Fig. 7From: High-Performance Quasi-Two-Dimensional CsPbBr2.1Cl0.9:PEABr Perovskite Sky-Blue LEDs with an Interface Modification Layer(a) Luminance, (b) current efficiency, and (c) external quantum efficiency of the QTD CsPbBr2.1Cl0.9:PEABr PeLEDs without different additives. (d) Luminance, (e) current efficiency, and (f) external quantum efficiency of the QTD CsPbBr2.1Cl0.9:PEABr PeLEDs with different additivesBack to article page