Fig. 3: Energy loss analysis of the OSC devices.

Semi-logarithmic plots of the normalized FTPS-EQE and electroluminescence (EL) spectra a PM6:L8-BO, b PM6:L8-BO:T9SBO-F, and c PM6:T9SBO-F. d EQE_EL, e time-resolved photoluminescence (TRPL), and f transient photovoltage characterizations of the devices. Source data are provided as a Source Data file.