Synthesis and characterization of white light-emitting Dy3+-doped Gd2O3 nanophosphors

Structural and optical characterisation of silanised Dy-doped-Gd2O3 NPs

“…This doping value coincides with the nominal atomic percentage determined by EDS (see the ESI, † S3) and agrees with that reported in previous work for Dy@Gd 2 O 3 nanostructures. 52,53 Likewise, the intensity for this transition decreases at lower (0.5%) and higher (5%) concentrations. The above is explained as follows: on one side, as the Dy 3+ concentration decreases, the number of photons emitted from the state 4 F 9/2 drops, resulting in lower intensity.…”