Fig. 5: Photovoltaic performances of the optimized OSCs.
From: A rare case of brominated small molecule acceptors for high-efficiency organic solar cells

a Current density-voltage curves of PM6:CH20, PM6:CH21 and PM6:CH22-based OSCs; the inset shows a statistical analysis of device efficiency. b The EQE plots and integrated JSC curves. c Jph versus Veff curves of PM6:CH20, PM6:CH21 and PM6:CH22-based OSCs. d Histograms of the hole and electron mobility of blended films.