#photon-recycling

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#perovskite-leds #tandem-leds #optoelectronics #tandem-perovskite-leds #external-quantum-efficiency
fromNature
3 days ago

Highly efficient LED device built by stacking layers of light-emitting perovskite

Stacking light-generating layers in 'tandem' light-emitting diodes (LEDs) can enhance performance, but achieving efficient and stable tandem LEDs made with perovskite materials has remained a challenge.
Science
fromwww.nature.com
1 month ago
Science

High performance tandem perovskite LEDs through interlayer photon recycling

Efficient, stable tandem perovskite LEDs combining two solution-processed units achieve enhanced emissions via photon recycling, 3.2 V turn-on voltage, and 45.5% peak EQE.
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