Method for preparing flower-shaped zinc oxide nano-rod clusters
A flower-shaped zinc oxide, nanorod technology, applied in the direction of zinc oxide/zinc hydroxide, etc., can solve problems such as unfavorable large-scale production, adverse environmental impact, harsh experimental conditions, etc., and achieves low cost, environmental friendliness, and short reaction time. Effect
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Embodiment 1
[0026] Weigh 1.7850g of zinc nitrate hexahydrate and dissolve it in 100mL of distilled water to obtain a zinc salt solution, add 2.400g of sodium hydroxide to the zinc salt solution, stir at room temperature for 0.5h, then heat to 95°C, and react for 5h. After the reaction is finished, the product will be cooled to room temperature naturally, and the product will be washed with distilled water until the pH value is 7, then washed with absolute ethanol for 3 times, and dried in a constant temperature drying oven at 60°C for 10 hours to obtain white zinc oxide powder, which is in the shape of a flower. ZnO nanorod clusters.
[0027] see figure 1 ,from figure 1 It can be seen that the prepared nano-zinc oxide is of wurtzite type with high purity and no impurity peak.
[0028] see figure 2 ,from figure 2 (a) It can be seen that the prepared ZnO nanorods self-assemble into a flower-like cluster, from figure 2 (b) It can be seen that the ZnO nanorods have a smooth surface, u...
Embodiment 2
[0030] Weigh 2.082g of zinc nitrate hexahydrate and dissolve in 100mL of distilled water to obtain a zinc salt solution, add 2.799g of sodium hydroxide to the zinc salt solution, mix and stir at room temperature for 0.8h, then heat to 90°C and react for 6h. After the reaction is finished, the product will be cooled to room temperature naturally, and the product will be washed with distilled water until the pH value is 7, then washed with absolute ethanol for 3 times, and dried in a constant temperature drying oven at 70°C for 11 hours to obtain white zinc oxide powder, which is flower-shaped ZnO nanorod clusters.
Embodiment 3
[0032] Weigh 2.380g of zinc nitrate hexahydrate and dissolve in 100mL of distilled water to obtain a zinc salt solution, add 3.199g of sodium hydroxide to the zinc salt solution, mix and stir at room temperature for 1h, then heat to 95°C and react for 6h. After the reaction is finished, wait for it to cool down to room temperature naturally, wash the product with distilled water until the pH value is 7, then wash it with absolute ethanol for 3 times, and dry it in a constant temperature drying oven at 70°C for 12 hours to obtain white zinc oxide powder, which is flower-shaped ZnO nanorod clusters.
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