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. 2020 Feb 14;11:891. doi: 10.1038/s41467-020-14747-6

Fig. 4. Characteristics of PMC thin film-based LEDs.

Fig. 4

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.