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For the continuous production of quantum dots (QDs), continuous-flow microfluidic reaction systems have been recognized as an effective and alternative strategy to the conventional batch systems due to precise controllability of reaction conditions, including high heat and mass transfer, temperature control, high surface-to-volume ratio, efficient mixing, low reagent consumption, and continuous production.[1, 2] In addition, the microfluidic reaction system provides easy scale-up and reduces the reaction time, which is highly suitable for the large quantity production of monodisperse QDs for industrial applications in electronics and the life sciences.[3] Unfortunately, the most composition of previously synthesized QDs is mainly dedicated to Cd chalcogenide material, which is known to be a hazardous substance and to cause serious health problems and is therefore applied in limited applications.[4] In addition …