Fig. 7: Energy loss analysis of the optimized OSCs and the thick-film device performance of PM6:CH22.
From: A rare case of brominated small molecule acceptors for high-efficiency organic solar cells
a A schematic diagram of Eloss-related parameters. b Statistical diagram of detailed Eloss of CH20, CH21 and CH22-based devices. c VOC×JSC vs FF of CH20, CH21 and CH22-based 15 independently measured OSCs. d A summary of the PCE for thick-film OSCs with ~500 nm. e Current density-voltage curves of PM6:CH22-based OSCs with different thicknesses (100 nm, 220 nm, 310 nm, 405 nm, and 505 nm). f The corresponding EQE spectra.
