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Perovskite LED lasers '1000x brighter than OLED'

Imec perovskite

Transparent perovskite light emitting diodes on sapphire substrate with scaled emission area for injection of ultrahigh current densities (image: Imec)

While perovskites can withstand very high current densities, laser operation with the emission of high-intensity coherent light has not yet been achieved

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