Fig. 7From: High-Performance Quasi-2D Perovskite Light-Emitting Diodes Via Poly(vinylpyrrolidone) TreatmentPerformance distribution of the quasi-2D PeLEDs. Maximum luminance of quasi-2D PeLED a without PVP as an additive and b with 3 mg/mL PVP, respectively. Maximum CE of quasi-2D PeLED c without PVP as an additive and d with 3 mg/mL PVP, respectivelyBack to article page