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Synthesis process of nano zinc oxide material

A technology of zinc oxide nanometer and synthesis method, which is applied in the field of zinc oxide nanometer material synthesis, can solve problems such as uneven morphology and agglomeration, and achieve the effects of uniform appearance, less demanding equipment requirements and simple production process.

Inactive Publication Date: 2005-09-28
SHANDONG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In recent years, in addition to one-dimensional ZnO nanomaterials such as nanowires, nanobelts, and nanorods, the preparation of other specific shapes such as tower-shaped, petal-shaped, disc-shaped, ring-shaped, dandelion-shaped, and rotor-shaped nano-ZnO has been prepared. It has been reported that in 2004, the Yang Deren research group of Zhejiang University used surfactant-assisted hydrothermal synthesis technology to prepare flower-shaped nano-zinc oxide, but the morphology was not uniform and there was agglomeration (Yang Deren et al J.Phys .Chem.B.2004, 108, 3955)

Method used

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  • Synthesis process of nano zinc oxide material
  • Synthesis process of nano zinc oxide material
  • Synthesis process of nano zinc oxide material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The potassium hydroxide that takes by weighing 0.005mol zinc nitrate and 0.05mol is placed in the beaker, forms transparent solution with stirring and dissolving with 15ml deionized water, then according to transparent solution: concentration is 20% soluble surfactant=100: 10 weight parts Add the sodium lauryl sulfate surfactant solution to the transparent solution, stir for 30 minutes, then move the above mixed solution into a closed reactor, react at 100°C for 24 hours, cool the closed reactor to room temperature, and then The resulting product was washed with deionized water and dried at 60 °C. The product was identified as hexagonal phase zinc oxide by X-ray powder diffraction; the morphology of the product was a chrysanthemum-shaped three-dimensional nanomaterial detected by SEM electron microscopy.

Embodiment 2

[0015] The lithium hydroxide that takes by weighing 0.005mol zinc acetate and 0.025mol is placed in the beaker, forms transparent solution with stirring and dissolving with 15ml deionized water, then according to transparent solution: concentration is 5% soluble surfactant=100: 3 weight parts Add cetyltrimethylammonium bromide surfactant solution to the transparent solution, stir for 20 minutes, then transfer the above mixed solution into a closed reactor, react at 180°C for 12 hours, and cool the closed reactor to room temperature, and then the resulting product was washed with ethanol and dried at 90°C. The product was identified as hexagonal phase zinc oxide by X-ray powder diffraction; the morphology of the product was a chrysanthemum-shaped three-dimensional nanomaterial detected by SEM electron microscopy.

Embodiment 3

[0017] The sodium hydroxide that takes by weighing 0.005mol zinc sulfate and 0.1mol is placed in beaker, forms transparent solution with 15ml deionized water stirring and dissolving, then according to transparent solution: concentration is 30% soluble surfactant=100: 20 weight parts Add di(ethyl-ethylhexyl)sodium sulfosuccinate surfactant solution to the transparent solution, stir for 40 minutes, then transfer the above mixed solution into a closed reactor, react at 220°C for 1 hour, and close the closed reactor. The reactor was cooled to room temperature, and then the resulting product was washed with deionized water, and the wash was dried at 50°C. The product was identified as hexagonal zinc oxide by X-ray powder diffraction; SEM electron microscopy detected that the product was a chrysanthemum-shaped three-dimensional nanomaterial

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Abstract

The present invention provides the synthesis process of nanometer zinc oxide material. The synthesis process includes the following steps: a. mixing zinc salt and strong alkali in the weight ratio of 1 to 5-20 to prepare transparent solution; b. adding surfactant solution in 5-30 % concentration into the transparent solution at room temperature and through stirring, with the weight ratio between the transparent solution and the surfactant solution being 100 to 3-20; c. heating the mixed solution in sealed reactor to react; and d. cooling the reaction product to room temperature, washing with deionized water or ethanol, and drying at 60-90 deg.c to obtain cosmos 3D nanometer zinc oxide material.

Description

technical field [0001] The invention belongs to the technical field of inorganic chemical industry, and relates to a preparation method of a nanometer material, in particular to a synthesis method of a zinc oxide nanometer material. Background technique [0002] Since the properties of nanomaterials depend on the specific size and shape of nanomaterials, the synthesis of nanostructures with controllable size and shape is the key to controlling their physical and chemical properties. Therefore, the preparation and characterization of nanomaterials with specific shapes and sizes has been receiving much attention. ZnO is an unusual material with excellent chemical properties and has a wide range of applications in optical devices, gas sensors, rubber additives, pigments, varistors, etc. (Wang Zhonglin et al Science 2001, 291, 1947). ZnO with some novel shapes has shown good optical properties and is expected to be used as photoelectric and laser emitting devices. In recent ye...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B82B3/00C01G9/02
Inventor 唐波葛介超禚林海石锡峰
Owner SHANDONG NORMAL UNIV
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