Research Progress in Preparation of Fluorescent Nanomaterials by Microfluidic Technique

Abstract：Fluorescent nanomaterials have been widely used in diverse fields like sensing，bio-imag• ing，ions detection，owing to their unique optical properties.Microfluidic is an effective technique that allows the precise control and manipulation of fluids in microscale dimension.In recent years，it has exhibited important practical values in organic synthesis，fluorescent materials preparation，cell detection，and drug screening.This work focuses on the microfluidic synthesis of fluorescent nanoma• terials，and reviews recent advances in this field.Firstly，according to the characteristic structure， different types of microfluidic reactors along with their working principles are elaborated，including chip-based microreactors，tubular microreactors，and centrifugal microreactors.Afterwards，repre• sentative examples of fluorescent nanomaterials are summarized，such as semiconductor nanoparticles， carbon dots，perovskite nanoparticles，rare earth nanomaterials，metal and metal oxide composites.Finally，the existed challenges and future development of this field are prospected.