For the PLQY of core/shell QDs, there is an increasing trend from CdS#1 (with 0.5 mL of injected Cd/S precursors) to CdS#6 QDs (maximal PLQY of ≈17%), and further growth of thicker shells leads to the decrease of PLQY from CdS#7 to CdS#9 QDs.
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Optoelectronic Properties in Near-Infrared Colloidal Heterostructured Pyramidal "Giant" Core/Shell Quantum Dots.
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