Preparation method of head-to-head growing zinc oxide micron structure and product of zinc oxide micro structure
A zinc oxide micron, head-to-head technology, applied in the direction of zinc oxide/zinc hydroxide, etc., can solve the problems of complex additive synthesis process, difficult separation in the later stage, and pollution of the environment, so as to achieve a simple subsequent treatment process, low cost, and no environmental pollution. Effect
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Embodiment 1
[0031] 1.1 Take 5 mL of 0.3 M zinc sulfate solution, add 30 mL of ethanol, stir at room temperature, and then drop 1 mL of ammonia solution (4 M) into it to obtain a cloudy solution;
[0032] 1.2 Transfer the above turbid solution to an autoclave and react at 180 °C for 1 h;
[0033] 1.3 Filter, wash, and dry the obtained precipitate to obtain a dumbbell-shaped zinc oxide microstructure. The smallest particle: the length is about 4.0 μm, and the diameter of the widest part is about 2.8 μm; the largest particle: the length is about 7.0 μm, and the diameter of the widest part is about 4.0 μm.
Embodiment 2
[0035] 2.1 Take 11.67 mL of 0.17 M zinc acetate solution, add 23.33 mL of ethanol, stir at room temperature, and then drop 1 mL of ammonia solution (4 M) into it to obtain a cloudy solution;
[0036] 2.2 Transfer the above turbid solution to an autoclave and react at 150°C for 10 h;
[0037] 2.3 Filter, wash, and dry the resulting precipitate to obtain zinc oxide head-to-head hexagonal prisms and dumbbell-shaped microstructures, with a length of about 7.2-21.0 μm and a width of about 5.0-15.0 μm.
Embodiment 3
[0039] 3.1 Take 3.89 mL of 0.4 M zinc nitrate solution, add 31.11 mL of methanol, stir at room temperature, and then drop 1 mL of ammonia solution (4 M) into it to obtain a cloudy solution;
[0040] 3.2 Transfer the above turbid solution to an autoclave and react at 200°C for 20 h;
[0041] 3.3 Filter, wash, and dry the obtained precipitate to obtain a head-to-head pair of hexagonal prism-shaped zinc oxide microstructures. The length of the particles is about 4.0~13.0 μm, and the width is about 2.0~6.0 μm.
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