Figure 1.

Morphology and optical properties of CsPbCl3:Mn2+ (1–41 atom %) NCs. (a) TEM images of CsPbCl3:Mn2+ NCs with different Mn2+ concentrations (1–41 atom %, scale bar: 50 nm). (b) Emission spectra of CsPbCl3:Mn2+ NCs with different Mn2+ concentrations (1–41 atom %, λex = 355 nm, inset: sample under 365 nm excitation provided by a handheld UV lamp).