Preparation method of metallic rubidium nano sol
A technology of nano-sol and rubidium metal, which is applied in the direction of nanotechnology, can solve the problems of complex preparation equipment, cumbersome preparation process, product transfer, and transportation troubles, and achieve the effect of simple preparation equipment, simple preparation process and short overall process
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[0019] A method for preparing a metal rubidium nano-sol, which may specifically include: putting a metal rubidium block into an organic solvent in a container, and deoxygenating the organic solvent in the container, then filling the container with a protective gas, and In the environment protected by protective gas, heat the deoxygenated organic solvent to melt the metal rubidium into a liquid state in the organic solvent, then put the container into the ultrasonic pool, and in the environment protected by protective gas, use ultrasonic waves in the organic solvent The liquid rubidium is crushed and dispersed, the frequency of the ultrasonic wave is 20kHz to 30kHz, and the intensity is not less than 0.1mW / cm 2 , and the ultrasonic time is not less than 30s, so as to prepare metal rubidium nano-sol.
[0020] Wherein, the organic solvent can be an organic solvent that does not react with rubidium metal, such as toluene, benzene, xylene, liquid paraffin, kerosene, etc. The prote...
Embodiment 1
[0025] A kind of preparation method of metal rubidium nano-sol, adopts such as figure 1 The device shown is prepared, the first opening of Schlenk tube 1 is connected to nitrogen and controlled by valve A, and the second opening of Schlenk tube 1 is connected to a vacuum pump and controlled by valve B, which may specifically include the following steps:
[0026] Step 1. Put 0.05g rubidium metal block and 50mL toluene into Schlenk tube 1.
[0027] Step 2, sealing the Schlenk tube 1 and immersing it in liquid nitrogen for freezing, then vacuumizing the Schlenk tube 1 through the second opening of the Schlenk tube 1, melting the organic solvent in the Schlenk tube 1, and repeating The "freezing-vacuumizing-thawing" treatment was carried out three times to realize deoxygenation of the organic solvent in the Schlenk tube 1 . After the last "freeze-vacuum-thaw" treatment, the Schlenk tube 1 is filled with nitrogen gas through the first opening of the Schlenk tube 1, and the Schlenk...
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