Fig. 3: Energy loss analysis.

a Electroluminescence spectra of devices based on the pristine and blended films. b s-EQE and c EQE-EL of the blended devices. d Energy loss histogram, including ∆E1, ∆E2, and ∆E3 of blended devices.

a Electroluminescence spectra of devices based on the pristine and blended films. b s-EQE and c EQE-EL of the blended devices. d Energy loss histogram, including ∆E1, ∆E2, and ∆E3 of blended devices.