 4 is completed, the solid product is filtered, and the product is rinsed with distilled water or ethanol for 3 times; ...

Embodiment 3

[0044] Prepare ferric oxide nanosheets, the preparation steps are:

[0045] Step 1, adopt iron sulfate as raw material, configure iron salt solution with ethylene glycol, the content of iron ion in the solution is 0.6mol / L;

[0046] Step 2, adding sodium acetate to the solution configured in step 1 to a concentration of 4mol / L, and adding sodium succinic acid (ethylhexyl)sulfonate to a concentration of 0.08mol / L;

[0047] Step 3, stir the mixture obtained in step 2 evenly, and set aside;

[0048] Step 4, the solution obtained in step 3 is put into a microwave reactor, and under the condition of stirring, the microwave reactor is turned on, the microwave power is 500 watts, the temperature of the solution is controlled at 180 degrees Celsius during the reaction, and microwave irradiation is performed for 30 minutes;

[0049] Step 5. After the reaction process in step 4 is completed, the solid product is filtered, and the product is rinsed with distilled water or ethanol for 4 ...

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Abstract

The invention relates to a method for preparing ferroferric oxide nano-piece through a microwave method, which belongs to the field of preparation of nano-material through a wet chemical method. The method comprises the following steps of: preparing a ferric salt solution by using ethylene glycol by using a soluble trivalent ferric salt as a raw material , adding the sodium acetate and a surfactant in the ferric salt solution, evenly stirring, and irradiating by using microwave to generate ferroferric oxide, filtering and washing the product, drying the product at a constant temperature in air to obtain the ferroferric oxide nano-piece material. The ferroferric oxide nano-piece material synthesized by the method has a thickness of 100nm below as well as the length and width of 1-10microns. The invention has the advantages of high purity of the prepared ferroferric oxide nano-piece, simple synthetic line, short period of microwave reaction of only tens of minute and easy control of the whole process, meets the demands of practical production, and has god application prospect in the fields of catalysis, biological medicine, energy and environment and the like.

Description

technical field [0001] The invention relates to a preparation method of iron ferric oxide nanosheets, belonging to the field of nanomaterials. Background technique [0002] Ferric oxide (Fe 3 0 4 ) is a very important material, which is widely used as magnetic fluid and magnetic recording material due to its unique electrical and magnetic properties. In recent years, nanoscale Fe 3 o 4 The electrical and magnetic properties related to size and shape, as well as the compatibility with biological tissues, make it widely used in the fields of magnetic ink, electronic and biological sensitive materials, high-density magnetic recording media and biomedicine. People use various physical and chemical methods, such as solvothermal method, high temperature organic liquid phase reflux method, hydrothermal method, supercritical fluid technology, template-assisted electrodeposition technology, ultrasonic radiation solution method, pulsed laser deposition technology, microwave plasma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01G49/08B82B3/00
Inventor 艾智慧张礼知贾法龙
Owner HUAZHONG NORMAL UNIV
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