Synthesis method of copper-rare earth nano petal-shaped metal oxide
A synthesis method and petal-shaped technology, which is applied in the field of synthesis of copper-rare earth nano-petal-shaped metal oxides, can solve the problems of difficult control of the atomic ratio of metal oxides, high purity of product impurities, poor product uniformity, etc., and achieve saving Effects of energy consumption, narrow particle size distribution range, and low cost
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Embodiment 1
[0049] Embodiment 1 of the present invention: the synthetic method of copper-rare earth nanometer petal-shaped metal oxide, comprises the following steps: according to the molar ratio of 1:2, take cupric chloride and neodymium chloride hexahydrate to be dissolved in deionized water, at 70 Stir with a magnetic stirrer at ℃ for 10 minutes; add 3,5 dipicolinic acid to dissolve in water, pour the dissolved copper chloride and neodymium chloride hexahydrate solution into the 3,5 dipicolinic acid solution, and continue stirring for 10~ After 90 minutes, the solution was left to stand for 30-120 minutes to prepare an acidic precursor; triethylamine was added to the acidic precursor solution to make the pH of the solution = 7, and the solution was left to stand; if the solution did not separate, add 3,5 dipicolinic acid, repeat the operation of pouring the dissolved copper chloride and neodymium chloride hexahydrate solution into the 3,5 dipicolinic acid solution from the beginning to ...
Embodiment 2
[0051] Embodiment 2: the synthesis method of copper-rare earth nanometer petal-like metal oxide, comprises the following steps: take cupric chloride and samarium chloride according to the ratio that molar ratio is 1:1, be dissolved in the deionized water of 10 times of mass, After dissolving, add it to 2,6-dipicolinic acid, stir at room temperature for 30 minutes, and then let the solution stand for 30 minutes to obtain an acidic precursor; add ammonia water to the acidic precursor to dissolve so that the pH of the solution is 7, and let stand; If no stratification occurs in the solution, add 2,6-dipicolinic acid again, and repeat the operation from the beginning of stirring for 30 minutes at room temperature to the end of standing until the solution appears stratified (the upper layer is a colorless liquid, and the lower layer is a solid small particles); after the solution is layered, the solution is vacuumed with a water pump to filter and wash, and the precipitated powder i...
Embodiment 3
[0052] Embodiment 3: the synthetic method of copper-rare earth nanometer petal-like metal oxide, comprises the following steps: take samarium acetate and copper acetate according to the molar ratio of 1:2, be dissolved in the deionized water of 10 times of mass, and in heating type Stir on a stirrer at 50°C for 30 minutes; add 3,4 dipicolinic acid to dissolve in water, add the dissolved samarium acetate and copper acetate solution into the 3,4 dipicolinic acid solution, keep stirring for 30 minutes, and then let the solution stand After 60 minutes, the acidic precursor was prepared; after dissolving NaOH in water, add it to the acidic precursor solution to adjust the pH value of the solution, so that the pH of the solution = 7, and let it stand; if the solution does not appear to be stratified, add 3,4 pyridine again Dicarboxylic acid, repeat and continue to stir for 30min and start to stand still and finish this section of operation until the solution appears stratified (the u...
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