Solvent thermal synthesizing method of lead fluoride hollow nano sphere
A synthesis method and technology of nanospheres, applied in the direction of lead halide, etc., to achieve the effect of safe operation, controllable size and shape
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Embodiment approach 1
[0015] Add 20.75mL cyclohexane and 1mL n-pentanol to an 80mL beaker, add 1g of cetyltrimethylammonium bromide under stirring, and stir until the solution is transparent (water and cetyltrimethylammonium bromide The molar ratio of ammonium is 5). Prepare two parts of the above-mentioned microemulsion, add 0.25mL0.5mol / L hydrogen fluoride and 0.5mol / L lead nitrate aqueous solution respectively, mix the two microemulsions together after stirring for 30min, continue stirring for 30min, transfer to 80mL reaction kettle, in 120 After aging at ℃ for 12 hours, it was naturally cooled to room temperature. The obtained white precipitate was washed with isopropanol and deionized water, and dried in a vacuum oven at 80℃ for 12 hours to obtain the final product.
Embodiment approach 2
[0017] The molar ratio of water and cetyltrimethylammonium bromide in Embodiment 1 is changed to 15, and other conditions remain unchanged.
Embodiment approach 3
[0019] The molar ratio of water and cetyltrimethylammonium bromide in Embodiment 1 is changed to 20, and other conditions remain unchanged.
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