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Quantum dot (QD) light-emitting diodes (QLEDs) are considered one of the most promising devices for future full-colour displays due to their high colour purity with narrow emission bandwidth, high brightness, and solution processability. However, fundamental mechanisms, such as charge injection into QDs, exciton recombination, and operational stability, should be understood to realise the QLED displays. Here, we present the recent research progress in our group to unravel the mechanisms of charge carrier and exciton dynamics in QLEDs, and the device design and fabrication processes to achieve high performance QLEDs.

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Jeonghun Kwak, Seoul National University
Chemie HS III
Contact: Andreas Sindermann