Fig. 1: Structural and morphological properties of InP-based QDs.

a Schematic diagram of InP/ZnSexS1−x/ZnS structure. b XRD patterns for InP/ZnSexS1−x QDs. c XPS spectra of Se 3d regions of InP/ZnSexS1−x QDs. d TEM images of InP/ZnSe0.7S0.3/ZnS QDs

a Schematic diagram of InP/ZnSexS1−x/ZnS structure. b XRD patterns for InP/ZnSexS1−x QDs. c XPS spectra of Se 3d regions of InP/ZnSexS1−x QDs. d TEM images of InP/ZnSe0.7S0.3/ZnS QDs