Fig. 3: Light-emitting characteristics of PQLED with and without CuSCN layer.
From: Dual-function perovskite light-emitting/sensing devices for optical interactive display
a Energy band diagram of SD-PQLED. b EL spectra of devices. The illustration is an electroluminescent photograph of the device. c Corresponding CIE coordinates of the devices. d J–V–L characteristics of the devices. e EQE of the devices as a function of current density. f LE and PE of the devices as a function of current density. AFM topography images of g CuSCN, h PTAA and i CuSCN/PTAA films deposited onto ITO substrates
