Preparation method of monodisperse ferrum-acid-nickel-zinc nano material
A technology of nickel-zinc ferrite and nanomaterials, which is applied in the direction of nanostructure manufacturing, nanotechnology, nanotechnology, etc., to achieve the effects of low production cost, simple process operation, and convenient industrial production
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Embodiment 1
[0020] Weigh 0.5mmol of nickel acetylacetonate, 0.5mmol of zinc acetylacetonate and 2mmol of iron acetylacetonate into a 250ml three-neck flask, then add 30mmol of octadecylamine and 64mmol of diphenyl ether; heat up to 110°C for one hour to remove the drug Then heat up to the boiling point of the solution and react for 8 hours. After the reaction, the solution is cooled to 60°C and transferred to a centrifuge tube. Add 30ml of ethanol to settle and centrifuge. The product is washed with ethanol three times, dried at 70°C for 12h, and ground to obtain Ni 0.5 Zn 0.5 Fe 2 o 4 Brown solid powder. figure 1 is its XRD pattern, figure 2 is its TEM image. It can be seen from the figure that the particle size distribution is 6-12nm.
Embodiment 2
[0022] Weigh 0.5mmol of nickel acetylacetonate, 0.5mmol of zinc acetylacetonate and 2mmol of iron acetylacetonate into a 250ml three-neck flask, then add 30mmol of octadecylamine and 128mmol of diphenyl ether; raise the temperature to 100°C for three hours, then raise the temperature React to the boiling point of the solution for 12 hours, transfer the solution to a centrifuge tube when the temperature is lowered to 60°C after the reaction, add 60ml of ethanol to settle, centrifuge, wash the product with ethanol three times, dry at 70°C for 12h, and grind to obtain brown Ni 0.5 Zn 0.5 Fe 2 o 4 solid powder.
Embodiment 3
[0024]Weigh 0.1mmol of nickel acetylacetonate, 0.9mmol of zinc acetylacetonate and 2mmol of iron acetylacetonate into a 250ml three-necked flask, then add 4mmol of octadecylamine and 160mmol of diphenyl ether; heat up to 110°C for one hour, then heat up to Reaction at the boiling point of the solution for 10 hours. After the reaction, the solution is cooled to 100°C and transferred to a centrifuge tube. Add 50ml of ethanol to settle and centrifuge. The product is washed with ethanol three times, dried at 50°C for 24 hours, and ground to obtain brown Ni. 0.1 Zn 0.9 Fe 2 o 4 solid powder.
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