Ultrasonic preparation method of blue-light inorganic bromine-lead-cesium perovskite nanoparticles
A nanoparticle, bromine lead cesium technology, applied in the field of perovskite luminescent nanoparticle preparation, can solve problems such as difficulty in mass synthesis, high temperature heating, etc., and achieve the effects of no high temperature heating, uniform size, and simple synthesis steps
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[0027] An embodiment of the present invention provides a method for ultrasonically preparing blue-light inorganic bromine-lead-cesium perovskite nanoparticles, including: S1, ultrasonically dissolving cesium acetate and lead acetate in compounds of oleic acid, oleylamine and 1-octadecene , to obtain a precursor solution; S2, adding benzoyl bromide to the precursor solution, and ultrasonically reacting; S3, quenching the reaction in an ice bath, adding ethyl acetate, and centrifuging to obtain bromine-lead-cesium perovskite nanoparticles.
[0028] The method prepares high-efficiency luminescent blue-light inorganic perovskite nanoparticles through ultrasonic synthesis, including: adding cesium acetate and lead acetate to ligands oleic acid and oleylamine, and non-coordinating solvent 1-octadecene; performing ultrasonic to make the solid powder completely Dissolve to form a precursor solution; after adding benzoyl bromide, perform ultrasonication; after ultrasonication, take out ...
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