Fig. 2: Device performance.
From: Lifetime over 10000 hours for organic solar cells with Ir/IrOx electron-transporting layer
a The device structure is based on Ir/IrOx nanoparticles. Molecular structures of PM6 (b) and Y6 (c). J-V characteristics of PM6:Y6 (d) and PM6:PC71BM (e) devices on different electron-transporting materials. The insert in e is the molecular structure of PC71BM. f The external quantum efficiency (EQE) curves of PM6:Y6 devices based on ZnO and Ir/IrOx.
