Lattice Doping of Lanthanide Ions in Cs2AgInCl6 Nanocrystals Enabling Tunable Photoluminescence
Optical properties of Ln3+ ()-doped Cs2AgInCl6 NCs. (a) Absorption spectra and (b) corresponding plots of Dy3+-doped, Sm3+-doped, Tb3+-doped, and undoped Cs2AgInCl6 NCs. (c) PLE (monitored at 579 nm for Dy3+-doped NCs, at 605 nm for Sm3+-doped NCs, and at 549 nm for Dy3+-doped NCs) and PL spectra excited by 310 nm. The insets of (c) show the photographs of the corresponding doped samples under 310 nm UV irradiation. (d–f) PL decay spectra for different NCs doped with Dy3+, Sm3+, and Tb3+ ions.