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Development and scalable nanomanufacturing of high‐quality heavy metal‐free quantum dots (QDs) with high‐dimensional experimental design spaces still remain a challenge. In this work, a universal flow chemistry framework for accelerated fundamental and applied studies of heavy metal‐free QDs with multi‐stage chemistries is presented. By introducing flexible time‐ and temperature‐to‐distance transformation using modular fluidic blocks, an in‐flow synthetic route of InP QDs with the highest reported first excitonic absorption peak to valley ratio is unveiled  with a reaction time one order of magnitude faster than batch reactors. The flexible time‐ and temperature‐to‐distance transformation as an enabling factor for generalization of flow reactors toward the accelerated discovery, development, and nanomanufacturing of high‐quality emerging nanomaterials for next‐generation energy, display, and chemical technologies is discussed.

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Flow Reactors In article number 2201845, Shinae Jun, Milad Abolhasani, and co‐workers present a modular flow chemistry strategy for intensified multi‐stage manufacturing of metal‐free quantum dots (QDs). The plug‐and‐play flow chemistry platform enables one order of magnitude faster InP QD synthesis times than batch reactors by utilizing a tunable time‐ and temperature‐to‐distance transformation in flow.

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