Dumb-bell-shaped ZnO micrometre material and method for preparing same

A dumbbell-shaped, micron-structured technology, applied in the growth of polycrystalline materials, chemical instruments and methods, single crystal growth, etc., can solve problems such as not seeing, and achieve highly repeatable results

Inactive Publication Date: 2008-11-26
EAST CHINA NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the report of dumbbell-shaped ZnO micron materials has not been seen

Method used

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  • Dumb-bell-shaped ZnO micrometre material and method for preparing same
  • Dumb-bell-shaped ZnO micrometre material and method for preparing same
  • Dumb-bell-shaped ZnO micrometre material and method for preparing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] a) In a clean glass beaker, pour 20ml of deionized water and 1.5g of Zn(CH 3 COO) 2 2H 2 O dissolved in it;

[0025] b) Slowly add a certain amount of ammonia water to the glassware, stir constantly with a magnetic stirrer, and maintain the pH of the solution at 8.5;

[0026] c) Seal the glassware with a film, put it into an oven and heat it for 13 hours at a temperature of 55°C;

[0027] d) Remove the film and continue heating at a temperature of 32°C until the glassware is dried;

[0028] e) scrape off the white precipitate left on the bottom of the glass vessel, and take out the sample to obtain the dumbbell-shaped ZnO micron material.

Embodiment 2

[0030] a) In a clean glass beaker, pour 20ml of deionized water and 1.5g of Zn(CH 3 COO) 2 2H 2 O dissolved in it;

[0031] b) Slowly add a certain amount of ammonia water to the glassware, stir continuously with a magnetic stirrer, and maintain the pH of the solution at 8.6;

[0032] c) Seal the glassware with a film, put it into an oven and heat it for 12 hours at a temperature of 50°C;

[0033] d) Remove the film and continue heating at a temperature of 32°C until the glassware is dried;

[0034] e) scrape off the white precipitate left on the bottom of the glass vessel, and take out the sample to obtain the dumbbell-shaped ZnO micron material.

Embodiment 3

[0036] a) In a clean glass beaker, pour 20ml of deionized water and 1.5g of Zn(CH 3 COO) 2 2H 2 O dissolved in it;

[0037] b) Slowly add a certain amount of ammonia water to the glassware, stir continuously with a magnetic stirrer, and maintain the pH of the solution at 8.6;

[0038] c) Seal the glassware with a film, put it into an oven and heat it for 13 hours at a temperature of 53°C;

[0039] d) Remove the film and continue heating at a temperature of 31° C. until the glassware is dried;

[0040] e) scrape off the white precipitate left on the bottom of the glass vessel, and take out the sample to obtain the dumbbell-shaped ZnO micron material.

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Abstract

The invention discloses a dumbbell shaped ZnO micron material and a preparative technique thereof, which belongs to the technical field of semiconductor optoelectronic material and device. The dumbbell shaped ZnO micron material provided by the invention is characterized in that the material is compounded by agitating and evaporating zinc acetate and ammonia under a certain temperature; the size magnitude is at a micron level; the whole feature is in a shape of a dumbbell; the top is compounded by a series of thin rods and the top is provided with a plurality of holes. The method of the invention is capable of developing a great deal of dumbbell shaped ZnO micron material with the structure.

Description

technical field [0001] The invention mainly relates to a dumbbell-shaped ZnO micron material and a preparation method thereof, belonging to the technical field of semiconductor optoelectronic materials and devices. Background technique [0002] In recent years, due to the excellent optical, field emission and piezoelectric properties of ZnO structural materials, the research on them has attracted worldwide attention. As a wide bandgap semiconductor, ZnO structure material has been widely used in sensors, power devices, ultraviolet light-emitting diodes, and solar cells. With the unremitting efforts of international and domestic material scientists, it has been possible to use a variety of methods (such as molecular beam epitaxy, pulsed laser deposition, magnetron sputtering, sol-gel method, thermal evaporation method, metal organic chemical vapor deposition) A wide variety of ZnO structural materials have been prepared, including ZnO nanostructure materials with morphologic...

Claims

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Application Information

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IPC IPC(8): C30B29/16C30B29/60C30B7/10C01G9/02
Inventor 崔庆月郁可朱自强张宁黄勇
Owner EAST CHINA NORMAL UNIVERSITY
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