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Super-hydrophobic control crystal face semi-spherical zinc oxide micron material and preparation method thereof

A zinc oxide micron and hemispherical technology, applied in the direction of zinc oxide/zinc hydroxide, etc., to achieve a safe and controllable preparation process

Pending Publication Date: 2022-03-15
CHANGSHU INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no preparation method that can stably control the obtained ZnO micro-nanostructure to be hemispherical, with specific exposed crystal planes, and possess superhydrophobicity.

Method used

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  • Super-hydrophobic control crystal face semi-spherical zinc oxide micron material and preparation method thereof
  • Super-hydrophobic control crystal face semi-spherical zinc oxide micron material and preparation method thereof
  • Super-hydrophobic control crystal face semi-spherical zinc oxide micron material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] (1) Dissolve 0.128g of zinc acetate dihydrate in 64mL of absolute ethanol, and stir to form a clear solution A;

[0023] (2) 0.0013g of glutamic acid was dissolved in 16mL of distilled water to form a clear solution B;

[0024] (3) Mix the A and B solutions under stirring, and add the mixed solution into a 100mL hydrothermal kettle, seal it and heat it at 95°C for 24 hours. After cooling, the obtained product is centrifuged, washed with water and dried. The resulting product is hemispherical zinc oxide microparticles.

Embodiment 2

[0026] (1) Dissolve 0.268g of zinc acetate dihydrate in 67mL of absolute ethanol, and stir to form a clear solution A;

[0027] (2) 0.0018g of glutamic acid was dissolved in 13mL of absolute ethanol, and stirred to form a clear solution B;

[0028] (3) Mix the A and B solutions under stirring, and add the mixed solution into a 100mL hydrothermal kettle, seal it and heat it at 120°C for 12 hours. After cooling, the obtained product is centrifuged, washed with water and dried. The obtained product is hemispherical zinc oxide micron particles.

Embodiment 3

[0030] (1) Dissolve 0.268g of zinc acetate dihydrate in 67mL of absolute ethanol, and stir to form a clear solution A;

[0031] (2) 0.0018g of glutamic acid was dissolved in 13mL of absolute ethanol, and stirred to form a clear solution B;

[0032] (3) Mix the A and B solutions under stirring, and add the mixed solution into a 100mL hydrothermal kettle, seal it and heat it at 160°C for 12 hours. After cooling, the obtained product is centrifuged, washed with water and dried. The obtained product is hemispherical zinc oxide micro-particles, occasionally a small amount of zinc oxide micro-rods or its aggregate structure.

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Abstract

The invention discloses a preparation method of a super-hydrophobic control crystal face semi-spherical zinc oxide micron material. The preparation method comprises the following steps: S1, dissolving zinc acetate dihydrate in absolute ethyl alcohol to form a clear solution A; s2, dissolving glutamic acid in distilled water to form a solution B; and S3, mixing the solution A and the solution B under stirring, sealing and heating the mixed solution, carrying out heat preservation until the reaction is completed, cooling, centrifuging the obtained product, washing with water, and drying to obtain the super-hydrophobic control crystal face semi-spherical zinc oxide micron material. The zinc oxide micron material is in a hemisphere-like shape or a paper cup cake shape, the convex top surface of the zinc oxide micron material is mainly composed of a wurtzite type zinc oxide {0002} crystal face, the diameter of the bottom surface of the zinc oxide micron material is 4-15 [mu] m, and the zinc oxide micron material has super-hydrophobicity. The semi-spherical zinc oxide micron material can be stably prepared, the reaction process is safe and controllable, and absolute ethyl alcohol can be recycled.

Description

technical field [0001] The invention relates to a zinc oxide micron material and a preparation method thereof, in particular to a hemispherical zinc oxide micron material with superhydrophobic control crystal surface and a preparation method thereof. Background technique [0002] Zinc oxide micro and nano materials are widely used in photodegradation, photocatalysis, catalyst carrier and other fields, and their different exposed surfaces have different adsorption activities and acid and alkali resistance stability. Combined with the shape control of the material, completely different surface affinity and hydrophobicity can be obtained. Among them, hydrophobic materials can be used in self-cleaning surfaces, anti-pollution, water-oil separation and other fields. [0003] Micro-nanoparticles with hemispherical morphology are easy to align on the substrate due to their special morphology, which is of great significance for the construction of surface or layered structures whos...

Claims

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Application Information

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IPC IPC(8): C01G9/02
CPCC01G9/02C01P2004/61C01P2004/30C01P2006/90
Inventor 李玉红李悦沈小雨司马一统彭志军周西熙马玥如陆平杨刚
Owner CHANGSHU INSTITUTE OF TECHNOLOGY