Fig. 3: Optical cavity coupled to CH3NH3PbBr3 perovskite layer. | Communications Physics

Fig. 3: Optical cavity coupled to CH3NH3PbBr3 perovskite layer.

From: The enhancement of excitonic emission crossing Saha equilibrium in trap passivated CH3NH3PbBr3 perovskite

Fig. 3

Photoluminescence (PL) spectra of CH3NH3PbBr3 perovskite out of the cavity (grey) and inside the cavity (green). Inset: Distributed Bragg Reflector (DBR)-based microcavity. The ultraviolet laser-assisted air passivation process is simplified by representing water molecules that passivate the trap centers in perovskite grains (orange/green cubes for bare/passivated CH3NH3PbBr3 grains).

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