| 简介 |
The present invention provides a process for continuously preparing rare earth doped fluorescent nanoparticles, their solution, and a system therefor. The process for continuously preparing a rare earth doped fluorescent nanoparticle solution provided in the present invention comprises the following steps of : mixing a cation source compound, an anion source compound, and at least one solvent for controlling the crystal growth of said rare earth doped fluorescent nanoparticles to form a mixture solution; and maintaining said mixture solution in a microreactor for a predetermined period of time at a predetermined temperature, so as to obtain said rare earth doped fluorescent nanoparticle solution, wherein said microreactor comprises a micromixing device and a micro heat exchanging device, with said micromixing device being for continuously mixing said mixture solution, and said micro heat exchanging device being for adjusting the temperature of said microreactor to a predetermined temperature. The rare earth doped fluorescent nanoparticles obtained by the present invention have a uniform narrow particle size, a high crystallinity, and a good reproducibility of the product quality. |
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