Figure 2

(a) J-V-R curves and (b) EQE of PLED incorporating the blend of F8BT with the NIRBDTE at 0.5% wt. (c) PL spectra (excited at 450 nm) of the solid films incorporating different NIRBDTE concentration in the host F8BT and the EL spectra of PLEDs incorporating these films as emissive layers.