Fig. 4: PL characteristics of perovskites and the trap passivation. | Nature Communications

Fig. 4: PL characteristics of perovskites and the trap passivation.

From: Proton-transfer-induced 3D/2D hybrid perovskites suppress ion migration and reduce luminance overshoot

Fig. 4

a PL spectrum of pristine MAPbBr3 film (black), film with 2.4 mol% of ANI (red), and 2.4 mol% of BnA (green). b PL lifetime curves of pristine MAPbBr3 film (black), film with 2.4 mol% of ANI (red), and 2.4 mol% of BnA (green). c PL spectra of MAPbBr3 film with different amount of BnA and magnified PL spectra at low wavelength region (inset). d Normalized PL spectra of MAPbBr3 film with different amount of BnA.

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