Fig. 1 | Nature Communications

Fig. 1

From: Efficient metal halide perovskite light-emitting diodes with significantly improved light extraction on nanophotonic substrates

Fig. 1

Device on nanophotonic substrate. a Device schematic. The materials from top to bottom are: Ca/Ag electrode, F8, CH3NH3PbBr3 (Br-Pero), PEDOT: PSS, ITO, and anodic alumina membrane (AAM). AAM channels are filled with TiO2. b SEM image of the barrier side of the free-standing AAM film with nanodomes structures. c Cross-sectional SEM image of a P500 AAM device. Scale bars in b and c are 1 μm

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