Fig. 5From: High-Performance Quasi-Two-Dimensional CsPbBr2.1Cl0.9:PEABr Perovskite Sky-Blue LEDs with an Interface Modification LayerAbsorbance spectra of the QTD CsPbBr2.1Cl0.9:PEABr films with varying proportions of PEABr (0%, 60%, 80%, and 100%)Back to article page