Figure 2
From: Long-lived and Well-resolved Mn2+ Ion Emissions in CuInS-ZnS Quantum Dots

(a–b) Typical TEM images of the Mn2+-doped CIS-ZnS QDs under different magnifications. (c) Typical XRD patterns of CIS-ZnS QDs with (red) and without (black) Mn2+ dopants. (d) Typical EPR spectrum of the Mn2+-doped CIS-ZnS QDs by treatment with pyridine.