Table 2 Simulation result of the light extraction coefficient (EC) and its enhancement compared with the planar counterpart for different pitches with aspect ratio of 0.4

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

Geometry

Extraction coefficient (EC)

EC Enhancement factor

Planar

0.1

1

Pitch 100 nm, diameter 40 nm (40 V AAM)

0

0

Pitch 500 nm, diameter 200 nm (200 V AAM)

0.052

0.52

Pitch 1000 nm, diameter 400 nm (400 V AAM)

0.736

7.36

Pitch 1500 nm, diameter 600 nm (600 V AAM)

0.269

2.69

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