Data for: Improving Performance of Cs-based Perovskite Light-Emitting Diodes by dual additives consisting of Polar Polymer and n-Type Small Molecule

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The effectiveness of dual additives on improving the film quality of CsPbBr3 and the performance of its derived LED was manifested by introducing perovskite nanocrystals into a hybrid matrix consisting of polymer (PEO) and small molecule (TPBi). It is revealed that the blended PEO enhances film quality and smoothness while the blended TPBi promotes the electron injection efficiency. This cooperative effect simultaneously improves the device reliability and rectifies the electron and hole injection imbalance, enabling a substantial increase in the luminance and current efficiency of the derived LEDs.

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