Fig. 10: Carriers’ distribution characteristics in Eu-2 sensitized devices and the corresponding PL and EL spectra.

a Carriers’ distribution within the EMLs of sensitized devices at different co-doped concentrations. b PL spectra of reference and 0.4 wt% co-doped films and EL spectra of the corresponding devices. Insert: Schematic representation of energy transfer processes within the co-doped EML. Reprinted with permission from [87]. Copyright {2015} American Chemical Society