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Ultrasonic preparation method of nano metal oxide

A nano-metal and oxide technology, which is applied in chemical instruments and methods, nanotechnology, nanotechnology, etc., can solve the problems of inapplicability to large-scale commercial production and low product yield, and achieve low preparation cost, product purity and high yield. The effect of high efficiency and simple experimental raw materials

Pending Publication Date: 2021-12-17
NINGBO UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These preparation methods all need to be carried out at high temperature, and the yield of the prepared product is small, which is not suitable for large-scale commercial production and has great limitations.

Method used

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  • Ultrasonic preparation method of nano metal oxide
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  • Ultrasonic preparation method of nano metal oxide

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preparation example Construction

[0045] A method for ultrasonically preparing nanometer metal oxides, comprising: using ultrasonic waves to treat a mixture including simple metal substances and acid solutions.

[0046] The nano metal oxide prepared by the present invention refers to a metal oxide with at least one dimension in the range of nanometer size (nanosize refers to the length dimension of ≤100nm) in three-dimensional space, which can be zero-dimensional, one-dimensional or two-dimensional nanometer Material. Zero-dimensional nanomaterials refer to three-dimensional nanoscale materials, such as nanoparticles, etc.; one-dimensional nanomaterials refer to two-dimensional nanoscale materials, such as nanowires, nanorods, nanotubes, etc.; two-dimensional nanomaterials refer to One dimension is in the nanoscale range, such as nanosheets, nanofilms, etc.

[0047] Ultrasonic treatment, that is, placing the mixture including metal element and acid solution in an ultrasonic instrument for ultrasonic treatment...

Embodiment 1

[0061] Measure 15 mL of 0.5 mol / L dilute nitric acid solution into a glass vial, add 1 mmol (65.38 mg) nano-Zn powder into it, and place the glass vial in an ultrasonic two-dimensional material stripper (Scientz-CHF-5A, Xinzhi, China) for Ultrasonic treatment, the frequency of ultrasonic treatment is 40KHz, and the power is adjusted to 360W; Under the condition of stirring, ultrasonic treatment is performed for 2 hours; after ultrasonic treatment, it is naturally cooled to room temperature, filtered, and the obtained solution is preserved and recycled to reduce reagent consumption, and the obtained white powder is used Wash with 75v / v% ethanol solution for 3 times, and finally dry at 80°C for 12h to obtain ZnO nanosheet material. After weighing, the obtained ZnO nanosheets had a mass of 75.3 mg.

Embodiment 2

[0063] Measure 30L of 0.8mol / L HCl solution in a wide-mouthed glass bottle, add 20mmol (1307.6g) nano-Zn powder into it, and place the wide-mouthed glass bottle in an ultrasonic two-dimensional material stripper (Scientz-CHF-5A, Xinzhi, China) Ultrasonic treatment was carried out, the ultrasonic treatment frequency was 40KHz, and the power was adjusted to 720W; under stirring conditions, ultrasonic treatment was performed for 3.5h; after ultrasonic treatment, it was naturally cooled to room temperature, filtered, and the obtained solution was preserved and recycled to reduce reagent consumption and obtain white The powder was washed three times with 80v / v% ethanol solution, and finally dried at 75° C. for 12 hours to obtain ZnO nanosheet material. After weighing, the obtained ZnO nanosheets had a mass of 1494g.

[0064] figure 1 (a) is the X-ray diffraction pattern (XRD) of the ZnO nanosheet obtained in Example 2. The XRD spectrum shows that the ZnO nanosheets obtained by th...

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Abstract

The invention belongs to the technical field of nano metal oxide preparation, and relates to an ultrasonic preparation method of a nano metal oxide. The ultrasonic preparation method of the nano metal oxide comprises a step of treating a mixture comprising a metal simple substance and an acid solution by using ultrasonic waves. According to the invention, the preparation process and equipment requirements are simple, the material cost is low, experimental parameters are few, experimental conditions are mild, no heat source or pressure needs to be additionally applied, the nano-scale metal oxide of the kilogram level or above can be rapidly prepared at normal temperature and normal pressure, and the method is suitable for industrial large-scale production.

Description

technical field [0001] The invention belongs to the technical field of nanometer metal oxide preparation, and relates to an ultrasonic preparation method of nanometer metal oxide. Background technique [0002] Nanoscale metal oxides hold great promise in practical applications due to their unique physical and chemical properties, such as high-efficiency catalysts, batteries, semiconductor devices, supercapacitors, energy storage, and magnetic and optical devices. In the scientific research of nano-metal oxide materials, the synthesis of nano-metal oxides is extremely important, and the different synthesis methods have a great impact on the microstructure and properties of nano-metal oxides. [0003] Traditional synthesis methods of nanometer metal oxides include hydrothermal method, solvothermal method, polyol method, template method, chemical vapor deposition method and electrochemical synthesis method. However, these methods usually need to be completed in a high-temperat...

Claims

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Application Information

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IPC IPC(8): C01B13/32C01G1/02C01G9/02C01G41/02B82Y30/00B82Y40/00
CPCC01B13/322C01G1/02C01G9/02C01G41/02B82Y30/00B82Y40/00C01P2002/72C01P2004/03C01P2002/82C01P2004/04C01P2004/61C01P2002/85C01P2004/62C01P2004/64C01P2006/80C01P2002/10C01P2002/20
Inventor 杨为佑张冬冬余浩
Owner NINGBO UNIVERSITY OF TECHNOLOGY
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