Fig. 5: LED performance and operational stability. | Nature Communications

Fig. 5: LED performance and operational stability.

From: Edge stabilization in reduced-dimensional perovskites

Fig. 5: LED performance and operational stability.

a Cross-section focused ion beam (FIB) transmission electron microscope (TEM) image. b Energy band diagram based on literature and UPS measurements. c EQE versus current density and d luminance versus voltage characteristics of untreated controls and edge-stabilized perovskite LEDs. e Operational device stability of untreated controls and edge-stabilized perovskite LEDs at a starting luminance of 4000 cd m−2. f Device operational stability of the perovskite LED with MPPO at a starting luminance of 4000 cd m−2.

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