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
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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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