Fig. 4: Characteristics of PMC thin film-based LEDs.
From: Perovskite-molecule composite thin films for efficient and stable light-emitting diodes
a Schematic illustration of the PMC thin film-based LEDs. b Current density-voltage-radiance curves of LEDs. c Normalized EL spectra of LEDs at 2.0 V driving voltage. d EQE-current density curves of the LEDs. e Histogram of peak EQEs of 110 LEDs based on the 1.0 DDS films. f Operational stability of PMC thin films-based LEDs (instet: FAPbI3-based LED) at a constant current density of 20 mA cm−2.
