A kind of double-layer structure cuprous oxide nano-microsphere and preparation method thereof
A technology of cuprous oxide and nano-microspheres, applied in the direction of copper oxide/copper hydroxide, nanotechnology, nanotechnology, etc., can solve the problems of large diameter and small specific surface area of cuprous oxide nanomaterials, and achieve regular surface morphology , Large specific surface area, simple process
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[0046] Another aspect of the present invention provides a method for preparing the double-layer structure nano-cuprous oxide of the first aspect of the present invention, comprising the following steps:
[0047] Step (1), dissolving the copper salt in water to obtain an aqueous copper salt solution; dissolving sodium oleate in ethanol to obtain an ethanol solution of sodium oleate;
[0048] Step (2), adding the aqueous copper salt solution and the ethanol solution of sodium oleate obtained in step (1) into a reaction vessel, stirring for 5-10 minutes, and then adding an aqueous solution of hydrazine hydrate dropwise to the reaction system;
[0049] Step (3), after the hydrazine hydrate aqueous solution is added dropwise, stirring and reacting at 20-30°C for 5-10 minutes;
[0050] Step (4), after the reaction, centrifuge the obtained reaction solution, remove the supernatant, add ethanol and perform ultrasonication, repeat 2-4 times; vacuum-dry the obtained precipitate at 30-35...
Embodiment 1
[0079] This embodiment provides a method for preparing cuprous oxide nanospheres with a double-layer structure.
[0080] Step (1), 2.5g copper acetate is dissolved in 50ml water, obtains copper acetate aqueous solution; 0.25g sodium oleate is dissolved in 50ml ethanol, obtains the ethanol solution of sodium oleate;
[0081] In step (2), add the aqueous copper acetate solution and the ethanol solution of sodium oleate obtained in step (1) into a three-necked flask and stir for 5 minutes; dilute 1ml of hydrazine hydrate solution with a mass fraction of 80% to 10ml and add it dropwise to the reaction system middle;
[0082] Step (3), after the aqueous solution of hydrazine hydrate is added dropwise, the reaction is stirred and reacted at 20°C for 10 minutes, and the stirring speed is 600rpm;
[0083] Step (4), after the reaction, centrifuge the obtained reaction solution, remove the supernatant, add 10ml of ethanol and sonicate for 10 minutes, repeat 3 times; vacuum dry the obta...
Embodiment 2
[0090] This embodiment provides a method for preparing cuprous oxide nanospheres with a double-layer structure.
[0091] Step (1), 1.0g copper acetate is dissolved in 50ml water, obtains copper acetate aqueous solution; 0.25g sodium oleate is dissolved in 50ml ethanol, obtains the ethanolic solution of sodium oleate;
[0092] In step (2), add the aqueous copper acetate solution and the ethanol solution of sodium oleate obtained in step (1) into a three-necked flask and stir for 5 minutes; dilute 1ml of hydrazine hydrate solution with a mass fraction of 80% to 10ml and add it dropwise to the reaction system middle;
[0093] Step (3), after the aqueous solution of hydrazine hydrate is added dropwise, the reaction is stirred and reacted at 20°C for 10 minutes, and the stirring speed is 600rpm;
[0094] Step (4), after the reaction, centrifuge the obtained reaction solution, remove the supernatant, add 10ml of ethanol and sonicate for 10 minutes, repeat 3 times; vacuum dry the ob...
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