An Easily Developed Difunctional Molecule Enabling Highly Efficient and Stable Light‐Emitting Diodes
Yanyu Deng,
Zhiguo Zhang,
Guanhua Ren
et al.
Abstract:The surface treatment for solution‐processed perovskite films using molecular passivation agents has been reported to be critical for improving the performance of perovskite light‐emitting diodes (PeLEDs). Generally, most studies emphasized the binding effect between passivation molecules and perovskite surface, while halide perovskites are dominated by multiple defects and need more comprehensive passivation, which is often neglected. Here, a molecule of 5‐ammonium valeric acid trifluoroacetate (5‐AVATFA) wit… Show more
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