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Elemental characterization of CdSe/CdS QD architectures. Combined Cd (red), Se (green), and S (blue) elemental maps of (a) symmetrically shelled QDs and (b) QD655s show core/shell structures. Linescans of the elemental maps (white arrows) Se distribution relative to Cd and S in both (c) symmetrically shelled QDs and (d) QD655s.
