Extended Data Fig. 6: Excitation-intensity-dependent PLQEs of FAPbI3-bottom and FAPbI3-top films.
From: High-performance tandem perovskite LEDs through interlayer photon recycling

They exhibit peak PLQEs of approximately 70%.
From: High-performance tandem perovskite LEDs through interlayer photon recycling

They exhibit peak PLQEs of approximately 70%.