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Light-emitting diodes

Photonic crystal efficiency boost

LEDs are receiving great interest as candidates for next-generation lighting because they promise to reduce energy consumption enormously. However, to be a feasible solution their quantum efficiency needs to improve. Now, it seems that the incorporation of photonic crystals may be an answer.

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Figure 1: Cross-sectional schematic of LED structures.

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Noda, S., Fujita, M. Photonic crystal efficiency boost. Nature Photon 3, 129–130 (2009). https://doi.org/10.1038/nphoton.2009.15

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