A kind of preparation method of zinc oxide micro-nano material
A micro-nano, zinc oxide technology, applied in the direction of zinc oxide/zinc hydroxide, nanotechnology, etc., to achieve the effects of controllable morphology of ZnO micro-nano materials, mild reaction conditions, and simple operation
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Embodiment 1
[0036] (1)(1) ZnCl 2 Stir and react with ChCl in a constant temperature oil bath at 100°C for 1 hour at a molar ratio of 2:1, and obtain uniform, colorless and transparent ZnCl after cooling 2 / ChCl deep eutectic solvent;
[0037] (2) ZnCl prepared in step (1) 2 Add distilled water with a volume ratio of 2:1 to the deep eutectic solvent / ChCl deep eutectic solvent, stir evenly at room temperature to obtain a colorless transparent solution, and then adjust the pH value of the solution system to 8 with 25% ammonia water to obtain milky white solution;
[0038] (3) Transfer the milky white solution prepared in step (2) to a PTFE-lined hydrothermal synthesis reaction kettle, then place the reaction kettle in an oven at 120°C for 12 hours of hydrothermal reaction, and after the reaction, dissolve the reaction solution Cool and centrifuge to obtain a white solid, wash the white solid with ethanol and distilled water alternately for 3 times, wash with distilled water for the last t...
Embodiment 2
[0042] (1) ZnCl 2 Stir and react with ChCl in a constant temperature oil bath at 100°C for 1 hour at a molar ratio of 2:1, and obtain uniform, colorless and transparent ZnCl after cooling 2 / ChCl deep eutectic solvent;
[0043] (2) ZnCl prepared in step (1) 2 Add distilled water with a volume ratio of 2:1 to the deep eutectic solvent / ChCl deep eutectic solvent, stir evenly at room temperature to obtain a colorless transparent solution, and then adjust the pH value of the solution system to 9 with 25% ammonia water to obtain milky white solution;
[0044] (3) Transfer the milky white solution prepared in step (2) to a PTFE-lined hydrothermal synthesis reaction kettle, then place the reaction kettle in an oven at 140°C for 11 hours of hydrothermal reaction, and after the reaction, dissolve the reaction solution After cooling and centrifuging, a white solid was obtained, which was washed alternately with ethanol and distilled water for 5 times, and washed with distilled water ...
Embodiment 3
[0048] (1) ZnCl 2 Stir and react with ChCl in a constant temperature oil bath at 100°C for 1 hour at a molar ratio of 2:1, and obtain uniform, colorless and transparent ZnCl after cooling 2 / ChCl deep eutectic solvent;
[0049] (2) ZnCl prepared in step (1) 2 Add distilled water with a volume ratio of 1:1 to the deep eutectic solvent / ChCl deep eutectic solvent, stir evenly at room temperature to obtain a colorless transparent solution, and then adjust the pH value of the solution system to 10 with 25% ammonia water to obtain milky white solution;
[0050] (3) Transfer the milky white solution prepared in step (2) to a PTFE-lined hydrothermal synthesis reaction kettle, then place the reaction kettle in an oven at 160°C for 10 hours of hydrothermal reaction, and after the reaction, dissolve the reaction solution Cool and centrifuge to obtain a white solid, wash the white solid with ethanol and distilled water alternately for 6 times, and wash with distilled water for the last...
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