Method for preparing manganese dioxide one-dimensional nanometer material
A nanomaterial, manganese dioxide technology, applied in the field of preparation of one-dimensional manganese dioxide nanomaterials, can solve the problems of product purity and yield reduction, cumbersomeness, etc., and achieve the effect of easy operation, convenient control and high yield
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[0021] Example 1
[0022] Put 10 ml of pure water into a 50 ml beaker, dissolve 1.5 mmol of manganese chloride in water to form a clear solution, and then dissolve 3 mmol of sodium fluoride in it to obtain solution a. In addition, take a 50 ml beaker and pour 10 ml of pure water, and dissolve 1 mmol of potassium permanganate in the water to obtain solution b. Mix solution a and solution b for 30 minutes, then transfer to a 35 ml stainless steel autoclave containing a polytetrafluoroethylene liner, add pure water to 70% to 90% of the volume of the kettle, seal the kettle, and put it in React in a high temperature oven at 180°C for 24 hours. The obtained product was naturally cooled, washed with pure water and ethanol, centrifuged several times, and then placed in an oven at 60°C for 6 hours to dry to obtain α-MnO 2 One-dimensional nanomaterials. figure 1 It is the scanning electron micrograph of the nanowire prepared in this example.
Example Embodiment
[0023] Example 2
[0024] Put 10 ml of pure water into a 50 ml beaker, dissolve 1.5 mmol of manganese chloride in water to form a clear solution, and then dissolve 1 mmol of sodium fluoride in it to obtain solution a. In addition, take a 50 ml beaker and pour 10 ml of pure water, and dissolve 1 mmol of potassium permanganate in the water to obtain solution b. The solution a and solution b are mixed and stirred for 30 minutes, then transferred to a 35 ml stainless steel autoclave containing a polytetrafluoroethylene liner, and added pure water to 70% to 90% of the volume of the kettle. The kettle was sealed and placed in a high temperature oven at 180°C to react for 24 hours. The obtained product was naturally cooled, washed with pure water and ethanol, centrifuged several times, and dried in an oven at 60°C for 6 hours to obtain β-MnO 2 One-dimensional nanomaterials. figure 2 It is the scanning electron micrograph of the nanowire prepared in this example.
Example Embodiment
[0025] Example 3
[0026] Put 10 ml of pure water into a 50 ml beaker, dissolve 1.5 mmol of manganese chloride in water to form a clear solution, and then dissolve 1 mmol of sodium sulfate in it to obtain solution a. In addition, take a 50 ml beaker and pour 10 ml of pure water, and dissolve 1 mmol of potassium permanganate in the water to obtain solution b. The solution a and solution b are mixed and stirred for 30 minutes, then transferred to a 35 ml stainless steel autoclave containing a polytetrafluoroethylene liner, and added pure water to 70% to 90% of the volume of the kettle. The kettle was sealed and placed in a high temperature oven at 180°C to react for 24 hours. The obtained product was naturally cooled, washed with pure water and ethanol, centrifuged several times, and dried in an oven at 60°C for 6 hours to obtain β-MnO 2 One-dimensional nanomaterials. image 3 It is the scanning electron micrograph of the nanowire prepared in this example.
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